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611 lines
333 KiB
XML
611 lines
333 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<class-scheme publication-date="2023-02-01" scheme-type="cpc" publication-type="official">
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<classification-item breakdown-code="false" not-allocatable="true" level="5" additional-only="false" sort-key="H02K" definition-exists="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>DYNAMO-ELECTRIC MACHINES </text><reference><text>dynamo-electric relays <class-ref scheme="cpc">H01H53/00</class-ref>; conversion of DC or AC input power into surge output power </text><CPC-specific-text><text><class-ref scheme="cpc">H03K3/53</class-ref></text></CPC-specific-text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>This subclass <u>covers</u> the structural adaptation of dynamo-electric machines for the purpose of their control.</note-paragraph><note-paragraph>This subclass <u>does not cover</u> starting, regulating, electronically commutating, braking, or otherwise controlling motors, generators or dynamo-electric converters, in general, which is covered by subclass <class-ref scheme="cpc">H02P</class-ref>.</note-paragraph><note-paragraph>Attention is drawn to the Notes following the titles of class <class-ref scheme="cpc">B81</class-ref> and subclass <class-ref scheme="cpc">B81B</class-ref> relating to "microstructural devices" and "microstructural systems".</note-paragraph><note-paragraph>Group <class-ref scheme="cpc">H02K16/00</class-ref> takes precedence over groups <class-ref scheme="cpc">H02K17/00</class-ref> - <class-ref scheme="cpc">H02K53/00</class-ref>.<br/><CPC-specific-note>This Note corresponds to IPC Note (1) relating to <class-ref scheme="cpc">H02K17/00</class-ref> - <class-ref scheme="cpc">H02K53/00</class-ref>.</CPC-specific-note></note-paragraph><note-paragraph><CPC-specific-note>In this subclass, it is desirable to add the indexing codes of <class-ref scheme="cpc">H02K2201/00</class-ref>-<class-ref scheme="cpc">H02K2213/12</class-ref>.</CPC-specific-note></note-paragraph></note><note type="warning"><note-paragraph>In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="H02K1/00" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/00</classification-symbol>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K1/00" definition-exists="true" ipc-concordant="H02K1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K1/00</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Details of the magnetic circuit </text><reference><text>magnetic circuits for relays <class-ref scheme="cpc">H01H50/16</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K1/02" definition-exists="true" ipc-concordant="H02K1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the magnetic material</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K1/04" definition-exists="true" ipc-concordant="H02K1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K1/04</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>characterised by the material used for insulating the magnetic circuit or parts thereof</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K1/06" definition-exists="true" ipc-concordant="H02K1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K1/06</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>characterised by the shape, form or construction</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K1/08" definition-exists="true" ipc-concordant="H02K1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Salient poles</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K1/10" definition-exists="false" ipc-concordant="H02K1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Commutating poles</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K1/12" definition-exists="true" ipc-concordant="H02K1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Stationary parts of the magnetic circuit</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K1/14" definition-exists="true" ipc-concordant="H02K1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Stator cores with salient poles</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K1/141" definition-exists="true" ipc-concordant="H02K1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/141</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>consisting of C-shaped cores</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02K1/143" definition-exists="true" ipc-concordant="H02K1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/143</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the horse-shoe type</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K1/145" definition-exists="true" ipc-concordant="H02K1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having an annular coil, e.g. of the claw-pole type</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K1/146" definition-exists="true" ipc-concordant="H02K1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/146</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>consisting of a generally annular yoke with salient poles</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02K1/148" definition-exists="true" ipc-concordant="H02K1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/148</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sectional cores </text><reference><text><class-ref scheme="cpc">H02K1/141</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K1/16" definition-exists="true" ipc-concordant="H02K1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Stator cores with slots for windings</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K1/165" definition-exists="false" ipc-concordant="H02K1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Shape, form or location of the slots</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K1/17" definition-exists="true" ipc-concordant="H02K1/17" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/17</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Stator cores with permanent magnets</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K1/18" definition-exists="true" ipc-concordant="H02K1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K1/182" definition-exists="false" ipc-concordant="H02K1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/182</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to stators axially facing the rotor, i.e. with axial or conical air gap</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K1/185" definition-exists="false" ipc-concordant="H02K1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to outer stators</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K1/187" definition-exists="false" ipc-concordant="H02K1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/187</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to inner stators</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K1/20" definition-exists="false" ipc-concordant="H02K1/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with channels or ducts for flow of cooling medium</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K1/22" definition-exists="false" ipc-concordant="H02K1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K1/22</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Rotating parts of the magnetic circuit</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K1/223" definition-exists="true" ipc-concordant="H02K1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/223</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rotor cores with windings and permanent magnets </text><reference><text>for additional excitation in synchronous motors or generators <class-ref scheme="cpc">H02K21/042</class-ref>; in synchronous motors having additional short-circuited winding for starting as an asynchronous motor <class-ref scheme="cpc">H02K21/46</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K1/24" definition-exists="false" ipc-concordant="H02K1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>H02K1/24</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Rotor cores with salient poles </text><CPC-specific-text><text>; Variable reluctance rotors</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K1/243" definition-exists="true" ipc-concordant="H02K1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/243</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the claw-pole type</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K1/246" definition-exists="true" ipc-concordant="H02K1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/246</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Variable reluctance rotors</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K1/26" definition-exists="false" ipc-concordant="H02K1/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rotor cores with slots for windings</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K1/265" definition-exists="false" ipc-concordant="H02K1/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Shape, form or location of the slots</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K1/27" definition-exists="true" ipc-concordant="H02K1/27" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K1/27</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Rotor cores with permanent magnets</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K1/2706" definition-exists="false" ipc-concordant="H02K1/2706" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/2706</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Inner rotors</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02K1/2713" definition-exists="false" ipc-concordant="H02K1/2713" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/2713</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>the magnetisation axis of the magnets being axial, e.g. claw-pole type</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02K1/272" definition-exists="false" ipc-concordant="H02K1/272" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/272</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>the magnetisation axis of the magnets being perpendicular to the rotor axis</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02K1/2726" definition-exists="true" ipc-concordant="H02K1/2726" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/2726</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>the rotor consisting of a single magnet or two or more axially juxtaposed single magnets</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02K1/2733" definition-exists="true" ipc-concordant="H02K1/2733" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/2733</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Annular magnets</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02K1/274" definition-exists="false" ipc-concordant="H02K1/274" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/274</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>the rotor consisting of two or more circumferentially positioned magnets</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02K1/2746" definition-exists="true" ipc-concordant="H02K1/2746" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/2746</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>the rotor consisting of magnets arranged with the same polarity, e.g. consequent pole type</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02K1/2753" definition-exists="true" ipc-concordant="H02K1/2753" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/2753</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>the rotor consisting of magnets or groups of magnets arranged with alternating polarity</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H02K1/276" definition-exists="true" ipc-concordant="H02K1/276" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/276</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="16" additional-only="false" sort-key="H02K1/2766" definition-exists="true" ipc-concordant="H02K1/276" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/2766</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a flux concentration effect</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="17" additional-only="false" sort-key="H02K1/2773" definition-exists="true" ipc-concordant="H02K1/276" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/2773</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>consisting of tangentially magnetized radial magnets</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H02K1/278" definition-exists="true" ipc-concordant="H02K1/278" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/278</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Surface mounted magnets</text></title-part><title-part><text>Inset magnets</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H02K1/278</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">H02K1/2781</class-ref> and <class-ref scheme="cpc">H02K1/2783</class-ref>.<br/>Groups <class-ref scheme="cpc">H02K1/278</class-ref>, <class-ref scheme="cpc">H02K1/2781</class-ref> and <class-ref scheme="cpc">H02K1/2783</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="16" additional-only="false" sort-key="H02K1/2781" definition-exists="false" ipc-concordant="H02K1/2781" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/2781</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Magnets shaped to vary the mechanical air gap between the magnets and the stator</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H02K1/2781</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H02K1/278</class-ref>.<br/>Groups <class-ref scheme="cpc">H02K1/278</class-ref> and <class-ref scheme="cpc">H02K1/2781</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="16" additional-only="false" sort-key="H02K1/2783" definition-exists="false" ipc-concordant="H02K1/2783" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/2783</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>with magnets arranged in Halbach arrays</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H02K1/2783</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H02K1/278</class-ref>.<br/>Groups <class-ref scheme="cpc">H02K1/278</class-ref> and <class-ref scheme="cpc">H02K1/2783</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K1/2786" definition-exists="false" ipc-concordant="H02K1/2786" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/2786</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Outer rotors</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H02K1/2786</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">H02K1/2787</class-ref>, <class-ref scheme="cpc">H02K1/2788</class-ref>, <class-ref scheme="cpc">H02K1/2789</class-ref>, <class-ref scheme="cpc">H02K1/279</class-ref>, <class-ref scheme="cpc">H02K1/2791</class-ref>, <class-ref scheme="cpc">H02K1/27915</class-ref> and <class-ref scheme="cpc">H02K1/2792</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02K1/2787" definition-exists="false" ipc-concordant="H02K1/2787" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/2787</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>the magnetisation axis of the magnets being perpendicular to the rotor axis</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">H02K1/2787</class-ref>, <class-ref scheme="cpc">H02K1/2788</class-ref>, <class-ref scheme="cpc">H02K1/2789</class-ref>, <class-ref scheme="cpc">H02K1/279</class-ref>, <class-ref scheme="cpc">H02K1/2791</class-ref>, <class-ref scheme="cpc">H02K1/27915</class-ref> and <class-ref scheme="cpc">H02K1/2792</class-ref> are incomplete pending reclassification of documents from group <class-ref scheme="cpc">H02K1/2786</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02K1/2788" definition-exists="false" ipc-concordant="H02K1/2788" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/2788</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>the rotor consisting of a single magnet or two or more axially juxtaposed single magnets</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02K1/2789" definition-exists="false" ipc-concordant="H02K1/2789" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/2789</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>the rotor consisting of two or more circumferentially positioned magnets</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02K1/279" definition-exists="false" ipc-concordant="H02K1/279" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/279</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Magnets embedded in the magnetic core</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02K1/2791" definition-exists="false" ipc-concordant="H02K1/2791" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/2791</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Surface mounted magnets</text></title-part><title-part><text>Inset magnets</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H02K1/27915" definition-exists="false" ipc-concordant="H02K1/27915" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/27915</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Magnets shaped to vary the mechanical air gap between the magnets and the stator</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H02K1/2792" definition-exists="false" ipc-concordant="H02K1/2792" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/2792</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>with magnets arranged in Halbach arrays</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K1/2793" definition-exists="false" ipc-concordant="H02K1/2793" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/2793</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Rotors axially facing stators</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H02K1/2793</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">H02K1/2795</class-ref>, <class-ref scheme="cpc">H02K1/2796</class-ref> and <class-ref scheme="cpc">H02K1/2798</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02K1/2795" definition-exists="false" ipc-concordant="H02K1/2795" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/2795</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>the rotor consisting of two or more circumferentially positioned magnets</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">H02K1/2795</class-ref>, <class-ref scheme="cpc">H02K1/2796</class-ref> and <class-ref scheme="cpc">H02K1/2798</class-ref> are incomplete pending reclassification of documents from group <class-ref scheme="cpc">H02K1/2793</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02K1/2796" definition-exists="false" ipc-concordant="H02K1/2796" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/2796</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>where both axial sides of the rotor face a stator</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02K1/2798" definition-exists="false" ipc-concordant="H02K1/2798" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K1/2798</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>where both axial sides of the stator face a rotor</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K1/28" definition-exists="true" ipc-concordant="H02K1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K1/30" definition-exists="true" ipc-concordant="H02K1/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K1/30</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>using intermediate parts, e.g. spiders</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K1/32" definition-exists="true" ipc-concordant="H02K1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with channels or ducts for flow of cooling medium</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K1/325" definition-exists="true" ipc-concordant="H02K1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K1/325</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>between salient poles</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K1/34" definition-exists="false" ipc-concordant="H02K1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K1/34</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Reciprocating, oscillating or vibrating parts of the magnetic circuit</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K3/00" definition-exists="true" ipc-concordant="H02K3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K3/00</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Details of windings</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K3/02" definition-exists="true" ipc-concordant="H02K3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K3/02</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Windings characterised by the conductor material</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K3/04" definition-exists="false" ipc-concordant="H02K3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K3/04</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Windings characterised by the conductor shape, form or construction, e.g. with bar conductors</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K3/12" definition-exists="true" ipc-concordant="H02K3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K3/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>arranged in slots</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K3/14" definition-exists="true" ipc-concordant="H02K3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K3/14</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with transposed conductors, e.g. twisted conductors</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K3/16" definition-exists="true" ipc-concordant="H02K3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K3/16</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>for auxiliary purposes, e.g. damping or commutating</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K3/18" definition-exists="true" ipc-concordant="H02K3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K3/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Windings for salient poles</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K3/20" definition-exists="true" ipc-concordant="H02K3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K3/20</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>for auxiliary purposes, e.g. damping or commutating</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K3/22" definition-exists="false" ipc-concordant="H02K3/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K3/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>consisting of hollow conductors</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K3/24" definition-exists="true" ipc-concordant="H02K3/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K3/24</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with channels or ducts for cooling medium between the conductors </text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K3/26" definition-exists="true" ipc-concordant="H02K3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K3/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>consisting of printed conductors</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K3/28" definition-exists="true" ipc-concordant="H02K3/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K3/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Layout of windings or of connections between windings </text><reference><text>windings for pole-changing <class-ref scheme="cpc">H02K17/06</class-ref>, <class-ref scheme="cpc">H02K17/14</class-ref>, <class-ref scheme="cpc">H02K19/12</class-ref>, <class-ref scheme="cpc">H02K19/32</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K3/30" definition-exists="true" ipc-concordant="H02K3/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K3/30</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Windings characterised by the insulating material</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K3/32" definition-exists="true" ipc-concordant="H02K3/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K3/32</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Windings characterised by the shape, form or construction of the insulation</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K3/325" definition-exists="false" ipc-concordant="H02K3/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K3/325</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for windings on salient poles, such as claw-shaped poles</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K3/34" definition-exists="false" ipc-concordant="H02K3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K3/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>between conductors or between conductor and core, e.g. slot insulation</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K3/345" definition-exists="false" ipc-concordant="H02K3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K3/345</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>between conductor and core, e.g. slot insulation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K3/38" definition-exists="false" ipc-concordant="H02K3/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K3/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>around winding heads, equalising connectors, or connections thereto</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K3/40" definition-exists="false" ipc-concordant="H02K3/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K3/40</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>for high voltage, e.g. affording protection against corona discharges</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K3/42" definition-exists="false" ipc-concordant="H02K3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K3/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for preventing or reducing eddy-current losses in the winding heads, e.g. by shielding</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K3/44" definition-exists="false" ipc-concordant="H02K3/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K3/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Protection against moisture or chemical attack</text></title-part><title-part><text>Windings specially adapted for operation in liquid or gas</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K3/46" definition-exists="true" ipc-concordant="H02K3/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K3/46</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Fastening of windings on the stator or rotor structure</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K3/47" definition-exists="true" ipc-concordant="H02K3/47" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K3/47</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Air-gap windings, i.e. iron-free windings</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K3/48" definition-exists="false" ipc-concordant="H02K3/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K3/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in slots</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K3/487" definition-exists="true" ipc-concordant="H02K3/487" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K3/487</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Slot-closing devices</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K3/493" definition-exists="false" ipc-concordant="H02K3/493" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K3/493</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>magnetic</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K3/50" definition-exists="true" ipc-concordant="H02K3/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K3/50</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Fastening of winding heads, equalising connectors, or connections thereto</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K3/505" definition-exists="true" ipc-concordant="H02K3/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K3/505</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for large machine windings, e.g. bar windings </text><reference><text><class-ref scheme="cpc">H02K3/51</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K3/51" definition-exists="false" ipc-concordant="H02K3/51" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K3/51</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>applicable to rotors only</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K3/52" definition-exists="true" ipc-concordant="H02K3/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K3/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fastening salient pole windings or connections thereto</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K3/521" definition-exists="false" ipc-concordant="H02K3/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K3/521</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>applicable to stators only</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K3/522" definition-exists="true" ipc-concordant="H02K3/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K3/522</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for generally annular cores with salient poles</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K3/524" definition-exists="true" ipc-concordant="H02K3/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K3/524</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for U-shaped, E-shaped or similarly shaped cores</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K3/525" definition-exists="true" ipc-concordant="H02K3/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K3/525</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Annular coils, e.g. for cores of the claw-pole type</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K3/527" definition-exists="false" ipc-concordant="H02K3/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K3/527</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>applicable to rotors only</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K3/528" definition-exists="true" ipc-concordant="H02K3/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K3/528</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the claw-pole type</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K5/00" definition-exists="true" ipc-concordant="H02K5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K5/00</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Casings</text></title-part><title-part><text>Enclosures</text></title-part><title-part><text>Supports </text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K5/02" definition-exists="false" ipc-concordant="H02K5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Casings or enclosures characterised by the material thereof</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K5/04" definition-exists="true" ipc-concordant="H02K5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Casings or enclosures characterised by the shape, form or construction thereof</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K5/06" definition-exists="false" ipc-concordant="H02K5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cast metal casings</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K5/08" definition-exists="true" ipc-concordant="H02K5/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Insulating casings</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K5/10" definition-exists="true" ipc-concordant="H02K5/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K5/10</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>with arrangements for protection from ingress, e.g. water or fingers</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K5/12" definition-exists="true" ipc-concordant="H02K5/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>specially adapted for operating in liquid or gas </text><reference><text>combined with cooling arrangements <class-ref scheme="cpc">H02K9/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K5/124" definition-exists="true" ipc-concordant="H02K5/124" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K5/124</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Sealing of shafts</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K5/128" definition-exists="false" ipc-concordant="H02K5/128" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K5/128</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>using air-gap sleeves or air-gap discs</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K5/1282" definition-exists="false" ipc-concordant="H02K5/128" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/1282</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the partition wall in the air-gap being non cylindrical</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K5/1285" definition-exists="false" ipc-concordant="H02K5/128" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/1285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the submersible type</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K5/132" definition-exists="true" ipc-concordant="H02K5/132" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K5/132</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Submersible electric motors </text><reference><text><class-ref scheme="cpc">H02K5/128</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K5/136" definition-exists="false" ipc-concordant="H02K5/136" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/136</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>explosion-proof</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K5/14" definition-exists="true" ipc-concordant="H02K5/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for supporting or protecting brushes or brush holders</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K5/141" definition-exists="false" ipc-concordant="H02K5/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/141</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for cooperation with slip-rings</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K5/143" definition-exists="false" ipc-concordant="H02K5/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/143</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for cooperation with commutators</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K5/145" definition-exists="false" ipc-concordant="H02K5/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fixedly supported brushes or brush holders, e.g. leaf or leaf-mounted brushes</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K5/146" definition-exists="false" ipc-concordant="H02K5/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/146</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pivotally supported brushes or brush holders</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K5/148" definition-exists="false" ipc-concordant="H02K5/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/148</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Slidably supported brushes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K5/15" definition-exists="true" ipc-concordant="H02K5/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/15</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mounting arrangements for bearing-shields or end plates</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K5/16" definition-exists="true" ipc-concordant="H02K5/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K5/16</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields </text><reference><text>magnetic bearings <class-ref scheme="cpc">H02K7/09</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K5/161" definition-exists="false" ipc-concordant="H02K5/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/161</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>radially supporting the rotary shaft at both ends of the rotor </text><reference><text><class-ref scheme="cpc">H02K5/165</class-ref>, <class-ref scheme="cpc">H02K5/167</class-ref>, <class-ref scheme="cpc">H02K5/173</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K5/163" definition-exists="false" ipc-concordant="H02K5/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/163</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>radially supporting the rotary shaft at only one end of the rotor </text><reference><text><class-ref scheme="cpc">H02K5/165</class-ref>, <class-ref scheme="cpc">H02K5/167</class-ref>, <class-ref scheme="cpc">H02K5/173</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K5/165" definition-exists="false" ipc-concordant="H02K5/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>radially supporting the rotor around a fixed spindle; radially supporting the rotor directly </text><reference><text><class-ref scheme="cpc">H02K5/167</class-ref>, <class-ref scheme="cpc">H02K5/173</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K5/167" definition-exists="true" ipc-concordant="H02K5/167" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/167</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using sliding-contact or spherical cap bearings</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K5/1672" definition-exists="false" ipc-concordant="H02K5/167" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/1672</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>radially supporting the rotary shaft at both ends of the rotor </text><reference><text><class-ref scheme="cpc">H02K5/1677</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K5/1675" definition-exists="false" ipc-concordant="H02K5/167" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/1675</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>radially supporting the rotary shaft at only one end of the rotor </text><reference><text><class-ref scheme="cpc">H02K5/1677</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K5/1677" definition-exists="false" ipc-concordant="H02K5/167" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/1677</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>radially supporting the rotor around a fixed spindle; radially supporting the rotor directly</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K5/173" definition-exists="false" ipc-concordant="H02K5/173" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K5/173</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>using bearings with rolling contact, e.g. ball bearings</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K5/1732" definition-exists="false" ipc-concordant="H02K5/173" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/1732</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>radially supporting the rotary shaft at both ends of the rotor </text><reference><text><class-ref scheme="cpc">H02K5/1737</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K5/1735" definition-exists="false" ipc-concordant="H02K5/173" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/1735</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>radially supporting the rotary shaft at only one end of the rotor </text><reference><text><class-ref scheme="cpc">H02K5/1737</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K5/1737" definition-exists="false" ipc-concordant="H02K5/173" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/1737</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>radially supporting the rotor around a fixed spindle; radially supporting the rotor directly</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K5/18" definition-exists="false" ipc-concordant="H02K5/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with ribs or fins for improving heat transfer</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K5/20" definition-exists="true" ipc-concordant="H02K5/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K5/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with channels or ducts for flow of cooling medium</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H02K5/20</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">H02K5/203</class-ref> and <class-ref scheme="cpc">H02K5/207</class-ref>.<br/>Groups <class-ref scheme="cpc">H02K5/20</class-ref>, <class-ref scheme="cpc">H02K5/203</class-ref>, and <class-ref scheme="cpc">H02K5/207</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K5/203" definition-exists="false" ipc-concordant="H02K5/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K5/203</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>specially adapted for liquids, e.g. cooling jackets</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H02K5/203</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H02K5/20</class-ref>.<br/>Groups <class-ref scheme="cpc">H02K5/20</class-ref> and <class-ref scheme="cpc">H02K5/203</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K5/207" definition-exists="false" ipc-concordant="H02K5/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K5/207</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>with openings in the casing specially adapted for ambient air</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H02K5/207</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H02K5/20</class-ref>.<br/>Groups <class-ref scheme="cpc">H02K5/20</class-ref> and <class-ref scheme="cpc">H02K5/207</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K5/22" definition-exists="false" ipc-concordant="H02K5/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K5/22</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Auxiliary parts of casings not covered by groups <class-ref scheme="cpc">H02K5/06</class-ref>-<class-ref scheme="cpc">H02K5/20</class-ref>, e.g. shaped to form connection boxes or terminal boxes</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K5/225" definition-exists="true" ipc-concordant="H02K5/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K5/225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Terminal boxes or connection arrangements </text><reference><text>specially adapted for submersible motors <class-ref scheme="cpc">H02K5/132</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K5/24" definition-exists="true" ipc-concordant="H02K5/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K5/24</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>specially adapted for suppression or reduction of noise or vibrations</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K5/26" definition-exists="true" ipc-concordant="H02K5/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K5/26</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Means for adjusting casings relative to their supports</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K7/00" definition-exists="true" ipc-concordant="H02K7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K7/00</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K7/003" definition-exists="true" ipc-concordant="H02K7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Couplings; Details of shafts </text><reference><text>means for mounting rotors on shafts <class-ref scheme="cpc">H02K1/28</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K7/006" definition-exists="true" ipc-concordant="H02K7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Structural association of a motor or generator with the drive train of a motor vehicle</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K7/02" definition-exists="true" ipc-concordant="H02K7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K7/02</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Additional mass for increasing inertia, e.g. flywheels</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/025" definition-exists="true" ipc-concordant="H02K7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for power storage</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K7/04" definition-exists="true" ipc-concordant="H02K7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Balancing means</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K7/06" definition-exists="true" ipc-concordant="H02K7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K7/06</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Means for converting reciprocating motion into rotary motion or <u>vice versa</u></text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/061" definition-exists="true" ipc-concordant="H02K7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using rotary unbalanced masses </text><reference><text>for generating mechanical vibrations in general <class-ref scheme="cpc">B06B1/16</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K7/063" definition-exists="true" ipc-concordant="H02K7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>integrally combined with motor parts, e.g. motors with eccentric rotors</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/065" definition-exists="true" ipc-concordant="H02K7/065" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K7/065</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Electromechanical oscillators</text></title-part><title-part><text>Vibrating magnetic drives</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/07" definition-exists="false" ipc-concordant="H02K7/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K7/07</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>using pawls and ratchet wheels</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/075" definition-exists="false" ipc-concordant="H02K7/075" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K7/075</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>using crankshafts or eccentrics</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K7/08" definition-exists="true" ipc-concordant="H02K7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>H02K7/08</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>Structural association with bearings</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/081" definition-exists="true" ipc-concordant="H02K7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for worm gear drives </text><reference><text><class-ref scheme="cpc">H02K7/09</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/083" definition-exists="false" ipc-concordant="H02K7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/083</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>radially supporting the rotary shaft at both ends of the rotor </text><reference><text><class-ref scheme="cpc">H02K7/086</class-ref>, <class-ref scheme="cpc">H02K7/09</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/085" definition-exists="false" ipc-concordant="H02K7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>radially supporting the rotary shaft at only one end of the rotor </text><reference><text><class-ref scheme="cpc">H02K7/086</class-ref>, <class-ref scheme="cpc">H02K7/09</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/086" definition-exists="false" ipc-concordant="H02K7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>radially supporting the rotor around a fixed spindle; radially supporting the rotor directly </text><reference><text><class-ref scheme="cpc">H02K7/09</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K7/088" definition-exists="false" ipc-concordant="H02K7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/088</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>radially supporting the rotor directly</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/09" definition-exists="true" ipc-concordant="H02K7/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/09</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with magnetic bearings</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K7/10" definition-exists="true" ipc-concordant="H02K7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>H02K7/10</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Structural association with clutches, brakes, gears, pulleys or mechanical starters</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph><CPC-specific-note>Group <class-ref scheme="cpc">H02K7/12</class-ref> takes precedence over groups <class-ref scheme="cpc">H02K7/102</class-ref> - <class-ref scheme="cpc">H02K7/118</class-ref></CPC-specific-note></note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/1004" definition-exists="true" ipc-concordant="H02K7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/1004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with pulleys</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K7/1008" definition-exists="true" ipc-concordant="H02K7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/1008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>structurally associated with the machine rotor </text><reference><text><class-ref scheme="cpc">H02K7/1012</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K7/1012" definition-exists="true" ipc-concordant="H02K7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/1012</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Machine arranged inside the pulley</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K7/1016" definition-exists="true" ipc-concordant="H02K7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/1016</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Machine of the outer rotor type</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/102" definition-exists="true" ipc-concordant="H02K7/102" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with friction brakes</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K7/1021" definition-exists="true" ipc-concordant="H02K7/102" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/1021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Magnetically influenced friction brakes</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K7/1023" definition-exists="false" ipc-concordant="H02K7/102" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/1023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electromagnets</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02K7/1025" definition-exists="true" ipc-concordant="H02K7/102" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/1025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using axial electromagnets with generally annular air gap</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K7/1026" definition-exists="true" ipc-concordant="H02K7/102" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/1026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using stray fields</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02K7/1028" definition-exists="true" ipc-concordant="H02K7/102" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/1028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>axially attracting the brake armature in the frontal area of the magnetic core</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/104" definition-exists="true" ipc-concordant="H02K7/104" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/104</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with eddy-current brakes</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/106" definition-exists="true" ipc-concordant="H02K7/106" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with dynamo-electric brakes</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/108" definition-exists="true" ipc-concordant="H02K7/108" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with friction clutches</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K7/1085" definition-exists="false" ipc-concordant="H02K7/108" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/1085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Magnetically influenced friction clutches</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/11" definition-exists="true" ipc-concordant="H02K7/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with dynamo-electric clutches</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/112" definition-exists="true" ipc-concordant="H02K7/112" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K7/112</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with friction clutches in combination with brakes</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K7/1125" definition-exists="false" ipc-concordant="H02K7/112" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/1125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Magnetically influenced friction clutches and brakes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/114" definition-exists="true" ipc-concordant="H02K7/114" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K7/114</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with dynamo-electric clutches in combination with brakes</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/116" definition-exists="true" ipc-concordant="H02K7/116" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/116</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with gears</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K7/1163" definition-exists="false" ipc-concordant="H02K7/116" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/1163</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>where at least two gears have non-parallel axes without having orbital motion</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K7/1166" definition-exists="true" ipc-concordant="H02K7/116" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/1166</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising worm and worm-wheel </text><reference><text>structural association with bearings specially adapted for worm gear drives <class-ref scheme="cpc">H02K7/081</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/118" definition-exists="true" ipc-concordant="H02K7/118" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K7/118</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with starting devices</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K7/1185" definition-exists="true" ipc-concordant="H02K7/118" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/1185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a mechanical one-way direction control, i.e. with means for reversing the direction of rotation of the rotor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/12" definition-exists="true" ipc-concordant="H02K7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K7/12</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with auxiliary limited movement of stators, rotors or core parts, e.g. rotors axially movable for the purpose of clutching or braking</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K7/125" definition-exists="false" ipc-concordant="H02K7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>magnetically influenced</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K7/14" definition-exists="true" ipc-concordant="H02K7/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K7/14</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Structural association with mechanical loads, e.g. with hand-held machine tools or fans </text><reference><text>with fan or impeller for cooling the machine <class-ref scheme="cpc">H02K9/06</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/145" definition-exists="false" ipc-concordant="H02K7/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hand-held machine tool</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/16" definition-exists="true" ipc-concordant="H02K7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K7/16</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>for operation above the critical speed of vibration of the rotating parts</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K7/18" definition-exists="true" ipc-concordant="H02K7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K7/18</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Structural association of electric generators with mechanical driving motors, e.g. with turbines</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/1807" definition-exists="true" ipc-concordant="H02K7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/1807</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rotary generators </text><reference><text><class-ref scheme="cpc">H02K7/006</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K7/1815" definition-exists="true" ipc-concordant="H02K7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/1815</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>structurally associated with reciprocating piston engines </text><reference><text>general aspects of generating sets, e.g. housing, <class-ref scheme="cpc">F02B63/04</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K7/1823" definition-exists="true" ipc-concordant="H02K7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/1823</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>structurally associated with turbines or similar engines</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K7/183" definition-exists="true" ipc-concordant="H02K7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>H02K7/183</classification-symbol><class-title date-revised="2017-02-01"><title-part><CPC-specific-text><text>wherein the turbine is a wind turbine </text><reference><text>adaptation of a wind turbine to an electric generator <class-ref scheme="cpc">F03D9/25</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02K7/1838" definition-exists="false" ipc-concordant="H02K7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/1838</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Generators mounted in a nacelle or similar structure of a horizontal axis wind turbine</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K7/1846" definition-exists="true" ipc-concordant="H02K7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/1846</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>structurally associated with wheels or associated parts </text><reference><text>dynamos arranged in the wheel hub of cycles <class-ref scheme="cpc">B62J6/12</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K7/1853" definition-exists="true" ipc-concordant="H02K7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/1853</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>driven by intermittent forces</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K7/1861" definition-exists="true" ipc-concordant="H02K7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/1861</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>driven by animals or vehicles </text><reference><text><class-ref scheme="cpc">H02K7/1853</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/1869" definition-exists="true" ipc-concordant="H02K7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/1869</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Linear generators; sectional generators</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K7/1876" definition-exists="false" ipc-concordant="H02K7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/1876</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with reciprocating, linearly oscillating or vibrating parts</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K7/1884" definition-exists="true" ipc-concordant="H02K7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/1884</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>structurally associated with free piston engines</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K7/1892" definition-exists="false" ipc-concordant="H02K7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K7/1892</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Generators with parts oscillating or vibrating about an axis</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K7/20" definition-exists="false" ipc-concordant="H02K7/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K7/20</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Structural association with auxiliary dynamo-electric machines, e.g. with electric starter motors or exciters</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K9/00" definition-exists="true" ipc-concordant="H02K9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K9/00</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Arrangements for cooling or ventilating </text><reference><text>channels or ducts in parts of the magnetic circuit <class-ref scheme="cpc">H02K1/20</class-ref>, <class-ref scheme="cpc">H02K1/32</class-ref>; channels or ducts in or between conductors <class-ref scheme="cpc">H02K3/22</class-ref>, <class-ref scheme="cpc">H02K3/24</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K9/02" definition-exists="false" ipc-concordant="H02K9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K9/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by ambient air flowing through the machine</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K9/04" definition-exists="false" ipc-concordant="H02K9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K9/04</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>having means for generating a flow of cooling medium</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K9/06" definition-exists="true" ipc-concordant="H02K9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K9/06</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with fans or impellers driven by the machine shaft</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K9/08" definition-exists="true" ipc-concordant="H02K9/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K9/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by gaseous cooling medium circulating wholly within the machine casing </text><reference><text><class-ref scheme="cpc">H02K9/10</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K9/10" definition-exists="true" ipc-concordant="H02K9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K9/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K9/12" definition-exists="true" ipc-concordant="H02K9/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K9/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wherein the cooling medium circulates freely within the casing</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K9/14" definition-exists="true" ipc-concordant="H02K9/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K9/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K9/16" definition-exists="true" ipc-concordant="H02K9/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K9/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wherein the cooling medium circulates through ducts or tubes within the casing</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K9/18" definition-exists="true" ipc-concordant="H02K9/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K9/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wherein the external part of the closed circuit comprises a heat exchanger structurally associated with the machine casing</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K9/19" definition-exists="true" ipc-concordant="H02K9/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>H02K9/19</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H02K9/19</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">H02K9/197</class-ref>. <br/>Groups <class-ref scheme="cpc">H02K9/19</class-ref> and <class-ref scheme="cpc">H02K9/197</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K9/193" definition-exists="true" ipc-concordant="H02K9/193" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K9/193</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with provision for replenishing the cooling medium</text></title-part><title-part><text>with means for preventing leakage of the cooling medium</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K9/197" definition-exists="true" ipc-concordant="H02K9/197" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>H02K9/197</classification-symbol><class-title date-revised="2021-08-01"><title-part><text>in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H02K9/197</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H02K9/19</class-ref>.<br/>Groups <class-ref scheme="cpc">H02K9/19</class-ref> and <class-ref scheme="cpc">H02K9/197</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K9/20" definition-exists="true" ipc-concordant="H02K9/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K9/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wherein the cooling medium vaporises within the machine casing</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H02K9/20</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">H02K9/225</class-ref>.<br/>Groups <class-ref scheme="cpc">H02K9/20</class-ref> and <class-ref scheme="cpc">H02K9/225</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K9/22" definition-exists="true" ipc-concordant="H02K9/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K9/22</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H02K9/22</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">H02K9/223</class-ref>, <class-ref scheme="cpc">H02K9/225</class-ref>, and <class-ref scheme="cpc">H02K9/227</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K9/223" definition-exists="true" ipc-concordant="H02K9/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K9/223</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Heat bridges</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H02K9/223</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H02K9/22</class-ref>.<br/>Groups <class-ref scheme="cpc">H02K9/22</class-ref> and <class-ref scheme="cpc">H02K9/223</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K9/225" definition-exists="true" ipc-concordant="H02K9/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K9/225</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Heat pipes</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H02K9/225</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">H02K9/20</class-ref> and <class-ref scheme="cpc">H02K9/22</class-ref>.<br/>Groups <class-ref scheme="cpc">H02K9/20</class-ref>, <class-ref scheme="cpc">H02K9/22</class-ref>, and <class-ref scheme="cpc">H02K9/225</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K9/227" definition-exists="true" ipc-concordant="H02K9/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K9/227</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Heat sinks</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H02K9/227</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H02K9/22</class-ref>.<br/>Groups <class-ref scheme="cpc">H02K9/22</class-ref> and <class-ref scheme="cpc">H02K9/227</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K9/24" definition-exists="true" ipc-concordant="H02K9/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K9/24</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Protection against failure of cooling arrangements, e.g. due to loss of cooling medium or due to interruption of the circulation of cooling medium</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K9/26" definition-exists="false" ipc-concordant="H02K9/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K9/26</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Structural association of machines with devices for cleaning or drying cooling medium, e.g. with filters</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K9/28" definition-exists="true" ipc-concordant="H02K9/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K9/28</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Cooling of commutators, slip-rings or brushes e.g. by ventilating</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K11/00" definition-exists="true" ipc-concordant="H02K11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H02K11/00</classification-symbol><class-title date-revised="2016-01-01"><title-part><text>Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection </text><reference><text>casings, enclosures or supports <class-ref scheme="cpc">H02K5/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K11/0094" definition-exists="true" ipc-concordant="H02K11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K11/0094</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Structural association with other electrical or electronic devices</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K11/01" definition-exists="true" ipc-concordant="H02K11/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-02-01" status="published"><classification-symbol>H02K11/01</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>for shielding from electromagnetic fields </text><CPC-specific-text><text>, i.e. structural association with shields</text></CPC-specific-text><text> </text><reference><text>means for preventing or reducing eddy-current losses in the winding heads by shielding <class-ref scheme="cpc">H02K3/42</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K11/012" definition-exists="false" ipc-concordant="H02K11/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-02-01" status="published"><classification-symbol>H02K11/012</classification-symbol><class-title date-revised="2020-08-01"><title-part><CPC-specific-text><text>Shields associated with rotating parts, e.g. rotor cores or rotary shafts</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K11/014" definition-exists="false" ipc-concordant="H02K11/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-02-01" status="published"><classification-symbol>H02K11/014</classification-symbol><class-title date-revised="2020-08-01"><title-part><CPC-specific-text><text>Shields associated with stationary parts, e.g. stator cores</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K11/0141" definition-exists="false" ipc-concordant="H02K11/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-02-01" status="published"><classification-symbol>H02K11/0141</classification-symbol><class-title date-revised="2020-08-01"><title-part><CPC-specific-text><text>Shields associated with casings, enclosures or brackets</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K11/02" definition-exists="true" ipc-concordant="H02K11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H02K11/02</classification-symbol><class-title date-revised="2016-01-01"><title-part><text>for suppression of electromagnetic interference</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K11/026" definition-exists="false" ipc-concordant="H02K11/026" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>H02K11/026</classification-symbol><class-title date-revised="2016-01-01"><title-part><text>Suppressors associated with brushes, brush holders or their supports</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K11/028" definition-exists="true" ipc-concordant="H02K11/028" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>H02K11/028</classification-symbol><class-title date-revised="2016-01-01"><title-part><text>Suppressors associated with the rotor</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K11/04" definition-exists="false" ipc-concordant="H02K11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>H02K11/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for rectification</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K11/042" definition-exists="false" ipc-concordant="H02K11/042" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H02K11/042</classification-symbol><class-title date-revised="2016-01-01"><title-part><text>Rectifiers associated with rotating parts, e.g. rotor cores or rotary shafts</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K11/044" definition-exists="true" ipc-concordant="H02K11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="frozen"><classification-symbol>H02K11/044</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in motors </text><reference><text><class-ref scheme="cpc">H02K11/042</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H02K11/044</class-ref> is no longer used for the classification of documents as of <reclassification-date>2021-08-01</reclassification-date>. <br/>The content of this group is being reclassified into groups <class-ref scheme="cpc">H02K11/049</class-ref> and <class-ref scheme="cpc">H02K11/05</class-ref>.<br/>Groups <class-ref scheme="cpc">H02K11/044</class-ref>, <class-ref scheme="cpc">H02K11/049</class-ref> and <class-ref scheme="cpc">H02K11/05</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K11/046" definition-exists="true" ipc-concordant="H02K11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="frozen"><classification-symbol>H02K11/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in generators </text><reference><text><class-ref scheme="cpc">H02K11/042</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H02K11/046</class-ref> is no longer used for the classification of documents as of <reclassification-date>2021-08-01</reclassification-date>. <br/>The content of this group is being reclassified into groups <class-ref scheme="cpc">H02K11/049</class-ref> and <class-ref scheme="cpc">H02K11/05</class-ref>.<br/>Groups <class-ref scheme="cpc">H02K11/046</class-ref>, <class-ref scheme="cpc">H02K11/049</class-ref> and <class-ref scheme="cpc">H02K11/05</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K11/048" definition-exists="false" ipc-concordant="H02K11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="frozen"><classification-symbol>H02K11/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rectifiers combined with drive circuits in starter-generators</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H02K11/048</class-ref> is no longer used for the classification of documents as of <reclassification-date>2021-08-01</reclassification-date>. <br/>The content of this group is being reclassified into groups <class-ref scheme="cpc">H02K11/049</class-ref> and <class-ref scheme="cpc">H02K11/05</class-ref>.<br/>Groups <class-ref scheme="cpc">H02K11/048</class-ref>, <class-ref scheme="cpc">H02K11/049</class-ref> and <class-ref scheme="cpc">H02K11/05</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K11/049" definition-exists="false" ipc-concordant="H02K11/049" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>H02K11/049</classification-symbol><class-title><title-part><text>Rectifiers associated with stationary parts, e.g. stator cores</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">H02K11/049</class-ref> and <class-ref scheme="cpc">H02K11/05</class-ref> are incomplete pending reclassification of documents from groups <class-ref scheme="cpc">H02K11/044</class-ref>, <class-ref scheme="cpc">H02K11/046</class-ref> and <class-ref scheme="cpc">H02K11/048</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K11/05" definition-exists="false" ipc-concordant="H02K11/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>H02K11/05</classification-symbol><class-title><title-part><text>Rectifiers associated with casings, enclosures or brackets</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K11/20" definition-exists="true" ipc-concordant="H02K11/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H02K11/20</classification-symbol><class-title date-revised="2016-01-01"><title-part><text>for measuring, monitoring, testing, protecting or switching </text><reference><text>rectifiers <class-ref scheme="cpc">H02K11/04</class-ref>; power electronics <class-ref scheme="cpc">H02K11/33</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K11/21" definition-exists="true" ipc-concordant="H02K11/21" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H02K11/21</classification-symbol><class-title><title-part><text>Devices for sensing speed or position, or actuated thereby </text><reference><text>specially adapted for machines having non-mechanical commutating devices <class-ref scheme="cpc">H02K29/06</class-ref>, <class-ref scheme="cpc">H02K29/14</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K11/215" definition-exists="true" ipc-concordant="H02K11/215" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H02K11/215</classification-symbol><class-title><title-part><text>Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K11/22" definition-exists="false" ipc-concordant="H02K11/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H02K11/22</classification-symbol><class-title><title-part><text>Optical devices</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K11/225" definition-exists="true" ipc-concordant="H02K11/225" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H02K11/225</classification-symbol><class-title><title-part><text>Detecting coils</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K11/23" definition-exists="false" ipc-concordant="H02K11/23" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H02K11/23</classification-symbol><class-title><title-part><text>Mechanically-actuated centrifugal switches</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K11/24" definition-exists="true" ipc-concordant="H02K11/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H02K11/24</classification-symbol><class-title><title-part><text>Devices for sensing torque, or actuated thereby </text><reference><text><class-ref scheme="cpc">H02K11/27</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K11/25" definition-exists="true" ipc-concordant="H02K11/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H02K11/25</classification-symbol><class-title><title-part><text>Devices for sensing temperature, or actuated thereby</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K11/26" definition-exists="false" ipc-concordant="H02K11/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H02K11/26</classification-symbol><class-title><title-part><text>Devices for sensing voltage, or actuated thereby, e.g. overvoltage protection devices</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K11/27" definition-exists="true" ipc-concordant="H02K11/27" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H02K11/27</classification-symbol><class-title><title-part><text>Devices for sensing current, or actuated thereby </text><reference><text>overcurrent protection responsive to temperature of the machines or parts thereof, e.g. windings, <class-ref scheme="cpc">H02K11/25</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K11/28" definition-exists="false" ipc-concordant="H02K11/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H02K11/28</classification-symbol><class-title><title-part><text>Manual switches</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K11/30" definition-exists="true" ipc-concordant="H02K11/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H02K11/30</classification-symbol><class-title><title-part><text>Structural association with control circuits or drive circuits</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K11/33" definition-exists="true" ipc-concordant="H02K11/33" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H02K11/33</classification-symbol><class-title><title-part><text>Drive circuits, e.g. power electronics </text><reference><text><class-ref scheme="cpc">H02K11/38</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K11/35" definition-exists="true" ipc-concordant="H02K11/35" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H02K11/35</classification-symbol><class-title><title-part><text>Devices for recording or transmitting machine parameters, e.g. memory chips or radio transmitters for diagnosis</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K11/38" definition-exists="true" ipc-concordant="H02K11/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H02K11/38</classification-symbol><class-title><title-part><text>Control circuits or drive circuits associated with geared commutator motors of the worm-and-wheel type</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K11/40" definition-exists="true" ipc-concordant="H02K11/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-01-01" status="published"><classification-symbol>H02K11/40</classification-symbol><class-title><title-part><text>Structural association with grounding devices</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K13/00" definition-exists="true" ipc-concordant="H02K13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K13/00</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings </text><reference><text>supporting or protecting brushes or brush holders in motor casings or enclosures <class-ref scheme="cpc">H02K5/14</class-ref></text></reference></title-part><title-part><text>Disposition of current collectors in motors or generators</text></title-part><title-part><text>Arrangements for improving commutation </text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K13/003" definition-exists="false" ipc-concordant="H02K13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K13/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Structural associations of slip-rings</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K13/006" definition-exists="false" ipc-concordant="H02K13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K13/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Structural associations of commutators</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K13/02" definition-exists="true" ipc-concordant="H02K13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K13/02</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Connections between slip-rings and windings</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K13/04" definition-exists="true" ipc-concordant="H02K13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K13/04</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Connections between commutator segments and windings</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K13/06" definition-exists="false" ipc-concordant="H02K13/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K13/06</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Resistive connections, e.g. by high-resistance chokes or by transistors</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K13/08" definition-exists="false" ipc-concordant="H02K13/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K13/08</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Segments formed by extensions of the winding</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K13/10" definition-exists="true" ipc-concordant="H02K13/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K13/10</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Arrangements of brushes or commutators specially adapted for improving commutation</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K13/105" definition-exists="true" ipc-concordant="H02K13/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K13/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Spark suppressors associated with the commutator</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K13/12" definition-exists="false" ipc-concordant="H02K13/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K13/12</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Arrangements for producing an axial reciprocation of the rotor and its associated current collector part, e.g. for polishing commutator surfaces</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K13/14" definition-exists="true" ipc-concordant="H02K13/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K13/14</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Circuit arrangements for improvement of commutation, e.g. by use of unidirectionally conductive elements</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K15/00" definition-exists="true" ipc-concordant="H02K15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K15/00</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines </text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K15/0006" definition-exists="true" ipc-concordant="H02K15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/0006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Disassembling, repairing or modifying dynamo-electric machines </text><reference><text>repairing of cooling fluid boxes <class-ref scheme="cpc">H02K15/0093</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K15/0012" definition-exists="true" ipc-concordant="H02K15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/0012</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manufacturing cage rotors</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K15/0018" definition-exists="false" ipc-concordant="H02K15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/0018</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Applying slot closure means in the core; Manufacture of slot closure means</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K15/0025" definition-exists="true" ipc-concordant="H02K15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/0025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Shaping or compacting conductors or winding heads after the installation of the winding in the core or machine </text><reference><text>methods or apparatus for simultaneously twisting a plurality of hairpins prior to mounting <class-ref scheme="cpc">H02K15/0428</class-ref></text></reference><text>; Applying fastening means on winding heads</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K15/0031" definition-exists="true" ipc-concordant="H02K15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/0031</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Shaping or compacting conductors in slots or around salient poles </text><reference><text><class-ref scheme="cpc">H02K15/005</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K15/0037" definition-exists="true" ipc-concordant="H02K15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/0037</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Shaping or compacting winding heads </text><reference><text><class-ref scheme="cpc">H02K15/005</class-ref>, <class-ref scheme="cpc">H02K15/0087</class-ref> and <class-ref scheme="cpc">H02K15/0428</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K15/0043" definition-exists="true" ipc-concordant="H02K15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/0043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Applying fastening means on winding headS </text><reference><text>fastening by applying resin, glue, varnish and similar means <class-ref scheme="cpc">H02K15/12</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K15/005" definition-exists="false" ipc-concordant="H02K15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by means of electrodynamic forces</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K15/0056" definition-exists="true" ipc-concordant="H02K15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>H02K15/0056</classification-symbol><class-title date-revised="2020-08-01"><title-part><CPC-specific-text><text>Manufacturing winding connections</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K15/0062" definition-exists="true" ipc-concordant="H02K15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/0062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manufacturing the terminal arrangement <u>per se</u>; Connecting the terminals to an external circuit</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K15/0068" definition-exists="true" ipc-concordant="H02K15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/0068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Connecting winding sections; Forming leads; Connecting leads to terminals</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K15/0081" definition-exists="true" ipc-concordant="H02K15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/0081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for form-wound windings</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K15/0087" definition-exists="false" ipc-concordant="H02K15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/0087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the method or apparatus for simultaneously twisting a plurality of hairpins open ends after insertion into the machine </text><reference><text>for simultaneously twisting a plurality of hairpins prior to mounting into the machine <class-ref scheme="cpc">H02K15/0428</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K15/0093" definition-exists="false" ipc-concordant="H02K15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/0093</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manufacturing or repairing cooling fluid boxes, i.e. terminals of fluid cooled windings ensuring both electrical and fluid connection</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K15/02" definition-exists="false" ipc-concordant="H02K15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of stator or rotor bodies</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K15/022" definition-exists="false" ipc-concordant="H02K15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with salient poles or claw-shaped poles</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K15/024" definition-exists="false" ipc-concordant="H02K15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with slots</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K15/026" definition-exists="true" ipc-concordant="H02K15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Wound cores</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K15/028" definition-exists="false" ipc-concordant="H02K15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for fastening to casing or support, respectively to shaft or hub</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K15/03" definition-exists="true" ipc-concordant="H02K15/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having permanent magnets</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K15/04" definition-exists="true" ipc-concordant="H02K15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K15/04</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>of windings, prior to mounting into machines </text><reference><text>insulating windings <class-ref scheme="cpc">H02K15/10</class-ref>, <class-ref scheme="cpc">H02K15/12</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K15/0407" definition-exists="false" ipc-concordant="H02K15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/0407</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Windings manufactured by etching, printing or stamping the complete coil</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K15/0414" definition-exists="false" ipc-concordant="H02K15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/0414</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Windings consisting of separate elements, e.g. bars, hairpins, segments, half coils</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K15/0421" definition-exists="false" ipc-concordant="H02K15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/0421</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>consisting of single conductors, e.g. hairpins</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K15/0428" definition-exists="false" ipc-concordant="H02K15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/0428</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the method or apparatus for simultaneously twisting a plurality of hairpins </text><reference><text>for simultaneously twisting a plurality of hairpins open ends after insertion into the machine <class-ref scheme="cpc">H02K15/0087</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K15/0435" definition-exists="false" ipc-concordant="H02K15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/0435</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Wound windings</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K15/0442" definition-exists="true" ipc-concordant="H02K15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/0442</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Loop windings </text><reference><text>manufacturing of windings consisting of overlapped loops <class-ref scheme="cpc">H02K15/0464</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K15/045" definition-exists="false" ipc-concordant="H02K15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Form wound coils</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K15/0464" definition-exists="true" ipc-concordant="H02K15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/0464</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Lap windings </text><reference><text>when on diagonally wound hollow coils <class-ref scheme="cpc">H02K15/0492</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K15/0471" definition-exists="false" ipc-concordant="H02K15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/0471</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>manufactured by flattening a spiral winding</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K15/0478" definition-exists="true" ipc-concordant="H02K15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/0478</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Wave windings, undulated windings </text><reference><text>when on diagonally wound hollow coils <class-ref scheme="cpc">H02K15/0492</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K15/0485" definition-exists="false" ipc-concordant="H02K15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/0485</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>manufactured by shaping an annular winding</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K15/0492" definition-exists="false" ipc-concordant="H02K15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/0492</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Diagonally wound hollow coils</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K15/06" definition-exists="true" ipc-concordant="H02K15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K15/06</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Embedding prefabricated windings in machines</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K15/061" definition-exists="false" ipc-concordant="H02K15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Air-gap windings</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K15/062" definition-exists="false" ipc-concordant="H02K15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Windings in slots; salient pole windings</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K15/063" definition-exists="true" ipc-concordant="H02K15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Windings for large electric machines, e.g. bar windings </text><reference><text>windings consisting of cables <class-ref scheme="cpc">H02K15/065</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K15/064" definition-exists="true" ipc-concordant="H02K15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/064</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Windings consisting of separate segments, e.g. hairpin windings </text><reference><text><class-ref scheme="cpc">H02K15/063</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K15/065" definition-exists="true" ipc-concordant="H02K15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Windings consisting of complete sections, e.g. coils, waves </text><reference><text>windings for large electric machines other than those consisting of cables <class-ref scheme="cpc">H02K15/063</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K15/066" definition-exists="true" ipc-concordant="H02K15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>inserted perpendicularly to the axis of the slots or inter-polar channels</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K15/067" definition-exists="true" ipc-concordant="H02K15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/067</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>inserted in parallel to the axis of the slots or inter-polar channels</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02K15/068" definition-exists="true" ipc-concordant="H02K15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Strippers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K15/08" definition-exists="false" ipc-concordant="H02K15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K15/08</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Forming windings by laying conductors into or around core parts</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K15/085" definition-exists="false" ipc-concordant="H02K15/085" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by laying conductors into slotted stators</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K15/09" definition-exists="false" ipc-concordant="H02K15/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/09</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by laying conductors into slotted rotors</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K15/095" definition-exists="false" ipc-concordant="H02K15/095" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/095</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by laying conductors around salient poles</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K15/10" definition-exists="false" ipc-concordant="H02K15/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K15/10</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Applying solid insulation to windings, stators or rotors</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K15/105" definition-exists="false" ipc-concordant="H02K15/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to the windings</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K15/12" definition-exists="true" ipc-concordant="H02K15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K15/12</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Impregnating, heating or drying of windings, stators, rotors or machines</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K15/125" definition-exists="false" ipc-concordant="H02K15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Heating or drying of machines in operational state, e.g. standstill heating</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K15/14" definition-exists="false" ipc-concordant="H02K15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Casings</text></title-part><title-part><text>Enclosures</text></title-part><title-part><text>Supports</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K15/16" definition-exists="true" ipc-concordant="H02K15/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K15/16</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Centering rotors within the stator</text></title-part><title-part><text>Balancing rotors</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K15/165" definition-exists="true" ipc-concordant="H02K15/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K15/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Balancing the rotor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K16/00" definition-exists="true" ipc-concordant="H02K16/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K16/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines with more than one rotor or stator </text><CPC-specific-text><reference><text>machines for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts <class-ref scheme="cpc">H02K51/00</class-ref>; permanent magnet machines with multiple rotors or stators relatively rotated for vectorially combining the excitation fields or the armature voltages <class-ref scheme="cpc">H02K21/029</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K16/005" definition-exists="true" ipc-concordant="H02K16/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K16/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Machines with only rotors, e.g. counter-rotating rotors </text><reference><text>DC commutator machines or universal AC/DC commutator motors having a rotating armature and a rotating excitation field <class-ref scheme="cpc">H02K23/60</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K16/02" definition-exists="false" ipc-concordant="H02K16/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K16/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines with one stator and two </text><CPC-specific-text><text>or more</text></CPC-specific-text><text> rotors</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K16/025" definition-exists="true" ipc-concordant="H02K16/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K16/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with rotors and moving stators connected in a cascade </text><reference><text>cascade arrangement of an asynchronous motor with another dynamo-electric motor or converter <class-ref scheme="cpc">H02K17/34</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K16/04" definition-exists="false" ipc-concordant="H02K16/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K16/04</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Machines with one rotor and two stators</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K17/00" definition-exists="true" ipc-concordant="H02K17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K17/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Asynchronous induction motors</text></title-part><title-part><text>Asynchronous induction generators</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K17/02" definition-exists="false" ipc-concordant="H02K17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K17/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Asynchronous induction motors</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K17/04" definition-exists="false" ipc-concordant="H02K17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K17/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for single phase current</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K17/06" definition-exists="false" ipc-concordant="H02K17/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K17/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having windings arranged for permitting pole-changing</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K17/08" definition-exists="true" ipc-concordant="H02K17/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K17/08</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Motors with auxiliary phase obtained by externally fed auxiliary windings, e.g. capacitor motors</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K17/10" definition-exists="false" ipc-concordant="H02K17/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K17/10</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Motors with auxiliary phase obtained by split-pole carrying short-circuited windings</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K17/12" definition-exists="false" ipc-concordant="H02K17/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K17/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for multi-phase current</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K17/14" definition-exists="false" ipc-concordant="H02K17/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K17/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having windings arranged for permitting pole-changing</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K17/16" definition-exists="false" ipc-concordant="H02K17/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K17/16</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>having rotors with internally short-circuited windings, e.g. cage rotors</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K17/165" definition-exists="false" ipc-concordant="H02K17/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K17/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the squirrel-cage or other short-circuited windings</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K17/18" definition-exists="false" ipc-concordant="H02K17/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K17/18</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>having double-cage or multiple-cage rotors</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K17/185" definition-exists="false" ipc-concordant="H02K17/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K17/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the double- or multiple cage windings</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K17/20" definition-exists="true" ipc-concordant="H02K17/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K17/20</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>having deep-bar rotors</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K17/205" definition-exists="false" ipc-concordant="H02K17/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K17/205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the deep-bar windings</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K17/22" definition-exists="false" ipc-concordant="H02K17/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K17/22</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>having rotors with windings connected to slip-rings</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K17/24" definition-exists="false" ipc-concordant="H02K17/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K17/24</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>in which both stator and rotor are fed with AC</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K17/26" definition-exists="true" ipc-concordant="H02K17/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K17/26</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>having rotors or stators designed to permit synchronous operation</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K17/28" definition-exists="false" ipc-concordant="H02K17/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K17/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having compensating winding for improving phase angle</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K17/30" definition-exists="true" ipc-concordant="H02K17/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K17/30</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Structural association of asynchronous induction motors with auxiliary electric devices influencing the characteristics of the motor or controlling the motor, e.g. with impedances or switches</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K17/32" definition-exists="true" ipc-concordant="H02K17/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K17/32</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Structural association of asynchronous induction motors with auxiliary mechanical devices, e.g. with clutches or brakes</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K17/34" definition-exists="true" ipc-concordant="H02K17/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K17/34</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Cascade arrangement of an asynchronous motor with another dynamo-electric motor or converter</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K17/36" definition-exists="false" ipc-concordant="H02K17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K17/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with another asynchronous induction motor</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K17/38" definition-exists="false" ipc-concordant="H02K17/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K17/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with a commutator machine</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K17/40" definition-exists="true" ipc-concordant="H02K17/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K17/40</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with a rotary AC/DC converter</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K17/42" definition-exists="true" ipc-concordant="H02K17/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K17/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Asynchronous induction generators </text><reference><text><class-ref scheme="cpc">H02K17/02</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K17/44" definition-exists="false" ipc-concordant="H02K17/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K17/44</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Structural association with exciting machines</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K19/00" definition-exists="true" ipc-concordant="H02K19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K19/00</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Synchronous motors or generators </text><reference><text>having permanent magnets <class-ref scheme="cpc">H02K21/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K19/02" definition-exists="false" ipc-concordant="H02K19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K19/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Synchronous motors</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K19/04" definition-exists="false" ipc-concordant="H02K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K19/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for single-phase current</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K19/06" definition-exists="false" ipc-concordant="H02K19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>H02K19/06</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Motors having windings on the stator and a variable-reluctance soft-iron rotor without windings, e.g. inductor motors</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K19/08" definition-exists="false" ipc-concordant="H02K19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K19/08</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Motors having windings on the stator and a smooth rotor without windings of material with large hysteresis, e.g. hysteresis motors</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K19/10" definition-exists="false" ipc-concordant="H02K19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K19/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for multi-phase current</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K19/103" definition-exists="false" ipc-concordant="H02K19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K19/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Motors having windings on the stator and a variable reluctance soft-iron rotor without windings</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K19/106" definition-exists="false" ipc-concordant="H02K19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K19/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Motors having windings in the stator and a smooth rotor of material with large hysteresis without windings</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K19/12" definition-exists="true" ipc-concordant="H02K19/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K19/12</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>characterised by the arrangement of exciting windings, e.g. for self-excitation, compounding or pole-changing</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K19/14" definition-exists="true" ipc-concordant="H02K19/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K19/14</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>having additional short-circuited windings for starting as asynchronous motors</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K19/16" definition-exists="false" ipc-concordant="H02K19/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K19/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Synchronous generators</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K19/18" definition-exists="false" ipc-concordant="H02K19/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K19/18</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>having windings each turn of which co-operates only with poles of one polarity, e.g. homopolar generators</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K19/20" definition-exists="false" ipc-concordant="H02K19/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K19/20</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with variable-reluctance soft-iron rotors without winding</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K19/22" definition-exists="false" ipc-concordant="H02K19/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K19/22</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>having windings each turn of which co-operates alternately with poles of opposite polarity, e.g. heteropolar generators</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K19/24" definition-exists="false" ipc-concordant="H02K19/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K19/24</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with variable-reluctance soft-iron rotors without winding</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K19/26" definition-exists="true" ipc-concordant="H02K19/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K19/26</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>characterised by the arrangement of exciting windings</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K19/28" definition-exists="false" ipc-concordant="H02K19/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K19/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for self-excitation</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K19/30" definition-exists="false" ipc-concordant="H02K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K19/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for compounding</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K19/32" definition-exists="false" ipc-concordant="H02K19/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K19/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for pole-changing</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K19/34" definition-exists="true" ipc-concordant="H02K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K19/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Generators with two or more outputs</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K19/36" definition-exists="true" ipc-concordant="H02K19/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K19/36</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Structural association of synchronous generators with auxiliary electric devices influencing the characteristic of the generator or controlling the generator, e.g. with impedances or switches</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K19/365" definition-exists="false" ipc-concordant="H02K19/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K19/365</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a voltage regulator</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K19/38" definition-exists="false" ipc-concordant="H02K19/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K19/38</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Structural association of synchronous generators with exciting machines</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K21/00" definition-exists="true" ipc-concordant="H02K21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K21/00</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Synchronous motors having permanent magnets</text></title-part><title-part><text>Synchronous generators having permanent magnets</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K21/02" definition-exists="true" ipc-concordant="H02K21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K21/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K21/021" definition-exists="true" ipc-concordant="H02K21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K21/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for mechanical adjustment of the excitation flux</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K21/022" definition-exists="true" ipc-concordant="H02K21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K21/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by modifying the relative position between field and armature, e.g. between rotor and stator </text><reference><text>vectorial combination of field or armature sections <class-ref scheme="cpc">H02K21/029</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K21/023" definition-exists="true" ipc-concordant="H02K21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K21/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by varying the amount of superposition, i.e. the overlap, of field and armature</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02K21/024" definition-exists="true" ipc-concordant="H02K21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K21/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Radial air gap machines</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K21/025" definition-exists="true" ipc-concordant="H02K21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K21/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by varying the thickness of the air gap between field and armature</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02K21/026" definition-exists="false" ipc-concordant="H02K21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K21/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Axial air gap machines</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02K21/027" definition-exists="true" ipc-concordant="H02K21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K21/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Conical air gap machines</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K21/028" definition-exists="true" ipc-concordant="H02K21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K21/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by modifying the magnetic circuit within the field or the armature, e.g. by using shunts, by adjusting the magnets position, by vectorial combination of field or armature sections</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K21/029" definition-exists="true" ipc-concordant="H02K21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K21/029</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vectorial combination of the fluxes generated by a plurality of field sections or of the voltages induced in a plurality of armature sections</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K21/04" definition-exists="true" ipc-concordant="H02K21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K21/04</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Windings on magnets for additional excitation </text><CPC-specific-text><text>; Windings and magnets for additional excitation</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K21/042" definition-exists="false" ipc-concordant="H02K21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K21/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with permanent magnets and field winding both rotating</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K21/044" definition-exists="false" ipc-concordant="H02K21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K21/044</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rotor of the claw pole type</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K21/046" definition-exists="false" ipc-concordant="H02K21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K21/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with rotating permanent magnets and stationary field winding</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K21/048" definition-exists="false" ipc-concordant="H02K21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K21/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rotor of the claw pole type</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K21/10" definition-exists="false" ipc-concordant="H02K21/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K21/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rotating armatures</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K21/12" definition-exists="true" ipc-concordant="H02K21/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K21/12</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with stationary armatures and rotating magnets</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K21/125" definition-exists="true" ipc-concordant="H02K21/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>H02K21/125</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>having an annular armature coil </text><reference><text><class-ref scheme="cpc">H02K21/14</class-ref> - <class-ref scheme="cpc">H02K21/24</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K21/14" definition-exists="false" ipc-concordant="H02K21/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K21/14</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with magnets rotating within the armatures</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K21/145" definition-exists="true" ipc-concordant="H02K21/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K21/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having an annular armature coil </text><reference><text>with homopolar co-operation <class-ref scheme="cpc">H02K21/20</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K21/16" definition-exists="true" ipc-concordant="H02K21/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K21/16</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>having annular armature cores with salient poles </text><reference><text>with homopolar co-operation <class-ref scheme="cpc">H02K21/20</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K21/18" definition-exists="true" ipc-concordant="H02K21/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K21/18</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>having horse-shoe armature cores </text><reference><text>with homopolar co-operation <class-ref scheme="cpc">H02K21/20</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K21/185" definition-exists="false" ipc-concordant="H02K21/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K21/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with the axis of the rotor perpendicular to the plane of the armature</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K21/20" definition-exists="false" ipc-concordant="H02K21/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K21/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having windings each turn of which co-operates only with poles of one polarity, e.g. homopolar machine</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K21/22" definition-exists="false" ipc-concordant="H02K21/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K21/22</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with magnets rotating around the armatures, e.g. flywheel magnetos</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K21/222" definition-exists="true" ipc-concordant="H02K21/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K21/222</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flywheel magnetos</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K21/225" definition-exists="true" ipc-concordant="H02K21/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K21/225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having I-shaped, E-shaped or similarly shaped armature cores</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K21/227" definition-exists="false" ipc-concordant="H02K21/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K21/227</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having an annular armature coil</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K21/24" definition-exists="false" ipc-concordant="H02K21/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K21/24</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with magnets axially facing the armatures, e.g. hub-type cycle dynamos</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K21/26" definition-exists="false" ipc-concordant="H02K21/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K21/26</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with rotating armatures and stationary magnets</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K21/28" definition-exists="false" ipc-concordant="H02K21/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K21/28</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with armatures rotating within the magnets</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K21/30" definition-exists="true" ipc-concordant="H02K21/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K21/30</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>having annular armature cores with salient poles </text><reference><text>with homopolar co-operation <class-ref scheme="cpc">H02K21/36</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K21/32" definition-exists="true" ipc-concordant="H02K21/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K21/32</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>having horse-shoe magnets </text><reference><text>with homopolar co-operation <class-ref scheme="cpc">H02K21/36</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K21/325" definition-exists="false" ipc-concordant="H02K21/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K21/325</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with the axis of the rotating armature perpendicular to the plane of the magnet</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K21/34" definition-exists="true" ipc-concordant="H02K21/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K21/34</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>having bell-shaped or bar-shaped magnets, e.g. for cycle lighting </text><reference><text>with homopolar co-operation <class-ref scheme="cpc">H02K21/36</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K21/36" definition-exists="false" ipc-concordant="H02K21/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K21/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with homopolar co-operation</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K21/38" definition-exists="false" ipc-concordant="H02K21/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K21/38</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with rotating flux distributors, and armatures and magnets both stationary</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K21/40" definition-exists="false" ipc-concordant="H02K21/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K21/40</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with flux distributors rotating around the magnets and within the armatures</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K21/42" definition-exists="false" ipc-concordant="H02K21/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K21/42</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with flux distributors rotating around the armatures and within the magnets</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K21/44" definition-exists="true" ipc-concordant="H02K21/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K21/44</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with armature windings wound upon the magnets</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K21/46" definition-exists="true" ipc-concordant="H02K21/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K21/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Motors having additional short-circuited winding for starting as an asynchronous motor</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K21/48" definition-exists="true" ipc-concordant="H02K21/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K21/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Generators with two or more outputs</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K23/00" definition-exists="true" ipc-concordant="H02K23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K23/00</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>DC commutator motors or generators having mechanical commutator</text></title-part><title-part><text>Universal AC/DC commutator motors</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K23/02" definition-exists="false" ipc-concordant="H02K23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K23/02</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>characterised by arrangement for exciting</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K23/023" definition-exists="false" ipc-concordant="H02K23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K23/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having short-circuited brushes</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K23/026" definition-exists="false" ipc-concordant="H02K23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K23/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having an unregular distribution of the exciting winding or of the excitation over the poles</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K23/04" definition-exists="false" ipc-concordant="H02K23/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K23/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having permanent magnet excitation</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K23/06" definition-exists="false" ipc-concordant="H02K23/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K23/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having shunt connection of excitation windings</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K23/08" definition-exists="false" ipc-concordant="H02K23/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K23/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having series connection of excitation windings</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K23/10" definition-exists="false" ipc-concordant="H02K23/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K23/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having compound connection of excitation windings</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K23/12" definition-exists="false" ipc-concordant="H02K23/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K23/12</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>having excitation produced by current sources independent of the armature circuit</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K23/14" definition-exists="false" ipc-concordant="H02K23/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K23/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having high-speed excitation or de-excitation, e.g. by neutralising the remanent excitation field</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K23/16" definition-exists="false" ipc-concordant="H02K23/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K23/16</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>having angularly adjustable excitation field, e.g. by pole reversing or pole switching</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K23/18" definition-exists="false" ipc-concordant="H02K23/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K23/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having displaceable main or auxiliary brushes</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K23/20" definition-exists="false" ipc-concordant="H02K23/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K23/20</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>having additional brushes spaced intermediately of the main brushes on the commutator, e.g. cross-field machines, metadynes, amplidynes or other armature-reaction excited machines</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K23/22" definition-exists="false" ipc-concordant="H02K23/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K23/22</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>having compensating or damping windings</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K23/24" definition-exists="false" ipc-concordant="H02K23/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K23/24</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>having commutating-pole windings</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K23/26" definition-exists="true" ipc-concordant="H02K23/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K23/26</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>characterised by the armature windings</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K23/28" definition-exists="false" ipc-concordant="H02K23/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K23/28</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>having open windings, i.e. not closed within the armatures</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K23/30" definition-exists="false" ipc-concordant="H02K23/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K23/30</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>having lap or loop windings</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K23/32" definition-exists="false" ipc-concordant="H02K23/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K23/32</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>having wave or undulating windings</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K23/34" definition-exists="false" ipc-concordant="H02K23/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K23/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having mixed windings</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K23/36" definition-exists="false" ipc-concordant="H02K23/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K23/36</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>having two or more windings</text></title-part><title-part><text>having two or more commutators</text></title-part><title-part><text>having two or more stators</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K23/38" definition-exists="false" ipc-concordant="H02K23/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K23/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having winding or connection for improving commutation, e.g. equipotential connection</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K23/40" definition-exists="false" ipc-concordant="H02K23/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K23/40</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>characterised by the arrangement of the magnet circuits</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K23/405" definition-exists="false" ipc-concordant="H02K23/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K23/405</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Machines with a special form of the pole shoes</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K23/42" definition-exists="false" ipc-concordant="H02K23/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K23/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having split poles, i.e. zones for varying reluctance by gaps in poles or by poles with different spacing of the air gap</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K23/44" definition-exists="false" ipc-concordant="H02K23/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K23/44</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>having movable, e.g. turnable, iron parts</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K23/46" definition-exists="false" ipc-concordant="H02K23/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K23/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having stationary shunts, i.e. magnetic cross flux</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K23/48" definition-exists="false" ipc-concordant="H02K23/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K23/48</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>having adjustable armatures</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K23/50" definition-exists="false" ipc-concordant="H02K23/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K23/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Generators with two or more outputs</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K23/52" definition-exists="false" ipc-concordant="H02K23/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K23/52</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Motors acting also as generators, e.g. starting motors used as generators for ignition or lighting</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K23/54" definition-exists="false" ipc-concordant="H02K23/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K23/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Disc armature motors or generators</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K23/56" definition-exists="false" ipc-concordant="H02K23/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K23/56</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Motors or generators having iron cores separated from armature winding</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K23/58" definition-exists="false" ipc-concordant="H02K23/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K23/58</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Motors or generators without iron cores</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K23/60" definition-exists="true" ipc-concordant="H02K23/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K23/60</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Motors or generators having rotating armatures and rotating excitation field</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K23/62" definition-exists="false" ipc-concordant="H02K23/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K23/62</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Motors or generators with stationary armatures and rotating excitation field</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K23/64" definition-exists="true" ipc-concordant="H02K23/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K23/64</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Motors specially adapted for running on DC or AC by choice</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K23/66" definition-exists="true" ipc-concordant="H02K23/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K23/66</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Structural association with auxiliary electric devices influencing the characteristic of, or controlling, the machine, e.g. with impedances or switches</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K23/68" definition-exists="true" ipc-concordant="H02K23/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K23/68</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Structural association with auxiliary mechanical devices, e.g. with clutches or brakes</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K24/00" definition-exists="true" ipc-concordant="H02K24/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K24/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines adapted for the instantaneous transmission or reception of the angular displacement of rotating parts, e.g. synchro, selsyn</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K25/00" definition-exists="true" ipc-concordant="H02K25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K25/00</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>DC interrupter motors or generators</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K26/00" definition-exists="true" ipc-concordant="H02K26/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K26/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines adapted to function as torque motors, i.e. to exert a torque when stalled</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K27/00" definition-exists="true" ipc-concordant="H02K27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K27/00</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>AC commutator motors or generators having mechanical commutator</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K27/02" definition-exists="false" ipc-concordant="H02K27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K27/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the armature winding</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K27/04" definition-exists="false" ipc-concordant="H02K27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K27/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having single-phase operation in series or shunt connection</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K27/06" definition-exists="false" ipc-concordant="H02K27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K27/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with a single or multiple short-circuited commutator, e.g. repulsion motor</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K27/08" definition-exists="false" ipc-concordant="H02K27/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K27/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with multiple-fed armature</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K27/10" definition-exists="false" ipc-concordant="H02K27/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K27/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with switching devices for different modes of operation, e.g. repulsion-induction motor</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K27/12" definition-exists="false" ipc-concordant="H02K27/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K27/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having multi-phase operation</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K27/14" definition-exists="false" ipc-concordant="H02K27/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K27/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in series connection</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K27/16" definition-exists="false" ipc-concordant="H02K27/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K27/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in shunt connection with stator feeding</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K27/18" definition-exists="false" ipc-concordant="H02K27/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K27/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in shunt connection with rotor feeding</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K27/20" definition-exists="false" ipc-concordant="H02K27/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K27/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Structural association with a speed regulating device</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K27/22" definition-exists="false" ipc-concordant="H02K27/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K27/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having means for improving commutation, e.g. auxiliary fields, double windings, double brushes</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K27/24" definition-exists="false" ipc-concordant="H02K27/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K27/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having two or more commutators</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K27/26" definition-exists="false" ipc-concordant="H02K27/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K27/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having disc armature</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K27/28" definition-exists="true" ipc-concordant="H02K27/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K27/28</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Structural association with auxiliary electric devices influencing the characteristic of the machine or controlling the machine</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K27/30" definition-exists="false" ipc-concordant="H02K27/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K27/30</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Structural association with auxiliary mechanical devices, e.g. with clutches or brakes</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K29/00" definition-exists="true" ipc-concordant="H02K29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K29/00</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices </text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K29/03" definition-exists="true" ipc-concordant="H02K29/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K29/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K29/06" definition-exists="true" ipc-concordant="H02K29/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K29/06</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>with position sensing devices </text><reference><text><class-ref scheme="cpc">H02K29/03</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K29/08" definition-exists="true" ipc-concordant="H02K29/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K29/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using magnetic effect devices, e.g. Hall-plates, magneto-resistors </text><reference><text><class-ref scheme="cpc">H02K29/12</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K29/10" definition-exists="false" ipc-concordant="H02K29/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K29/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using light effect devices</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K29/12" definition-exists="true" ipc-concordant="H02K29/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K29/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using detecting coils </text><CPC-specific-text><text>using the machine windings as detecting coil</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K29/14" definition-exists="true" ipc-concordant="H02K29/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K29/14</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>with speed sensing devices </text><reference><text><class-ref scheme="cpc">H02K29/03</class-ref> takes precedence</text></reference></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K31/00" definition-exists="true" ipc-concordant="H02K31/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K31/00</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Acyclic motors or generators, i.e. DC machines having drum or disc armatures with continuous current collectors </text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K31/02" definition-exists="false" ipc-concordant="H02K31/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K31/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with solid-contact collectors</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K31/04" definition-exists="false" ipc-concordant="H02K31/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K31/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with at least one liquid-contact collector</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K33/00" definition-exists="true" ipc-concordant="H02K33/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K33/00</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Motors with reciprocating, oscillating or vibrating magnet, armature or coil system </text><reference><text>arrangements for handling mechanical energy structurally associated with motors <class-ref scheme="cpc">H02K7/00</class-ref>, e.g. <class-ref scheme="cpc">H02K7/06</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K33/02" definition-exists="true" ipc-concordant="H02K33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K33/02</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K33/04" definition-exists="false" ipc-concordant="H02K33/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K33/04</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>wherein the frequency of operation is determined by the frequency of uninterrupted AC energisation</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K33/06" definition-exists="false" ipc-concordant="H02K33/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K33/06</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with polarised armatures</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K33/08" definition-exists="false" ipc-concordant="H02K33/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K33/08</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with DC energisation superimposed on AC energisation</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K33/10" definition-exists="false" ipc-concordant="H02K33/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K33/10</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>wherein the alternate energisation and de-energisation of the single coil system is effected or controlled by movement of the armatures</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K33/12" definition-exists="false" ipc-concordant="H02K33/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K33/12</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with armatures moving in alternate directions by alternate energisation of two coil systems</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K33/14" definition-exists="false" ipc-concordant="H02K33/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K33/14</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>wherein the alternate energisation and de-energisation of the two coil systems are effected or controlled by movement of the armatures</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K33/16" definition-exists="true" ipc-concordant="H02K33/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K33/16</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with polarised armatures moving in alternate directions by reversal or energisation of a single coil system</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K33/18" definition-exists="true" ipc-concordant="H02K33/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K33/18</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K35/00" definition-exists="true" ipc-concordant="H02K35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K35/00</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit </text><reference><text>arrangements for handling mechanical energy structurally associated with generators <class-ref scheme="cpc">H02K7/00</class-ref>, e.g. <class-ref scheme="cpc">H02K7/06</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K35/02" definition-exists="false" ipc-concordant="H02K35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K35/02</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with moving magnets and stationary coil systems</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K35/04" definition-exists="false" ipc-concordant="H02K35/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K35/04</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with moving coil systems and stationary magnets</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K35/06" definition-exists="false" ipc-concordant="H02K35/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K35/06</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with moving flux distributors, and both coil systems and magnets stationary</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K37/00" definition-exists="true" ipc-concordant="H02K37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K37/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K37/02" definition-exists="false" ipc-concordant="H02K37/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K37/02</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>of variable reluctance type</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K37/04" definition-exists="false" ipc-concordant="H02K37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K37/04</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with rotors situated within the stators</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K37/06" definition-exists="false" ipc-concordant="H02K37/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K37/06</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with rotors situated around the stators</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K37/08" definition-exists="false" ipc-concordant="H02K37/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K37/08</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with rotors axially facing the stators</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K37/10" definition-exists="false" ipc-concordant="H02K37/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K37/10</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>of permanent magnet type </text><reference><text><class-ref scheme="cpc">H02K37/02</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K37/12" definition-exists="false" ipc-concordant="H02K37/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K37/12</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with stationary armatures and rotating magnets</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K37/125" definition-exists="false" ipc-concordant="H02K37/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K37/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Magnet axially facing armature</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K37/14" definition-exists="false" ipc-concordant="H02K37/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K37/14</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with magnets rotating within the armatures</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K37/16" definition-exists="false" ipc-concordant="H02K37/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K37/16</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>having horseshoe armature cores</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K37/18" definition-exists="true" ipc-concordant="H02K37/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K37/18</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>of homopolar type</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K37/20" definition-exists="false" ipc-concordant="H02K37/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K37/20</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with rotating flux distributors, the armatures and magnets both being stationary</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K37/22" definition-exists="false" ipc-concordant="H02K37/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K37/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Damping units</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K37/24" definition-exists="false" ipc-concordant="H02K37/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K37/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Structural association with auxiliary mechanical devices</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K39/00" definition-exists="true" ipc-concordant="H02K39/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K39/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Generators specially adapted for producing a desired non-sinusoidal waveform</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K41/00" definition-exists="true" ipc-concordant="H02K41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K41/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path </text><CPC-specific-text><reference><text>electromagnetic launchers <class-ref scheme="cpc">F41B6/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K41/02" definition-exists="true" ipc-concordant="H02K41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K41/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Linear motors</text></title-part><title-part><text>Sectional motors</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K41/025" definition-exists="false" ipc-concordant="H02K41/025" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K41/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Asynchronous motors</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K41/03" definition-exists="true" ipc-concordant="H02K41/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K41/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Synchronous motors</text></title-part><title-part><text>Motors moving step by step</text></title-part><title-part><text>Reluctance motors </text><reference><text><class-ref scheme="cpc">H02K41/035</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K41/031" definition-exists="false" ipc-concordant="H02K41/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K41/031</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the permanent magnet type</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K41/033" definition-exists="false" ipc-concordant="H02K41/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K41/033</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with armature and magnets on one member, the other member being a flux distributor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K41/035" definition-exists="true" ipc-concordant="H02K41/035" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K41/035</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>DC motors</text></title-part><title-part><text>Unipolar motors</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K41/0352" definition-exists="true" ipc-concordant="H02K41/035" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K41/0352</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Unipolar motors</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02K41/0354" definition-exists="true" ipc-concordant="H02K41/035" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K41/0354</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Lorentz force motors, e.g. voice coil motors</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02K41/0356" definition-exists="true" ipc-concordant="H02K41/035" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K41/0356</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>moving along a straight path</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02K41/0358" definition-exists="true" ipc-concordant="H02K41/035" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K41/0358</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>moving along a curvilinear path</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K41/06" definition-exists="true" ipc-concordant="H02K41/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K41/06</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Rolling motors, i.e. motors having the rotor axis parallel to the stator axis and following a circular path as the rotor rolls around the inside or outside of the stator </text><CPC-specific-text><text>; Nutating motors, i.e. having the rotor axis parallel to the stator axis inclined with respect to the stator axis and performing a nutational movement as the rotor rolls on the stator</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K41/065" definition-exists="true" ipc-concordant="H02K41/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K41/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Nutating motors</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K44/00" definition-exists="true" ipc-concordant="H02K44/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K44/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines in which the dynamo-electric interaction between a plasma or flow of conductive liquid or of fluid-borne conductive or magnetic particles and a coil system or magnetic field converts energy of mass flow into electrical energy or <u>vice versa</u></text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K44/02" definition-exists="true" ipc-concordant="H02K44/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K44/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrodynamic pumps</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K44/04" definition-exists="false" ipc-concordant="H02K44/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K44/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Conduction pumps</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K44/06" definition-exists="false" ipc-concordant="H02K44/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K44/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Induction pumps</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K44/08" definition-exists="false" ipc-concordant="H02K44/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K44/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Magnetohydrodynamic [MHD] generators</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K44/085" definition-exists="false" ipc-concordant="H02K44/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K44/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with conducting liquids</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K44/10" definition-exists="false" ipc-concordant="H02K44/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K44/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Constructional details of electrodes</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K44/12" definition-exists="false" ipc-concordant="H02K44/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K44/12</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Constructional details of fluid channels</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K44/14" definition-exists="false" ipc-concordant="H02K44/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K44/14</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Circular or screw-shaped channels</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K44/16" definition-exists="false" ipc-concordant="H02K44/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K44/16</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Constructional details of the magnetic circuits</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K44/18" definition-exists="false" ipc-concordant="H02K44/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K44/18</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>for generating AC power</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K44/20" definition-exists="false" ipc-concordant="H02K44/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K44/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by changing the polarity of the magnetic field</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K44/22" definition-exists="false" ipc-concordant="H02K44/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K44/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by changing the conductivity of the fluid</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K44/24" definition-exists="false" ipc-concordant="H02K44/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K44/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by reversing the direction of fluid</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K44/26" definition-exists="false" ipc-concordant="H02K44/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K44/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by creating a travelling magnetic field</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K44/28" definition-exists="true" ipc-concordant="H02K44/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K44/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Association of MHD generators with conventional generators </text><reference><text>nuclear power plants including a MHD generator <class-ref scheme="cpc">G21D7/02</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K47/00" definition-exists="true" ipc-concordant="H02K47/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K47/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dynamo-electric converters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K47/02" definition-exists="false" ipc-concordant="H02K47/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K47/02</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>AC/DC converters or <u>vice versa</u></text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K47/04" definition-exists="false" ipc-concordant="H02K47/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K47/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Motor/generators</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K47/06" definition-exists="false" ipc-concordant="H02K47/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K47/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cascade converters</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K47/08" definition-exists="false" ipc-concordant="H02K47/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K47/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single-armature converters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K47/10" definition-exists="false" ipc-concordant="H02K47/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K47/10</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with booster machines on the AC side</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K47/12" definition-exists="false" ipc-concordant="H02K47/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K47/12</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>DC/DC converters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K47/14" definition-exists="false" ipc-concordant="H02K47/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K47/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Motor/generators</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K47/16" definition-exists="false" ipc-concordant="H02K47/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K47/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single-armature converters, e.g. metadyne</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K47/18" definition-exists="false" ipc-concordant="H02K47/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K47/18</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>AC/AC converters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K47/20" definition-exists="false" ipc-concordant="H02K47/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K47/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Motor/generators</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K47/22" definition-exists="false" ipc-concordant="H02K47/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K47/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single-armature frequency converters with or without phase-number conversion</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K47/24" definition-exists="false" ipc-concordant="H02K47/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K47/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having windings for different numbers of poles</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K47/26" definition-exists="false" ipc-concordant="H02K47/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K47/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>operating as under- or over-synchronously running asynchronous induction machines, e.g. cascade arrangement of asynchronous and synchronous machines</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K47/28" definition-exists="false" ipc-concordant="H02K47/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K47/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>operating as commutator machines with added slip-rings</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K47/30" definition-exists="false" ipc-concordant="H02K47/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K47/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single-armature phase-number converters without frequency conversion</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K49/00" definition-exists="true" ipc-concordant="H02K49/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K49/00</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Dynamo-electric clutches</text></title-part><title-part><text>Dynamo-electric brakes</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K49/02" definition-exists="true" ipc-concordant="H02K49/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K49/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the asynchronous induction type</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K49/04" definition-exists="true" ipc-concordant="H02K49/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>H02K49/04</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>of the eddy-current hysteresis type</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K49/043" definition-exists="false" ipc-concordant="H02K49/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K49/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a radial airgap</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K49/046" definition-exists="false" ipc-concordant="H02K49/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K49/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with an axial airgap</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K49/06" definition-exists="true" ipc-concordant="H02K49/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K49/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the synchronous type </text><CPC-specific-text><reference><text><class-ref scheme="cpc">H02K49/10</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K49/065" definition-exists="false" ipc-concordant="H02K49/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K49/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>hysteresis type</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K49/08" definition-exists="false" ipc-concordant="H02K49/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K49/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the collector armature type</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K49/10" definition-exists="true" ipc-concordant="H02K49/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K49/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the permanent-magnet type</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K49/102" definition-exists="true" ipc-concordant="H02K49/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K49/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Magnetic gearings, i.e. assembly of gears, linear or rotary, by which motion is magnetically transferred without physical contact </text><reference><text>magnetized gearings with physical contact <class-ref scheme="cpc">F16H13/12</class-ref>, <class-ref scheme="cpc">F16H49/005</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K49/104" definition-exists="true" ipc-concordant="H02K49/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K49/104</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K49/106" definition-exists="false" ipc-concordant="H02K49/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K49/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a radial air gap</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02K49/108" definition-exists="false" ipc-concordant="H02K49/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K49/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with an axial air gap</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K49/12" definition-exists="false" ipc-concordant="H02K49/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K49/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the acyclic type</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K51/00" definition-exists="true" ipc-concordant="H02K51/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K51/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dynamo-electric gears, i.e. dynamo-electric means for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K53/00" definition-exists="true" ipc-concordant="H02K53/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K53/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alleged dynamo-electric <u>perpetua mobilia</u></text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K55/00" definition-exists="true" ipc-concordant="H02K55/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K55/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dynamo-electric machines having windings operating at cryogenic temperatures</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K55/02" definition-exists="false" ipc-concordant="H02K55/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K55/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the synchronous type</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02K55/04" definition-exists="true" ipc-concordant="H02K55/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K55/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with rotating field windings</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K55/06" definition-exists="false" ipc-concordant="H02K55/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K55/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the homopolar type</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02K99/00" definition-exists="false" ipc-concordant="H02K99/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K99/00</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Subject matter not provided for in other groups of this subclass</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K99/10" definition-exists="false" ipc-concordant="H02K99/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K99/10</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>Generators</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02K99/20" definition-exists="false" ipc-concordant="H02K99/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02K99/20</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>Motors</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="H02K201/00" date-revised="2013-01-01" status="published"><classification-symbol>H02K2201/00</classification-symbol>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="H02K201/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2201/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H02K201/03" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2201/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines characterised by aspects of the air-gap between rotor and stator</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H02K201/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2201/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Magnetic cores, or permanent magnets characterised by their skew</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H02K201/09" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2201/09</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Magnetic cores comprising laminations characterised by being fastened by caulking</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H02K201/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2201/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Transversal flux machines</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H02K201/15" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2201/15</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sectional machines</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H02K201/18" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2201/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines moving with multiple degrees of freedom</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="H02K203/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2203/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific aspects not provided for in the other groups of this subclass relating to the windings</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H02K203/03" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2203/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines characterised by the wiring boards, i.e. printed circuit boards or similar structures for connecting the winding terminations</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H02K203/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2203/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines characterised by the wiring leads, i.e. conducting wires for connecting the winding terminations</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H02K203/09" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2203/09</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines characterised by wiring elements other than wires, e.g. bus rings, for connecting the winding terminations</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H02K203/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2203/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines characterised by the bobbins for supporting the windings</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H02K203/15" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-01-01" status="published"><classification-symbol>H02K2203/15</classification-symbol><class-title date-revised="2017-01-01"><title-part><text>Machines characterised by cable windings, e.g. high-voltage cables, ribbon cables</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="H02K205/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2205/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H02K205/03" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2205/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines characterised by thrust bearings</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H02K205/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2205/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines characterised by means for keeping the brushes in a retracted position during assembly</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H02K205/09" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2205/09</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines characterised by drain passages or by venting, breathing or pressure compensating means</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H02K205/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2205/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines characterised by means for reducing windage losses or windage noise</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="H02K207/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2207/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific aspects not provided for in the other groups of this subclass relating to arrangements for handling mechanical energy</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H02K207/03" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2207/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tubular motors, i.e. rotary motors mounted inside a tube, e.g. for blinds</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="H02K209/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2209/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific aspects not provided for in the other groups of this subclass relating to systems for cooling or ventilating</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="H02K211/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2211/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific aspects not provided for in the other groups of this subclass relating to measuring or protective devices or electric components</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H02K211/03" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2211/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines characterised by circuit boards, e.g. pcb</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="H02K213/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2213/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific aspects, not otherwise provided for and not covered by codes <class-ref scheme="cpc">H02K2201/00</class-ref> - <class-ref scheme="cpc">H02K2211/00</class-ref></text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H02K213/03" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2213/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines characterised by numerical values, ranges, mathematical expressions or similar information</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H02K213/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2213/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines characterised by the presence of fail safe, back up, redundant or other similar emergency arrangements</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H02K213/09" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2213/09</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines characterised by the presence of elements which are subject to variation, e.g. adjustable bearings, reconfigurable windings, variable pitch ventilators</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H02K213/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02K2213/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines characterised by the modularity of some components</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="H02K215/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>H02K2215/00</classification-symbol><class-title date-revised="2021-08-01"><title-part><text>Specific aspects not provided for in other groups of this subclass relating to methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines</text></title-part></class-title></classification-item></classification-item></classification-item></class-scheme> |