Patents
Sitemap › F25 - Refrigeration or cooling; Combined heating and refrigeration systems; Heat pump systems; Manufacture or storage of ice; Liquefaction or solidification of gases › F25B - Refrigeration machines, plants, or systems; Combined heating and refrigeration systems; Heat pump systems › F25B 30 - Heat pumps
Patents for F25B 30 - Heat pumps (6,899)
11/2003
11/20/2003US20030213256 Refrigeration cycle apparatus
11/19/2003CN1456854A Controller of gas heat pump hot and cold water supply system
11/19/2003CN1456853A Condensing system of refrigerator
11/19/2003CN1456852A Heat pump combined system with marsh gas as power source for heating and cooling
11/19/2003CN1128316C Cold and heat accumulation type air conditioner with heat pump
11/12/2003CN1455214A Refrigerating circulation apparatus
11/05/2003CN1453530A Cold and/or heat supplying compressor system
11/05/2003CN1453529A Dissolving and heat absorbing chemical heat pump
11/05/2003CN1453516A Solar energy heat pump air conditioning system and solar energy plus air source heat pump air conditioning system
11/05/2003CN1453512A Refrigerating & heating apparatus
10/2003
10/30/2003US20030203276 Johnson reversible engine
10/29/2003CN1451935A Compound air-cooled heat pump set
10/29/2003CN1451930A Snow melting device using geothermal energy
10/29/2003CN1451914A Air conditioning device with floor heating function
10/23/2003WO2003087682A1 Solid substance sorption heat pump
10/22/2003CN1125299C Directly expanding solar heat-pump water heater
10/21/2003US6634183 Chemical heat pump
10/21/2003US6634180 System and method for defrost termination feedback
10/15/2003CN1449590A Johnson reversible engine
10/15/2003CN1448672A 热泵系统 Heat pump system
10/15/2003CN1124459C Refrigerant channel reversing arrangement for air conditioner with functions of refrigerating and heating
10/09/2003US20030188544 Heat pump device
10/08/2003CN2578754Y Heat absorbing cabinet as thermal source
10/01/2003CN2577169Y Cold-air recovering-utilizing apparatus of air-source heat-pump evaporator
10/01/2003CN1445485A Heat pump type hot-water supply apparatus
09/2003
09/25/2003US20030178498 Heat pump hot-water supply system
09/24/2003EP1346184A1 Heat exchanger
09/24/2003CN1122167C Changing-over valve, fluid compressor and heat pump type refrigerating circulation system
09/24/2003CN1122166C Domestic solar heater
09/24/2003CN1122155C Well type liquid cold and hot source system
09/17/2003CN1442658A Heat pump machine set capable of using sea water source
09/12/2003WO2003074953A1 Heat pump system
09/12/2003WO2003074952A1 Device for generating thermal energy by utilizing latent heat of water and heat exchanger suitable for said purpose
09/12/2003WO2003074941A1 Heat exchanger and device for recovering the thermal energy stored in the wastewater of a building
09/10/2003CN2572306Y Low-temp. heat generating structure for heat-pump air conditioner
09/09/2003US6615602 Heat pump with supplemental heat source
09/09/2003US6615601 Sealed well direct expansion heating and cooling system
09/04/2003WO2003073020A1 Method for operating a heat pump, and heat pump for carrying out this method
09/03/2003CN2570706Y Overlapping type hyperthermal water source heat pump apparatus
08/2003
08/27/2003EP1337793A1 Reversible system for recuperating heat energy
08/27/2003CN2569053Y Composite ground source heat pump air conditioning unit
08/27/2003CN2569052Y Direct heat exchanging liquid state cool/heat source appts.
08/27/2003CN2569051Y Splitting solar heat pump system
08/27/2003CN2569050Y Solar heat pump cooling/heating system
08/21/2003WO2003069240A1 A combined heating and cooling circuit
08/21/2003WO2003069239A1 Plant for tempering of a building
08/21/2003WO2003069236A1 Heat pump water heater
08/20/2003CN2567527Y Solar cold tube of cold output from one end and heat output from another end
08/20/2003CN1436977A Air conditioner
08/13/2003CN1117957C Air conditioner and refrigerant preheater outlet temp. control method
08/13/2003CN1117953C 空调机 Air conditioners
08/12/2003US6604577 Geothermal heat pump cleaning control system and method
08/12/2003US6604376 Heat pump using treated water effluent
08/07/2003WO2003064942A1 Heat pump type water heater
08/07/2003WO2003064935A1 Heat pump type water heater
08/06/2003EP0824659B1 Heat pump system and method for air-conditioning
08/06/2003CN1117255C Liquid-liquid cold/heat source apparatus
07/2003
07/31/2003DE20300026U1 Spiral collector consists of a number of spiral probes composed polyethylene tubes, located on plastic rail sections
07/30/2003CN2563521Y Reinjection type underground water source heat pump
07/23/2003CN2562143Y Heat pump type solar water heaters
07/23/2003CN2562142Y Heat pump central heat suppliers
07/23/2003CN2562137Y Parallel heat pump set of compressor set
07/23/2003CN2562113Y Multifunctional assembled air cooling heat pump central air conditioner set
07/23/2003CN1431439A Double stage compresses hot pump in low temp system and its equipment
07/17/2003US20030131623 Heat pump using phase change materials
07/17/2003DE20304946U1 A method for dividing a single boiler heat exchanger into high and low temperature outputs has a dividing wall making burner and hot gas heated sections.
07/16/2003CN2560905Y Temp.-differential-changeable evaporating water-source heat-pump apparatus
07/16/2003CN2560886Y Heat-accumulating type wind-cooling heat-pump water-cooling-heating integrated system
07/10/2003US20030127213 Heat exchanging device having heat exchanging housing
07/02/2003CN1113201C Thermal pump
07/01/2003US6585036 Energy systems
06/2003
06/26/2003US20030116637 Heat pump defrost control
06/25/2003CN1425888A Direct evaporation type energy accumulatiing heat pump air conditioner
06/19/2003WO2003050457A1 Energy efficient heat pump systems for water heating and air conditioning
06/19/2003CA2467058A1 Energy efficient heat pump systems for water heating and air conditioning
06/11/2003EP1318364A2 System and method for defrost termination feedback
06/11/2003CN1423100A System and method for defrosting stop feed-back
06/11/2003CN1423098A Cooling-heating air-conditioner system
06/10/2003US6574977 Heat pump cycle
06/05/2003US20030101738 System and method for defrost termination feedback
06/04/2003CN1421663A Central air conditioning system at terminal of geothermal heat pump radiation
06/04/2003CN1421662A Air conditioner system equiped with refrigerant heating device
06/04/2003CN1421649A Fresh air supplying central air conditioning system utilizing terrestrial heat for radiating cool and heat supply
06/04/2003CN1421646A Absorbing heat pump heating equipment to utilize fume afterheat of gas-burning steam-circulating heat and power plant
06/04/2003CN1421645A Absorbing heat pump heating equipment to recover fume afterheat of gas-burning steam-circulating heat and power plant
05/2003
05/30/2003WO2003044437A1 Heat-pump type hot water generator
05/30/2003WO2003012348A3 Geothermal space conditioning
05/28/2003EP1314214A1 Johnson reversible engine
05/28/2003CN2553312Y Semi-closed screw multiple heat sources heat pump set
05/27/2003US6568196 Air conditioner
05/22/2003WO2003042605A1 Freezer
05/22/2003WO2003042600A1 Climate control installation
05/22/2003CA2461458A1 Climate control installation
05/21/2003EP1312878A1 Well water type liquid cooling and heating resource system
05/21/2003CN2551930Y Energy storage split-air conditioner
05/21/2003CN1419083A Cold/heat air conditioning design project for supper high-rise building having no need of water medium regulation control method thereof
05/15/2003CA2411823A1 Heat pump defrost control
05/14/2003CN2550697Y Solar energy heat storage water source heat pump device
05/14/2003CN2550696Y Heat pump heat supply system using oil fied waste heat
05/14/2003CN1417527A 改进的水加热器 Improved water heater
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