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 49 - Arrangement or mounting of control or safety devices
Patents for F25B 49 - Arrangement or mounting of control or safety devices (13,159)
07/1983
07/26/1983CA1150797A1 Heat pump system compressor start fault detector
07/19/1983US4393662 Control system for refrigeration or air conditioning installation
06/1983
06/28/1983US4389856 Refrigerant gas heater system for display cabinets
06/28/1983CA1149043A1 Evaporator inlet water temperature control system
06/21/1983US4388812 Variable valve for refrigeration system
06/14/1983CA1148236A1 Control device and method for conserving fuel in an absorption refrigeration system
06/08/1983EP0080916A1 Efficient multi-compressor refrigeration installation
06/07/1983CA1147569A1 Two stage control circuit for reversible air cycle heat pump
05/1983
05/31/1983CA1147440A1 Current monitoring control for electrically powered devices
05/24/1983US4384462 Multiple compressor refrigeration system and controller thereof
05/17/1983US4383574 Air conditioning system for automotive vehicles having discharge air temperature control function
05/17/1983US4383421 Refrigeration unit comprising compartments at different temperatures
05/17/1983CA1146650A1 Microcomputer based fault detection and indicator control system
05/10/1983US4382367 Control of vapor compression cycles of refrigeration systems
05/03/1983US4381650 Electronic control system for regulating startup operation of a compressor in a refrigeration system
05/03/1983CA1145578A1 Low temperature fail-safe cascade cooling apparatus
05/03/1983CA1145576A1 Refrigerant condensing system
04/1983
04/26/1983US4381549 Automatic fault diagnostic apparatus for a heat pump air conditioning system
04/26/1983US4380911 Refrigeration control apparatus
04/12/1983US4379484 Control for a variable air volume temperature conditioning system-outdoor air economizer
03/1983
03/23/1983EP0074360A1 Method for regulating a sorption heat pump.
03/16/1983EP0073796A1 Method of controlling a sorption heat pump.
03/15/1983US4376510 Warning device and method for a heating system
03/15/1983CA1143037A1 System and method for controlling air conditioning systems
03/08/1983US4375751 Safety control device for vapor generating and recovering apparatus
03/08/1983US4375750 Method and apparatus for controlling the temperature in the refrigerator chamber and freezer compartment of an absorption refrigerator
03/08/1983CA1142624A1 Microcomputer control for an inverter- driven heat pump
02/1983
02/15/1983US4373351 Control apparatus for an air conditioning system providing a plurality of energy-saving modes of operation
02/15/1983US4373348 Energy saving refrigeration system
02/08/1983US4372129 Fail-safe refrigeration for continuous process
01/1983
01/25/1983CA1140236A1 Control system for regulating large capacity rotating machinery
01/19/1983EP0069996A1 Heat pump air conditioning system
01/18/1983US4368621 Method of operating air conditioner
01/12/1983EP0069357A1 Electronic circuit for the control of refrigerating apparatus
01/11/1983US4368502 Lead-lag load lockout control
01/11/1983US4367634 Modulating heat pump system
01/11/1983US4367633 Battery and solar powered refrigerating system
01/11/1983CA1139361A1 Control system for polyphase loads
12/1982
12/28/1982US4365983 Energy saving refrigeration system
12/28/1982US4365482 Device at heating or cooling unit
12/21/1982US4364237 Microcomputer control for inverter-driven heat pump
12/08/1982EP0066553A1 Control system for improving the efficiency of cooling or heating appliances
11/1982
11/30/1982US4361011 Cryogenic cooling system
11/23/1982US4359875 Automotive air conditioning apparatus
11/11/1982WO1982003908A1 Self-balancing two-stage heat recovery system
11/11/1982WO1982003907A1 Evaporator arrangement to be used in a refrigerant circuit
11/09/1982US4357988 Air-conditioning/heating system
11/09/1982CA1135368A1 Control for refrigerator compressors
11/09/1982CA1135065A1 Energy saving refrigeration system with mechanical subcooling
11/02/1982US4356706 Thermally-integrated heat exchanger and refrigerator
11/02/1982US4356704 Refrigerant compressor protective switch system
10/1982
10/20/1982EP0062728A1 A heating system
10/19/1982US4354360 Automatic machine for making crushed ice
10/12/1982US4353409 Apparatus and method for controlling a variable air volume temperature conditioning system
10/05/1982CA1133094A1 Surge suppression apparatus for compressor-driven system
09/1982
09/30/1982WO1982003269A1 Energy management system for refrigeration systems
09/30/1982WO1982003266A1 Method of controlling a sorption heat pump
09/30/1982WO1982003265A1 Method for regulating a sorption heat pump
09/28/1982CA1132679A2 Refrigeration system control method and apparatus
09/22/1982EP0060724A2 Cargo refrigeration
09/21/1982US4350024 Heating system
09/21/1982US4350023 Air conditioning apparatus
09/16/1982WO1982003117A1 Control system for the power supply of a gas and electricity apparatus
09/15/1982EP0060110A1 Environmental control system
09/14/1982US4348868 Automatic dilution control for absorption refrigeration
09/01/1982EP0059021A1 A device for supplying cooling air under pressure
08/1982
08/31/1982US4346755 Two stage control circuit for reversible air cycle heat pump
08/31/1982US4346567 Heat pump control valve
08/31/1982CA1130589A1 Energy saving refrigeration system
08/24/1982US4345442 Control system for resonant free-piston variable stroke compressor for load-following electric heat pumps and the like
08/17/1982US4344297 Refrigeration system
08/17/1982US4344293 Apparatus responsive to the amount of refrigerant flow in a refrigerant flow in a refrigerant circulating system
08/10/1982CA1129219A1 Method and apparatus for satisfying heating and cooling demands and control therefor
08/05/1982WO1982002588A1 Heat pump arrangement
08/03/1982US4342199 Screw compressor slide valve engine RPM tracking system
07/1982
07/28/1982EP0056780A2 Disposition of heat pumps
07/13/1982US4338791 Microcomputer control for heat pump system
07/06/1982CA1126969A1 Refrigeration circuit heat reclaim method and apparatus
06/1982
06/30/1982EP0055005A2 Cooling device
06/22/1982US4336001 Solid state compressor control system
06/22/1982CA1126364A1 Heat pump compressor crankcase low differential temperature detection and control system
06/15/1982CA1125888A1 Heat pump wrong operational mode detector and control system
06/08/1982US4334255 Protection device for a vehicle-mounted air conditioner compressor
06/08/1982US4333316 Automatic control apparatus for a heat pump system
06/01/1982US4332144 Bottoming cycle refrigerant scavenging for positive displacement compressor, refrigeration and heat pump systems
05/1982
05/25/1982US4330999 Refrigerant compressor
05/18/1982US4329851 Absorption refrigeration system
05/11/1982US4328682 Head pressure control including means for sensing condition of refrigerant
05/11/1982US4328679 Capability control apparatus for cooling system having direct expansion type evaporator
05/11/1982US4328678 Refrigerant compressor protecting device
05/04/1982US4327558 Unloadable transport refrigeration unit control
04/1982
04/27/1982US4326868 Refrigeration system utilizing a gaseous refrigerant bypass
04/27/1982US4326387 Fluidic time delay system
04/20/1982US4325226 Refrigeration system condenser heat recovery at higher temperature than normal condensing temperature
04/20/1982US4325224 Method and apparatus for transport refrigeration system control
04/20/1982US4325223 Energy management system for refrigeration systems
04/20/1982CA1122024A1 Method and apparatus for satisfying heating and cooling demands and control therefor
04/13/1982US4324286 Control for vehicle temperature conditioning system
04/06/1982US4322953 Heat collection system
04/06/1982US4322951 Control device and method for conserving fuel in an absorption refrigeration system
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