Patents for F25B 1 - Compression machines, plant or systems with non-reversible cycle (15,293)
10/1991
10/16/1991EP0451325A2 Plant for processing cold water and brine
10/15/1991US5056336 Scroll apparatus with modified scroll profile
10/15/1991US5056329 Heat pump systems
10/15/1991US5056328 Apparatus for controlling a dual evaporator, dual fan refrigerator with independent temperature controls
10/15/1991US5056323 Hydrocarbon refrigeration system and method
10/13/1991CA2040323A1 Refrigerating plant
10/08/1991US5054294 Compressor discharge temperature control for a variable speed compressor
10/02/1991EP0448997A2 Refrigerant
10/02/1991CN1055041A Wobble plate type refrigerant compressor having ball-and-socket joint lubricating mechanism
09/1991
09/25/1991CN1054825A Oil separator for refrigeration apparatus
09/24/1991US5051066 Gas compression by pulse amplification
09/24/1991US5050398 Ice making machine with remote vent
09/24/1991US5050397 Air conditioner apparatus with starting control for parallel operated compressors based on high pressure detection
09/18/1991EP0447134A2 Standing wave compressor
09/17/1991US5050233 Rotary compressor
09/17/1991US5049296 Refrigerant
09/17/1991US5049044 Compressor for heat pump and method of operating said compressor
09/11/1991EP0445368A2 Cooling and heating concurrent operation type of multiple refrigeration cycle
09/10/1991US5046326 Transport refrigeration system
09/10/1991US5046325 Refrigerating circuit apparatus with two stage compressor and heat storage tank
09/10/1991US5046321 Method and apparatus for gas conditioning by low-temperature vaporization and compression of refrigerants, specifically as applied to air
09/10/1991CA1288602C Working fluid and supersonic compressor for thermally powered heat pumping applications
09/04/1991EP0444537A1 Thermostatic expansion valve with electronic controller
09/03/1991US5044167 Vapor cycle cooling system having a compressor rotor supported with hydrodynamic compressor bearings
09/03/1991CA2037399A1 Thermostatic expansion valve with electronic controller
08/1991
08/28/1991EP0443258A1 Oil separator for refrigeration apparatus
08/27/1991US5042268 Refrigeration
08/27/1991CA1288148C Control apparatus for refrigerated cargo container
08/08/1991CA2032448A1 Refrigeration system with mass flow limiting device
08/07/1991EP0440073A1 Thermostatic expansion valve with electronic controller
08/06/1991US5036676 Method of compressor current control for variable speed heat pumps
07/1991
07/30/1991US5035823 Pollution control
07/30/1991US5035117 Thermal engine driven heat pump for recovery of volatile organic compounds
07/25/1991DE4041603A1 Forced cooling of esp. particle accelerator induction coils - spraying liq. coolant uniformly onto internal wall of hollow conductor and recirculating after evapn.
07/23/1991CA1286750C Automatic reset of chilled water setpoint temperature control
07/16/1991CA1286266C Wobble plate compressor capacity control
07/09/1991US5029449 Heat pump booster compressor arrangement
07/03/1991EP0435814A2 Refrigerant flow control device
07/03/1991EP0435487A2 Refrigeration system having a modulation valve which also performs function of compressor throttling valve
07/02/1991US5027608 Method and apparatus for determining full load condition in a screw compressor
07/02/1991US5027606 Rotary displacement compression heat transfer systems incorporating highly fluorinated refrigerant-synthetic oil lubricant compositions
07/02/1991US5027602 Heat engine, refrigeration and heat pump cycles approximating the Carnot cycle and apparatus therefor
06/1991
06/29/1991CA2030413A1 Refrigeration system having a modulation valve which also performs function of compressor throttling valve
06/26/1991CN2079724U Energy saving double colding source screw refrigerator with secondry intake
06/18/1991US5024059 Electronic force ionized gas air conditioning system compressor
06/12/1991EP0431797A2 Refrigeration
06/12/1991EP0431491A1 Heat pump type heating apparatus and control method thereof
06/04/1991US5020977 Refrigerant
05/1991
05/28/1991CA1284478C Refrigeration system including capacity modulation
05/23/1991CA2030288A1 Refrigeration
05/21/1991US5016447 Oil return for a two-stage compressor having interstage cooling
05/16/1991WO1991007628A1 Continuous chemical heat pump system for producing heat/or cold
05/16/1991CA2068737A1 Continuous chemical heat pump system for producing heat/or cold
05/14/1991US5014521 Refrigeration system in ice making machine
05/14/1991CA1284035C Liquid/gas bypass
05/08/1991CN1051241A Refrigeration apparatus
05/07/1991US5013217 Compressing apparatus with extended variable capacity range and capacity control method thereof
05/07/1991US5012652 Crankcase heater control for hermetic refrigerant compressors
05/03/1991CA2022125A1 Heat pump system
05/02/1991WO1991005977A1 A heat pump system having a refrigerant circuit in the form of an exchangeable unit, and means for effecting such an exchange
05/02/1991EP0424474A1 Method of operating a vapour compression cycle under trans- or supercritical conditions.
05/01/1991CN1051080A Compressor system with demand cooling
04/1991
04/30/1991US5010740 Refrigeration system with mass flow limiting device
04/24/1991EP0424003A2 Refrigeration system
04/24/1991EP0423976A1 Compressor refrigeration system with demand cooling
04/23/1991US5009079 Refrigerant flow control device
04/17/1991EP0422973A1 Refrigeration process and apparatus using a refrigerant mixture
04/17/1991CN1050764A Compression refrigerating unit
04/16/1991US5007247 Refrigeration or heat pump installation
04/10/1991CA2027066A1 Refrigeration process and plant using a coolant mix
04/03/1991EP0419531A1 Rotary positive displacement compressor and refrigeration plant.
04/02/1991US5004408 Discharge system for rotary rolling piston compressor
03/1991
03/26/1991US5001908 Oil separator for refrigeration apparatus
03/13/1991EP0190167B1 Modular refrigeration system
03/12/1991CA1281393C Automatic chilled water setpoint temperature control using return chilled water temperature
03/12/1991CA1281193C Immiscible propellant and refrigerant pairs for ejector-type refrigeration systems
03/07/1991WO1991002885A1 Heat engine, refrigeration and heat pump cycles approximating the carnot cycle and apparatus therefor
03/06/1991CN2072364U Electric cooling cushion
02/1991
02/26/1991CA1280599C Modular refrigeration system
02/19/1991US4993231 Thermostatic expansion valve with electronic controller
02/05/1991US4989414 Capacity-controllable air conditioner
01/1991
01/30/1991EP0410570A2 Air conditioner apparatus with starting control for parallel operated compressors based on high pressure detection
01/29/1991CA1279491C Liquid-gas contactor for non-azeotropic mixture refrigerant
01/22/1991US4986084 Quench expansion valve refrigeration circuit
01/22/1991US4986083 Freezer machine
01/09/1991EP0407328A2 Unloading system for two-stage compressors
01/09/1991CN1048438A Rotary positive displacement compressor and refrigeration plant
01/08/1991US4983312 Refrigerants
01/08/1991CA1278691C Temperature sensitive solenoid valve in a scroll compressor
01/01/1991US4981023 Air conditioning and heat pump system
12/1990
12/27/1990EP0256123B1 Fluid flow control system
12/25/1990US4979372 Refrigeration system and a thermostatic expansion valve best suited for the same
12/19/1990EP0403239A2 Capacity controllable compressor apparatus
12/18/1990US4977751 Refrigeration system having a modulation valve which also performs function of compressor throttling valve
12/12/1990EP0402131A2 Cooling system with supplemental thermal storage
12/11/1990US4976116 Cold-air generating device
12/04/1990US4974427 In a refrigeration system
11/1990
11/21/1990CN1047140A Control apparatus used for refrigerant circuit having compressor with variable displacement mechanism
10/1990
10/30/1990US4966013 Method and apparatus for preventing compressor failure due to loss of lubricant
10/30/1990US4966010 Apparatus for controlling a dual evaporator, dual fan refrigerator with independent temperature controls