| Patents for F25B 49 - Arrangement or mounting of control or safety devices (13,159) |
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| 02/11/1993 | DE4114529A1 Safety arrangement esp. for ammonia-filled refrigeration plate - provides gas-tight container for take=up of material leaking from either of two interconnected pressure vessels |
| 02/10/1993 | EP0412959B1 A method for analysing and controlling a cooling process |
| 02/09/1993 | CA1313550C Electrically commutated, variable speed compressor control system |
| 02/02/1993 | US5184310 Signal generation circuit |
| 01/26/1993 | US5181392 Air conditioner and heat exchanger used therein |
| 01/26/1993 | US5181389 Methods and apparatus for monitoring the operation of a transport refrigeration system |
| 01/19/1993 | US5179842 Inverter controlled air conditioner capable of effectively reducing a rush current at starting |
| 01/13/1993 | EP0522878A2 Operation controller for air conditioner |
| 01/13/1993 | EP0522847A2 A method of operating a transport refrigeration unit |
| 01/12/1993 | US5177976 Control apparatus for freezing chamber of a refrigerator |
| 01/12/1993 | US5177973 Refrigeration system subcooling flow control valve |
| 01/12/1993 | US5177972 Energy efficient air conditioning system utilizing a variable speed compressor and integrally-related expansion valves |
| 01/07/1993 | EP0521551A1 Linear-power multi-compressor refrigeration system |
| 01/05/1993 | US5176007 Refrigerator with lubricant mixture sensor |
| 12/30/1992 | EP0520628A2 Head pressure controller for air conditioning and refrigeration systems |
| 12/29/1992 | US5174130 Refrigeration system having standing wave compressor |
| 12/29/1992 | US5174125 Device for detecting loss of refrigerant in an airconditioner |
| 12/22/1992 | US5172565 Air handling system utilizing direct expansion cooling |
| 12/22/1992 | US5172563 Apparatus for controlling automobile air-conditioner |
| 12/22/1992 | US5172561 Pre-trip diagnostic methods for a transport refrigeration unit |
| 12/16/1992 | CN1067113A Refrigerator system with subcooling flow control valve |
| 12/15/1992 | US5170936 Heat pump type heating apparatus and control method thereof |
| 12/15/1992 | US5170639 Cascade refrigeration system |
| 12/15/1992 | US5170636 Heat exchanger |
| 12/15/1992 | US5170635 Defrost for air handling system utilizing direct expansion cooling |
| 12/08/1992 | US5168716 Refrigeration system having a compressor with an internally and externally controlled variable displacement mechanism |
| 12/08/1992 | US5168715 Cooling apparatus and control method thereof |
| 12/01/1992 | US5167491 High to low side bypass to prevent reverse rotation |
| 12/01/1992 | US5167140 Apparatus and method for infusing a material into a closed loop system |
| 12/01/1992 | US5167127 Car air conditioner |
| 12/01/1992 | US5167124 Compression-evaporation cooling system having standing wave compressor |
| 11/17/1992 | CA1310196C Continuously variable capacity refrigeration system |
| 11/12/1992 | DE4114700A1 Verfahren zum regeln der temperatur eines mediums mittels eines temperaturregelkreises und temperaturregeleinrichtung zur durchfuehrung des verfahrens A method for regulating the temperature of a medium by means of a temperature control loop and temperature regulating device for implementing the method |
| 11/10/1992 | US5162774 Remotely setting thermostatic switch assembly and refrigeration system employing same |
| 11/10/1992 | US5161386 Multi-system air-conditioning machine having a plurality of indoor units connected to a single outdoor unit |
| 11/03/1992 | CA1309599C Refrigeration unit and hydraulic power system |
| 10/27/1992 | US5158747 Apparatus for identifying and distinguishing different refrigerants |
| 10/27/1992 | US5157934 Controller for electrically driven expansion valve of refrigerating cycle |
| 10/27/1992 | US5157931 Refrigeration method and apparatus utilizing an expansion engine |
| 10/22/1992 | DE4131540C1 Gas heated refrigerator based on absorption process - allows gas flame to be observed by light conductor by having emergent end at front side and incident end aligned to flame |
| 10/21/1992 | EP0509952A2 Compressor head pressure control by fan cycling |
| 10/20/1992 | US5156017 Refrigeration system subcooling flow control valve |
| 10/20/1992 | US5156013 Control device for absorption refrigerator |
| 10/20/1992 | US5156012 Refrigerant charge detection system for an air conditioning system |
| 10/06/1992 | US5152152 Method of determining refrigerant charge |
| 10/06/1992 | US5152151 Measuring evaporator load in an automotive air conditioning system for compressor clutch control |
| 09/30/1992 | EP0506092A1 Method and apparatus for heating refrigerant in a chiller |
| 09/30/1992 | CA2064425A1 Method and apparatus for heating freon in a chiller |
| 09/29/1992 | US5150584 In an air conditioning system |
| 09/29/1992 | US5150581 Head pressure controller for air conditioning and refrigeration systems |
| 09/23/1992 | EP0504775A2 Refrigeration system subcooling flow control valve |
| 09/23/1992 | EP0504738A1 Refrigerator system with subcooling flow control valve |
| 09/22/1992 | US5148685 Control system for variable-capacity compressor in air conditioner |
| 09/20/1992 | CA2063373A1 Refrigeration system subcooling flow control valve |
| 09/19/1992 | CA2038479A1 A device for detecting loss of refrigerant in an airconditioner |
| 09/15/1992 | US5146764 Control system for a chiller system |
| 09/09/1992 | CN2115500U High-precision electronic logic temp. controller |
| 09/08/1992 | US5146148 Process and a device for changing the effective speed of a polyphase asynchronous motor and a suitable motor system for the application of the process |
| 09/08/1992 | US5144814 Thermistor calibration |
| 09/08/1992 | US5144812 Outdoor fan control for variable speed heat pump |
| 09/01/1992 | US5142877 Multiple type air conditioning system which distributes appropriate amount of refrigerant to a plurality of air conditioning units |
| 09/01/1992 | US5142876 Method and apparatus for heating refrigerant in a chiller |
| 08/26/1992 | CN1063932A Control apparatus for air conditioner |
| 08/25/1992 | CA1306598C Thermo-chemical reaction process and installation used for this process |
| 08/18/1992 | US5138846 Control system for absorption refrigerator |
| 08/18/1992 | US5138844 Condenser fan control system for use with variable capacity compressor |
| 08/18/1992 | US5138842 Air handling system utilizing direct expansion cooling |
| 08/13/1992 | DE4202600A1 Control circuit for air conditioning system - has time delayed switch=off for compressor to prevent overloading through back-streaming |
| 08/13/1992 | DE4103734A1 Safety device with ventilated absorber for ammonia refrigerator - incorporates three-level absorption tank with atmos. vent from below level of water in lowest stage |
| 08/12/1992 | EP0498645A2 A control apparatus for an air conditioner |
| 08/12/1992 | CN1063545A Controller for refrigerators and air conditioners |
| 07/30/1992 | DE4102179A1 Operating refrigeration machine used e.g. in air conditioning system - blocking refrigerant circuit behind condenser as seen by compressor with coolant leaks |
| 07/29/1992 | EP0496228A1 Safete device for a refrigerator utilising ammonia as refrigerant |
| 07/28/1992 | US5133193 Air handling system utilizing direct expansion cooling |
| 07/21/1992 | US5131237 Control arrangement for a refrigeration apparatus |
| 07/21/1992 | US5131236 Air handling system utilizing direct expansion cooling |
| 07/16/1992 | DE4100749A1 Regulator device for refrigerator - cools each evaporator in air current to chamber and has air temp. probe in each evaporator air flow |
| 07/09/1992 | DE4142534A1 Rotary compressor control for refrigerator suitable for vehicle - provides drive by inverter coupled to three=phase induction motor allowing supply from car battery |
| 07/01/1992 | EP0493139A2 Refrigerator |
| 06/30/1992 | US5126642 Variable speed motor control |
| 06/24/1992 | EP0491552A2 Refrigerant charge detection system for an air conditioning system |
| 06/23/1992 | US5125067 Motor controls, refrigeration systems and methods of motor operation and control |
| 06/23/1992 | US5123256 Method of compressor staging for a multi-compressor refrigeration system |
| 06/23/1992 | US5123255 Multi-type air-conditioning system with an outdoor unit coupled to a plurality of indoor units |
| 06/23/1992 | US5123254 Air conditioning apparatus connecting one outdoor unit with several indoor units through several refrigerant tubes and signal conductors |
| 06/17/1992 | EP0490089A2 Improvement in refrigeration compressors with electronic control arrangement |
| 06/16/1992 | US5123080 Compressor drive system |
| 06/16/1992 | CA1303701C Apparatus for adjustably controlling the size of an ice bank |
| 06/03/1992 | EP0488777A2 Refrigerant overcharge prevention system |
| 06/03/1992 | EP0488775A2 Detecting system for detecting an insufficient amount of refrigerant in a cooling apparatus and compressor control system incorporating same |
| 06/02/1992 | US5117646 Automotive automatic air conditioning system with variable displacement compressor |
| 05/26/1992 | US5115644 Method and apparatus for condensing and subcooling refrigerant |
| 05/26/1992 | US5115643 Method for operating air conditioner |
| 05/13/1992 | EP0485185A1 Sensor and control system for an automotive air conditioning system |
| 05/13/1992 | CN2104414U Electronical temp. control unit for refrigerator |
| 05/06/1992 | EP0483908A1 Device for controlling the operation of a refrigeration appliance, such as a domestic refrigerator, a freezer or the like |
| 05/06/1992 | CN2103776U Air-condition controller for refrigerator |
| 04/29/1992 | CN1060708A Controlling device of freezing cabinet of refrigerator |
| 04/28/1992 | US5108269 Method of controlling a rotary compressor |
| 04/28/1992 | CA1299700C Control system, method of operating an atmospheric cooling apparatus and atmospheric cooling apparatus |