Patents for F25B 9 - Compression machines, plant, or systems, in which the refrigerant is air or other gas of low boiling point (9,862)
09/1982
09/21/1982US4350020 Process for producing heat by means of a heat pump operated with a fluid mixture as working agent and air as heat source
09/08/1982EP0059347A1 Power absorbing device
09/07/1982US4347714 Heat pump systems for residential use
08/1982
08/31/1982US4346563 Super critical helium refrigeration process and apparatus
08/24/1982US4345926 Expansion engine
08/24/1982CA1130096A1 Refrigerator
08/17/1982US4344292 Process for heat production by means of a heat pump operated with a specific mixture of fluids as the working agent
08/05/1982WO1982002588A1 Heat pump arrangement
08/04/1982EP0057120A2 Method of heating a room by means of a compression heat pump using a mixed working medium
07/1982
07/28/1982EP0056780A2 Disposition of heat pumps
07/20/1982US4339927 Gas-driven fluid flow control valve and cryopump incorporating the same
07/20/1982US4339926 Vortex tube
06/1982
06/30/1982EP0054956A2 Cryogenic freezing system
06/30/1982EP0054955A2 Cryogenic freezing system
06/29/1982US4337399 Refrigerator
06/29/1982US4336693 Refrigeration process using two-phase turbine
06/22/1982US4335579 Refrigerating system
06/22/1982CA1126043A1 Air conditioning system employing dual cycle
06/08/1982US4333755 Cryogenic apparatus
06/08/1982US4333754 Anti-icing noise-suppressing vortex tube assembly
06/01/1982US4333017 Method and apparatus for closed loop vortex operation
06/01/1982US4332136 Refrigerating apparatus
05/1982
05/28/1982EP0038850A4 Valves for cryogenic refrigerators.
05/26/1982EP0038360A4 Cryogenic apparatus.
05/11/1982US4328684 Screw compressor-expander cryogenic system with magnetic coupling
04/1982
04/28/1982EP0050582A2 Brushless DC motor driven cryogenic refrigeration system
04/27/1982US4326388 Dual open cycle heat pump and engine
04/20/1982US4325231 Cascade cooling arrangement
04/15/1982WO1982001242A1 Method and installation for obtaining nitrogen and oxygen
04/15/1982WO1982001220A1 Method and machine for obtaining a quasi-isothermal transformation in gas compression or expansion processes
03/1982
03/03/1982EP0046585A1 Refrigerator with a clearance seal compressor
03/02/1982US4317665 Cryogenic freezing system
02/1982
02/23/1982CA1118680A1 Cryostat with serviceable refrigerator
02/16/1982US4315409 Cryogenic freezing system
02/03/1982EP0045144A2 Heat pump systems for residential use
01/1982
01/26/1982US4312191 Environmental control system for aircraft with improved efficiency
01/26/1982CA1117166A1 Nozzle for the adiabatic expansion of gases
01/19/1982US4311021 Screw compressor-expander cryogenic system with mist lubrication
01/19/1982CA1116424A1 Control system for air conditioner
01/12/1982US4310337 Cryogenic apparatus
12/1981
12/22/1981US4306419 Brushless DC motor driven cryogenic refrigeration system
12/15/1981US4305741 Self-regulating refrigerator
12/08/1981US4304099 Means and method for the recovery of expansion work in a vapor compression cycle device
12/01/1981US4303427 Cascade multicomponent cooling method for liquefying natural gas
12/01/1981US4302949 Refrigeration and heating system
11/1981
11/04/1981EP0038850A1 Valves for cryogenic refrigerators.
11/04/1981EP0038849A1 Cryogenic refrigerator with dual control valves
11/03/1981US4297856 3 He-4 He Dilution refrigerator
10/1981
10/28/1981EP0038360A1 Cryogenic apparatus.
10/27/1981US4296609 3 He-4 He refrigerator
10/27/1981US4296608 Cryogenic ceramic and apparatus
10/27/1981US4296607 Cryogenic ceramic and apparatus
10/20/1981US4296147 Thallous halide materials for use in cryogenic applications
10/20/1981US4295518 Combined air cycle heat pump and refrigeration system
10/14/1981EP0037772A1 Thermal separator with moving distributor
10/13/1981US4294600 Valves for cryogenic refrigerators
10/13/1981US4294077 Cryogenic refrigerator with dual control valves
10/07/1981EP0037102A1 Refrigeration system with clearance seal and discrete braking element
09/1981
09/29/1981US4291547 Screw compressor-expander cryogenic system
09/22/1981US4290272 Means and method for independently controlling vapor compression cycle device evaporator superheat and thermal transfer capacity
09/15/1981CA1108878A1 Vapor compression cycle device with multicomponent working fluid mixture and improved condensing heat exchanger
09/15/1981CA1108877A1 Vapor compression cycle device with multicomponent working fluid mixture and method of modulating its capacity
09/08/1981CA1108423A1 Vapor compression cycle device with multi-component working fluid mixture and method of modulating its capacity
09/08/1981CA1108422A1 Variable flow cryostat with dual orifice
08/1981
08/25/1981US4285701 Method for separating isotopes using a vortex tube
08/25/1981CA1107523A1 Temperature-adjustable vortex tube assembly
08/18/1981US4283924 Climatizing of aircraft
08/18/1981US4283919 Vapor compression cycle device with multi-component working fluid mixture and method of modulating the thermal transfer capacity thereof
08/18/1981US4283916 Thermal exchange system and apparatus
08/11/1981US4282716 Stirling cycle refrigerator
08/04/1981US4281517 Single stage twin piston cryogenic refrigerator
07/1981
07/28/1981US4280807 Autoclave furnace with cooling system
07/14/1981US4278090 Cryosurgical device
07/14/1981US4277949 Cryostat with serviceable refrigerator
07/14/1981US4277948 Cryogenic cooler with annular regenerator and clearance seals
07/14/1981US4277947 Cryogenic cooler having telescoping multistage regenerator-displacers
07/07/1981CA1104360A1 Anti-icing noise-suppressing vortex tube assembly
06/1981
06/30/1981US4275857 Cooling system for ramjet engine
06/30/1981US4275734 Cryosurgical apparatus and method
06/30/1981US4275565 Transfer device for a cryogenic medium
06/24/1981EP0030636A2 Screw compressor-expander cryogenic system with magnetic coupling
06/16/1981US4272963 Cyclic energy transformation apparatus
05/1981
05/05/1981CA1100317A1 Method and apparatus for converting thermal energy to mechanical energy
04/1981
04/30/1981WO1981001192A1 Cryogenic apparatus
04/30/1981WO1981001191A1 Valves for cryogenic refrigerators
04/30/1981WO1981001190A1 Cryogenic refrigerator with dual control valves
04/22/1981EP0027182A2 Expansion engine
04/14/1981US4262200 Detectors, and envelope arrangements and mounts for detectors
04/07/1981US4259844 Stacked disc heat exchanger for refrigerator cold finger
03/1981
03/24/1981US4257794 Method of and apparatus for separating a gaseous hydrocarbon mixture
03/11/1981EP0025021A1 Device for cryosurgical treatment with a high-efficiency heat exchange unit
03/03/1981US4253859 Gas refrigerator
02/1981
02/10/1981US4249378 Thermally actuated heat pump
02/10/1981CA1095596A1 High temperature magnetic refrigerator
02/03/1981CA1094834A1 Bimaterial demand-flow cryostat
02/03/1981CA1094806A1 Fluid conditioning apparatus and system
01/1981
01/27/1981US4246957 Autoclave furnace with cooling system
01/13/1981US4244192 Refrigeration system and reciprocating compressor therefor with pressure stabilizing seal
01/13/1981CA1093332A1 Self-pressurizing cryogenic apparatus and method
01/13/1981CA1093303A1 Efficiency air cycle environmental control system
1 ... 87 88 89 90 91 92 93 94 95 96 97 98 99