Patents for F25B 49 - Arrangement or mounting of control or safety devices (13,159) |
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08/08/1978 | US4105064 Two stage compressor heating |
08/01/1978 | US4103506 Method and arrangement for controlling the operation of a cooling system in an automotive vehicle |
07/25/1978 | US4102389 Heat pump control system |
07/25/1978 | US4102150 Control system for refrigeration apparatus |
07/25/1978 | US4102149 Variable capacity multiple compressor refrigeration system |
06/27/1978 | US4096708 Compressor refrigeration plant |
06/27/1978 | US4096706 Free condensing liquid retro-pumping refrigerator system and method |
06/13/1978 | US4094166 Air conditioning control system |
06/06/1978 | US4093899 Circuit and method for controlling speed of an alternating current motor |
05/23/1978 | US4090372 Fuel conservation controller for capacity controlled refrigeration apparatus |
05/23/1978 | US4090371 Monitor and control for refrigeration system |
05/02/1978 | USRE29621 Variable capacity multiple compressor refrigeration system |
04/18/1978 | US4084406 Chiller controls |
04/18/1978 | US4084405 Refrigerating system |
04/18/1978 | US4084388 Refrigeration control system for optimum demand operation |
04/11/1978 | US4083197 Air conditioner control system |
04/11/1978 | US4083196 Compressor refrigeration plant |
04/04/1978 | US4081971 Air cooled centrifugal refrigeration machine with provision to prevent evaporator freezing |
02/28/1978 | US4075865 Apparatus for controlling condenser pressure in a refrigeration system |
01/17/1978 | US4068494 Power saving capacity control for air cooled condensers |
12/20/1977 | US4063431 Compact cooling system for automotive vehicles |
12/06/1977 | US4060997 Water chiller control |
10/11/1977 | US4053725 Pressure switch for outdoor refrigeration systems |
09/27/1977 | US4050263 Arrangement for controlling the operation of a cooling system in an automotive vehicle |
09/06/1977 | US4046532 Refrigeration load shedding control device |
09/06/1977 | US4045973 Air conditioner control |
08/16/1977 | US4041725 Control system for refrigeration unit |
07/26/1977 | US4038061 Air conditioner control |
07/12/1977 | US4034570 Air conditioner control |
07/05/1977 | US4033738 Heat pump system with multi-stage centrifugal compressors |
04/12/1977 | US4016657 Heat pump freeze drying system |
03/29/1977 | US4015182 Refrigeration system and control therefor |
03/29/1977 | US4014182 Method of improving refrigerating capacity and coefficient of performance in a refrigerating system, and a refrigerating system for carrying out said method |
02/15/1977 | US4007605 Refrigeration system and control circuit |
02/08/1977 | US4006603 Air conditioning system for a railway vehicle |
02/01/1977 | US4005585 Control arrangement fail-safe timing circuit |
01/25/1977 | US4004431 Control for cooling unit |
01/18/1977 | US4003729 Air conditioning system having improved dehumidification capabilities |
12/28/1976 | US4000450 Lubricant pressure responsive control circuit |
11/30/1976 | US3994142 Heat reclaim for refrigeration systems |
10/19/1976 | US3986664 Heating installation comprising a heat pump and a fuel-fired boiler with a radiator circuit |
08/31/1976 | US3978382 Control apparatus for two-speed, single phase compressor |
08/31/1976 | US3977650 Switching device |
08/10/1976 | US3973938 Method for temperature control of refrigerating machines operating with thermoelectric modules |
07/20/1976 | US3970864 Control arrangement fail-safe timing circuit |
07/06/1976 | US3967644 Compressor control |
06/29/1976 | US3967172 Control circuit, refrigeration system, and method of controlling speed of an alternating current motor |
06/29/1976 | US3965692 Refrigeration control circuit |
06/01/1976 | US3959980 Refrigerant moisture detection system |
06/01/1976 | US3959979 Dual voltage forced air heat exchanger |
05/25/1976 | US3958429 Air-cooled condenser pressure control at low ambient temperatures |
04/27/1976 | US3952533 Multiple valve refrigeration system |
04/20/1976 | US3950961 Cooling system for a two-temperature refrigerator |
03/30/1976 | US3946574 Control circuit for refrigeration compressor motor |
03/30/1976 | US3946573 Electrical diagnostic system for refrigeration apparatus |
03/09/1976 | US3942912 Method for controlling the operation of two-speed, refrigerant motor compressors |
02/24/1976 | US3939668 Balanced liquid level head pressure control systems |
02/17/1976 | US3938349 Refrigerating apparatus with superheat control |
01/27/1976 | US3934425 Flooded refrigerant condenser head pressure control |