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 41 - Fluid-circulation arrangements, e.g. for transferring liquid from evaporator to boiler
Patents for F25B 41 - Fluid-circulation arrangements, e.g. for transferring liquid from evaporator to boiler (17,040)
08/1990
08/21/1990CA1272887A1 Pulse controlled solenoid valve
08/14/1990US4947655 Refrigeration system
08/09/1990WO1990008931A1 Hot gas defrost system for refrigeration systems
08/08/1990EP0380478A1 Refrigerated tank container
08/04/1990WO1990008930A1 Thermal inter-cooler
07/1990
07/31/1990US4944160 Thermostatic expansion valve with electronic controller
07/31/1990CA1272100A1 Slide valve
07/25/1990EP0378933A2 Evaporator and flow control means assembly for a refrigerating machine
07/18/1990EP0378152A2 Performance-optimising method for refrigerant evaporators
07/18/1990EP0377670A1 Refrigeration system expansion device
07/12/1990WO1990007683A1 Trans-critical vapour compression cycle device
07/04/1990CN1043556A Method for using thermodynamic expansion valve on constant pressure expansion system
06/1990
06/27/1990CN1043383A Method and apparatus for operating refrigeration system
06/26/1990US4936545 Ball valve for refrigerating systems
06/26/1990US4936113 In a refrigeration system
06/26/1990US4936108 Vapor pressure-adjusting valve and refrigeration system using same
06/20/1990CN1043195A Blocking valve used in refrigeration or air-conditioning system
06/19/1990US4934156 Evaporator pressure regulating valve controlled by an auxiliary force for a refrigerator installation
06/19/1990US4934155 Refrigeration system
06/13/1990EP0292527B1 Closing and injection valve especially for hot gas defrosting in freezing and cooling installations
06/13/1990DE3841487A1 Refrigerating machine
06/12/1990US4933530 Method for repairing a refrigeration sealed system
06/12/1990US4932428 Bypass relief poppet valve
06/12/1990US4932219 Transport refrigeration system with selective receiver tank pressurization
05/1990
05/31/1990WO1990005885A1 Improved energy storage apparatus and method
05/30/1990EP0370262A1 Electronically controlled regulating valve
05/29/1990US4928494 Refrigeration system
05/23/1990CN1042406A Method of and apparatus for controlling condensing agent supply to evaporator with u-shaped tubes
05/22/1990US4926658 Two way flow control device
05/22/1990US4926653 Multi-room type air-conditioning equipment
05/22/1990US4926652 Air conditioner system with control for optimum refrigerant temperature
05/16/1990EP0368371A2 Method and apparatus for gas conditioning by low-temperature vaporization and compression of refrigerants, specifically as applied to air
05/15/1990US4924569 Method of repairing a leaking cooling coil-to-expansion valve coupling using a clamp-on nut
05/14/1990CA2002751A1 Energy storage apparatus and method
05/01/1990US4920757 Geothermal heating and air conditioning system
05/01/1990US4920756 Transport refrigeration system with dehumidifier mode
04/1990
04/25/1990EP0365351A2 Method and apparatus for operating a refrigeration system
04/25/1990EP0364834A2 Air conditioning device
04/19/1990WO1990004224A1 Apparatus for controlling a thermostatic expansion valve
04/17/1990US4916916 Energy storage apparatus and method
04/12/1990DE3834302A1 Method for multi-stage, more efficient heat-pumping by means of compressor machines having hot-liquid radiators connected upstream for high heat-utilisation temperatures
04/04/1990EP0362118A2 Refrigerant metering apparatus for multicircuit coil
04/04/1990EP0361539A2 Expansion valve for regulating the flow of refrigerant to an evaporator of a refrigeration plant or heat pump
04/03/1990US4912933 Transport refrigeration system having means for enhancing the capacity of a heating cycle
03/1990
03/27/1990US4911404 Electronically operated expansion valve
03/21/1990CN1007290B Compressed steam refrigeration device
03/20/1990US4909277 Selectively indexed multiple orifice valve
03/07/1990EP0356642A1 Thermostatic expansion valve
02/1990
02/28/1990EP0355180A2 Cooling apparatus and control method
02/28/1990CN1007009B Refrigerating means for air conditioner and refrigerator of vehicle
02/15/1990DE3926492A1 Absperrventil fuer kuehl- oder klimaanlagen Shut-off valve for refrigeration or air conditioning systems
02/13/1990US4899552 Refrigerating system for ice making machine
02/13/1990US4899551 Air conditioning system, including a means and method for controlling temperature, humidity and air velocity
02/13/1990US4899549 Transport refrigeration system with improved temperature and humidity control
02/07/1990EP0354037A2 Apparatus for the sensing of refrigerant temperature for the control of an evaporator valve
01/1990
01/30/1990US4896860 Electrically operated refrigerant valve
01/30/1990US4896696 Flow control restrictor
01/30/1990US4896512 Compartmentalized transport refrigeration system
01/17/1990EP0351204A2 Automotive air conditioning with control device
01/09/1990US4892285 Modulated electrically operated refrigerant expansion valve
01/02/1990US4890458 Refrigerating circuit for car air conditioning
12/1989
12/27/1989EP0348333A1 Quench expansion valve refrigeration circuit
12/26/1989US4889149 Dispensing tool assembly for charging a refrigerant or other fluid into a system
12/26/1989US4888957 System and method for refrigeration and heating
12/21/1989DE3820811A1 Vehicle air conditioning system (air conditioner)
12/14/1989DE3819114A1 Actuating device for an adjustable valve spindle
12/13/1989EP0345545A2 Flow noise supression for electronic valves
12/06/1989EP0344444A2 Cooling device for a centrifuge
12/06/1989EP0344397A2 Climatic test chamber
11/1989
11/14/1989US4879879 Apparatus for controlling a thermostatic expansion valve
11/07/1989US4878357 Air-conditioning apparatus
11/07/1989US4878355 Method and apparatus for improving cooling of a compressor element in an air conditioning system
11/02/1989EP0339339A2 Modulated electrically operated refrigerant valve
10/1989
10/31/1989US4877046 Closing and injection valve especially for hot gas defrosting in freezing and cooling installations
10/24/1989US4875341 Control apparatus for refrigerated cargo container
10/17/1989US4873838 Refrigerant metering in a variable flow system
10/17/1989US4873837 Dual evaporator air conditioner
10/17/1989US4873836 Flow noise suppression for electronic valves
10/03/1989US4870834 Vapor pressure-adjusting valve and refrigeration system using same
09/1989
09/26/1989US4869290 Expansion device for a refrigeration system, piston therefor and methods of making the same
09/26/1989CA1261640A1 Valve for volatile liquids, particularly expansion valve for refrigeration plants
09/26/1989CA1261160A1 Reversing valve assembly with improved pilot valve mounting structure
09/20/1989EP0332927A2 Controlling superheat in a refrigeration system
09/19/1989US4866947 Method and apparatus for gas conditioning by low-temperature vaporization and compression of refrigerants, specifically as applied to air
09/12/1989US4865073 Liquid level control for refrigeration system
09/05/1989US4862702 Head pressure control system for refrigeration unit
08/1989
08/24/1989WO1989007741A1 Arrangement for continuously controlling the capacity of a refrigerating machine
08/15/1989US4856292 Pressure control valve assembly
08/08/1989US4854130 Refrigerating apparatus
08/01/1989US4852364 Expansion and check valve combination
07/1989
07/25/1989US4850201 Precision-controlled water chiller
07/25/1989US4850197 Method and apparatus for operating a refrigeration system
07/18/1989US4848100 Controlling refrigeration
07/18/1989US4848099 Adaptive refrigerant control algorithm
07/18/1989US4848098 Refrigerating system
07/11/1989US4845956 Regulating device for the superheat temperature of the evaporator of a refrigeration or heat pump installation
07/04/1989US4843838 Air-to-air heat pump
07/04/1989US4843837 Heat pump system
06/1989
06/28/1989EP0321670A2 Expansion valve control device for the refrigerating appliance of a motor vehicle air conditioning equipment
06/27/1989US4841741 Liquid coolers
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