| Patents for F25B 49 - Arrangement or mounting of control or safety devices (13,159) |
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| 06/11/1991 | US5022234 Control method for a variable displacement air conditioning system compressor |
| 06/04/1991 | US5020977 Refrigerant |
| 06/04/1991 | US5020332 Air conditioner and a drive apparatus therefor |
| 05/29/1991 | CN1012702B Air conditioner |
| 05/22/1991 | EP0427836A1 Process and device for monitoring the efficiency of a condenser. |
| 05/21/1991 | US5017097 Control valve device for variable capacity compressors |
| 05/21/1991 | US5017096 Variable capacity compressor |
| 05/15/1991 | EP0427282A1 Car air conditioner |
| 05/14/1991 | US5014522 Automotive air tempering apparatus |
| 05/14/1991 | US5014519 Automotive air tempering apparatus |
| 05/14/1991 | CA1284035C Liquid/gas bypass |
| 05/07/1991 | US5012656 Heat sink for a control device in an automobile air conditioning system |
| 05/02/1991 | EP0424474A1 Method of operating a vapour compression cycle under trans- or supercritical conditions. |
| 05/01/1991 | CN1051080A Compressor system with demand cooling |
| 04/24/1991 | EP0423976A1 Compressor refrigeration system with demand cooling |
| 04/23/1991 | US5009076 Refrigerant loss monitor |
| 04/23/1991 | US5009074 Low refrigerant charge protection method for a variable displacement compressor |
| 04/16/1991 | US5007245 Vapor cycle system with multiple evaporator load control and superheat control |
| 04/16/1991 | CA1283190C Temperature controller for a transport refrigeration system |
| 04/09/1991 | US5005366 Air conditioning system |
| 04/09/1991 | CA1282604C Heat pump system and a method of operating same |
| 04/05/1991 | CA2023980A1 Method and apparatus for monitoring a transport refrigeration system and its conditioned load |
| 04/03/1991 | EP0419857A2 Method for monitoring a refrigeration plant |
| 03/21/1991 | WO1991003691A1 Vapor cycle system with multiple evaporator load control and superheat control |
| 03/13/1991 | EP0190167B1 Modular refrigeration system |
| 03/12/1991 | CA1281394C Welded contact safety technique |
| 03/12/1991 | CA1281393C Automatic chilled water setpoint temperature control using return chilled water temperature |
| 02/28/1991 | DE3928075A1 Warning appts. for refrigeration plant - detects evaporation pressure and/or temp. and compares it with ambient temp. and alarm valve |
| 02/26/1991 | CA1280599C Modular refrigeration system |
| 02/20/1991 | EP0412959A1 A method for analysing and controlling a cooling process. |
| 02/19/1991 | US4993231 Thermostatic expansion valve with electronic controller |
| 02/13/1991 | EP0412474A2 Refrigeration system and method of operating such a system |
| 02/12/1991 | US4991404 Vacuum pressure monitoring system |
| 02/05/1991 | US4990857 Insulation testing apparatus of a refrigerating machine |
| 02/05/1991 | US4989414 Capacity-controllable air conditioner |
| 01/30/1991 | EP0410570A2 Air conditioner apparatus with starting control for parallel operated compressors based on high pressure detection |
| 01/30/1991 | EP0410330A2 Method and apparatus for operating a refrigeration system |
| 01/29/1991 | US4987749 Thermistor probe for exposed sensing element for direct immersion in refrigerant flows |
| 01/24/1991 | WO1991000761A1 Method of and apparatus for purifying a liquid |
| 01/15/1991 | US4984433 Air conditioning apparatus having variable sensible heat ratio |
| 01/08/1991 | US4982576 Air conditioner charging station with same refrigerant return and method |
| 01/08/1991 | CA1278691C Temperature sensitive solenoid valve in a scroll compressor |
| 01/02/1991 | CN1011065B Protecting device for compressor |
| 12/27/1990 | EP0203918B1 Method for performance control at heat pumps or refrigerating installations and arrangement for carrying out the method |
| 12/19/1990 | CN1010880B Controlling apparatus for air-conditioner |
| 12/18/1990 | US4977752 Transport refrigeration including methods and apparatus for optmizing same |
| 12/13/1990 | WO1990015298A1 Process and device for monitoring the efficiency of a condenser |
| 12/04/1990 | US4974427 In a refrigeration system |
| 12/04/1990 | US4974420 Control method and apparatus for refrigeration system |
| 11/22/1990 | EP0397818A1 A process and device for changing the actual rotation speed of a multi-phase non-synchronous motor and a suitable motor system for applying the process. |
| 11/07/1990 | EP0396017A2 Automotive air tempering apparatus |
| 11/06/1990 | US4967567 System and method for diagnosing the operation of air conditioner systems |
| 10/31/1990 | DE3913521A1 Detecting leakage points in coolant circuit of refrigeration system - measuring pressure and temp. of vaporised coolant at suction side of compressor and comparing with stipulated value |
| 10/30/1990 | US4966013 Method and apparatus for preventing compressor failure due to loss of lubricant |
| 10/30/1990 | US4966006 Refrigeration plant and method of controlling a refrigeration plant |
| 10/24/1990 | CN2064486U Refrigerator using electronic temp. controllers |
| 10/17/1990 | CN2064033U Digital electronic temperature controlling protector of refrigerator |
| 10/11/1990 | DE3910988A1 Method for controlling heat pumps |
| 10/02/1990 | US4959974 Air-conditioning control system with freezing chamber-equipped refrigerator for vehicles |
| 10/02/1990 | US4959969 Refrigerating circuit apparatus with memory having a plurality of controlling modes |
| 09/18/1990 | CA1274094A1 Reverse cycle heat reclaim coil and subcooling method |
| 09/12/1990 | CN1045291A Compressor for heat pump and method of operating said compressor |
| 09/05/1990 | EP0385766A2 A control apparatus used for an automobile air conditioning system |
| 09/05/1990 | EP0385560A2 Compressor for heat pump and method of operating said compressor |
| 08/28/1990 | US4951475 Method and apparatus for controlling capacity of a multiple-stage cooling system |
| 08/21/1990 | US4949550 Method and apparatus for monitoring a transport refrigeration system and its conditioned load |
| 08/21/1990 | US4949548 Process for controlling the operation of a refrigerating unit |
| 08/21/1990 | CA1272887A1 Pulse controlled solenoid valve |
| 08/09/1990 | DE4002419A1 Compressor for vehicle air conditioning system - incorporates control valve to reduce bellows vibration |
| 08/08/1990 | EP0380615A1 A method for the optimal comfort and efficiency control of variable speed heat pumps and air conditioners. |
| 07/31/1990 | US4944160 Thermostatic expansion valve with electronic controller |
| 07/31/1990 | CA1272025A1 Dehumidification and cooling system |
| 07/25/1990 | EP0378933A2 Evaporator and flow control means assembly for a refrigerating machine |
| 07/18/1990 | EP0378152A2 Performance-optimising method for refrigerant evaporators |
| 07/17/1990 | US4941325 Energy efficient electronic control system for air-conditioning and heat pump systems |
| 07/12/1990 | WO1990007683A1 Trans-critical vapour compression cycle device |
| 07/12/1990 | CA2024103A1 Removal of an antigenic substance from a fluid |
| 07/10/1990 | US4940079 Optimal control system for refrigeration-coupled thermal energy storage |
| 07/10/1990 | US4939910 Air conditioner |
| 07/10/1990 | US4939909 Control apparatus for air conditioner |
| 07/04/1990 | EP0376498A1 Motor terminal box mounted solid state starter |
| 07/03/1990 | US4938063 Apparatus and method for infusing a material into a closed loop system |
| 06/26/1990 | US4936107 External heat exchange unit with plurality of heat exchanger elements and fan devices and method for controlling fan devices |
| 06/23/1990 | CA2001221A1 Heat pump fan control |
| 06/19/1990 | US4934157 Apparatus for controlling a variable displacement refrigerant compressor for a car air-conditioner |
| 06/12/1990 | US4932221 Air-cooled cooling apparatus |
| 06/12/1990 | US4932220 Air conditioner system with optimum high pressure control function |
| 06/12/1990 | US4932215 Control apparatus for multi-air-conditioner system |
| 06/05/1990 | US4930320 Cooling fan controlling apparatus for vehicle with air conditioner |
| 05/29/1990 | US4928500 Control device for freezer |
| 05/29/1990 | US4928499 Automatic air conditioner system with variable displacement compressor for automotive vehicles |
| 05/23/1990 | CN1042406A Method of and apparatus for controlling condensing agent supply to evaporator with u-shaped tubes |
| 05/23/1990 | CN1008132B Absorption chilled and hot water apparatus |
| 05/22/1990 | US4926653 Multi-room type air-conditioning equipment |
| 05/22/1990 | US4926652 Air conditioner system with control for optimum refrigerant temperature |
| 05/17/1990 | WO1990005407A1 A process and device for changing the actual rotation speed of a multi-phase non-synchronous motor and a suitable motor system for applying the process |
| 05/02/1990 | CN1007788B Device for controlling capacity of compressor |
| 04/24/1990 | US4918932 Method of controlling the capacity of a transport refrigeration system |
| 04/17/1990 | US4916913 Air conditioning apparatus having two refrigerating circuits in central unit and control method of defrosting the same |
| 04/10/1990 | US4914919 Arrangement for preventing freezing of the working medium in an absorption refrigerating apparatus |