Patents for F25B 49 - Arrangement or mounting of control or safety devices (13,159) |
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01/12/1988 | US4718246 Pressure control override |
01/12/1988 | US4718243 Heat pump system and a method of operating same |
01/05/1988 | US4716740 Controller apparatus and method for heat exchange system |
12/29/1987 | US4715792 Variable capacity vane type compressor |
12/29/1987 | US4715190 Control and method for modulating the capacity of a temperature conditioning system |
12/08/1987 | US4711096 Leak detection and refrigerant purging system |
12/08/1987 | US4711094 Reverse cycle heat reclaim coil and subcooling method |
12/03/1987 | DE3618460A1 Apparatus for distilling contaminated solvents and solvent mixtures, preferably contaminated solvents of dry-cleaning facilities |
11/19/1987 | DE3716393A1 Kaelteanlage Kaelteanlage |
11/17/1987 | US4706470 System for controlling compressor operation |
11/17/1987 | US4706464 Method and apparatus for the automatic control of a sorption heat transfer plant |
11/12/1987 | DE3715437A1 System for economical power distribution in the transition phase of power demands during a process sequence |
11/11/1987 | EP0244501A1 Temperature sensing circuit |
11/11/1987 | CN86107773A Control apparatus of removing ice and frost for air conditioner |
10/20/1987 | CA1228409A1 Gas/electric operated absorption refrigerator having automatic flame detection and restart capability status |
10/13/1987 | US4698978 Method of controlling a heating and cooling system |
10/07/1987 | EP0240441A2 Three function heat pump system and method |
10/07/1987 | EP0239837A2 Method of recuperating the condensation heat of a refrigeration system, and refrigeration system for carrying out the method |
10/07/1987 | CN87100650A Device for controlling capacity of compressor |
10/06/1987 | US4697431 Refrigeration system having periodic flush cycles |
09/24/1987 | DE3609337A1 Motor-driven heat pump |
09/24/1987 | DE3608868A1 Charging control of a hot-water storage tank heated by a heat pump |
09/24/1987 | DE3608867A1 Charging control of a hot-water storage tank heated by a heat pump |
09/22/1987 | US4694890 Analog computer variable duty modulator |
09/15/1987 | US4694228 Compensation circuit for control system providing pulse width modulated drive signal |
09/15/1987 | US4693089 Three function heat pump system |
09/10/1987 | DE3606860A1 Control arrangement for extracting heat from a fluid by means of a compressor refrigeration machine |
09/01/1987 | US4689967 Control and method for modulating the capacity of a temperature conditioning system |
08/27/1987 | WO1987005097A1 A method for analysing and controlling a cooling process |
08/27/1987 | DE3605833A1 Refrigerating machine with automatic reversing system for hot-water preparation |
08/26/1987 | CN86201455U Console for amonia-compressing refrigirator assembly |
08/19/1987 | EP0232746A2 Method of and device for economically and automatically maintaining the concentration of evaporating refrigerant mixtures |
08/18/1987 | US4686835 Refrigeration system |
08/18/1987 | US4686834 Centrifugal compressor controller for minimizing power consumption while avoiding surge |
08/12/1987 | EP0232188A2 Device for controlling the capacity of a compressor |
08/05/1987 | EP0190167A4 Modular refrigeration system. |
07/29/1987 | EP0229942A2 Regulating method for refrigerant flow to the evaporator of a cooling plant or a heat pump |
07/28/1987 | CA1224859A1 Integrated control of output and surge for a dynamic compressor control system |
07/14/1987 | US4679411 Stepped capacity constant volume building air conditioning system |
07/14/1987 | US4679404 Temperature responsive compressor pressure control apparatus and method |
07/14/1987 | US4679403 Heat pump apparatus |
07/07/1987 | US4677830 Air conditioning system for automotive vehicles |
07/01/1987 | EP0227504A1 Method of protecting a refrigeration plant against deposits of additives in the refrigerant circuit |
06/30/1987 | US4676072 Bypass system for a dual refrigeration cycle air conditioner |
06/16/1987 | US4672816 Cooling system with device for preventing a bad odor from circulating |
06/09/1987 | US4671075 Heat pump system |
06/04/1987 | DE3542361A1 Heat storage installation with a storage tank for a liquid |
05/26/1987 | US4668870 Refrigerant level sensor in receiver tank |
05/19/1987 | US4665709 Steam powered heating/cooling systems |
05/12/1987 | US4663942 Air conditioner |
05/05/1987 | US4662185 System of controlling refrigerator temperature |
04/30/1987 | DE3538393A1 Device for controlling refrigeration installations operated by burnable gas |
04/28/1987 | US4660387 Controls for refrigerating or air-conditioning units |
04/28/1987 | US4660386 Diagnostic system for detecting faulty sensors in liquid chiller air conditioning system |
04/21/1987 | US4658596 Refrigerating apparatus with single compressor and multiple evaporators |
04/14/1987 | US4656837 Safety arrangement in a gas operated apparatus |
04/08/1987 | EP0217558A2 Diagnostic system for detecting faulty sensors in a refrigeration system |
04/07/1987 | CA1220274A1 Heat exchanger performance monitor |
04/01/1987 | EP0216547A2 Diagnostic system for detecting faulty sensors in liquid chiller air conditioning system |
03/31/1987 | US4653285 Self-calibrating control methods and systems for refrigeration systems |
03/31/1987 | US4653280 Diagnostic system for detecting faulty sensors in a refrigeration system |
03/24/1987 | US4651535 Pulse controlled solenoid valve |
03/03/1987 | US4646535 Temperature and pressure monitored refrigeration system |
03/03/1987 | US4646534 Means for refrigeration speed control |
03/03/1987 | US4646530 Automatic anti-surge control for dual centrifugal compressor system |
02/24/1987 | US4644755 Emergency refrigerant containment and alarm system apparatus and method |
02/03/1987 | US4640100 Refrigeration system |
01/27/1987 | US4638671 Checker for air conditioner |
01/27/1987 | US4638643 Control system for compressor motor used with air-conditioning unit |
01/06/1987 | US4633676 Cooling and heating apparatus |
01/06/1987 | US4633675 Device for controlling the capacity of a variable capacity compressor |
01/06/1987 | US4633674 Refrigeration circuit |
01/06/1987 | US4633672 Unequal compressor refrigeration control system |
12/30/1986 | US4631926 Method of obtaining low temperatures and apparatus for implementing the same |
12/30/1986 | EP0205670A1 Refrigerating or heat-pump system |
12/16/1986 | US4628701 Non-flooding remote air cooled condensers |
12/16/1986 | US4628700 Temperature optimizer control apparatus and method |
11/26/1986 | EP0202432A2 Method of running a heat pump installation and heat pump installation adapted for caryying-out this method |
11/18/1986 | US4622827 Control apparatus for an air conditioner |
11/12/1986 | CA1213957A Single zone hvac controlled for operation in multiple zone arrangement |
10/14/1986 | US4616485 Temperature controller for an air conditioning apparatus |
10/08/1986 | CN85108423A Absorption chilled and hot water apparatus |
09/30/1986 | US4614089 Controlled refrigeration system |
09/30/1986 | US4614087 Apparatus for alarming abnormal coolant in space cooling cycle |
09/24/1986 | EP0195279A2 Method for regulating absorption refrigeration plants or heat pumps |
09/23/1986 | US4612776 Method and apparatus for controlling capacity of a multiple-stage cooling system |
09/23/1986 | US4612775 Refrigeration monitor and alarm system |
09/23/1986 | CA1211815A1 Control for a variable capacity temperature conditioning system |
09/16/1986 | US4611470 Method primarily for performance control at heat pumps or refrigerating installations and arrangement for carrying out the method |
09/10/1986 | EP0194029A1 A method of, and apparatus for, controlling the capacity of a variable capacity compressor |
09/03/1986 | CN86100821A Protecting device for compressor |
09/02/1986 | US4608833 Self-optimizing, capacity control system for inverter-driven centrifugal compressor based water chillers |
08/19/1986 | US4606403 Apparatus and method for cleaning condenser tubes of a refrigerator |
08/13/1986 | EP0190167A1 Modular refrigeration system. |
08/06/1986 | CN86100612A Device for controlling the capacity of a variable capacity compressor |
08/05/1986 | US4604036 Torque control apparatus for enclosed compressors |
08/05/1986 | CA1209229A1 Air conditioning control system with user power up mode selection |
07/29/1986 | US4602484 Refrigeration system energy controller |
07/02/1986 | EP0186332A1 Self-optimizing centrifugal compressor capacity control |
07/02/1986 | CA1207059A Specific coefficient of performance measuring device |