Patents for F25B 1 - Compression machines, plant or systems with non-reversible cycle (15,293)
09/1992
09/29/1992US5150583 Apparatus for controlling a dual evaporator, dual fan refrigerator with independent temperature controls
09/29/1992US5150581 Head pressure controller for air conditioning and refrigeration systems
09/23/1992EP0504738A1 Refrigerator system with subcooling flow control valve
09/16/1992CN2116177U Screen vas refrigerator
09/15/1992US5146764 Control system for a chiller system
09/15/1992CA1307508C Liquid injection cooling arrangement for a rotary compressor
09/15/1992CA1307403C Rotary displacement compression heat transfer systems incorporating highly fluorinated regrigerant-synthetic oil lubricant compositions
09/09/1992EP0502609A1 Heat pump
09/08/1992US5144812 Outdoor fan control for variable speed heat pump
09/02/1992WO1992015774A1 Thermodynamic systems including gear type machines for compression or expansion of gases and vapors
09/02/1992CA2105296A1 Thermodynamic systems including gear type machines for compression or expansion of gases and vapors
09/01/1992US5142882 Solar heat pump
09/01/1992US5142876 Method and apparatus for heating refrigerant in a chiller
08/1992
08/26/1992EP0499999A2 Refrigerant cycling apparatus
08/25/1992US5140828 Refrigeration cycle apparatus
08/18/1992US5139081 Chemical heat pump system
08/13/1992DE4126340C1 Cold supply for underground work air conditioning - uses secondary flow division into two partial flows after passing through work-point refrigeration sets
08/11/1992US5136855 Heat pump having an accumulator with refrigerant level sensor
08/11/1992CA1306111C Heating apparatus for low power vehicles
08/05/1992EP0496937A1 Lubricant for refrigeration compressors
08/05/1992CN1063351A Refrigerating apparatus and refrigerant compressor
08/04/1992US5134856 Oil pressure maintenance for screw compressor
07/1992
07/30/1992CA2035125A1 Innovation for the substitution of 4000 cal. aggregators with 1100 cal.
07/28/1992US5133880 Fluid purifier and method for purifying fluid contaminated with a volatile contaminant
07/21/1992US5131235 Cooling system having coolant mass flow control
07/09/1992WO1992011647A1 Hollow electrical conductor coolable to extremely low temperatures, and a method of using it
07/01/1992EP0493139A2 Refrigerator
07/01/1992EP0492777A2 Multi-component refrigerant
06/1992
06/28/1992WO1992012347A1 Oil recovery system for low capacity operation of refrigeration systems
06/28/1992CA2076536A1 Oil recovery system for low capacity operation of refrigeration systems
06/10/1992CN1061791A Azeotropic and/or azeotrope-like mixtures and refrigeration or air conditioning systems using them as working fluids
06/09/1992CA1303185C Regulating device for the superheat temperature of the evaporator of arefrigeration or heat pump installation
06/02/1992US5117648 Refrigeration system with ejector and working fluid storage
05/1992
05/29/1992WO1992008535A1 Fluid purifier and method for removing chlorofluorocarbons from contaminated fluid
05/27/1992EP0487002A2 Device for air-conditioning the passenger compartment of a motor vehicle
05/26/1992US5115644 Method and apparatus for condensing and subcooling refrigerant
05/20/1992EP0485979A2 Refrigerating apparatus and refrigerant compressor
05/14/1992DE4035278A1 Refrigerator with evaporator and vapour injector - has condenser fed with mixt. of vapour from three heat exchangers successively discharged cooled, and refilled
05/13/1992EP0485147A1 Refrigeration system
05/06/1992EP0483573A1 Azeotropic and/or azeotropelike mixtures and refrigeration or air conditioning systems using them as working fluids
05/06/1992CN1060906A Transport refrigeration system
05/05/1992US5109678 Apparatus for controlling a dual evaporator, dual fan refrigerator with independent temperature controls
04/1992
04/29/1992EP0482921A2 Transport refrigeration system
04/25/1992CA2053451A1 Transport refrigeration system
04/21/1992US5105633 Solvent recovery system with means for supplemental cooling
04/21/1992CA1298985C Heat pump, energy recovery method and method of curtailing power for driving compressor in the heat pump
04/16/1992WO1992006339A1 Vapour compression systems
04/16/1992WO1992006338A1 Refrigeration method and apparatus utilizing an expansion engine
04/15/1992EP0480330A2 Refrigeration apparatus with modulator
04/14/1992US5103652 Scroll compressor and scroll-type refrigerator
04/14/1992US5103650 Refrigeration systems with multiple evaporators
04/08/1992EP0478939A2 Two-stage rotary compressor for refrigerating plants
04/07/1992US5101640 Air conditioning apparatus, heat exchanger for use in the apparatus and apparatus control method
03/1992
03/25/1992CN2099941U Air-conditioning refrigeration compressor for vehicle
03/24/1992US5097670 Water chilling method and apparatus for the same
03/22/1992CA2048262A1 Control of space heating and water heating using variable speed heat pumps
03/22/1992CA2048261A1 Compressor discharge temperature control for a variable speed compressor
03/22/1992CA2048251A1 Method of compressor current control for variable speed heat pumps
03/22/1992CA2047824A1 Crankcase heater control for hermetic refrigerant compressors
03/17/1992US5095712 Economizer control with variable capacity
03/12/1992DE4026308A1 Cold-heat power coupling for motor vehicle - has linear combustion engine andcondenser with exhaust heat used for driving refrigeration machine
03/10/1992US5094598 Capacity controllable compressor apparatus
03/10/1992US5094086 Instant cooling system with refrigerant storage
03/10/1992US5094085 Refrigerating cycle apparatus with a compressor having simultaneously driven two compressor means
03/10/1992CA1296912C Refrigerant circuit with passageway control mechanism
03/03/1992US5092134 Heating and cooling air conditioning system with improved defrosting
03/03/1992CA1296536C Flooded evaporator with enhanced oil return means
02/1992
02/25/1992US5090882 Rotary fluid machine having hollow vanes and refrigeration apparatus incorporating the rotary fluid machine
02/25/1992CA1296194C Refrigeration system
02/18/1992US5088646 Heat pump type heating apparatus and control method thereof
02/18/1992US5088304 Heat transfer system with recovery means
02/18/1992US5088303 Migration blocking valve in a refrigerating system
02/11/1992US5086624 Cooling and heating concurrent operation type of multiple refrigeration cycle
02/11/1992US5086623 Refrigerating process and apparatus utilizing a refrigerating mixture
02/11/1992US5086621 Oil recovery system for low capacity operation of refrigeration systems
01/1992
01/27/1992WO1992001762A1 Near-azeotropic blends for use as refrigerants
01/22/1992CN2094008U Unequal length coaxial vessel refrigeration machine
01/21/1992US5081846 Control of space heating and water heating using variable speed heat pump
01/14/1992US5079929 Multi-stage refrigeration apparatus and method
01/08/1992CN2092721U Movable cryogenic equipment for barn
12/1991
12/31/1991US5076067 Compressor with liquid injection
12/27/1991WO1992000494A1 Single and multistage refrigeration system and method using hydrocarbons
12/27/1991CA2085740A1 Single and multistage refrigeration system and method using hydrocarbons
12/26/1991WO1991019947A1 Method of transferring heat energy from a low to a higher temperature
12/25/1991CN1015193B Compressor for heat pump and method of operating said compressor
12/24/1991US5074120 Multi-type air-conditioning system with fast hot starting for heating operation
12/24/1991CA1293369C Refrigerant and a machine having a refrigerating circuit with refrigerant
12/18/1991EP0246275B1 Thermally powered engine
12/04/1991EP0459778A1 Slidable part, refrigerant compressor provided therewith
11/1991
11/26/1991US5067556 Controller of refrigerating plant
11/19/1991US5066197 Hydrodynamic bearing protection system and method
11/19/1991US5065590 Refrigeration system with high speed, high frequency compressor motor
11/19/1991US5065589 Control apparatus used for a refrigerant circuit having a compressor with a variable displacement mechanism
11/14/1991DE4109818A1 Verfahren und vorrichtung zum tiefkuehlen elektrischer hohlleiter stromdurchflossener spulen Coil method and device for tiefkuehlen electrical hollow conductor through which current flows
11/13/1991CN1056160A Rotation compressive type hydrogen refrigerating device
11/12/1991US5063750 Rotary positive displacement compressor and refrigeration plant
11/06/1991CN1055982A 驻波压缩机 Standing compressor
11/05/1991US5062274 Unloading system for two compressors
10/1991
10/29/1991US5061391 Working fluid for thermally powered heat pumping applications
10/17/1991WO1991015722A1 Process for operating a compression heat pump and compression heat pump