Patents
Sitemap › F25 - Refrigeration or cooling; Combined heating and refrigeration systems; Heat pump systems; Manufacture or storage of ice; Liquefaction or solidification of gases › F25B - Refrigeration machines, plants, or systems; Combined heating and refrigeration systems; Heat pump systems › F25B 1 - Compression machines, plant or systems with non-reversible cycle
Patents for F25B 1 - Compression machines, plant or systems with non-reversible cycle (15,293)
04/1985
04/23/1985US4512728 Combined rotary pump and compressor unit
04/17/1985EP0137731A2 Method and system of control for a cluthless variable displacement cooling system
04/16/1985US4510764 Control method for air conditioning systems for vehicles
04/09/1985US4510064 Dichlorodifluoromethane, chlorodifluoromethane chlorodifluoroethan, azeotropes
04/09/1985US4509341 Economizer device for a refrigerating machine, a heat-pump or the like
04/02/1985US4507936 Integral solar and heat pump water heating system
04/02/1985US4507934 Refrigerating systems having differential valve to control condenser outflow
04/02/1985US4507932 Control system for air conditioning systems
03/1985
03/26/1985US4506521 Cooling and heating device
03/26/1985US4506518 Cooling control system and expansion valve therefor
03/26/1985US4506516 Refrigeration unit compressor control
03/20/1985EP0134638A1 Helical screw rotary compressor for air conditioning system
03/19/1985US4505124 Heat management system for aircraft
03/12/1985US4503684 Control apparatus for centrifugal compressor
03/05/1985CA1183502A1 Unloading control system for helical screw compressor refrigeration system
02/1985
02/19/1985US4499739 Control device for refrigeration cycle
02/12/1985US4498999 Process for the heating and/or thermal conditioning of a building by means of a heat pump operated with a specific mixture of working fluids
02/12/1985US4498310 Heat pump system
02/12/1985CA1182296A1 Refrigeration system with receiver bypass
02/05/1985US4497185 Oil atomizing compressor working fluid cooling system for gas/vapor/helical screw rotary compressors
01/1985
01/29/1985US4495779 Air conditioner
01/22/1985US4494386 Vapor refrigeration cycle system with constrained rotary vane compressor and low vapor pressure refrigerant
01/22/1985US4494383 Air-conditioner for an automobile
01/22/1985US4494382 Method and apparatus for controlling when to initiate an increase in compressor capacity
01/16/1985EP0131250A2 Refrigeration plant
01/15/1985CA1180910A2 Apparatus for improving the coefficient of performance in an energy transfer system
12/1984
12/27/1984CA1179997A Screw compressor slide valve engine rpm tracking system
12/12/1984EP0127711A1 Air dryer and method of dehumidifying air
12/11/1984US4487031 Method and apparatus for controlling compressor capacity
12/11/1984CA1179161A1 Heat pump type airconditioner
12/11/1984CA1179159A2 Method and apparatus for recovering waste energy
12/05/1984EP0127265A2 Control of chilled water temperature
12/04/1984US4485635 Control device for a compressor in a refrigerating system
12/04/1984US4485634 Control device for air conditioner for automobile
11/1984
11/28/1984EP0126673A1 Refrigeration plant with centralized cold production
11/20/1984US4483154 Refrigerated air conditioning system using diaphragm pump
11/13/1984US4482007 Air conditioner control apparatus
11/06/1984CA1177559A1 Energy management system for refrigeration systems
10/1984
10/31/1984EP0123638A2 A system for draining liquid refrigerant from a subcooler in a vapor compression refrigeration system
10/24/1984EP0042434B1 Method of amplifying heat
10/23/1984US4478054 Helical screw rotary compressor for air conditioning system having improved oil management
10/23/1984US4478050 Oil separation for refrigeration system
10/16/1984US4476692 Automotive refrigeration system
10/16/1984US4476691 Refrigeration cycle apparatus
10/11/1984WO1984003933A1 Method of controlling temperature in refrigerator
10/09/1984US4475686 Valve for liquid injection into a refrigerant evaporator
10/09/1984US4475360 Refrigeration system incorporating scroll type compressor
10/09/1984US4475354 System for draining liquid refrigerant from a subcooler in a vapor compression refrigeration system
10/02/1984US4474019 Method of recirculating oil in refrigerating systems
10/02/1984US4474018 Heat pump system for production of domestic hot water
09/1984
09/26/1984EP0119777A2 Centrifugal heat pump
08/1984
08/28/1984US4468337 Dichlorodifluoromethane, trifluoromethane
08/28/1984US4467621 Fluid/vacuum chamber to remove heat and heat vapor from a refrigerant fluid
07/1984
07/31/1984US4462219 Refrigeration system
07/24/1984US4461635 Cryopump or heat pump circuit
07/17/1984US4459818 Supervisory control of chilled water temperature
07/10/1984US4458498 Method of and apparatus for amplifying heat
07/03/1984US4457768 Control of a refrigeration process
07/03/1984US4457138 Refrigeration system with receiver bypass
07/03/1984CA1170067A1 Production of heat with a heat pump using a specific mix of work fluids
06/1984
06/26/1984CA1169668A1 Precool/subcool system and condenser therefor
06/19/1984US4454725 Method and apparatus for integrating a supplemental heat source with staged compressors in a heat pump
05/1984
05/29/1984US4450690 Thermally powered, gravitationally assisted heat transfer systems
05/22/1984CA1167655A1 Oil cooling apparatus for refrigeration screw compressor
05/16/1984EP0108138A1 Heat pump system for production of domestic hot water
05/08/1984US4446704 Air conditioning apparatus with temperature regulated cooling
05/02/1984EP0107495A2 Combined refrigeration and heating circuits
04/1984
04/25/1984EP0106414A2 Refrigerating system comprising a two-stage compression device
04/24/1984US4444017 Method and apparatus for controlling the operation of a compressor crankcase heater
04/10/1984US4441901 Heat pump type airconditioner
04/03/1984US4439997 Energy management system for multi stage refrigeration systems
03/1984
03/27/1984US4438638 Refrigeration process using two-phase turbine
03/27/1984US4438635 Evaporative condenser refrigeration system
03/27/1984US4438633 Method and apparatus for using low grade thermal energy to improve efficiency of air conditioning and refrigeration systems
03/27/1984CA1164231A1 Freezing or cooling plant
03/20/1984US4437316 Method and apparatus for recovering waste energy
03/06/1984US4434626 In a single circuit refrigeration plant
02/1984
02/21/1984US4432212 Hermetic turbo-refrigerator apparatus
02/01/1984EP0099441A2 Apparatus for recovery of heat from fumes in a heating system or from the ambient air
01/1984
01/31/1984US4428853 Fluorocarbons
01/24/1984CA1161139A1 Capacity control systems for screw compressor based water chillers
01/24/1984CA1160853A1 Method and apparatus for recovering waste energy
01/10/1984US4424681 Hydraulic refrigeration system and method
12/1983
12/20/1983US4420947 Heat pump air conditioning system
12/13/1983US4419865 Oil cooling apparatus for refrigeration screw compressor
12/06/1983US4418546 Continuous tube refrigeration system
11/1983
11/29/1983CA1157670A2 Series compressor refrigeration circuit with liquid quench and compressor by-pass
11/24/1983WO1983004088A1 Heat pump system for production of domestic hot water
10/1983
10/05/1983EP0090760A2 Method and apparatus for controlling the operation of a compressor crankcase heater
09/1983
09/27/1983US4406135 Heating and thermal conditioning process making use of a compression heat pump operating with a mixed working fluid
09/20/1983US4404812 Method and apparatus for controlling the operation of a centrifugal compressor in a refrigeration system
09/20/1983US4404811 Method of preventing refrigeration compressor lubrication pump cavitation
08/1983
08/30/1983US4400948 Air dryer
08/23/1983US4399663 Mechanical control system for preventing compressor lubrication pump cavitation in a refrigeration system
08/23/1983CA1152343A1 Refrigeration system
08/16/1983US4398396 Motor-driven, expander-compressor transducer
08/16/1983CA1152185A1 Method and apparatus for transport refrigeration system control
08/10/1983EP0085247A1 A control device for a compressor in a refrigerating system
08/10/1983EP0085246A1 A control circuit for a variable displacement air conditioning compressor
07/1983
07/26/1983US4394816 Heat pump system
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