F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMSDOMESTIC HOT-WATER SUPPLY SYSTEMSELEMENTS OR COMPONENTS THEREFOR using steam or condensate extracted or exhausted from steam engine plants for heating purposes F01K17/02In this subclass, the following expression is used with the meaning indicated: "Central heating system" means a system in which heat is generated or stored at central sources and is distributed by means of a transfer fluid to the spaces or areas to be heated. 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. F24D1/00Central Heating Systems F24D1/00Steam central heating systems district heating systems F24D10/00; central heating systems using heat accumulated in storage masses F24D11/00 F24D1/005in combination with systems for domestic water supply F24D1/02operating with live steam F24D1/005 takes precedence F24D1/04operating with exhaust steam F24D1/005 takes precedence F24D1/06operating with superheated steam F24D1/005 takes precedence F24D1/08Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks F24D3/00Hot-water central heating systems district heating systems F24D10/00; central heating systems using heat accumulated in storage masses F24D11/00 F24D3/005combined with solar energy solar heat collectors per se F24S F24D3/02with forced circulation, e.g. by pumps pump constructions F04 F24D3/04with the water under high pressure F24D3/06Arrangements or devices for maintaining high pressure F24D3/08in combination with systems for domestic hot-water supply F24D3/082Hot water storage tanks specially adapted therefor F24D3/085Double-walled tanks F24D3/087Tap water heat exchangers specially adapted therefore F24D3/10Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks Hydraulic components of a central heating system F24D3/1008expansion tanks F24D3/1016Tanks having a bladder F24D3/1025Compressor controlled pressure heads F24D3/1033with compressed gas cylinder F24D3/1041Flow-through F24D3/105pumps combined with multiple way valves F24D3/1058disposition of pipes and pipe connections F24D3/1066Distributors for heating liquids F24D3/1075Built up from modules F24D3/1083Filling valves or arrangements for filling F24D3/1091Mixing cylinders F24D3/12Tube and panel arrangements for ceiling, wall, or underfloor heating electric underfloor heating F24D13/02 F24D3/122Details F24D3/125Hydraulic pipe connections F24D3/127Mechanical connections between panels F24D3/14incorporated in a ceiling, wall or floor F24D3/141Tube mountings specially adapted therefor F24D3/142integrated in prefab construction elements F24D3/143Tube clips with barbed anchors F24D3/144Clips for fastening heating tubes on a reinforcement net or mesh, e.g. mesh for concrete reinforcement F24D3/145Convecting elements concealed in wall or floor F24D3/146Tubes specially adapted for underfloor heating F24D3/147arranged in facades F24D3/148with heat spreading plates F24D3/149Tube-laying devices F24D3/16mounted on, or adjacent to, a ceiling, wall or floor F24D3/165Suspended radiant heating ceiling F24D3/18using heat pumps F24D5/00Hot-air central heating systems district heating systems F24D10/00; central heating systems using heat accumulated in storage masses F24D11/00; air conditioning F24FExhaust gas central heating systems F24D5/005combined with solar energy F24D5/02operating with discharge of hot air into the space or area to be heated F24D5/04with return of the air or the air-heater F24D5/06operating without discharge of hot air into the space or area to be heated F24D5/08with hot air led through radiators F24D5/10with hot air led through heat-exchange ducts in the walls, floor or ceiling F24D5/12using heat pumps F24D7/00Central heating systems employing heat-transfer fluids not covered by groups F24D1/00 - F24D5/00, e.g. oil, salt or gas district heating systems F24D10/00; central heating systems using heat accumulated in storage masses F24D11/00 F24D9/00Central heating systems employing combinations of heat transfer fluids covered by two or more of groups F24D1/00 - F24D7/00 district heating systems F24D10/00; central heating systems using heat accumulated in storage masses F24D11/00 F24D9/02Hot water and steam systems F24D10/00District heating systems F24D10/003Domestic delivery stations having a heat exchanger F24D10/006Direct domestic delivery stations F24D11/00Central heating systems using heat accumulated in storage masses self-contained storage heating units F24D15/02 F24D11/001district heating system F24D11/002water heating system F24D11/003combined with solar energy F24D11/004with conventional supplementary heat source F24D11/005with recuperation of waste heat F24D11/006air heating system F24D11/007combined with solar energy F24D11/008with conventional supplementary heat source F24D11/009with recuperation of waste heat F24D11/02using heat pumps F24D11/0207district heating system F24D11/0214water heating system F24D11/0221combined with solar energy F24D11/0228combined with conventional heater F24D11/0235with recuperation of waste energy F24D11/0242contained in exhausted air F24D11/025contained in waste water F24D11/0257air heating system F24D11/0264combined with solar energy F24D11/0271combined with conventional energy F24D11/0278with recuperation of waste energy F24D11/0285contained in exhausted air F24D11/0292contained in waste water F24D12/00Other central heating systems F24D12/02having more than one heat source using heat pumps, in water central heating systems F24D3/18; in air central heating systems F24D5/12; in systems using heat storage masses F24D11/02 F24D13/00Other domestic- or space-heating systems F24D13/00Electric heating systems F24D13/02solely using resistance heating, e.g. underfloor heating F24D13/022resistances incorporated in construction elements F24D13/024in walls, floors, ceilings F24D13/026in door, windows F24D13/028Glass panels, e.g. mirrors, design radiators, etc. F24D13/04using electric heating of heat-transfer fluid in separate units of the system F24D15/00Other domestic- or space-heating systems F24D15/02consisting of self-contained heating units, e.g. storage heaters F24D15/04using heat pumps F24D17/00Domestic hot-water supply systems F24D17/0005using recuperation of waste heat F24D17/0036 takes precedence F24D17/001with accumulation of heated water F24D17/0015using solar energy F24D17/0036 takes precedence F24D17/0021with accumulation of the heated water F24D17/0026with conventional heating means F24D17/0036 takes precedence F24D17/0031with accumulation of the heated water F24D17/0036with combination of different kinds of heating means F24D17/0042recuperated waste heat and solar energy F24D17/0047with accumulation of the heated water F24D17/0052recuperated waste heat and conventional heating means F24D17/0057with accumulation of the heated water F24D17/0063solar energy and conventional heaters F24D17/0068with accumulation of the heated water F24D17/0073Arrangements for preventing the occurrence or proliferation of microorganisms in the water F24D17/0078Recirculation systems F24D17/0084Coaxial tubings F24D17/0089Additional heating means, e.g. electric heated buffer tanks or electric continuous flow heaters, located close to the consumer, e.g. directly before the water taps in bathrooms, in domestic hot water lines F24D17/0094Recovering of cold water F24D17/02using heat pumps F24D18/00Small-scale combined heat and power [CHP] generation systems specially adapted for domestic heating, space heating or domestic hot-water supplyIn this group, it is desirable to add the indexing codes of groups F24D2101/00 - F24D2105/00.Group F24D18/00 is incomplete pending reclassification of documents from groups F24H2240/00, F24H2240/01, F24H2240/02, F24H2240/04, F24H2240/06, F24H2240/08, F24H2240/09, F24H2240/10, F24H2240/12, F24H2240/122, F24H2240/125 and F24H2240/127.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/00Details of water or air heaters F24H9/00; of heat-exchange or heat-transfer apparatus, of general application F28F F24D19/0002Means for connecting central heating radiators to circulation pipes F24D19/0004In a one pipe system F24D19/0007Comprising regulation means F24D19/0009In a two pipe system F24D19/0012Comprising regulation means F24D19/0014Connection means adaptable for one and two pipe systems F24D19/0017Connections between supply and inlet or outlet of central heating radiators F24D19/0019Means for adapting connections F24D19/0021Flexible tubes or hoses F24D19/0024Connections for plate radiators F24D19/0026Places of the inlet on the radiator F24D19/0029on a top corner F24D19/0031on the top in the middle F24D19/0034on a bottom corner F24D19/0036on the bottom in the middle F24D19/0039Places of the outlet on the radiator F24D19/0041on the top in the middle F24D19/0043on the opposite top corner F24D19/0046on the top on the same side F24D19/0048on the bottom in the middle F24D19/0051on the bottom on the opposite corner F24D19/0053on the bottom on the same side F24D19/0056Supplies from the central heating system F24D19/0058coming out the floor F24D19/006Alongside the radiator F24D19/0063under the radiator F24D19/0065coming out the wall F24D19/0068alongside the radiator F24D19/007under the radiator F24D19/0073Means for changing the flow of the fluid inside a radiator F24D19/0075Valves for isolating the radiator from the system F24D19/0078Plugs F24D19/008Details related to central heating radiators F24D19/0082Humidifiers for radiators F24D19/0085Fresh air entries for air entering the room to be heated by the radiator F24D19/0087Fan arrangements for forced convection F24D19/009Magnets, e.g. for attaching a cover F24D19/0092Devices for preventing or removing corrosion, slime or scale F24D19/0095Devices for preventing damage by freezing F24D19/0097Casings or frame structures for hydraulic components F24D19/02Arrangement of mountings or supports for radiators F24D19/0203Types of supporting means F24D19/0206Tube shaped supports inserted into a wall F24D19/0209Supporting means having bracket F24D19/0213Floor mounted supporting means F24D19/0216Supporting means having a rail F24D19/022Constructional details of supporting means for radiators F24D19/0223Distance pieces between the radiator and the wall F24D19/0226Additional means supporting the process of mounting F24D19/023Radiators having fixed suspension means for connecting the radiator to the support means F24D19/0233Templates for installing the radiator F24D19/0236Water tubes or pipes forming part of the supporting means F24D19/024Functioning details of supporting means for radiators F24D19/0243Means for moving the radiator horizontally to adjust the radiator position F24D19/0246Means for moving the radiator vertically to adjust the radiator position F24D19/025Eccentric means for moving the radiator vertically F24D19/0253Adjusting a dimension, e.g. length, of the radiator support, e.g. telescopic rails F24D19/0256Radiators clamped by supporting means F24D19/0259Radiators clamped by supporting means around a column or tube F24D19/0263Radiators clamped by supporting means between two columns or tubes F24D19/0273Radiators fixed in order to prevent undesired detachment F24D19/0276Radiators fixed on the bottom F24D19/0279Radiators fixed on the sides F24D19/0283Radiators fixed on the top F24D19/0286Radiators fixed using a spring F24D19/0289Radiators fixed using a flexible clip F24D19/0293Radiators rotating without being demounted F24D19/04in skirtings F24D19/06Casings, cover lids or ornamental panels, for radiators F24D19/061Radiator shelves F24D19/062Heat reflecting or insulating shields F24D19/064Coverings not directly attached to a radiator, e.g. box-like coverings F24D19/065Grids attached to the radiator and covering its top F24D19/067Front coverings attached to the radiator F24D19/068Side coverings attached to the radiator F24D19/08Arrangements for drainage, venting or aerating valves for venting or aerating F16K24/00 F24D19/081for steam heating systems F24D19/082for water heating systems F24D19/083Venting arrangements F24D19/085Arrangement of venting valves for central heating radiators F24D19/086hand-operated F24D19/087automatic F24D19/088Draining arrangements F24D19/10Arrangement or mounting of control or safety devices only the heater being controlled F24H9/20Group F24D19/10 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1003for steam heating systemsGroup F24D19/1003 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1006for water heating systemsGroup F24D19/1006 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1009for central heatingGroup F24D19/1009 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1012by regulating the speed of a pumpGroup F24D19/1012 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1015using a valve or valvesGroup F24D19/1015 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1018Radiator valvesGroup F24D19/1018 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1021a by pass valveGroup F24D19/1021 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1024a multiple way valveGroup F24D19/1024 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1027hand operatedGroup F24D19/1027 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/103bimetal operatedGroup F24D19/103 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1033motor operatedGroup F24D19/1033 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1036Having differential pressure measurement facilitiesGroup F24D19/1036 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1039the system uses a heat pumpGroup F24D19/1039 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1042the system uses solar energyGroup F24D19/1042 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1045the system uses a heat pump and solar energyGroup F24D19/1045 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1048Counting of energy consumptionGroup F24D19/1048 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1051for domestic hot waterGroup F24D19/1051 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1054the system uses a heat pumpGroup F24D19/1054 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1057the system uses solar energyGroup F24D19/1057 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/106the system uses a heat pump and solar energyGroup F24D19/106 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1063counting of energy consumptionGroup F24D19/1063 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1066for the combination of central heating and domestic hot waterGroup F24D19/1066 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1069regulation in function of the temperature of the domestic hot waterGroup F24D19/1069 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1072the system uses a heat pumpGroup F24D19/1072 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1075the system uses solar energyGroup F24D19/1075 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1078the system uses a heat pump and solar energyGroup F24D19/1078 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1081counting of energy consumptionGroup F24D19/1081 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1084for air heating systemsGroup F24D19/1084 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1087system using a heat pumpGroup F24D19/1087 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/109system using solar energyGroup F24D19/109 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1093system using a heat pump and solar energyGroup F24D19/1093 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D19/1096for electric heating systemsGroup F24D19/1096 is impacted by reclassification into groups F24H15/00 - F24H15/493.
All groups listed in this Warning should be considered in order to perform a complete search. F24D2101/00Indexing scheme associated with group F24D18/00, relating to electric generators, thermal aspects and constructional aspects of small-scale combined heat and power [CHP] systems F24D2101/00Electric generators of small-scale CHP systemsGroups F24D2101/00 - F24D2101/80 are incomplete pending reclassification of documents from groups F24H2240/00, F24H2240/01, F24H2240/02, F24H2240/04, F24H2240/06, F24H2240/08, F24H2240/09, F24H2240/10, F24H2240/12, F24H2240/122, F24H2240/125 and F24H2240/127.
All groups listed in this Warning should be considered in order to perform a complete search. F24D2101/10Gas turbinesSteam engines or steam turbinesWater turbines, e.g. located in water pipes F24D2101/20Wind turbines F24D2101/30Fuel cells F24D2101/40Photovoltaic [PV] modules F24D2101/50Thermophotovoltaic [TPV] modules F24D2101/60Thermoelectric generators, e.g. Peltier or Seebeck elements F24D2101/70Electric generators driven by internal combustion engines [ICE] F24D2101/80Electric generators driven by external combustion engines, e.g. Stirling engines F24D2103/00Thermal aspects of small-scale CHP systemsGroups F24D2103/00 - F24D2103/20 are incomplete pending reclassification of documents from groups F24H2240/00, F24H2240/01, F24H2240/02, F24H2240/04, F24H2240/06, F24H2240/08, F24H2240/09, F24H2240/10, F24H2240/12, F24H2240/122, F24H2240/125 and F24H2240/127.
All groups listed in this Warning should be considered in order to perform a complete search. F24D2103/10Small-scale CHP systems characterised by their heat recovery units F24D2103/13characterised by their heat exchangers F24D2103/17Storage tanks F24D2103/20Additional heat sources for supporting thermal peak loads F24D2105/00Constructional aspects of small-scale CHP systemsGroups F24D2105/00 and F24D2105/10 are incomplete pending reclassification of documents from groups F24H2240/00, F24H2240/01, F24H2240/02, F24H2240/04, F24H2240/06, F24H2240/08, F24H2240/09, F24H2240/10, F24H2240/12, F24H2240/122, F24H2240/125 and F24H2240/127.
All groups listed in this Warning should be considered in order to perform a complete search. F24D2105/10Sound insulation F24D2200/00 F24D2200/00Heat sources or energy sources F24D2200/02Photovoltaic energy F24D2200/04Gas or oil fired boiler F24D2200/043More than one gas or oil fired boiler F24D2200/046Condensing boilers F24D2200/06Solid fuel fired boiler F24D2200/062Coal fired boilers F24D2200/065Wood fired boilers F24D2200/067Pellet fired boilers F24D2200/07Solid fuel burners F24D2200/08Electric heater F24D2200/10Fire place F24D2200/11Geothermal energy F24D2200/115Involving mains water supply F24D2200/12Heat pump F24D2200/123Compression type heat pumps F24D2200/126Absorption type heat pumps F24D2200/13Heat from a district heating network F24D2200/14Solar energy F24D2200/15Wind energy F24D2200/16Waste heat F24D2200/18Flue gas recuperation F24D2200/19Fuel cells F24D2200/20Sewage water F24D2200/22Ventilation air F24D2200/24Refrigeration F24D2200/26Internal combustion engine F24D2200/28Biological processes F24D2200/29Electrical devices, e.g. computers, servers F24D2200/30Friction F24D2200/31Air conditioning systems F24D2200/32involving multiple heat sources in combination or as alternative heat sources F24D2220/00Central Heating Systems F24D2220/00Components of central heating installations excluding heat sources F24D2220/003Generic central heating systems F24D2220/006Parts of a building integrally forming part of heating systems, e.g. a wall as a heat storing mass F24D2220/02Fluid distribution means F24D2220/0207Pumps F24D2220/0214Inlets or outlets F24D2220/0221Mixing cylinders F24D2220/0228Branched distribution conduits F24D2220/0235Three-way-valves F24D2220/0242Multiple way valves F24D2220/025Check valves F24D2220/0257Thermostatic valves F24D2220/0264Hydraulic balancing valves F24D2220/0271Valves F24D2220/0278Expansion vessels F24D2220/0285Pipe sections F24D2220/0292Fluid distribution networks F24D2220/04Sensors F24D2220/042Temperature sensors F24D2220/044Flow sensors F24D2220/046Pressure sensors F24D2220/048Level sensors, e.g. water level sensors F24D2220/06Heat exchangers F24D2220/07Heat pipes F24D2220/08Storage tanks F24D2220/10Heat storage materials, e.g. phase change materials or static water enclosed in a space F24D2220/20Heat consumers F24D2220/2009Radiators F24D2220/2018Column radiators having vertically extending tubes F24D2220/2027Convectors (radiators wherein heat transfer mainly takes place by convection) F24D2220/2036Electric radiators F24D2220/2045Radiators having horizontally extending tubes F24D2220/2054Panel radiators with or without extended convection surfaces F24D2220/2063Central heating radiators having heat storage material incorporated F24D2220/2072Radiators being skirting boards between floor and wall or ledges between wall and ceiling F24D2220/2081Floor or wall heating panels F24D2220/209Sanitary water taps F24D2240/00Characterizing positions, e.g. of sensors, inlets, outlets F24D2240/10Placed within or inside of F24D2240/12Placed outside of F24D2240/20Placed at top position F24D2240/22Placed at bottom position F24D2240/24Placed at centre position F24D2240/243Vertically centred F24D2240/246Horizontally centred F24D2240/26Vertically distributed at fixed positions, e.g. multiple sensors distributed over the height of a tank, or a vertical inlet distribution pipe having a plurality of orifices F24D2240/28Horizontally distributed at fixed positions F24D2240/30At vertical variable positions, e.g. a movable inlet pipe within a tank F24D2240/32At horizontal variable positions