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 25 - Machines, plant, or systems, using a combination of modes of operation covered by two or more of the groups
Patents for F25B 25 - Machines, plant, or systems, using a combination of modes of operation covered by two or more of the groups (1,932)
01/1989
01/31/1989US4800729 Thermo-hygrostatic refrigerators
01/26/1989WO1989000665A1 Resorption heat-exchange installation
12/1988
12/01/1988WO1988009468A1 Binary compression heat pump with solution circuit
11/1988
11/01/1988US4780967 Apparatus for the recovery of waste heat contained in the exhaust from dryers of paper machines
10/1988
10/20/1988WO1988008108A1 Refrigerated tank container
10/20/1988WO1988008107A1 Integrated cascade refrigeration system
09/1988
09/22/1988WO1988007161A1 Method for recovering latent heat from a heat transfer medium
09/21/1988CN88101287A Air conditioning system for building
09/14/1988EP0281762A2 Air conditioning system for buildings
08/1988
08/16/1988US4764193 Thermoelectric frost collector for freezers
08/09/1988CA1240164A1 Refrigeration system
08/03/1988EP0276251A1 Advanced vapor compression heat pump cycle utilizing non-azeotropic working fluid mixture
07/1988
07/21/1988DE3700708A1 Device for heat dissipation from housings or switch cabinets having electrical devices
07/20/1988EP0274643A2 Environmental test chamber
05/1988
05/24/1988US4745768 Combustion-powered refrigeration with decreased fuel consumption
05/11/1988EP0266367A1 System for the recovery of discharged heat contained in the waste air from paper machine drier.
04/1988
04/26/1988US4739634 Cylindrical counter-flow heat exchanger
04/12/1988US4736596 Air conditioner
03/1988
03/22/1988US4732007 Auxiliary thermal interface to cooling/heating systems
03/08/1988CA1233655A1 Chemically assisted mechanical refrigeration process
02/1988
02/16/1988US4724679 Advanced vapor compression heat pump cycle utilizing non-azeotropic working fluid mixtures
01/1988
01/14/1988WO1988000319A1 Advanced vapor compression heat pump cycle utilizing non-azeotropic working fluid mixture
12/1987
12/17/1987WO1987007676A1 Thermodynamic cycle
12/15/1987US4712610 Chemical heat pipe employing self-driven chemical pump based on a molar increase
12/09/1987EP0248296A2 Method for increasing the coefficient of performance of hybrid refrigeration machines or heat pumps
11/1987
11/24/1987US4707996 Chemically assisted mechanical refrigeration process
10/1987
10/22/1987WO1987006284A1 System for the recovery of discharged heat contained in the waste air from paper machine drier
10/21/1987CN87200235U Combined multistage refrigeration set
10/20/1987US4701199 Chemical heat pump system
10/07/1987EP0240441A2 Three function heat pump system and method
09/1987
09/15/1987US4693089 Three function heat pump system
09/08/1987US4691529 Absorption refrigerator for ice-making
08/1987
08/20/1987DE3604909A1 Heat-transmission element for evaporator
07/1987
07/02/1987DE3615375A1 Method of improving the absorption technique for heat-pump and refrigerating installations
06/1987
06/23/1987US4674297 Chemically assisted mechanical refrigeration process
04/1987
04/22/1987CN86106784A Compressing-absorbing type refrigeration system
02/1987
02/25/1987EP0211726A1 Heat-pumping device and thermal separation plant using this device
02/03/1987US4640100 Refrigeration system
01/1987
01/15/1987DE3523728A1 Air-conditioning installation which is at times completely but otherwise at least partially independent of an aggregate
01/14/1987EP0208526A2 Refrigeration method and apparatus
11/1986
11/25/1986CA1214336A1 Heat pump system
05/1986
05/20/1986US4589953 Magnetic refrigerator
05/14/1986EP0181137A2 Method of cyclic air conditioning with cogeneration of ice
05/06/1986US4586344 Refrigeration process and apparatus
03/1986
03/11/1986US4575001 Heat pump system
01/1986
01/21/1986US4565069 Method of cyclic air conditioning with cogeneration of ice
12/1985
12/03/1985CA1197568A1 Magnetic refrigerator
09/1985
09/24/1985CA1193873A1 Refrigerator
09/17/1985US4541248 Constant temperature refrigeration system for a freeze heat exchanger
07/1985
07/30/1985US4531374 Multi-stage apparatus having working-fluid and absorption cycles, and method of operation thereof
06/1985
06/05/1985EP0143736A2 Chemical heat pump with mechanical or electrical energy input
04/1985
04/30/1985US4513584 Method and apparatus for absorption refrigeration
04/24/1985EP0138568A2 Heat pump system
04/24/1985EP0138041A2 Chemically assisted mechanical refrigeration process
04/09/1985US4509334 Magnetic refrigerator
03/1985
03/19/1985US4505133 Absorption refrigeration system with booster compressor and extraction of a partial vapor flow at an intermediate pressure
11/1984
11/21/1984EP0125944A2 Cooling device with compartments at different temperatures
11/13/1984US4481783 Hybrid heat pump
10/1984
10/09/1984US4475361 Multi-effect heat-pump for heating and cooling
10/02/1984US4474025 Heat pump
09/1984
09/18/1984US4471630 Cooling system having combination of compression and absorption type units
07/1984
07/17/1984US4459814 Thermal energy compression system for heat pumps
04/1984
04/03/1984CA1164672A1 Cryogenic cabinet freezer
12/1983
12/20/1983US4420947 Heat pump air conditioning system
12/20/1983US4420946 Process for producing cold operated with phase separation
11/1983
11/02/1983EP0093051A2 Resorption method for heat pumps
10/1983
10/04/1983US4407140 Vacuum apparatus
08/1983
08/17/1983EP0085994A2 Operation of a heat pump or refrigeration machine
06/1983
06/21/1983US4388812 Variable valve for refrigeration system
05/1983
05/17/1983US4383421 Refrigeration unit comprising compartments at different temperatures
03/1983
03/17/1983WO1983000917A1 A cooling plant
02/1983
02/22/1983US4374468 Absorption type refrigeration system including compressor driven auxiliary flow circuits isolated from main circuit
01/1983
01/19/1983EP0069996A1 Heat pump air conditioning system
01/04/1983US4366680 Cycling Joule Thomson refrigerator
10/1982
10/14/1982WO1982003448A1 Installation with a plurality of stages comprising circuits of fluids and absorption agents, and method for operating such installation
10/12/1982US4353222 Vacuum apparatus
10/06/1982EP0061721A1 Multi-stage apparatus with circulation circuits for working fluids and for absorbing media, and method to operate such an apparatus
09/1982
09/07/1982US4347711 Heat-actuated space conditioning unit with bottoming cycle
09/02/1982WO1982002939A1 Method for decreasing the heat losses in a drying plant for solid bodies
08/1982
08/17/1982US4344296 Efficient second stage cooling system
06/1982
06/09/1982EP0053536A2 Method of cold production using a separation cycle
06/08/1982US4333517 Heat exchange method using natural flow of heat exchange medium
06/01/1982US4332136 Refrigerating apparatus
05/1982
05/11/1982US4328677 Peltier freeze concentration process
03/1982
03/16/1982US4319462 Refrigeration system for heat exchangers such as used in ice rinks and the like
02/1982
02/09/1982US4314668 Method of heating with an absorption heat pump
02/03/1982EP0045179A2 Heat actuated space conditioning unit with bottoming cycle
01/1982
01/20/1982EP0044248A2 Cooling device with compartments at different temperatures
12/1981
12/30/1981EP0042605A1 Method of operating a vapour-heated process system
12/15/1981CA1114479A1 Control system for a refrigerating apparatus operable electrically or by gas
11/1981
11/03/1981CA1111666A1 Refrigerator
10/1981
10/20/1981US4295342 Heat exchange method using natural flow of heat exchange medium
10/06/1981US4292837 Liquid testing apparatus
09/1981
09/22/1981US4290273 Peltier effect absorption chiller-heat pump system
09/15/1981US4288993 Refrigerator
08/1981
08/25/1981US4285211 Compressor-assisted absorption refrigeration system
08/25/1981US4285208 Absorption type refrigerating machine of hybrid constructions
07/1981
07/14/1981US4277952 Method and apparatus for conserving energy in an air conditioning system
03/1981
03/31/1981US4258554 Refrigerator
01/1981
01/07/1981EP0021205A2 Hybrid compression-absorption method for operating heat pumps or refrigeration machines
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