| Patents for F25B 31 - Compressor arrangements (3,736) |
|---|
| 08/04/1994 | WO1994017348A1 A method and apparatus for the cleansing of oil from refrigerating machines and heat pumps |
| 07/20/1994 | EP0607101A1 A lubrication oil returning system for refrigeration compressors |
| 07/20/1994 | EP0607012A2 Compressor |
| 07/12/1994 | US5327997 Lubrication management system |
| 06/21/1994 | US5321956 Oil management and removal system for a refrigeration installation |
| 06/14/1994 | CA2074444C Combination lift piston/axial port unloader arrangement for a screw compressor |
| 06/09/1994 | WO1994012594A1 Ammonia refrigerating unit, working fluid composition to be used in said unit, and lubrication of ammonia compressor |
| 06/08/1994 | EP0600131A1 Refrigeration device using hydrofluorocarbon refrigerant |
| 06/01/1994 | EP0599170A1 Refrigerant circuit |
| 05/31/1994 | CA2025060C Oil reclaim system |
| 05/18/1994 | EP0597597A2 Air conditioner |
| 05/03/1994 | US5307643 Method and apparatus for controlling refrigerant gas in a low pressure refrigeration system |
| 04/20/1994 | CN1024292C Refrigerant compressor |
| 03/30/1994 | EP0589667A1 Valved discharge mechanism of a refrigerant compressor |
| 03/22/1994 | US5295815 Oil inlet feed |
| 03/09/1994 | EP0585934A1 Method to run a compressor-heatpump or refrigerationplant with ammonia as refrigerant |
| 01/18/1994 | US5279131 Multi-airconditioner |
| 12/28/1993 | US5273412 Lubricated rotary compressor having a cooling medium inlet to the delivery port |
| 12/28/1993 | US5273410 Compressor exhibiting an iron sulfide wear surface |
| 12/07/1993 | US5267452 Back pressure valve |
| 11/24/1993 | CN1078792A Scroll compressor and air conditioner using the same |
| 10/14/1993 | DE4212162A1 Cooling device for refrigeration compressor electric drive motor - uses refrigerant provided by compressor, with obtained refrigerant combined with outputting evaporator in refrigeration circuit |
| 10/14/1993 | DE4202913A1 Ammonia refrigerant additives - improve the solubility of machine oils, and comprise mono:-, di:- or tri:-methylamine |
| 09/23/1993 | DE4220642A1 Arrangement for automatic control of outflow of liquid of given density e.g. for compression refrigerator - contains housing with float operated denser liquid outlet opening and closing |
| 09/21/1993 | US5245837 Air-conditioning apparatus wherein a plurality of indoor units are connected to outdoor unit |
| 09/14/1993 | US5243827 Overheat preventing method for prescribed displacement type compressor and apparatus for the same |
| 09/09/1993 | DE4206926A1 Refrigerating machine with injection tube to compressor - for cooling without affecting system control characteristics |
| 09/07/1993 | US5241832 Automobile air conditioning system |
| 08/17/1993 | US5236311 Compressor device for controlling oil level in two-stage high dome compressor |
| 08/11/1993 | CN1075195A 背压阀 Backpressure valve |
| 08/03/1993 | US5232588 Environmentally beneficial bypass filter system for use with low pressure centrifugal refrigeration equipment |
| 07/27/1993 | US5230222 Compressor crankcase heater control |
| 07/21/1993 | EP0551361A1 Vapour compression systems |
| 07/07/1993 | EP0550381A1 Back pressure valve |
| 06/29/1993 | USRE34297 Refrigeration compressor |
| 06/22/1993 | US5220809 Apparatus for cooling an air conditioning system electrical controller |
| 06/17/1993 | DE4140625A1 Oil feedback system for compression refrigeration appts. - has regulator responsive to detected temp. difference for closure of control valve in oil feedback line to compressor |
| 06/16/1993 | EP0546982A1 Compressor crankcase heater control |
| 06/01/1993 | US5214928 Refrigeration apparatus and methods |
| 05/18/1993 | US5211026 Combination lift piston/axial port unloader arrangement for a screw compresser |
| 04/06/1993 | US5199271 Air conditioning system having timed oil drain separator |
| 03/30/1993 | US5197297 Transport refrigeration system having compressor over-temperature protection in all operating modes |
| 03/24/1993 | CN1070256A Refrigerating system |
| 03/16/1993 | US5194717 Bracket for mounting a crankcase heater |
| 03/10/1993 | EP0531248A1 Oil reclaim in a centrifugal chiller system |
| 03/09/1993 | US5192194 Explosion proof compressor and a method for explosion proofing a compressor |
| 03/04/1993 | WO1993004286A1 Capacity control for screw compressors |
| 03/03/1993 | EP0529293A1 Refrigerating system |
| 03/02/1993 | US5189883 Economical refrigeration retrofit systems |
| 02/02/1993 | US5182919 Oil recovery system for closed type centrifugal refrigerating machine |
| 11/24/1992 | US5165248 Oil reclaim in a centrifugal chiller system |
| 11/19/1992 | EP0513475A2 Sealed type compressor |
| 11/12/1992 | WO1992019924A1 Method and device providing isothermal compression of a compressible fluid |
| 11/03/1992 | US5159820 Oil separator integrally mounted on compressor |
| 10/28/1992 | CN1018853B 致冷压缩机 Refrigeration compressor |
| 10/07/1992 | CN1065127A Sealed type compressor |
| 09/30/1992 | EP0506189A1 Rotary compressor |
| 09/29/1992 | US5150586 System and process of compressing miscible fluids |
| 09/23/1992 | EP0504455A1 Electrical heat pump and condensing module therefor |
| 09/22/1992 | US5148684 Injection valve for a refrigeration system |
| 09/15/1992 | CA1307403C Rotary displacement compression heat transfer systems incorporating highly fluorinated regrigerant-synthetic oil lubricant compositions |
| 09/08/1992 | US5144815 Thermal valve for compressor |
| 08/25/1992 | US5140828 Refrigeration cycle apparatus |
| 08/12/1992 | EP0498317A1 Operation of a refrigeration system |
| 08/11/1992 | US5136851 Helium gas compressing apparatus |
| 08/05/1992 | CN1063351A Refrigerating apparatus and refrigerant compressor |
| 07/23/1992 | WO1992012348A1 Hermetic compressor |
| 06/28/1992 | WO1992012347A1 Oil recovery system for low capacity operation of refrigeration systems |
| 06/28/1992 | CA2076536A1 Oil recovery system for low capacity operation of refrigeration systems |
| 06/17/1992 | EP0490810A1 Method of operating an NH3-refrigerator or -heat pump |
| 05/20/1992 | EP0485979A2 Refrigerating apparatus and refrigerant compressor |
| 04/16/1992 | WO1992006339A1 Vapour compression systems |
| 04/08/1992 | EP0478939A2 Two-stage rotary compressor for refrigerating plants |
| 03/24/1992 | US5097677 Method and apparatus for vapor compression refrigeration and air conditioning using liquid recycle |
| 03/22/1992 | CA2047824A1 Crankcase heater control for hermetic refrigerant compressors |
| 03/10/1992 | US5094598 Capacity controllable compressor apparatus |
| 03/10/1992 | US5094085 Refrigerating cycle apparatus with a compressor having simultaneously driven two compressor means |
| 03/03/1992 | CA1296536C Flooded evaporator with enhanced oil return means |
| 02/25/1992 | US5090880 Scroll compressor with discharge valves |
| 02/25/1992 | US5090873 Crankcase oil separator |
| 02/18/1992 | US5088292 Bearing pump control for lubricating hydrodynamic compressor bearings |
| 02/11/1992 | US5087170 Rotary compressor |
| 02/11/1992 | US5086621 Oil recovery system for low capacity operation of refrigeration systems |
| 02/04/1992 | CA1295303C Compressor with axially balanced shaft |
| 01/02/1992 | EP0463985A2 Joule-Thomson refrigeration cycle employing a reversible drive electrochemical compressor |
| 12/31/1991 | US5076067 Compressor with liquid injection |
| 11/26/1991 | CA1292364C Structure for motor-compressor units used with refrigerant fluids |
| 11/19/1991 | US5066197 Hydrodynamic bearing protection system and method |
| 11/19/1991 | US5065590 Refrigeration system with high speed, high frequency compressor motor |
| 11/05/1991 | US5062277 Combined oil heater and level sensor |
| 10/02/1991 | CN1055041A Wobble plate type refrigerant compressor having ball-and-socket joint lubricating mechanism |
| 10/01/1991 | US5052897 Compressor and method of detecting quantity of mixture of coolant and lubricant in the compressor |
| 09/24/1991 | US5050389 Refrigeration system with oiless compressor supported by hydrodynamic bearings with multiple operation modes and method of operation |
| 09/04/1991 | EP0444332A1 Multi-compressor cooling plant |
| 07/31/1991 | EP0438922A1 Refrigerant compressor for HFC 134a |
| 07/31/1991 | EP0438835A2 Refrigeration station |
| 07/10/1991 | EP0436084A1 Helium gas compressing apparatus |
| 07/09/1991 | US5029455 Oil return system for oil separator |
| 07/02/1991 | US5027606 Rotary displacement compression heat transfer systems incorporating highly fluorinated refrigerant-synthetic oil lubricant compositions |
| 06/26/1991 | EP0434188A1 Crankcase oil separator |