Patents for F25B 13 - Compression machines, plant, or systems, with reversible cycle (6,597) |
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03/10/1987 | CA1218855A1 Thermosyphon coil arrangement for heat pump outdoor unit |
03/03/1987 | US4646538 Triple integrated heat pump system |
03/03/1987 | US4646537 Hot water heating and defrost in a heat pump circuit |
02/24/1987 | US4645908 Residential heating, cooling and energy management system |
02/24/1987 | US4644759 Heat pump and method |
02/24/1987 | US4644756 Multi-room type air conditioner |
02/17/1987 | US4643002 Continuous metered flow multizone air conditioning system |
02/11/1987 | CN86104578A Joint operation technique of return flow type ice-machine-heat-pump and its equipment |
01/27/1987 | US4638643 Control system for compressor motor used with air-conditioning unit |
12/30/1986 | EP0205568A1 Heat pump and method |
12/02/1986 | US4625524 Air-cooled heat pump type refrigerating apparatus |
11/25/1986 | CA1214336A1 Heat pump system |
11/04/1986 | US4620423 Expansion devices for a multizone heat pump system |
10/29/1986 | EP0199187A2 Air conditioning installation for motor vehicles, especially for passenger cars |
10/01/1986 | EP0196051A2 Heat pump with a reservoir storing higher pressure refrigerant of non-azeotropic mixture |
09/30/1986 | US4614090 Outdoor unit of an air conditioner of an engine heat pump type |
09/09/1986 | CA1210944A1 Bi-directional variable subcooler for heat pumps |
08/27/1986 | EP0191801A1 Residential heating, cooling and energy management system. |
08/26/1986 | US4607494 Apparatus for the pasteurization of alimentary mixtures |
08/12/1986 | US4604872 Heat pump type air conditioning apparatus having a controlled variable capacity compressor |
08/06/1986 | EP0189646A1 Heating/cooling changeover heat pump |
08/05/1986 | US4603556 Control method and apparatus for an air conditioner using a heat pump |
07/30/1986 | EP0188630A2 Air conditioning apparatus |
07/23/1986 | EP0188181A2 A method at a heat pump process and a heat pump device |
07/08/1986 | US4598558 Heat pump and method |
07/08/1986 | US4598557 Integrated heat pump water heater |
06/19/1986 | WO1986003578A1 Heat pump and method |
06/11/1986 | EP0184200A2 Air-cooled heat pump type refrigerating apparatus |
06/03/1986 | US4592206 Room-warming/cooling and hot-water supplying heat-pump apparatus |
05/06/1986 | US4586351 Heat pump with multiple compressors |
03/18/1986 | US4576011 Air conditioning system and method of operation |
03/11/1986 | US4575001 Heat pump system |
03/05/1986 | EP0173138A2 Refrigerant reversing valve |
03/04/1986 | US4573497 Refrigerant reversing valve |
02/25/1986 | US4571952 Solar and convection assisted heat pump system |
02/13/1986 | WO1986000976A1 Residential heating, cooling and energy management system |
01/28/1986 | US4566869 Reversible multi-vane rotary compressor |
01/21/1986 | US4565070 Apparatus and method for defrosting a heat exchanger in a refrigeration circuit |
01/14/1986 | US4563879 Heat pump with capillary tube-type expansion device |
01/07/1986 | US4562700 Refrigeration system |
01/07/1986 | CA1198905A1 Heat pump apparatus and method of operating the same |
12/24/1985 | US4560034 Annular multi-piston brake apparatus |
12/10/1985 | US4557115 Heat pump having improved compressor lubrication |
11/27/1985 | EP0162720A2 Heat pump with capillary tube-type expansion device |
11/21/1985 | EP0161678A2 Apparatus for the pasteurization of alimentary mixtures |
11/19/1985 | US4553402 Non-reversible multiple-refrigeration-cycle solar apparatus including a variable directing valve mechanism |
11/19/1985 | US4553401 Reversible cycle heating and cooling system |
11/12/1985 | US4551987 Solar assisted heat pump heating and cooling system |
11/05/1985 | US4550770 Reverse cycle room air conditioner with auxilliary heat actuated at low and high outdoor temperatures |
11/05/1985 | CA1196412A1 Transport refrigeration system control |
10/15/1985 | US4546616 Heat pump charge optimizer |
10/08/1985 | US4545214 Heat pump system utilizable for air conditioner, water supply apparatus and the like |
10/02/1985 | EP0156707A1 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 |
10/01/1985 | US4544023 Air heating and cooling apparatus |
09/04/1985 | EP0153557A2 Refrigeration cycle apparatus |
09/03/1985 | US4538418 Heat pump |
08/14/1985 | EP0151493A2 Room-warming/cooling and hot-water supplying heat pump apparatus |
08/14/1985 | EP0062043B1 Method and machine for obtaining a quasi-isothermal transformation in gas compression or expansion processes |
07/16/1985 | US4528823 Heat pump apparatus |
07/16/1985 | US4528822 Heat pump refrigeration circuit with liquid heating capability |
07/02/1985 | CA1189703A1 Climatic control system |
05/28/1985 | US4519214 Air conditioner |
05/21/1985 | US4517812 Load control device for a heat-pump type air conditioning apparatus |
05/21/1985 | US4517808 Heat pumping system |
05/14/1985 | US4516408 Refrigeration system for refrigerant heating type air conditioning apparatus |
05/07/1985 | US4514990 Heat exchange system with space heating, space cooling and hot water generating cycles |
04/24/1985 | EP0138568A2 Heat pump system |
03/13/1985 | EP0134015A2 Space cooling and heating and hot water supplying apparatus |
03/05/1985 | US4502292 Climatic control system |
03/05/1985 | US4502284 Method of operating a thermal machine |
02/19/1985 | US4499739 Control device for refrigeration cycle |
02/12/1985 | US4498310 Heat pump system |
01/29/1985 | US4495779 Air conditioner |
01/22/1985 | US4494382 Method and apparatus for controlling when to initiate an increase in compressor capacity |
01/15/1985 | US4493193 Reversible cycle heating and cooling system |
01/08/1985 | US4492252 Reversible valve for reversible refrigeration cycle |
01/08/1985 | US4492092 Combination refrigerant circuit and hot water preheater |
12/25/1984 | US4489568 Ground water heat pump system |
12/12/1984 | EP0128108A2 Apparatus and method for defrosting a heat exchanger in a refrigeration circuit |
12/11/1984 | US4487031 Method and apparatus for controlling compressor capacity |
12/11/1984 | CA1179161A1 Heat pump type airconditioner |
11/27/1984 | US4484454 Air conditioning apparatus |
11/27/1984 | US4484452 Heat pump refrigerant charge control system |
11/20/1984 | US4483388 Apparatus and method for providing failsafe supplemental heat _regulation in an air conditioning control |
11/20/1984 | US4483156 Bi-directional variable subcooler for heat pumps |
11/20/1984 | CA1178071A2 Heat-augmented heat exchanger |
11/20/1984 | CA1178070A1 Water heating system having a heat pump |
11/13/1984 | US4482008 Air conditioner operable in a room cooling mode and a room warming mode using either outdoor air or a separate heat source as a source of heat |
11/06/1984 | CA1177268A1 Airconditioner with refrigerant temperature responsive controller for compressor bypass valve |
11/06/1984 | CA1177267A1 Airconditioner with timer controlled compressor bypass |
10/23/1984 | US4478055 Method and apparatus for improving heat pump performance by controlling discharge of indoor fan thermal energy |
10/16/1984 | CA1176347A1 Microcomputer control for inverter-driven heat pump |
10/16/1984 | CA1176066A1 Refrigerant charge monitor and method for transport refrigeration system |
10/09/1984 | US4475360 Refrigeration system incorporating scroll type compressor |
10/02/1984 | US4474030 Reversible refrigerant heat pump system |
08/28/1984 | US4467621 Fluid/vacuum chamber to remove heat and heat vapor from a refrigerant fluid |
08/28/1984 | US4467613 Apparatus for and method of automatically adjusting the superheat setting of a thermostatic expansion valve |
07/24/1984 | US4461156 System for conditioning an area |
07/03/1984 | US4457137 Airconditioner with timer controlled compressor bypass |
06/19/1984 | US4454728 Air conditioning system |