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 41 - Fluid-circulation arrangements, e.g. for transferring liquid from evaporator to boiler
Patents for F25B 41 - Fluid-circulation arrangements, e.g. for transferring liquid from evaporator to boiler (17,040)
12/1986
12/16/1986US4628700 Temperature optimizer control apparatus and method
12/10/1986CN85104561A Refrigerant-sucking collector
12/03/1986EP0203477A1 Refrigerant gas injection system for refrigeration cycle having a screw compressor
11/1986
11/18/1986US4622829 Refrigerating cycle
11/18/1986US4622828 Air-conditioning and refrigerating system
11/11/1986US4621505 For a refrigeration system
11/11/1986US4621502 Electronic temperature control for refrigeration system
11/11/1986US4621501 Refrigeration system having auxiliary cooling for control of coolant flow
11/05/1986EP0200669A2 Refrigeration system with adjustable pressure regulating solenoid valve
11/04/1986US4620424 Method of controlling refrigeration cycle
10/1986
10/28/1986US4619118 Reversible compressor
10/28/1986US4619115 Evaporator system
10/22/1986EP0198539A1 Method of operating an absorption heat pump or refrigerator, and an absorption heat pump or refrigerator
10/21/1986US4618092 Refrigerant flow rate control device
10/21/1986US4617804 Refrigerant flow control device
10/14/1986US4616484 Vehicle refrigerant heating and cooling system
10/08/1986EP0196314A1 A cooling or refrigerating system.
10/08/1986CN85109605A Refrigerating means for air conditioner and refrigerator of vehicle
09/1986
09/30/1986US4614327 Valve for volatile liquids, particularly expansion valve for refrigeration plants
09/23/1986US4612795 Method of forming a groove in a valve seat and the tool used in this method
09/23/1986US4612783 Selectively variable flowrate expansion apparatus
09/16/1986US4611473 Refrigeration system with integral check valve
08/1986
08/19/1986US4606199 Expansion valve
08/19/1986US4606198 Parallel expansion valve system for energy efficient air conditioning system
08/13/1986EP0190319A1 Refrigerator or heat pump and jet pump therefor.
07/1986
07/30/1986EP0188630A2 Air conditioning apparatus
07/15/1986US4599873 Apparatus for maximizing refrigeration capacity
06/1986
06/17/1986US4594858 Highly efficient flexible two-stage refrigeration system
06/10/1986US4593881 Electronic expansion valve
06/10/1986US4593535 Used in a refrigeration circuit
06/10/1986US4593534 Electrochemically driven heat pump
05/1986
05/20/1986US4589265 Heat exchanger for an air conditioning system evaporator
05/20/1986US4589263 Multiple compressor oil system
05/14/1986EP0181276A2 Reversible compressor
05/13/1986CA1204297A1 Cooling and heating device
05/06/1986US4586828 Measuring device for detecting a liquid component in refrigerant
05/06/1986US4586351 Heat pump with multiple compressors
04/1986
04/29/1986US4584844 Heat pump
04/22/1986US4583684 Method for controlling a temperature
04/22/1986US4583374 Temperature and liquid level control system for fluid cycles
04/01/1986US4578960 Automotive refrigeration
03/1986
03/27/1986WO1986001882A1 Device for returning oil to at least one compressor in a cooling or refrigerating system
03/26/1986EP0175374A1 Reversing valve assembly
03/25/1986US4577469 Device for detecting overcharge of refrigerant in air conditioner for automobiles
03/25/1986US4577468 Refrigeration system with refrigerant pre-cooler
03/18/1986US4576011 Air conditioning system and method of operation
03/13/1986WO1986001582A1 Refrigerator or heat pump and jet pump therefor
03/12/1986EP0174292A2 Defrosting method for evaporators of heat pump and refrigeration plants
03/05/1986EP0173580A2 Orifice tube for an automotive air conditioning system
03/05/1986EP0173138A2 Refrigerant reversing valve
03/04/1986US4573497 Refrigerant reversing valve
03/04/1986US4573327 Fluid flow control system
02/1986
02/25/1986US4571951 Electronic control for expansion valve in refrigeration system
02/19/1986EP0171815A2 Refrigeration system with integral check valve
02/12/1986EP0171240A2 Closed vapor cycle refrigerator
01/1986
01/28/1986US4566288 Refrigeration system
01/21/1986US4565072 Air-conditioning and refrigerating system
01/15/1986EP0167978A2 Suction tube heat exchanger and method of manufacture
01/14/1986US4564045 Reversing valve construction and method of making the same
01/14/1986US4563879 Heat pump with capillary tube-type expansion device
01/07/1986US4562700 Refrigeration system
12/1985
12/03/1985US4556193 Motor-driven expansion valve
12/03/1985CA1197436A1 Flange mounted thermostatic expansion valve
11/1985
11/27/1985EP0162720A2 Heat pump with capillary tube-type expansion device
11/26/1985US4554792 Method and apparatus for rehabilitating refrigerant
11/21/1985EP0161902A2 Refrigeration circuit
11/19/1985US4553402 Non-reversible multiple-refrigeration-cycle solar apparatus including a variable directing valve mechanism
11/12/1985US4551983 Refrigeration apparatus
11/05/1985US4550574 Refrigeration system with liquid bypass line
11/05/1985CA1196203A1 Oil separation for refrigeration system
10/1985
10/23/1985EP0159281A2 High-low superheat protection for a refrigeration system compressor
10/22/1985US4548047 Expansion valve
10/09/1985EP0156962A1 Expansion valve
10/08/1985US4545215 Refrigeration apparatus
10/02/1985EP0156707A1 Air conditioning plant using a heat pump with a static exterior heat exchanger and with dry vapour regulation by automatically changing the rate of flow through the expansion valve
10/02/1985EP0156702A1 Installation producing cold by means of accumulating and de-accumulating the output of a motor compressor
10/01/1985CA1194326A1 Receiver pressure control means for refrigeration systems of the energy conservation type
09/1985
09/24/1985US4542852 Vibration damping device for thermostatic expansion valves
09/24/1985US4542783 Refrigeration equipment
09/24/1985CA1193872A1 Heat pump
09/24/1985CA1193871A1 Refrigeration system with surge receiver and saturated gas defrost
09/04/1985EP0153557A2 Refrigeration cycle apparatus
07/1985
07/30/1985US4531378 Automotive refrigeration system
07/17/1985EP0148503A2 Differential pressure valve
07/10/1985EP0148108A2 Energy efficient air conditioning system utilizing a variable speed compressor and integrally-related expansion valves
07/10/1985EP0148102A2 Method and apparatus for controlling refrigerant flow in a refrigeration system
07/10/1985EP0147855A2 Refrigerating system
07/09/1985US4527399 High-low superheat protection for a refrigeration system compressor
07/03/1985EP0147357A2 Refrigeration system and incrementally adjustable electronic expansion valve
07/03/1985EP0147356A2 A control system for an electronic expansion valve in a refrigeration system
06/1985
06/26/1985EP0146486A2 Method and apparatus for controlling a refrigerant expansion valve in a refrigeration system
06/19/1985EP0145114A1 Pipe freezing device
06/18/1985US4523436 Incrementally adjustable electronic expansion valve
06/18/1985US4523435 Method and apparatus for controlling a refrigerant expansion valve in a refrigeration system
06/11/1985US4522038 Refrigerating cycle apparatus
06/11/1985US4522037 Refrigeration system with surge receiver and saturated gas defrost
05/1985
05/22/1985EP0142209A2 Plant, such as cooling plant or heat pump
05/21/1985US4517811 Refrigerating apparatus having a gas injection path
05/14/1985US4516408 Refrigeration system for refrigerant heating type air conditioning apparatus
04/1985
04/30/1985US4513581 Refrigerator cooling and freezing system
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