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 29 - Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
Patents for F25B 29 - Combined heating and refrigeration systems, e.g. operating alternately or simultaneously (6,502)
02/2004
02/19/2004US20040031278 Cooling device with subcooling system
02/18/2004CN1475703A Air Conditioner having hot/cold water producing device
02/11/2004CN1474922A Phase-Change heat transfer coupling for aqua-ammonia absoirption systems
02/11/2004CN1138111C System for recovering afterheat of waste liquid and preparing high-temp. liquid
02/05/2004US20040020230 Heat pump
02/03/2004US6684658 Vapor-compression evaporative air conditioning systems and components
01/2004
01/15/2004WO2004005811A1 Refrigeration equipment
01/15/2004DE10229090A1 Verfahren und Vorrichtung zur Erzeugung von Kälte und Wärme Method and apparatus for the generation of cold and heat
01/13/2004US6675608 Absorption cold or hot water generating machine
01/08/2004US20040003609 Efficient water source heat pump with hot gas reheat
01/06/2004US6672082 Heat pump and dehumidifying device
12/2003
12/31/2003CN1464963A Heat pump
12/30/2003US6668572 Air conditioner having hot/cold water producing device
12/24/2003WO2003106900A1 Method for control of a carnot cycle process and plant for carrying out the same
12/23/2003US6666040 Efficient water source heat pump with hot gas reheat
12/23/2003US6666037 Absorption refrigerator control method
12/18/2003WO2003104727A1 Heat pump and dehumidifying air conditioner
12/18/2003US20030230096 Multi-unit air conditioner and method for controlling the same
12/17/2003EP1371914A1 Multi-unit air conditioner and method for controlling the same
12/17/2003EP1370813A2 Hydristor heat pump
12/17/2003EP1370809A1 Heat pump and dehumidifying air-conditioning apparatus
12/10/2003CN1130312C Evaporative concentration apparatus for waste water
12/09/2003US6658883 Insulation system for a refrigerator/freezer unit
12/03/2003CN1129753C Absorption heat pump and desiccant assisted air conditioning apparatus
11/2003
11/27/2003US20030217840 Rapid thermal cycling device
11/25/2003CA2113381C Fast changing heating-cooling device and method
11/12/2003EP1361398A1 Indoor unit for air conditioner
11/12/2003EP0855562B1 Air conditioner
11/05/2003CN1453530A Cold and/or heat supplying compressor system
11/05/2003CN1126920C Multi-layer air conditioner
10/2003
10/29/2003EP1101070B1 Vapor-compression evaporative air conditioning system
10/29/2003CN1451914A Air conditioning device with floor heating function
10/23/2003WO2003087683A1 Dehumidifying method
10/14/2003US6631624 Phase-change heat transfer coupling for aqua-ammonia absorption systems
10/01/2003EP1348920A2 Heat pump for simultaneously cooling and heating
09/2003
09/17/2003EP1344996A1 Apparatus and method for cooling of snow
09/12/2003WO2003074305A2 Air conditioner
09/10/2003CN1441203A 空调机 Air conditioners
09/03/2003CN2570708Y Indoor air conditioning system
09/03/2003CN1120336C High latent cool refrigerant control circuit for air conditioning system
09/02/2003US6612117 Hydristor heat pump
08/2003
08/27/2003CN1438464A Heat-accumulating type water-heatingÒÇüwater-cooling machine group using air heat energy
08/27/2003CN1119589C Absorption-type refrigerator
08/21/2003WO2003069240A1 A combined heating and cooling circuit
08/14/2003WO2003067160A1 Humidity conditioning device
08/13/2003CN1117961C Air conditioning system
08/06/2003EP1332323A1 Phase-change heat transfer coupling for aqua-ammonia absorption systems
07/2003
07/30/2003CN1432775A Air conditioner with injector circulation system
07/29/2003US6598415 Absorption type cooling and heating apparatus
07/22/2003US6595015 Air conditioning systems
07/17/2003WO2003057310A2 Liquid sample processing apparatus and method
07/17/2003US20030131611 Air conditioner with ejector cycle system
07/16/2003EP1327838A2 Air conditioner with ejector cycle system
07/16/2003CN1430030A Heat pump air conditioner
07/03/2003WO2003053726A1 Construction and control of an air-conditioning system for a motor vehicle
06/2003
06/25/2003EP1321727A2 Heat pump type 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
06/18/2003CN1111692C Refrigerating plant
06/12/2003WO2003048659A1 Absorption heat-transfer system
06/11/2003CN1423098A Cooling-heating air-conditioner system
06/11/2003CN1111269C Solar water-heater refrigerator composite machine
06/10/2003US6574987 Ejector cycle system with critical refrigerant pressure
06/10/2003US6574976 Refrigerant cycle system and valve device for the same
05/2003
05/28/2003CN1109855C Heat transfer apparatus
05/22/2003WO2003042600A1 Climate control installation
05/22/2003CA2461458A1 Climate control installation
05/08/2003WO2003038345A1 Air conditioner
04/2003
04/29/2003CA2114521C Dual-temperature heat pump apparatus and system
04/03/2003WO2003027584A1 Air conditioner
04/01/2003US6539728 Hybrid heat pump
03/2003
03/27/2003US20030057165 Vaporization-condensation process using the refrigerant cycle (heat pump) for energy recycling, with heat absorption/ rejection capacity maximized to minimize installed power by controlling operating pressure
03/25/2003US6536677 Automation and control of solar air conditioning systems
03/12/2003EP1291587A2 Heat transfer device
02/2003
02/27/2003WO2002066906A3 Hydristor heat pump
02/13/2003WO2003012349A1 Operating method for a heat pump
02/12/2003CN1396423A Absorption-type cold-hot water dispenser
02/06/2003WO2003010473A1 Heat pump comprising a safety ventilation device
02/05/2003CN2533756Y Semiconductor milk turnover fresh-keeping box
01/2003
01/23/2003US20030015317 Method and system for storm water system heat exchange
01/22/2003CN1099554C Multiroom air conditioner and driving method thereof
01/21/2003CA2110106C Air conditioning and refrigeration apparatus utilizing a cryogen
01/21/2003CA2110105C Air conditioning and refrigeration systems utilizing a cryogen
01/16/2003WO2003004947A1 Heat pump
01/16/2003US20030010049 Absorption cold or hot water generating machine
01/15/2003EP1275915A2 Absorption cold or hot water generating machine
01/08/2003CN1390293A Heat pump and dehumidifying device
01/08/2003CN1389695A COntrol method of absorption refrigerating machine
01/07/2003US6502412 Refrigeration system with modulated condensing loops
12/2002
12/12/2002WO2002099343A1 Refrigerating device
12/12/2002US20020184903 Ejector cycle system with critical refrigerant pressure
12/11/2002CN1384910A Air conditioner
12/10/2002CA2140179C Two mop expansion valves, one pressure setting for heating mode and one for cooling mode
12/05/2002US20020178739 Absorption refrigerator control method
12/04/2002EP1262722A2 A refrigeration plant
12/04/2002CN1382945A 空调机 Air conditioners
12/03/2002CA2140192C Combined oil return and compressor discharge temperature limitation regarding flooded economizer heat exchanger
11/2002
11/19/2002US6481213 Personal thermal comfort system using thermal storage
11/12/2002US6477857 Ejector cycle system with critical refrigerant pressure
11/12/2002US6477850 Air conditioner
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