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)
09/1998
09/01/1998US5799497 Refrigerating apparatus
08/1998
08/25/1998US5797273 Control of defrost in heat pump
08/20/1998WO1998036228A1 Defrost control for heat pump
08/20/1998WO1998036227A1 Control of defrost in heat pump
08/19/1998CN1190720A Composite type air conditioner with cooling and warming operation
08/13/1998WO1998035189A1 Multiple room type air conditioning apparatus
08/12/1998EP0857937A1 Heat transport system
08/12/1998EP0857936A1 Heat transport system
08/12/1998EP0857920A1 Air conditioner
07/1998
07/29/1998EP0855562A1 Air conditioner
07/29/1998CN1189212A Multi-type air-conditioner
07/29/1998CN1188882A Refrigerating air-conditioning apparatus
07/29/1998CN1188880A Coolant distributing system in multi-type air conditioner
07/28/1998US5784893 Air conditioning system with built-in intermediate heat exchanger with two different types of refrigerants circulated
07/28/1998US5784892 Heat pump system capable of heating and cooling an indoor space
07/22/1998EP0854326A2 Refrigerating air-conditioning apparatus
07/21/1998US5782102 Automotive air conditioner having condenser and evaporator provided within air duct
07/21/1998US5782101 Heat pump operating in the heating mode refrigerant pressure control
07/16/1998WO1998030651A1 Method for filling mixed refrigerant
07/14/1998US5778691 Gas injection type heat pump apparatus
07/14/1998US5778683 Thermal storage system controller and method
07/09/1998WO1998029699A1 Refrigeration apparatus and method of manufacturing same
06/1998
06/30/1998US5772113 Two-pipe heat pump system with isolated tank coil for domestic hot water
06/30/1998US5771700 Heat pump apparatus and related methods providing enhanced refrigerant flow control
06/30/1998US5771699 Three coil electric heat pump
06/24/1998EP0849544A1 Heat transfer apparatus
06/24/1998CN1185572A Air conditioner returning cooling machine oil back to compressor by economizer and control method thereof
06/23/1998US5768903 Refrigerating apparatus, air conditioner using the same and method for driving the air conditioner
06/23/1998US5768902 Refrigeration cycle and method of controlling the same
06/16/1998US5765380 Air-conditioning apparatus using radiation heat control system and method for stable air-conditioning operation
06/02/1998US5758514 Geothermal heat pump system
05/1998
05/26/1998US5755104 Heating and cooling systems incorporating thermal storage, and defrost cycles for same
05/20/1998CN1182187A Air conditioner
05/19/1998US5752392 Air conditioner and heat exchanger therefor
05/19/1998US5752391 Refrigerating system
05/13/1998CN1181484A Air conditioner
05/12/1998US5749239 Refrigerant fluid reservoir for a heat pump installation
05/12/1998US5749235 Air conditioner for vehicles
05/06/1998EP0840071A2 Air conditioner and method of controlling the air conditioner
05/06/1998CN1180823A Refrigerating apparatus
05/06/1998CN1180817A Air conditioner control apparatus and method therefor
04/1998
04/29/1998EP0838643A2 Refrigeration cycle using a non-azeotrope refrigerant
04/29/1998EP0838640A2 Oil level equalizing system for plural compressors
04/29/1998CN1180154A Air conditioning apparatus
04/28/1998US5743111 Air conditioner system having a refrigerant distributor and method of making same
04/28/1998CA2217514A1 Oil level equalizing system for plural compressors
04/22/1998EP0837293A2 Refrigerating apparatus
04/21/1998US5740681 Method and apparatus for controlling the temperature of air delivered to the cabin of a motor vehicle
04/14/1998US5737931 Refrigerant circulating system
04/08/1998EP0834708A1 Multi-type air-conditioner
04/08/1998CN1178547A Difluoromethane/hydrocarbon refrigerant mixture and refrigeration cycle plant using the same
04/08/1998CN1178314A Refrigeration cycle with drying device
04/01/1998EP0622594B1 Air-conditioner
03/1998
03/31/1998US5732566 Heat pump with moveable partition valve
03/31/1998US5732564 Heat pump apparatus and method for stable operation with inhibition of foaming
03/26/1998WO1998012486A1 Air conditioner and medium storing an operation control program therefor
03/24/1998US5729992 Refrigerant charge control system for heat pump
03/24/1998US5729985 Air conditioning apparatus and method for air conditioning
03/17/1998US5727395 Defrost control for heat pump
02/1998
02/25/1998CN1174317A Change-over valve, fluid compressor and thermal pump type refrigerating circulation system
02/25/1998CN1174315A Refrigerating cycle
02/24/1998US5720179 Methods and apparatus for controlling the temperatures of a plurality of rooms
02/19/1998WO1998006983A1 Air conditioner
02/12/1998WO1998005907A1 Transfer valve, method of controlling transfer valve, freezing cycle and method of controlling freezing cycle
02/10/1998US5715694 Refrigerator controller
01/1998
01/28/1998CN1171520A Air conditioner and control method of same
01/27/1998US5711163 Heat pump apparatus
01/21/1998EP0819896A2 Air conditioner and control method of the same
01/21/1998CN1170855A Method of controlling multiple air conditioner
01/20/1998US5709090 Refrigerating system and operating method thereof
01/14/1998EP0818333A2 Gas injection type heat pump apparatus
01/14/1998CN1170124A Controlling apparatus for various air conditioners
01/13/1998US5706888 Geothermal heat exchanger and heat pump circuit
01/07/1998EP0816779A1 Air conditioner and moisture removing device for use with the air conditioner
01/06/1998US5704219 For a vehicle
12/1997
12/31/1997WO1997049957A1 Zoning interface system for a variable speed heat pump
12/29/1997EP0814289A2 Switching valve, fluid compressor and heat pump type refrigeration system
12/10/1997EP0811670A1 Ternary mixture refrigerant and heat pump apparatus utilizing the same
12/10/1997CN1167238A Controller for air conditioner
12/10/1997CN1167133A Ternary mixture refrigerant and heat pump apparatus utilizing the same
12/02/1997US5692394 Gas-liquid separator for a heat pump type air conditioning system using a gas-injection cycle
11/1997
11/27/1997WO1997044625A1 Heat pump systems and methods incorporating subcoolers for conditioning air
11/26/1997CN1165941A 空调机 Air conditioners
11/25/1997US5689965 Air conditioner
11/25/1997US5689964 Operation control device for air conditioner
11/25/1997US5689963 Diagnostics for a heating and cooling system
11/25/1997US5689962 Method for dehumidifying air
11/20/1997WO1997043585A1 Series connected primary and booster compressors
11/19/1997EP0424474B2 Method of operating a vapour compression cycle under trans- or supercritical conditions
11/18/1997US5687578 Heat pump apparatus and related methods producing enhanced refrigerant flow stability
11/11/1997US5685168 Refrigerating apparatus
11/11/1997US5685162 Automotive air conditioner having condenser and evaporator provided within air duct
11/05/1997EP0805312A2 Control System for multiple-type air conditioner
11/04/1997US5683229 Hermetically sealed pump for a refrigeration system
10/1997
10/30/1997WO1997040326A1 Multi-type air-conditioner
10/28/1997US5680898 Heat pump and air conditioning system incorporating thermal storage
10/21/1997US5678626 Air conditioning system with thermal energy storage and load leveling capacity
10/07/1997US5673570 Oil equalizing operation control device for air conditioner
10/07/1997US5673568 Apparatus and method for controlling an air conditioner
09/1997
09/28/1997CA2172790A1 Direct expansion source heat pump
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