| Patents for F25B 49 - Arrangement or mounting of control or safety devices (13,159) |
|---|
| 04/04/1990 | EP0361539A2 Expansion valve for regulating the flow of refrigerant to an evaporator of a refrigeration plant or heat pump |
| 04/03/1990 | US4912938 DC voltage bleeder for a variable speed air conditioner |
| 04/03/1990 | US4912936 Refrigeration control system and method |
| 04/03/1990 | CA1267462A1 Diagnostic system for detecting faulty sensors in a refrigeration system |
| 04/03/1990 | CA1267461A1 Diagnostic system for detecting faulty sensors in liquid chiller air conditioning system |
| 03/27/1990 | US4910968 Refrigerating apparatus |
| 03/22/1990 | DE3832037A1 Method for the control of machines in a composite system |
| 03/21/1990 | EP0359449A2 Infuser |
| 03/21/1990 | CN1040547A Rate of change temperature control for transport refrigeration systems |
| 03/20/1990 | US4909043 Air conditioning control system for automotive vehicles |
| 03/20/1990 | US4909042 Air conditioner charging station with same refrigerant reclaiming and liquid refrigerant return and method |
| 03/13/1990 | US4907416 Air-conditioner for automobiles |
| 03/08/1990 | WO1990002300A1 Heat pump for heating or cooling confined spaces, and also for heating tap water |
| 03/07/1990 | EP0356423A1 Temperature controller for a transport refrigeration system |
| 02/28/1990 | EP0355180A2 Cooling apparatus and control method |
| 02/27/1990 | US4903502 Rate of change temperature control for transport refrigeration systems |
| 02/20/1990 | US4901537 Solar heat collector system |
| 02/14/1990 | CN1006823B Device for controlling the capacity of a variable capacity compressor |
| 02/13/1990 | US4899550 Refrigeration unit and hydraulic power system |
| 02/07/1990 | EP0353764A2 Automotive automatic air conditioning system with variable desplacement compressor |
| 02/07/1990 | EP0353300A1 Cooling unit for two-chamber refrigerator |
| 02/07/1990 | CN2052511U Methane refrigerator |
| 01/23/1990 | US4895005 Motor terminal box mounted solid state starter |
| 01/23/1990 | US4895000 Air conditioning system for vehicles |
| 01/23/1990 | US4894999 Automatic air conditioning system with variable displacement compressor, for automotive vehicles |
| 01/23/1990 | US4894998 Absorption system hot and cold water supply apparatus |
| 01/18/1990 | DE3822396A1 Heat pump installation with a variable temperature lift |
| 01/17/1990 | EP0351204A2 Automotive air conditioning with control device |
| 01/16/1990 | US4893480 Refrigeration cycle control apparatus |
| 01/16/1990 | US4893479 Compressor drive system |
| 01/10/1990 | EP0350428A2 Method and apparatus for testing for refrigerant leaks |
| 01/09/1990 | US4891953 Control device for an air conditioner with floor temperature sensor |
| 01/09/1990 | CA1264364A1 Automatic anti-surge control for dual centrifugal compressor system |
| 01/03/1990 | CN2050570U Refrigerator multifunction protector with auxiliary starting |
| 01/03/1990 | CN1038512A 多层大跨度双拱架结构体系 Multi-storey twin-span arch architecture |
| 01/02/1990 | US4890985 Air conditioning system with variable capacity compressor |
| 01/02/1990 | US4890459 For detecting air leaks |
| 01/02/1990 | US4890458 Refrigerating circuit for car air conditioning |
| 12/27/1989 | EP0347821A2 Temperature controller of liquid cooling system |
| 12/26/1989 | US4889474 Air conditioning system with variable capacity compressor |
| 12/14/1989 | WO1989012269A1 A method for the optimal comfort and efficiency control of variable speed heat pumps and air conditioners |
| 12/13/1989 | EP0345329A1 A method for determining the cause of a malfunction in an air conditioning system |
| 12/12/1989 | US4885914 Coefficient of performance deviation meter for vapor compression type refrigeration systems |
| 12/06/1989 | EP0345098A2 Refrigeration system |
| 11/28/1989 | USRE33119 Selective temperature control system |
| 11/28/1989 | US4882909 Refrigerating system having a compressor with an internally and externally controlled variable displacement mechanism |
| 11/23/1989 | EP0342928A2 Cooling fan controlling apparatus for a vehicle with an air conditioner |
| 11/21/1989 | US4881376 Adsorption refrigeration system |
| 11/07/1989 | US4878358 Demisting control system of air conditioner for automotive vehicles |
| 10/31/1989 | US4876859 Multi-type air conditioner system with starting control for parallel operated compressors therein |
| 10/18/1989 | CN2046198U Refrigerating machine with higher temp. precision |
| 10/10/1989 | US4873649 Method for operating variable speed heat pumps and air conditioners |
| 10/03/1989 | US4870833 Car air conditioning apparatus and controlling method therefor |
| 10/03/1989 | US4870831 Multi-type air conditioner system with oil level control for parallel operated compressor therein |
| 09/19/1989 | US4866944 Air conditioner system with function for protecting electric circuit in outdoor unit |
| 09/12/1989 | US4865524 Variable capacity compressor |
| 09/12/1989 | US4864832 Air conditioner system for automobiles |
| 09/05/1989 | US4862702 Head pressure control system for refrigeration unit |
| 09/05/1989 | US4862700 Method for controlling the operation of a variable displacement refrigerant compressor for a car air-conditioner |
| 09/05/1989 | US4862698 Method and apparatus for testing for refrigerant leaks |
| 08/29/1989 | US4860552 Heat pump fan control |
| 08/29/1989 | US4860549 Variable displacement wobble plate type compressor |
| 08/24/1989 | WO1989007741A1 Arrangement for continuously controlling the capacity of a refrigerating machine |
| 08/16/1989 | EP0328152A2 Operation control method for a refrigeration unit |
| 08/15/1989 | US4856293 Air-conditioning control system for automotive vehicles |
| 08/15/1989 | US4856291 Air conditioning system for automotive vehicles |
| 08/15/1989 | US4856288 Refrigerant alert and automatic recharging device |
| 08/15/1989 | US4856286 Refrigeration compressor driven by a DC motor |
| 08/10/1989 | WO1989005428A3 A method for determining the cause of a malfunction in an air conditioning system |
| 08/09/1989 | EP0327444A1 Device for continuously monitoring compression refrigeration machines and plants |
| 08/01/1989 | US4852362 Modular refrigeration system |
| 07/27/1989 | WO1989006776A1 Cooling unit for two-chamber refrigerator |
| 07/26/1989 | EP0325163A1 Operating method for a refrigeration system and refrigeration system for carrying out the method |
| 07/25/1989 | US4850203 Air conditioner control apparatus |
| 07/25/1989 | US4850201 Precision-controlled water chiller |
| 07/25/1989 | US4850200 Refrigerating circuit device for air conditioning apparatus and control method thereof |
| 07/25/1989 | US4850198 Time based cooling below set point temperature |
| 07/18/1989 | US4848101 Method and system for controlling capacity of variable capacity wobble plate compressor |
| 07/18/1989 | US4848096 Apparatus with method and means for diagnosing failure of a pressure sensor |
| 07/12/1989 | EP0323820A2 Arrangement for preventing freezing of the working medium in an absorption refrigerating apparatus |
| 07/11/1989 | CA1257366A1 Device for controlling capacity of compressor |
| 07/04/1989 | US4843834 Device for controlling capacity of variable capacity compressor |
| 06/27/1989 | US4841739 Automotive air-conditioning system and apparatus |
| 06/27/1989 | US4841737 Method for controlling a displacement changing mechanism of a variable displacement refrigerant compressor for a car air-conditioner |
| 06/27/1989 | US4841736 Method for controlling the operation of a variable displacement refrigerant compressor for a car air-conditioner |
| 06/27/1989 | US4841734 Indicating refrigerant liquid saturation point |
| 06/20/1989 | US4840038 Control device for use in a refrigeration circuit |
| 06/15/1989 | WO1989005428A2 A method for determining the cause of a malfunction in an air conditioning system |
| 06/15/1989 | DE3740767A1 Hermetically encapsulated refrigerating compressor |
| 05/24/1989 | CN1033098A Controlling apparatus for air-conditioner |
| 05/23/1989 | US4832068 Liquid/gas bypass |
| 05/23/1989 | US4831836 Frequency control apparatus of a multi-refrigeration cycle system |
| 05/23/1989 | US4831835 Refrigeration system |
| 05/23/1989 | US4831834 Method of protecting a refrigerating apparatus |
| 05/23/1989 | US4831832 Method and apparatus for controlling capacity of multiple compressors refrigeration system |
| 05/17/1989 | EP0315780A2 Indicating refrigerant liquid saturation point |
| 05/16/1989 | US4831313 Two speed motor controller |
| 05/16/1989 | US4829777 Refrigeration system |
| 05/02/1989 | US4825662 Temperature responsive compressor pressure control apparatus and method |
| 04/26/1989 | CN2036646U Secondary refrigeration control device for electric refrigerator |