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)
06/1989
06/07/1989EP0190319B1 Refrigerator or heat pump and jet pump therefor
06/06/1989US4835980 Method for controlling refrigerating system
06/06/1989US4835976 Controlling superheat in a refrigeration system
05/1989
05/31/1989EP0318420A1 Control apparatus for refrigerated cargo container
05/30/1989US4835715 Outdoor ambient temperature determination
05/30/1989US4833893 Refrigerating system incorporating a heat accumulator and method of operating the same
05/30/1989CA1254756A1 Method and apparatus for maximizing refrigeration capacity
05/23/1989US4832068 Liquid/gas bypass
05/23/1989US4831835 Refrigeration system
05/17/1989EP0315780A2 Indicating refrigerant liquid saturation point
05/16/1989US4829786 Flooded evaporator with enhanced oil return means
05/02/1989CA1253352A1 Refrigeration system with refrigerant pre-cooler
04/1989
04/24/1989EP0246275A4 Thermally powered engine.
04/18/1989US4821527 Cooling device equipped with a variable displacement type compressor
04/11/1989US4820130 Temperature sensitive solenoid valve in a scroll compressor
04/11/1989US4819440 Sliding-vane rotary compressor with displacememt-adjusting mechanism, and controller for such variable displacement compressor
04/04/1989CA1252177A1 Device for controlling the capacity of a variable capacity compressor
03/1989
03/23/1989WO1989002456A1 Refrigerant
03/23/1989WO1989002455A1 Refrigerant
03/14/1989US4812250 Working fluid mixtures for use in thermodynamic compression cycles comprising trifluoromethane and chlorodifluoroethane
03/08/1989EP0306405A1 Methods and devices for cooling a motor of a refrigerating machine with liquid and economiser gaz
03/07/1989US4810403 Halocarbon blends for refrigerant use
03/07/1989US4809523 Thermal cooling and heat transfer system
03/07/1989US4809521 Low pressure ratio high efficiency cooling system
02/1989
02/28/1989US4807445 Refrigeration system
02/28/1989CA1250442A1 System for controlling flow rate of refrigerant
02/22/1989EP0197839B1 Method and device for heating vehicles with a reduced power requirement
02/21/1989US4806839 Device for energizing a hermetic motor using inverter
02/14/1989US4803848 Cooling system
02/07/1989US4802712 Antilock system for a vehicle having power-assisted hydraulic multiple-circuit brake system
02/07/1989US4802529 Refrigerant-heating type heating apparatus
02/07/1989CA1249731A1 Constant evaporator pressure slide valve for screw compressor refrigeration system
01/1989
01/18/1989EP0299614A2 Halocarbon blends for refrigerant use
01/18/1989CN1030472A Compression type electric refrigerator
01/17/1989US4798059 Air conditioner with heat regeneration cycle
01/17/1989US4798057 Refrigerating apparatus and control method thereof
01/04/1989EP0297514A1 Refrigerant circuit with passagaway control mechanism
01/04/1989EP0297221A2 Device for airconditioning the passenger compartment of a motor vehicle
01/04/1989EP0196314B1 A cooling or refrigerating system
01/03/1989US4795618 Heat exchanger
12/1988
12/28/1988CN88103467A Halohydrocarbon mixture for use as freezing-mixture
12/28/1988CN88102403A Immiscible propellant and refrigerant paris for ejector-type refrigeration systems
12/27/1988US4793154 Centrifugal heat pump
12/14/1988EP0294917A1 Immiscible propellent and refrigerant pairs for ejector-type refrigerant systems
12/06/1988US4789025 Control apparatus for refrigerated cargo container
11/1988
11/29/1988US4787213 Regulating mechanism for the refrigerant flow to the evaporator or refrigerating systems or heat pumps and expansion valves arranged in the refrigerant flow
11/29/1988US4787211 Refrigeration system
11/08/1988US4783276 Refrigerant and a machine having a refrigerating circuit with refrigerant
11/01/1988US4781738 Liquid-gas contactor for non-azeotropic mixture refrigerant
10/1988
10/20/1988WO1988008108A1 Refrigerated tank container
10/19/1988CN87101531A Energy saving refrigeration installation for miniature cold storage
10/18/1988US4777805 Heat pump system
09/1988
09/28/1988EP0283954A2 Compressor drive system and air conditioner using the same
09/27/1988US4773229 Method for refrigeration systems
09/21/1988EP0283323A2 Refrigeration circuit
09/21/1988EP0282772A2 Operating method for an air conditioning system
09/20/1988CA1242086A1 Highly efficient flexible two-stage refrigeration system
09/14/1988CN87101681A Adiabatic expansion-bleed air regenerative refrigerating method and unit
09/14/1988CN85109118B Circular system for freezing
09/13/1988US4769999 Liquid-gas contactor for non-azeotropic mixture refrigerant
09/13/1988CA1241848A1 Twin reservoir heat transfer circuit
09/01/1988DE3705849A1 Refrigerating plant
08/1988
08/31/1988EP0280355A1 Refrigerant and a machine having a refrigerating circuit with refrigerant
08/24/1988CN87100549A Turbulent flow expension engine
08/23/1988US4765148 Air conditioning system including pump driven by waste heat
08/09/1988US4761970 Immiscible propellant and refrigerant pairs for ejector-type refrigeration systems
08/03/1988EP0276491A2 Control system for air cooling
07/1988
07/21/1988DE3800241A1 Kaelteanlage Kaelteanlage
07/19/1988US4757694 Energy saving accessory for air conditioning units
07/19/1988CA1239458A1 Control system for an electronic expansion valve in a refrigeration system
07/12/1988CA1239206A1 Method and apparatus for controlling refrigerant flow in a refrigeration system
06/1988
06/30/1988DE3642987A1 Combined refrigerating and heat pump plant, with heat recovery
06/29/1988EP0272953A1 Mixtures of working fluids for use in thermodynamic compression cycles, comprising trifluoromethane and chlorodifluoroethane
06/22/1988EP0272196A2 Outdoor ambient temperature controlled heat-pump system
06/21/1988CA1238394A1 Refrigeration heat pump and auxiliary heating apparatus control system with switchover during low outdoor temperature
06/14/1988US4750672 Minimizing off cycle losses of a refrigeration system in a heating mode
06/14/1988US4750337 Oil management in a parallel compressor arrangement
06/08/1988EP0270474A1 Electrically commutated, variable speed compressor control system
06/08/1988EP0270015A2 Refrigerating installation
06/07/1988US4748831 Refrigeration plant and rotary positive displacement machine
06/07/1988US4748826 Refrigerating or heat pump and jet pump for use therein
06/07/1988US4748820 For product-display cases
05/1988
05/24/1988US4745777 Refrigerating cycle apparatus
05/24/1988CA1237182A1 Capacity control systems for inverter-driven centrifugal compressor based water chillers
05/24/1988CA1236988A1 Flow-through surge receiver
05/11/1988CN87207033U Low-temperature refrigerant machine
05/10/1988US4742694 Refrigerant apparatus
05/10/1988CA1236311A1 Non-flooding remote air cooled condensers
04/1988
04/26/1988US4739632 Liquid injection cooling arrangement for a rotary compressor
04/26/1988US4739628 Extended range heat pump system and centrifugal compressor for use therewith
04/05/1988US4735058 Air conditioning apparatus
03/1988
03/30/1988EP0261507A1 Sliding-vane rotary compressor with displacement-adjusting mechanism, and controller for such variable displacement compressor
03/29/1988US4734628 Electrically commutated, variable speed compressor control system
03/24/1988DE3728518A1 Miniaturisierte kuehlanordnung mit elektrischem antrieb Miniaturized kuehlanordnung with electric drive
03/22/1988US4732007 Auxiliary thermal interface to cooling/heating systems
03/16/1988EP0259333A1 Refrigeration plant and rotary positive displacement machine.
03/15/1988CA1233991A1 Unequal compressor refrigeration control system
03/09/1988EP0258234A1 Refrigeration system.
03/08/1988CA1233799A1 Integral slide valve-oil separator apparatus in a screw compressor
03/08/1988CA1233656A1 Method and apparatus for controlling a refrigerant expansion valve in a refrigeration system
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