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 45 - Arrangements for charging or discharging refrigerant
Patents for F25B 45 - Arrangements for charging or discharging refrigerant (2,920)
05/1989
05/09/1989CA1253707A1 Refrigerant recovery and purification unit
05/05/1989WO1989003963A1 Refrigerant reclaim method and apparatus
04/1989
04/06/1989DE3731373A1 Method and device for disposing of wastes from refrigerant circuits
03/1989
03/23/1989WO1989002567A1 Method for rapid discharge of refrigerant from refrigeration system and heat pump systems
03/22/1989EP0308149A1 A method for drawing-off low boiling media from a pressure system and arrangement for carrying out the method
03/09/1989DE3728174A1 Refrigerant and oil disposal station for cooling devices, air-conditioning systems and other devices
03/07/1989US4809520 Refrigerant recovery and purification system
03/07/1989US4809515 Open cycle cooled refrigerant recovery apparatus
02/1989
02/21/1989US4805417 Dispensing tool assembly for charging a refrigerant into a system
02/21/1989US4805416 Refrigerant recovery, purification and recharging system
01/1989
01/26/1989WO1989000667A1 Device for withdrawing and bottling fluids
01/19/1989DE3805832A1 Fluid-abfuellvorrichtung Fluid abfuellvorrichtung
01/10/1989US4796436 Heat pump charging
01/04/1989EP0297221A2 Device for airconditioning the passenger compartment of a motor vehicle
12/1988
12/07/1988EP0293799A1 Control armature inserted in the flow route of a system for transferring pressure media in a gaseous and/or liquid state
10/1988
10/13/1988DE3810534A1 Process and apparatus for studying refrigerants in a closed system
10/13/1988DE3709737A1 Vorrichtung zum rueckgewinnen von kaeltemittel, insbesondere aus einer kaelteanlage Apparatus for rueckgewinnen of refrigerants, in particular from a kaelteanlage
10/11/1988US4776174 Refrigerant recovery device
10/06/1988WO1988007654A1 Apparatus for recovering refrigerant, in particular from a refrigeration system
09/1988
09/06/1988US4768347 Refrigerant recovery and purification system
08/1988
08/30/1988US4766733 Refrigerant reclamation and charging unit
08/23/1988US4765149 Refrigeration cycle apparatus
08/09/1988US4761961 Procedure for removal of low-boiling refrigerants from refrigerative and air-conditioning units
07/1988
07/20/1988EP0274727A2 Cooling circuit for an air conditioning plant
06/1988
06/28/1988US4753267 Refrigeration valve
06/15/1988EP0271429A1 Heat pump charging
05/1988
05/25/1988CN85105123B Control method for cutting heat tranfer element sheets from rolled sheet
03/1988
03/29/1988CA1234500A1 Valve apparatus for evacuating and/or filling a refrigeration system
02/1988
02/23/1988EP0244461A4 Refrigerant recovery and purification system.
02/02/1988US4722195 Heat pump with a reservoir storing higher pressure refrigerant of non-azeotropic mixture
01/1988
01/07/1988EP0250914A2 Method of withdrawing refrigerants with a low boiling point from refrigeration or air conditioning units
12/1987
12/08/1987US4711096 Leak detection and refrigerant purging system
11/1987
11/19/1987DE3616591A1 Method and device for transferring refrigerant from a refrigerating circuit into a refrigerant store
11/11/1987EP0244461A1 Refrigerant recovery and purification system.
10/1987
10/20/1987US4700549 On-board refrigerant charging system
10/13/1987US4698983 For the removal/replacement of oil from a crank case
10/07/1987EP0239837A2 Method of recuperating the condensation heat of a refrigeration system, and refrigeration system for carrying out the method
08/1987
08/25/1987US4688388 Service station for refrigeration equipment
07/1987
07/07/1987USRE32451 Weight-monitored air-conditioner charging station
07/02/1987DE3542421C1 Method of closing the process pipe piece of a compressor capsule of a refrigerating machine and device for implementing this method
05/1987
05/26/1987CA1222144A1 Apparatus for conveying liquids
05/07/1987WO1987002757A1 A freon recovery unit
04/1987
04/15/1987EP0217851A1 A method in a refrigeration process and a refrigeration device for carrying out said method.
03/1987
03/25/1987CN85105123A Method for manufacturing heat transfer element sheets for a rotary regenerative heat exchanger
03/03/1987US4646527 Refrigerant recovery and purification system
02/1987
02/03/1987CA1217464A1 Weight-monitored air-conditioner charging station
01/1987
01/27/1987US4638671 Checker for air conditioner
11/1986
11/25/1986US4624112 Automotive air conditioner charging station with over-ride controls
10/1986
10/01/1986EP0196051A2 Heat pump with a reservoir storing higher pressure refrigerant of non-azeotropic mixture
09/1986
09/25/1986WO1986005575A1 A method in a refrigeration process and a refrigeration device for carrying out said method.
07/1986
07/22/1986US4601177 Refrigerant over-charging checking system of closed circuit refrigeration air cooling system
06/1986
06/11/1986CN85203874U Seal type chlorofluoromethane injector for refrigerator
03/1986
03/25/1986US4577469 Device for detecting overcharge of refrigerant in air conditioner for automobiles
12/1985
12/31/1985US4561264 Valve apparatus for evacuating and/or filling a refrigeration system
12/10/1985CA1197702A1 Oil injector for refrigerants of air conditioners and the like
11/1985
11/26/1985US4554792 Method and apparatus for rehabilitating refrigerant
11/26/1985US4554791 Apparatus for conveying liquids
10/1985
10/15/1985US4546616 Heat pump charge optimizer
09/1985
09/10/1985US4539817 Refrigerant recovery and charging device
08/1985
08/20/1985US4535802 In a system for charging refrigeration apparatus
08/20/1985US4535598 Method and control system for verifying sensor operation in a refrigeration system
07/1985
07/16/1985US4528826 Refrigerant accumulator and charging apparatus and method for vapor-compression refrigeration system
07/16/1985US4528822 Heat pump refrigeration circuit with liquid heating capability
05/1985
05/14/1985US4516603 Control armature inserted in the flow route of a system for transferring pressure media in a gaseous and/or liquid gaseous state
04/1985
04/30/1985US4513578 Weight-monitored air-conditioner charging station
03/1985
03/13/1985EP0134015A2 Space cooling and heating and hot water supplying apparatus
11/1984
11/27/1984US4484452 Heat pump refrigerant charge control system
11/06/1984US4480446 Method and apparatus for rehabilitating refrigerant
10/1984
10/16/1984US4476688 Refrigerant recovery and purification system
10/02/1984US4474034 Refrigerant accumulator and charging apparatus and method for vapor-compression refrigeration system
09/1984
09/11/1984US4470265 Refrigerant charging system
08/1984
08/28/1984US4467620 Oil injector for refrigerants of air conditioners and the like
07/1984
07/10/1984US4458497 Method and do-it-yourself kit for evacuating an air conditioning unit
04/1984
04/10/1984US4441330 Refrigerant recovery and recharging system
04/04/1984EP0104750A2 Refrigerant accumulator and charging apparatus and method for vapor-compression refrigeration system
08/1983
08/09/1983CA1151437A1 Automatic refrigerant recovery, purification and recharge apparatus
05/1983
05/24/1983US4384460 Means and method for modulating and controlling the capacity of a vapor compression cycle device
01/1983
01/11/1983US4367637 Apparatus for the maintenance of refrigeration equipment
12/1982
12/28/1982US4365482 Device at heating or cooling unit
12/21/1982US4364236 Refrigerant recovery and recharging system
12/14/1982US4363222 Environmental protection refrigerant disposal and charging system
08/1982
08/10/1982CA1129222A1 Adapter for refrigeration system access valve
07/1982
07/13/1982US4338793 Adapter for refrigeration system access valve
06/1982
06/01/1982US4332136 Refrigerating apparatus
03/1982
03/16/1982US4319459 Refrigeration machine and a method of charging the same
01/1982
01/19/1982US4311023 Air conditioning servicing apparatus
12/1981
12/08/1981CA1113732A1 Combination process tube and vibration attenuator for a refrigeration circuit
10/1981
10/27/1981CA1111266A1 Device at heating or cooling unit
09/1981
09/23/1981EP0036014A1 A device for drawing off cooling agents from refrigeration and heating plant
08/1981
08/25/1981US4285206 Automatic refrigerant recovery, purification and recharge apparatus
08/11/1981CA1106629A1 Environmental protection refrigeration disposal and charging system
06/1981
06/16/1981US4272970 Compression refrigeration system
04/1981
04/14/1981US4261178 Environmental protection refrigeration disposal and charging system
03/1981
03/19/1981WO1981000756A1 A device for drawing off cooling agents from refrigeration and heating plant
01/1981
01/20/1981US4245480 Refrigerant charge adjuster apparatus
01/07/1981EP0020332A1 A method for running a cooling-heating pump
12/1980
12/16/1980US4238932 High pressure charge storage system
11/1980
11/26/1980EP0019124A1 Heat pump and process for operating the same
11/04/1980US4231228 Combination process tube and vibration attenuator for a refrigeration circuit
10/1980
10/21/1980CA1088183A1 Refrigerant charge adjuster apparatus
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