Patents for F25B 1 - Compression machines, plant or systems with non-reversible cycle (15,293)
01/1980
01/15/1980US4183225 Process and apparatus to substantially maintain the composition of a mixed refrigerant in a refrigeration system
01/01/1980US4180986 Refrigeration system on/off cycle
01/01/1980CA1068916A Refrigerator with a motor compressor resiliently held in a capsule
12/1979
12/18/1979CA1068380A1 Heat pump system with multi-stage centrifugal compressors
11/1979
11/13/1979US4173994 Solar energy heating and cooling apparatus and method
11/01/1979WO1979000874A1 Heating device
10/1979
10/23/1979US4171623 Thermal economizer application for a centrifugal refrigeration machine
10/17/1979EP0004609A2 Screw compressor-expander cryogenic system
10/02/1979US4169361 Method of and apparatus for the generation of cold
09/1979
09/06/1979WO1979000641A1 Process for supplying or removing heat to or from a condensable fluid
09/05/1979EP0003927A1 Method for supplying or extracting heat to or from a condensable working fluid and a device working according to this method
09/04/1979US4166365 Apparatus for liquefying refrigerant and generating low temperature
09/04/1979CA1061757A1 Thermopump
08/1979
08/21/1979US4164850 Combined engine cooling system and waste-heat driven automotive air conditioning system
07/1979
07/10/1979CA1057966A1 Air source heat pump with multiple slide rotary screw compressor/expander
06/1979
06/05/1979US4157015 Hydraulic refrigeration system and method
05/1979
05/22/1979CA1054812A1 Refrigeration system subcooling control
05/01/1979US4151724 Pressurized refrigerant feed with recirculation for compound compression refrigeration systems
05/01/1979CA1153954B Cooling method and arrangement
05/01/1979CA1053569A1 Cooling method and arrangement
04/1979
04/17/1979US4149585 Process and apparatus for heat exchange between fluids
04/17/1979CA1052588A1 Method and means for cooling the oil in a system including a compressor with oil supply, as well as such systems
04/10/1979US4148436 Solar augmented heat pump system with automatic staging reciprocating compressor
03/1979
03/20/1979US4144717 Dual flash economizer refrigeration system
03/06/1979US4142381 Flash type subcooler
02/1979
02/27/1979US4141708 Dual flash and thermal economized refrigeration system
02/27/1979CA1049275A1 Refrigeration system
02/06/1979US4137726 Capacity control system of compressor for heat-pump refrigeration unit
01/1979
01/30/1979US4136528 Refrigeration system subcooling control
01/10/1979EP0000205A1 Heat pump apparatus and method for increasing the heat content of a fluid and thereafter transferring the heat content to an ambient atmosphere
01/02/1979US4132086 Temperature control system for refrigeration apparatus
12/1978
12/19/1978CA1044592A1 Refrigeration process, in particular for liquefying a gas
12/12/1978US4129012 Heat transfer method and apparatus
12/05/1978CA1043583A1 Heat pumps
11/1978
11/28/1978CA1043116A1 Compressor refrigeration plant
10/1978
10/17/1978US4120316 Flow control valve assembly
10/17/1978US4120173 Head pressure control system for refrigeration apparatus
10/17/1978US4120172 Heat transport system
10/17/1978CA1040445A1 Heat pump with high efficiency reversible helical screw rotary compressor
09/1978
09/12/1978US4112703 Refrigeration control system
09/12/1978US4112701 Method and means for cooling the oil in a system including a compressor with oil supply, as well as such systems
08/1978
08/15/1978CA1036584A1 Lubricant-refrigerant system for centrifugal refrigeration compressors
08/01/1978US4103506 Method and arrangement for controlling the operation of a cooling system in an automotive vehicle
07/1978
07/25/1978US4102392 Low energy consumption air conditioning system
07/25/1978US4102150 Control system for refrigeration apparatus
07/25/1978US4102149 Variable capacity multiple compressor refrigeration system
06/1978
06/27/1978US4096708 Compressor refrigeration plant
06/27/1978US4096706 Free condensing liquid retro-pumping refrigerator system and method
06/13/1978US4094169 Expander-compressor transducer
05/1978
05/02/1978USRE29621 Variable capacity multiple compressor refrigeration system
04/1978
04/25/1978US4086072 Air source heat pump with multiple slide rotary screw compressor/expander
04/18/1978US4084406 Chiller controls
04/18/1978US4084405 Refrigerating system
04/11/1978US4083196 Compressor refrigeration plant
04/04/1978US4081971 Air cooled centrifugal refrigeration machine with provision to prevent evaporator freezing
03/1978
03/14/1978US4078392 Direct contact heat transfer system using magnetic fluids
01/1978
01/31/1978US4070871 Method of cold production and devices for the practical application of said method
01/17/1978US4068494 Power saving capacity control for air cooled condensers
01/10/1978US4067205 Super cooler for an air conditioning system
12/1977
12/27/1977US4065279 Scroll-type apparatus with hydrodynamic thrust bearing
12/13/1977US4062199 Refrigerating apparatus
11/1977
11/29/1977US4059968 Refrigeration system
11/22/1977US4058988 Heat pump system with high efficiency reversible helical screw rotary compressor
11/01/1977US4055965 Heat pump installation
10/1977
10/04/1977US4051691 Air conditioning apparatus
07/1977
07/05/1977US4033738 Heat pump system with multi-stage centrifugal compressors
06/1977
06/28/1977US4032312 Refrigeration efficiency
06/28/1977US4031712 Combined absorption and vapor-compression refrigeration system
06/07/1977US4027496 Dual liquid delivery and separation apparatus and process
05/1977
05/17/1977US4023948 Solar energy refrigeration and air conditioning system
05/17/1977US4023946 Rectification system for the separation of fluids
04/1977
04/26/1977US4019679 Thermostatically controlled heating arrangement including a heat pump
04/26/1977US4019343 Refrigeration system using enthalpy converting liquid turbines
04/26/1977US4019337 Refrigeration apparatus and method
04/19/1977US4018583 Vapor compression, heat exchanging
03/1977
03/29/1977US4014182 Method of improving refrigerating capacity and coefficient of performance in a refrigerating system, and a refrigerating system for carrying out said method
03/29/1977US4014181 Air conditioning methods and apparatus
03/01/1977US4009587 Combined loop free-piston heat pump
02/1977
02/15/1977US4007776 Heating and cooling system utilizing solar energy
01/1977
01/18/1977US4003213 Triple-point heat pump
01/04/1977US4000626 Liquid convection fluid heat exchanger for refrigeration circuit
11/1976
11/30/1976US3994142 Heat reclaim for refrigeration systems
11/09/1976US3990264 Refrigeration heat recovery system
11/02/1976US3988901 Dual loop heat pump system
10/1976
10/05/1976US3984224 Air conditioning system for a motor home vehicle or the like
09/1976
09/07/1976US3978685 Means for trapping oil lost during startup of refrigerant compressors
06/1976
06/01/1976US3960210 Device for fixing tube plates and lateral flanges of heat exchangers
05/1976
05/11/1976US3955374 Refrigeration apparatus and method
04/1976
04/27/1976US3952533 Multiple valve refrigeration system
01/1976
01/27/1976US3934424 Refrigerant expander compressor
01/20/1976US3933004 Refrigeration control systems
01/13/1976US3932159 For high pressure refrigerant
01/13/1976US3931718 Refrigerant screw compression with liquid refrigerant injection