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)
09/1982
09/21/1982US4350022 Refrigerant transfer system
09/21/1982CA1131924A1 Reduced power consumption air conditioning
09/07/1982US4347977 Temperature responsive expansion valve
09/07/1982US4347976 Regulating circuit for the valve of a refrigeration plant
08/1982
08/31/1982US4346566 Refrigeration system gravity defrost
08/17/1982US4344566 Thermostatic expansion valve
08/10/1982CA1129221A1 Motor cooling system for refrigeration machine
08/05/1982WO1982002588A1 Heat pump arrangement
08/03/1982US4342421 Thermostatic expansion valve for a refrigeration system
07/1982
07/28/1982EP0056780A2 Disposition of heat pumps
07/27/1982US4341090 Variable orifice metering
07/27/1982US4341086 Refrigeration system
07/20/1982US4340202 Four way valve
07/14/1982EP0055959A2 Heat pump
07/13/1982CA1127409A1 Compression refrigerator unit adjustable in accordance with the liquid flowing out from the evaporator
06/1982
06/29/1982US4336695 Compression refrigeration unit adjustable in accordance with the liquid flowing out from the evaporator
06/22/1982US4335742 Evaporator pressure regulator
06/08/1982US4333317 Superheat controller
06/02/1982EP0052773A2 Distributing device
06/01/1982US4332273 Leakproof refrigerant connector
05/1982
05/11/1982CA1123404A1 Actuating apparatus for adjusting a movable element, particularly the closure member of a valve
05/04/1982US4327774 Reversing valve construction and parts therefor and methods of making the same
04/1982
04/27/1982US4326387 Fluidic time delay system
04/20/1982US4325508 Thermostatic expansion valve with remote adjustment
04/13/1982US4324112 Refrigeration system
04/06/1982CA1121486A1 Controllable heating means for small masses, particularly the expansion medium in heat setting apparatuses
04/06/1982CA1121170A1 Expansion device with adjustable refrigerant throttling
03/1982
03/09/1982US4318529 Actuating apparatus for adjusting a movable element, particularly the closure member of a valve
03/09/1982US4318425 Refrigerant flow reversing valve
02/1982
02/10/1982EP0045659A2 Control of vapour compression cycle refrigeration systems
02/09/1982US4314452 Compressor discharge converter
02/02/1982US4313315 Compressor refrigeration circuits
02/02/1982US4313314 Air conditioner/heat pump conversion apparatus
01/1982
01/19/1982US4311498 Desuperheater control system in a refrigeration apparatus
01/19/1982US4311020 Combination reversing valve and expansion device for a reversible refrigeration circuit
12/1981
12/23/1981EP0042117A2 Heat pump
12/22/1981US4306421 Heat exchanger capillary tube routing
12/08/1981US4304099 Means and method for the recovery of expansion work in a vapor compression cycle device
12/08/1981CA1113732A1 Combination process tube and vibration attenuator for a refrigeration circuit
11/1981
11/17/1981US4300357 By-pass valve for automotive air conditioning system
11/11/1981EP0039390A2 Dehydrating and filtering unit for a refrigerant circuit
10/1981
10/28/1981EP0038374A1 A compression refrigerator unit adjustable in accordance with the liquid flowing out from the evaporator
10/07/1981EP0036986A2 Heat exchanger capillary tube arrangement
10/06/1981US4292720 Method of making reversing valve construction and parts therefor
09/1981
09/29/1981US4291544 Control apparatus for the low pressure evaporator of a refrigeration plant
09/22/1981US4290453 Reversing valve construction and method of making the same
09/22/1981US4290276 Valve with frangible closure
09/01/1981US4286438 Condition responsive liquid line valve for refrigeration appliance
08/1981
08/25/1981US4285210 Self-contained heating and cooling apparatus
08/25/1981US4285205 Refrigerant sub-cooling
08/11/1981CA1106628A1 High efficiency heat exchanger for refrigeration suction line/capillary tube assembly
07/1981
07/14/1981US4278502 Chemical recovery apparatus
06/1981
06/16/1981US4272970 Compression refrigeration system
06/10/1981EP0029935A2 Expansion device with adjustable refrigerant throttling and reversible refrigeration system using such an expansion device
05/1981
05/26/1981US4269042 Centrifuge refrigeration system
05/26/1981US4268947 Method of securing a capillary tube passing through a wall
05/19/1981US4267702 Refrigeration system with refrigerant flow controlling valve
05/06/1981EP0028135A2 Refrigerant flow reversing valve
04/1981
04/30/1981WO1981001183A1 Refrigerant flow reversing valve
04/29/1981EP0027754A2 Heat exchange unit using a refrigerating fluid provided with a defrosting system
04/28/1981US4263787 Expansion device with adjustable refrigerant throttling
04/21/1981US4262492 Airconditioner
04/14/1981US4261180 Refrigerator
04/14/1981CA1099121A1 Fluidic time delay system
04/07/1981US4259848 Refrigeration system
03/1981
03/31/1981US4258899 Actuating apparatus for adjusting a movable element, particularly the closure member of a valve
03/31/1981US4258553 Vapor compression refrigeration system and a method of operation therefor
03/17/1981US4255939 Four way reversing valve
03/10/1981US4254634 Control valve to be employed for refrigerator and air conditioner
03/10/1981US4254631 Method and apparatus for satisfying heating and cooling demands and control therefor
02/1981
02/24/1981US4252003 Reduced power consumption air conditioning
02/03/1981US4248377 Controllable heating means for small masses, particularly the expansion medium in heat setting apparatuses
02/03/1981US4248058 Differential piston type reversing valve construction, system utilizing the same and method of making
01/1981
01/28/1981EP0023145A1 Method of transporting a load of living shell-fish and apparatus usable in such transportation
01/20/1981CA1093849A1 Energy conservation system having improved means for controlling receiver pressure
01/13/1981US4244182 Apparatus for controlling refrigerant feed rate in a refrigeration system
01/07/1981EP0021202A1 Thermostatic expansion valve
01/06/1981CA1093182A1 Refrigeration control system
12/1980
12/30/1980US4241486 Methods of making a reversing valve construction and a valve member therefor
12/24/1980WO1980002869A1 Circulation pump for liquid and/or gas medium
12/23/1980US4240469 Reversing valve construction and parts therefor and methods of making the same
12/23/1980US4240266 Apportioning means for refrigeration system
12/23/1980CA1091941A1 Valve for refrigeration plant
12/23/1980CA1091940A1 Valve for liquid injection into a refrigerant evaporator
12/16/1980US4239177 Electrically operated valve with balanced port design
12/16/1980US4238933 Energy conserving vapor compression air conditioning system
12/16/1980US4238932 High pressure charge storage system
12/16/1980CA1091462A1 Control apparatus for the low pressure evaporator of a refrigeration plant
12/09/1980US4237698 Motor cooling system for refrigeration machine
12/02/1980US4236669 Thermostatic expansion valve with lead-lag compensation
11/1980
11/26/1980EP0019124A1 Heat pump and process for operating the same
11/04/1980US4231229 Energy conservation system having improved means for controlling receiver pressure
11/04/1980US4231228 Combination process tube and vibration attenuator for a refrigeration circuit
10/1980
10/28/1980US4230470 Air conditioning system
10/28/1980US4229949 Refrigeration system
10/21/1980US4228662 Cryogenic apparatus
10/14/1980US4227380 Single casing, multiple duty valve
10/14/1980CA1087412A1 High side pressure limiting thermostatic expansion valve
10/14/1980CA1087409A1 Heat exchange system using refrigerant
09/1980
09/23/1980US4223537 Air cooled centrifugal water chiller with refrigerant storage means
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