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 13 - Compression machines, plant, or systems, with reversible cycle
Patents for F25B 13 - Compression machines, plant, or systems, with reversible cycle (6,597)
03/1987
03/10/1987CA1218855A1 Thermosyphon coil arrangement for heat pump outdoor unit
03/03/1987US4646538 Triple integrated heat pump system
03/03/1987US4646537 Hot water heating and defrost in a heat pump circuit
02/1987
02/24/1987US4645908 Residential heating, cooling and energy management system
02/24/1987US4644759 Heat pump and method
02/24/1987US4644756 Multi-room type air conditioner
02/17/1987US4643002 Continuous metered flow multizone air conditioning system
02/11/1987CN86104578A Joint operation technique of return flow type ice-machine-heat-pump and its equipment
01/1987
01/27/1987US4638643 Control system for compressor motor used with air-conditioning unit
12/1986
12/30/1986EP0205568A1 Heat pump and method
12/02/1986US4625524 Air-cooled heat pump type refrigerating apparatus
11/1986
11/25/1986CA1214336A1 Heat pump system
11/04/1986US4620423 Expansion devices for a multizone heat pump system
10/1986
10/29/1986EP0199187A2 Air conditioning installation for motor vehicles, especially for passenger cars
10/01/1986EP0196051A2 Heat pump with a reservoir storing higher pressure refrigerant of non-azeotropic mixture
09/1986
09/30/1986US4614090 Outdoor unit of an air conditioner of an engine heat pump type
09/09/1986CA1210944A1 Bi-directional variable subcooler for heat pumps
08/1986
08/27/1986EP0191801A1 Residential heating, cooling and energy management system.
08/26/1986US4607494 Apparatus for the pasteurization of alimentary mixtures
08/12/1986US4604872 Heat pump type air conditioning apparatus having a controlled variable capacity compressor
08/06/1986EP0189646A1 Heating/cooling changeover heat pump
08/05/1986US4603556 Control method and apparatus for an air conditioner using a heat pump
07/1986
07/30/1986EP0188630A2 Air conditioning apparatus
07/23/1986EP0188181A2 A method at a heat pump process and a heat pump device
07/08/1986US4598558 Heat pump and method
07/08/1986US4598557 Integrated heat pump water heater
06/1986
06/19/1986WO1986003578A1 Heat pump and method
06/11/1986EP0184200A2 Air-cooled heat pump type refrigerating apparatus
06/03/1986US4592206 Room-warming/cooling and hot-water supplying heat-pump apparatus
05/1986
05/06/1986US4586351 Heat pump with multiple compressors
03/1986
03/18/1986US4576011 Air conditioning system and method of operation
03/11/1986US4575001 Heat pump system
03/05/1986EP0173138A2 Refrigerant reversing valve
03/04/1986US4573497 Refrigerant reversing valve
02/1986
02/25/1986US4571952 Solar and convection assisted heat pump system
02/13/1986WO1986000976A1 Residential heating, cooling and energy management system
01/1986
01/28/1986US4566869 Reversible multi-vane rotary compressor
01/21/1986US4565070 Apparatus and method for defrosting a heat exchanger in a refrigeration circuit
01/14/1986US4563879 Heat pump with capillary tube-type expansion device
01/07/1986US4562700 Refrigeration system
01/07/1986CA1198905A1 Heat pump apparatus and method of operating the same
12/1985
12/24/1985US4560034 Annular multi-piston brake apparatus
12/10/1985US4557115 Heat pump having improved compressor lubrication
11/1985
11/27/1985EP0162720A2 Heat pump with capillary tube-type expansion device
11/21/1985EP0161678A2 Apparatus for the pasteurization of alimentary mixtures
11/19/1985US4553402 Non-reversible multiple-refrigeration-cycle solar apparatus including a variable directing valve mechanism
11/19/1985US4553401 Reversible cycle heating and cooling system
11/12/1985US4551987 Solar assisted heat pump heating and cooling system
11/05/1985US4550770 Reverse cycle room air conditioner with auxilliary heat actuated at low and high outdoor temperatures
11/05/1985CA1196412A1 Transport refrigeration system control
10/1985
10/15/1985US4546616 Heat pump charge optimizer
10/08/1985US4545214 Heat pump system utilizable for air conditioner, water supply apparatus and the like
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
10/01/1985US4544023 Air heating and cooling apparatus
09/1985
09/04/1985EP0153557A2 Refrigeration cycle apparatus
09/03/1985US4538418 Heat pump
08/1985
08/14/1985EP0151493A2 Room-warming/cooling and hot-water supplying heat pump apparatus
08/14/1985EP0062043B1 Method and machine for obtaining a quasi-isothermal transformation in gas compression or expansion processes
07/1985
07/16/1985US4528823 Heat pump apparatus
07/16/1985US4528822 Heat pump refrigeration circuit with liquid heating capability
07/02/1985CA1189703A1 Climatic control system
05/1985
05/28/1985US4519214 Air conditioner
05/21/1985US4517812 Load control device for a heat-pump type air conditioning apparatus
05/21/1985US4517808 Heat pumping system
05/14/1985US4516408 Refrigeration system for refrigerant heating type air conditioning apparatus
05/07/1985US4514990 Heat exchange system with space heating, space cooling and hot water generating cycles
04/1985
04/24/1985EP0138568A2 Heat pump system
03/1985
03/13/1985EP0134015A2 Space cooling and heating and hot water supplying apparatus
03/05/1985US4502292 Climatic control system
03/05/1985US4502284 Method of operating a thermal machine
02/1985
02/19/1985US4499739 Control device for refrigeration cycle
02/12/1985US4498310 Heat pump system
01/1985
01/29/1985US4495779 Air conditioner
01/22/1985US4494382 Method and apparatus for controlling when to initiate an increase in compressor capacity
01/15/1985US4493193 Reversible cycle heating and cooling system
01/08/1985US4492252 Reversible valve for reversible refrigeration cycle
01/08/1985US4492092 Combination refrigerant circuit and hot water preheater
12/1984
12/25/1984US4489568 Ground water heat pump system
12/12/1984EP0128108A2 Apparatus and method for defrosting a heat exchanger in a refrigeration circuit
12/11/1984US4487031 Method and apparatus for controlling compressor capacity
12/11/1984CA1179161A1 Heat pump type airconditioner
11/1984
11/27/1984US4484454 Air conditioning apparatus
11/27/1984US4484452 Heat pump refrigerant charge control system
11/20/1984US4483388 Apparatus and method for providing failsafe supplemental heat _regulation in an air conditioning control
11/20/1984US4483156 Bi-directional variable subcooler for heat pumps
11/20/1984CA1178071A2 Heat-augmented heat exchanger
11/20/1984CA1178070A1 Water heating system having a heat pump
11/13/1984US4482008 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
11/06/1984CA1177268A1 Airconditioner with refrigerant temperature responsive controller for compressor bypass valve
11/06/1984CA1177267A1 Airconditioner with timer controlled compressor bypass
10/1984
10/23/1984US4478055 Method and apparatus for improving heat pump performance by controlling discharge of indoor fan thermal energy
10/16/1984CA1176347A1 Microcomputer control for inverter-driven heat pump
10/16/1984CA1176066A1 Refrigerant charge monitor and method for transport refrigeration system
10/09/1984US4475360 Refrigeration system incorporating scroll type compressor
10/02/1984US4474030 Reversible refrigerant heat pump system
08/1984
08/28/1984US4467621 Fluid/vacuum chamber to remove heat and heat vapor from a refrigerant fluid
08/28/1984US4467613 Apparatus for and method of automatically adjusting the superheat setting of a thermostatic expansion valve
07/1984
07/24/1984US4461156 System for conditioning an area
07/03/1984US4457137 Airconditioner with timer controlled compressor bypass
06/1984
06/19/1984US4454728 Air conditioning system
1 ... 53 54 55 56 57 58 59 60 61 62 63 64 65 66