You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
49 lines
27 KiB
XML
49 lines
27 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
|
|
<class-scheme publication-date="2023-02-01" scheme-type="cpc" publication-type="official">
|
|
<classification-item breakdown-code="false" not-allocatable="true" level="5" additional-only="false" sort-key="B04C" definition-exists="true" date-revised="2018-08-01" status="published"><classification-symbol>B04C</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES </text><reference><CPC-specific-text><text>centrifugal separation of water from steam <class-ref scheme="cpc">B01D45/12</class-ref>;</text></CPC-specific-text><text> jet mills <class-ref scheme="cpc">B02C19/06</class-ref>; </text><CPC-specific-text><text>wind sifters <class-ref scheme="cpc">B07B7/00</class-ref>;</text></CPC-specific-text><text> cyclonic type combustion apparatus <class-ref scheme="cpc">F23</class-ref>; </text><CPC-specific-text><text>vortex burners for cyclone-type combustion apparatus <class-ref scheme="cpc">F23D1/02</class-ref>; cyclonic type combustion apparatus for gas turbines <class-ref scheme="cpc">F23R3/00</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> apparatus for separating, mixing or like treating in which centrifugal effects are generated by free vortex flow, otherwise than by rotary bowls, rotors or curved passages.</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>
|
|
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="B04C1/00" date-revised="2013-01-01" status="published"><classification-symbol>B04C1/00</classification-symbol>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B04C1/00" definition-exists="true" ipc-concordant="B04C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B04C1/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Apparatus in which the main direction of flow follows a flat spiral </text><CPC-specific-text><text>; so-called flat cyclones or vortex chambers</text></CPC-specific-text></title-part></class-title></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B04C3/00" definition-exists="true" ipc-concordant="B04C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus in which the axial direction of the vortex </text><CPC-specific-text><text>(flow following a screw-thread type line)</text></CPC-specific-text><text> remains unchanged </text><CPC-specific-text><text>Also devices in which one of the two discharge ducts returns centrally through the vortex chamber, a reverse-flow vortex being prevented by bulkheads in the central discharge duct </text><reference><text>combined with other devices <class-ref scheme="cpc">B04C9/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
|
|
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B04C3/003" definition-exists="false" ipc-concordant="B04C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C2003/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Shapes or dimensions of vortex chambers</text></CPC-specific-text></title-part></class-title></classification-item>
|
|
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B04C3/006" definition-exists="false" ipc-concordant="B04C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C2003/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Construction of elements by which the vortex flow is generated or degenerated</text></CPC-specific-text></title-part></class-title></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B04C3/02" definition-exists="false" ipc-concordant="B04C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with heating or cooling, e.g. quenching, means</text></title-part></class-title></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B04C3/04" definition-exists="false" ipc-concordant="B04C3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multiple arrangement thereof </text><CPC-specific-text><reference><text>combined with types according to other groups, <class-ref scheme="cpc">B04C7/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B04C3/06" definition-exists="false" ipc-concordant="B04C3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Construction of inlets or outlets to the vortex chamber</text></title-part></class-title></classification-item></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B04C5/00" definition-exists="true" ipc-concordant="B04C5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus in which the axial direction of the vortex is reversed </text><CPC-specific-text><reference><text>combined with other devices <class-ref scheme="cpc">B04C9/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B04C5/02" definition-exists="false" ipc-concordant="B04C5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>B04C5/02</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>Construction of inlets by which the vortex flow is generated </text><CPC-specific-text><text>, e.g. tangential admission, the fluid flow being forced to follow a downward path by spirally wound bulkheads, or with slightly downwardly-directed tangential admission</text></CPC-specific-text><reference><text>fluid dynamics in general <class-ref scheme="cpc">F15D</class-ref></text></reference></title-part></class-title>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B04C5/04" definition-exists="false" ipc-concordant="B04C5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C5/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tangential inlets</text></title-part></class-title></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B04C5/06" definition-exists="false" ipc-concordant="B04C5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C5/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Axial inlets</text></title-part></class-title></classification-item></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B04C5/08" definition-exists="false" ipc-concordant="B04C5/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C5/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vortex chamber constructions</text></title-part></class-title>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B04C5/081" definition-exists="false" ipc-concordant="B04C5/081" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C5/081</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Shapes or dimensions</text></title-part></class-title></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B04C5/085" definition-exists="false" ipc-concordant="B04C5/085" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C5/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with wear-resisting arrangements</text></title-part></class-title></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B04C5/087" definition-exists="false" ipc-concordant="B04C5/087" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C5/087</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with flexible gas-tight walls</text></title-part></class-title></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B04C5/10" definition-exists="false" ipc-concordant="B04C5/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C5/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with perforated walls</text></title-part></class-title></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B04C5/103" definition-exists="false" ipc-concordant="B04C5/103" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C5/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bodies or members, e.g. bulkheads, guides, in the vortex chamber </text><reference><text>cores <class-ref scheme="cpc">B04C5/107</class-ref></text></reference></title-part></class-title></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B04C5/107" definition-exists="false" ipc-concordant="B04C5/107" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C5/107</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cores</text></title-part><title-part><text>Devices for inducing an air-core in hydrocyclones </text><reference><text>forming part of the outlet pipe <class-ref scheme="cpc">B04C5/13</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B04C5/12" definition-exists="false" ipc-concordant="B04C5/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C5/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Construction of the overflow ducting, e.g. diffusing or spiral exits</text></title-part></class-title>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B04C5/13" definition-exists="false" ipc-concordant="B04C5/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C5/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>formed as a vortex finder and extending into the vortex chamber </text><CPC-specific-text><reference><text>exits with bulkheads preventing reverse flow vortex <class-ref scheme="cpc">B04C3/00</class-ref></text></reference></CPC-specific-text></title-part><title-part><text>Discharge from vortex finder otherwise than at the top of the cyclone</text></title-part><title-part><text>Devices for controlling the overflow</text></title-part></class-title>
|
|
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B04C5/133" definition-exists="false" ipc-concordant="B04C5/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C2005/133</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Adjustable vortex finder</text></CPC-specific-text></title-part></class-title></classification-item>
|
|
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B04C5/136" definition-exists="false" ipc-concordant="B04C5/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C2005/136</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Baffles in the vortex finder</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B04C5/14" definition-exists="false" ipc-concordant="B04C5/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B04C5/14</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Construction of the underflow ducting</text></title-part><title-part><text>Apex constructions</text></title-part><title-part><text>Discharge arrangements </text><CPC-specific-text><text>; discharge through sidewall provided with a few slits or perforations </text><reference><text>provided with a great number of slits or perforations <class-ref scheme="cpc">B04C5/10</class-ref></text></reference></CPC-specific-text></title-part></class-title>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B04C5/15" definition-exists="false" ipc-concordant="B04C5/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C5/15</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with swinging flaps or revolving sluices</text></title-part><title-part><text>Sluices</text></title-part><title-part><text>Check-valves</text></title-part></class-title></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B04C5/16" definition-exists="false" ipc-concordant="B04C5/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C5/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with variable-size outlets from the underflow ducting</text></title-part></class-title></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B04C5/18" definition-exists="false" ipc-concordant="B04C5/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C5/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with auxiliary fluid assisting discharge</text></title-part></class-title></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B04C5/181" definition-exists="false" ipc-concordant="B04C5/181" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C5/181</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bulkheads or central bodies in the discharge opening</text></title-part></class-title></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B04C5/185" definition-exists="false" ipc-concordant="B04C5/185" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C5/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dust collectors</text></title-part></class-title>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B04C5/187" definition-exists="false" ipc-concordant="B04C5/187" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C5/187</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>forming an integral part of the vortex chamber</text></title-part></class-title></classification-item></classification-item></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B04C5/20" definition-exists="false" ipc-concordant="B04C5/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C5/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with heating or cooling, e.g. quenching, means</text></title-part></class-title></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B04C5/22" definition-exists="false" ipc-concordant="B04C5/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C5/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with cleaning means</text></title-part></class-title>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B04C5/23" definition-exists="false" ipc-concordant="B04C5/23" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C5/23</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using liquids</text></title-part></class-title></classification-item></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B04C5/24" definition-exists="true" ipc-concordant="B04C5/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C5/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multiple arrangement thereof </text><CPC-specific-text><reference><text>combination types according to other /00 groups, <class-ref scheme="cpc">B04C7/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B04C5/26" definition-exists="false" ipc-concordant="B04C5/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C5/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for series flow</text></title-part></class-title></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B04C5/28" definition-exists="false" ipc-concordant="B04C5/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C5/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for parallel flow</text></title-part></class-title></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B04C5/30" definition-exists="false" ipc-concordant="B04C5/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C5/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Recirculation constructions in or with cyclones which accomplish a partial recirculation of the medium, e.g. by means of conduits</text></title-part></class-title></classification-item></classification-item></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B04C7/00" definition-exists="true" ipc-concordant="B04C7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus not provided for in group <class-ref scheme="cpc">B04C1/00</class-ref>, <class-ref scheme="cpc">B04C3/00</class-ref>, or <class-ref scheme="cpc">B04C5/00</class-ref></text></title-part><title-part><text>Multiple arrangements not provided for in one of the groups <class-ref scheme="cpc">B04C1/00</class-ref>, <class-ref scheme="cpc">B04C3/00</class-ref>, or <class-ref scheme="cpc">B04C5/00</class-ref></text></title-part><title-part><text>Combinations of apparatus covered by two or more of the groups <class-ref scheme="cpc">B04C1/00</class-ref>, <class-ref scheme="cpc">B04C3/00</class-ref>, or <class-ref scheme="cpc">B04C5/00</class-ref></text></title-part></class-title></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B04C9/00" definition-exists="true" ipc-concordant="B04C9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C9/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Combinations with other devices, e.g. fans, </text><CPC-specific-text><text>expansion chambers, diffusors, water locks</text></CPC-specific-text><reference><text>with filters <class-ref scheme="cpc">B01D50/00</class-ref></text></reference></title-part></class-title>
|
|
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B04C9/001" definition-exists="false" ipc-concordant="B04C9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C2009/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for electrostatic separation</text></CPC-specific-text></title-part></class-title></classification-item>
|
|
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B04C9/002" definition-exists="false" ipc-concordant="B04C9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C2009/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with external filters</text></CPC-specific-text></title-part></class-title></classification-item>
|
|
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B04C9/004" definition-exists="false" ipc-concordant="B04C9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C2009/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with internal filters, in the cyclone chamber or in the vortex finder</text></CPC-specific-text></title-part></class-title></classification-item>
|
|
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B04C9/005" definition-exists="false" ipc-concordant="B04C9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C2009/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with external rotors, e.g. impeller, ventilator, fan, blower, pump</text></CPC-specific-text></title-part></class-title></classification-item>
|
|
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B04C9/007" definition-exists="false" ipc-concordant="B04C9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C2009/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with internal rotors, e.g. impeller, ventilator, fan, blower, pump</text></CPC-specific-text></title-part></class-title></classification-item>
|
|
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B04C9/008" definition-exists="false" ipc-concordant="B04C9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B04C2009/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with injection or suction of gas or liquid into the cyclone</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B04C11/00" definition-exists="true" ipc-concordant="B04C11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>B04C11/00</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>Accessories, e.g. safety or control devices, not otherwise provided for </text><CPC-specific-text><text>, e.g. regulators, valves in inlet or overflow ducting</text></CPC-specific-text><reference><text>with electrostatic precipitating arrangements <class-ref scheme="cpc">B03C3/14</class-ref></text></reference></title-part></class-title></classification-item></classification-item></classification-item></class-scheme> |