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 13 - Compression machines, plant, or systems, with reversible cycle
Patents for F25B 13 - Compression machines, plant, or systems, with reversible cycle (6,597)
06/2000
06/15/2000DE19861020C1 Ventilation arrangement for buildings extracts heat from outlet air directed out of building or from air fed into building using heat pump with coolant or water heat transfer device
06/13/2000US6073459 Refrigeration cycle control system
06/08/2000WO2000033002A1 Refrigerator
06/08/2000WO2000032994A1 Ventilation arrangement for buildings
06/06/2000US6070420 Variable refrigerant, intrastage compression heat pump
05/2000
05/24/2000CN1254410A Piping washing method and piping washing apparatus for refrigerating apparatus
05/24/2000CN1254080A 空调器 Air Conditioner
05/23/2000US6065302 Heat transport system
05/23/2000US6065298 Air conditioner automatically controlling operation based on supply voltage or supply frequency
05/16/2000US6062035 Air conditioner
05/09/2000US6058719 Heat pump apparatus having refrigerant level indication and associated methods
04/2000
04/18/2000US6050102 Heat pump type air conditioning apparatus
04/12/2000EP0992748A2 Air conditioning systems
04/12/2000EP0992747A2 Air conditioning systems
04/12/2000EP0992746A2 Air conditioning system
04/12/2000EP0992745A2 Air conditioning systems
04/12/2000CN1250515A 空调器 Air Conditioner
04/06/2000WO2000019157A1 Two-refrigerant refrigerating device
04/06/2000WO2000019155A1 Refrigerator
04/04/2000US6044653 Automotive air conditioner having condenser and evaporator provided within air duct
04/04/2000US6044652 Multi-room type air-conditioner
03/2000
03/29/2000EP0989003A2 Heat pump type refrigerant cycle system
03/28/2000US6041613 Energy conserving heat pump system
03/22/2000EP0987502A2 Ice thermal storage type air conditioner and ice thermal storage tank
03/22/2000EP0987501A2 Air conditioner
03/21/2000US6038873 Air conditioner capable of controlling an amount of bypassed refrigerant according to a temperature of circulating refrigerant
03/21/2000CA2073337C Method and device in closed heating plants
03/15/2000CN1247598A Air conditioners using inflammable refrigerant
03/14/2000US6035658 Air conditioning system for a motor vehicle
03/14/2000CA2282127A1 Air conditioner
03/07/2000US6032473 Refrigerant circulating system
03/02/2000WO2000011418A1 Refrigerating machine having gas injection circuit and gas-liquid separator
03/02/2000WO2000011417A1 Double-tube type heat exchanger and refrigerating machine using the heat exchanger
03/02/2000WO2000010824A1 Air conditioner for vehicle
03/02/2000DE19939028A1 Heat pump circulation system for selective adjusting of cooling and heating operation for passenger compartment, has compressor and housing for supplying air to passenger and has exchangers and changeover units
03/01/2000CN1049969C Air conditioner
02/2000
02/29/2000US6029464 Dehumidifying apparatus of air conditioner and control method thereof
02/16/2000EP0979855A1 Method for filling mixed refrigerant
02/09/2000CN1244247A Refrigerator and method of filling in with coolant
02/03/2000WO2000005542A1 Refrigerating device
02/02/2000EP0976994A1 Refrigerator and method of filling it with coolant
02/01/2000US6018963 Refrigeration cycle
01/2000
01/26/2000EP0974792A2 Heat exchange equipment
01/23/2000CA2278415A1 Heat exchange equipment
01/19/2000CN1241705A Multiple-type air conditioner for combined use of cooler and heater
01/12/2000EP0971183A1 Air conditioner
01/11/2000US6012294 Air conditioner control method and apparatus of the same
01/11/2000CA2178981C Heat exchanger and heat pump circuit
01/04/2000US6009939 Distributed air conditioning system
12/1999
12/29/1999CN1239769A Apparatus and method of operating heat pump to improve heating supply air temperature
12/28/1999US6006532 Refrigerant cycle system
12/21/1999US6003323 Refrigerating air-conditioning apparatus
12/21/1999CA2073106C High efficiency heat exchanger
12/15/1999EP0964210A2 Make-up air energy recovery ventilator
12/08/1999EP0962725A1 Airconditioner using inflammable refrigerant
12/08/1999EP0962715A2 Apparatus and method of operating a heat pump to improve heating supply air temperature
12/07/1999US5996368 Air conditioning apparatus
12/07/1999US5996363 Oil level equalizing system for plural compressors
12/07/1999US5996360 Refrigerant cycle system
12/02/1999WO1999061849A1 Geothermal heat pump system
12/01/1999EP0961086A2 Method for taking custody of, transporting and installing air conditioner
11/1999
11/30/1999US5992160 Make-up air energy recovery ventilator
11/24/1999EP0959308A2 Air conditioner
11/24/1999CN1236083A Silencer and air conditioner
11/23/1999US5987914 Refrigerating/air-conditioning apparatus
11/23/1999US5987907 Refrigerant circulating system
11/16/1999US5983660 Defrost subcircuit for air-to-air heat pump
11/16/1999US5983652 Automotive air conditioner having condenser and evaporator provided within air duct
11/02/1999US5974813 Multi-inverter type air conditioner and test method thereof
10/1999
10/27/1999EP0952411A1 Machine for producing hot or cold air or water by means of a refrigerant
10/27/1999EP0952407A2 A refrigeration cycle device, a method of producing the device, and a method of operating the device
10/27/1999CN2345743Y Sound-proof noise-reduction cover for refrigeration compression condensation unit
10/27/1999CN1232943A Multi-type air conditioner
10/26/1999US5970732 Beverage cooling system
10/26/1999US5970728 Multiple compressor heat pump or air conditioner
10/26/1999US5970727 Refrigerating cycle apparatus
10/26/1999US5970722 Air conditioning apparatus returning refrigerating machine oil to compressor by two restrictors and method of controlling air conditioning apparatus
10/21/1999WO1999053247A1 Multiple compressor heat pump or air conditioner
10/21/1999CA2327858A1 Multiple compressor heat pump or air conditioner
10/20/1999CN1232155A Air conditioner
10/19/1999US5967411 Method and apparatus for controlling supplemental heat in a heat pump system
10/19/1999US5966952 Heat pump system with balanced total heating-emitting and absorbing capacities and method for stable heat pumping operation
10/14/1999WO1999051919A1 Multipurpose air conditioning apparatus
10/14/1999CA2325927A1 Multipurpose air conditioning apparatus
10/13/1999CN1231400A Multiway type air conditioner
10/12/1999US5964099 Air conditioner coolant circulation route changing apparatus
09/1999
09/30/1999DE19813673A1 Verfahren und Vorrichtung zum Heizen und Kühlen eines Nutzraumes eines Kraftfahrzeuges Method and apparatus for heating and cooling a useful space of a motor vehicle
09/29/1999EP0945290A2 Method and device for heating and cooling a utility space of an automotive vehicle
09/28/1999US5956962 Air conditioner
09/21/1999US5953926 Heating, cooling, and dehumidifying system with energy recovery
09/14/1999US5950452 A refrigerant which does not include chlorine is used as a working fluid to be supplied to and discharged from the inside of cylinder chamber is useful for prevention of deterioration of oil in compressor
09/07/1999US5946928 Mini tube and direct expansion heat exchange system
09/01/1999EP0939285A2 Air conditioner with improved valve controller and valve control method therefor
09/01/1999CN1227628A Transfer valve, method of controlling transfer valve, freezing cycle and method of controlling freezing cycle
09/01/1999CN1227335A Multi-room type air conditioner
09/01/1999CN1227333A Air conditioner
08/1999
08/31/1999US5943879 Heat transport system
08/26/1999WO1999042768A1 Heat pump having improved defrost system
08/17/1999US5937670 Heat pump refrigeration and heating system
08/17/1999US5937669 Heat pump type air conditioner
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