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 31 - Compressor arrangements
Patents for F25B 31 - Compressor arrangements (3,736)
09/1996
09/03/1996US5551253 Oil separator for air conditioner
08/1996
08/29/1996WO1996026368A1 Gas actuated slide valve in a screw compressor
08/21/1996EP0726930A1 Lubrication of refrigeration compressors
08/06/1996US5542499 Electromechanical oil level regulator
08/06/1996US5542266 Refrigeration system with compressor using refrigeration oil insoluble in refrigerant
07/1996
07/30/1996US5540061 Refrigerator
07/18/1996WO1996021802A1 Electromechanical oil level regulator
07/03/1996CN1125835A Refrigerating apparatus
07/02/1996US5531080 Refrigerant circulating system
07/02/1996US5531078 Low volume inlet reciprocating compressor for dual evaporator refrigeration system
06/1996
06/11/1996CA2086855C Compressor device for controlling oil level in two-stage high dome compressor
06/05/1996EP0715133A1 Refrigerator
06/05/1996EP0715132A1 Oil balancing operation control device for an air conditioner
06/05/1996CN1123899A Air conditioning system, and accumulator therefor and manufacturing method of the accumulator
06/04/1996US5522233 In a refrigeration system
05/1996
05/21/1996US5517824 Refrigerating cycle
05/14/1996USRE35235 Method and apparatus for controlling refrigerant gas in a low pressure refrigeration system
05/08/1996EP0710807A2 Compressor refrigeration machine
04/1996
04/25/1996DE19538415A1 Integrated electrical power supply unit i.e. for household appliances
04/23/1996US5509273 Gas actuated slide valve in a screw compressor
04/03/1996EP0704521A1 Method for removing unwanted lubricating oil from a refrigeration system
03/1996
03/05/1996US5496160 Scroll compressor having a suction check valve
02/1996
02/28/1996EP0698201A1 Method of replacement of a lubricant in cooling systems
02/28/1996CN1117572A Oil management system for screw compressor utilized in refrigeration system
01/1996
01/24/1996CN1115376A Fluid compressor
01/11/1996WO1996000873A1 Refrigerator
01/11/1996WO1996000872A1 Oil balancing operation control device for an air conditioner
01/10/1996EP0690970A1 Cooling of compressor lubricant in a refrigeration system
01/09/1996US5481887 Compression type refrigerator
12/1995
12/28/1995WO1995035462A1 Oil level control apparatus
12/28/1995CA2193132A1 Oil level control apparatus
12/27/1995EP0688855A1 Refrigerating apparatus and refrigerant compressor
12/27/1995EP0688854A1 Refrigerating apparatus and refrigerant compressor
12/26/1995US5477695 Methods and apparatus for operating a refrigeration system characterized by controlling engine coolant
12/19/1995US5475985 Electronic control of liquid cooled compressor motors
12/14/1995DE19519441A1 Car air conditioning system
11/1995
11/29/1995EP0684434A1 Beverage Cooling
11/29/1995CN1112665A Fluid compressor
11/28/1995US5469713 Lubrication of refrigerant compressor bearings
11/15/1995CN1111669A Refrigerating composition of hydrogen, fluoride and carbon series and refrigerating apparatus
11/14/1995US5465587 Methods and apparatus for operating a refrigeration system characterized by controlling engine coolant
11/14/1995US5465586 Methods and apparatus for operating a refrigeration system characterized by controlling engine coolant
11/07/1995US5464332 For a refrigerant
10/1995
10/31/1995US5461883 Compression refrigerating machine
10/24/1995US5460005 Closed loop oil service system for AC or refrigerant compressor units
10/19/1995DE4412870A1 Electrical connector unit for cooling or refrigerator unit
10/14/1995CA2143790A1 Seed firming wheel having a furrow following sidewall
10/11/1995EP0676598A2 Oil management system for screw compressor utilized in refrigeration system
10/04/1995CN1109578A Refrigerating cycle
09/1995
09/26/1995US5452586 Method for flushing a refrigeration system
09/21/1995DE4429308A1 Hermetic piston-type refrigerant compressor series
09/20/1995EP0672875A2 Air conditioning system, accumulator therefor and method of manufacturing the accumulator
08/1995
08/29/1995US5444988 Closed loop oil charging for ac or refrigerant compressor units
08/15/1995US5441658 Mixture of nitrogen with methane, propane, and ethane or ethylene
08/15/1995US5440897 Closed loop oil service system for AC or refrigerant compressor units
08/01/1995US5437162 Closed loop oil service system for AC or refrigerant compressor units
07/1995
07/26/1995EP0664424A2 Lubrication of refrigerant compressor bearings
07/25/1995US5435700 Refrigerant suction and discharge apparatus for a hermetic compressor
07/25/1995US5435144 Compressor lubricant distributing system for motor vehicles having auxiliary air conditioning
07/11/1995US5431025 Apparatus and method of oil charge loss protection for compressors
06/1995
06/28/1995CN1104318A Compression type refrigerator
06/21/1995EP0658730A1 Economizer control for two-stage compressor systems
05/1995
05/30/1995US5419692 Closed type compressor
05/30/1995US5419155 Cooling of compressor lubricant in a refrigeration system condenser
05/18/1995WO1995013334A1 Cryogenic mixed gas refrigerant
05/16/1995US5415003 Method for removing original type lubricant from air conditioning system and injecting replacement oil
05/11/1995WO1995012649A1 Lubrication of refrigeration compressors
05/11/1995DE4338029A1 Ammonia/working material mixture
05/09/1995US5413728 Process for operating a compressor heat pump or a compressor refrigeration system in which ammonia is used as the refrigerant
05/03/1995EP0650574A1 Cryogenic refrigerator with single stage compressor
04/1995
04/25/1995US5408836 Methods and apparatus for operating a refrigeration system characterized by controlling engine coolant
04/13/1995DE3249765C2 Refrigerating compressor (cooling compressor) encapsulated in an airtight fashion
03/1995
03/14/1995US5396784 Oil management system for screw compressor utilized in refrigeration system
03/09/1995DE4290033C2 Compressor of closed (enclosed) design
03/08/1995CN1027832C 背压阀 Backpressure valve
02/1995
02/16/1995DE4338939C1 Method and device for the cooling of a refrigerant compressor
01/1995
01/31/1995US5385034 Vapor compression systems
01/17/1995US5381665 Refrigerating system with compressor cooled by liquid refrigerant
01/10/1995US5380176 Valved discharge mechanism in a refrigerant compressor
12/1994
12/06/1994US5369958 Air conditioner
11/1994
11/30/1994EP0626443A1 Ammonia refrigerating unit, working fluid composition to be used in said unit, and lubrication of ammonia compressor
11/29/1994US5368746 Environmentally beneficial bypass filter system for use with low pressure centrifugal refrigeration equipment
11/29/1994US5367883 Refrigeration system
11/24/1994WO1994027100A1 Method of replacement of a lubricant in cooling systems
11/24/1994WO1994027099A1 Cryogenic refrigerator with single stage compressor
11/16/1994CN1095152A 致冷剂循环系统 Refrigerant circulating system
11/08/1994US5362210 Scroll compressor unloader valve
11/02/1994EP0622445A1 Refrigerant circulating system
11/02/1994CN1026431C Sealed type compressor
10/1994
10/27/1994WO1994024497A1 Method and apparatus for controlling refrigerant gas in a low pressure refrigeration system
10/26/1994CN2180946Y Water tray for compressor of refrigerator
10/18/1994US5355695 Refrigeration device using hydrofluorocarbon refrigerant
10/13/1994WO1994023252A1 Cooling of compressor lubricant in a refrigeration system
10/05/1994CN1026145C Oil reclaim system
09/1994
09/27/1994US5350039 Low capacity centrifugal refrigeration compressor
09/21/1994CN1092505A Compressor with motor cooling
09/20/1994US5347821 Apparatus and method of oil charge loss protection for compressors
09/13/1994US5345785 Scroll compressor and air conditioner using the same
08/1994
08/16/1994US5337572 Cryogenic refrigerator with single stage compressor
08/16/1994CA2053107C Bracket for mounting a crankcase heater
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