Patents for F25B 41 - Fluid-circulation arrangements, e.g. for transferring liquid from evaporator to boiler (17,040)
05/1992
05/26/1992CA1301466C Dispensing tool assembly for charging a refrigerant into a system
05/20/1992EP0486224A1 Three-way valve for a refrigeration system
05/14/1992DE4036059A1 Refrigerator with expansion valve - has valve fitted in refrigerant conduit so that expulsion of foreign matter in refrigerant inside valve is excluded
05/14/1992CA2054108A1 Three-way valve for a refrigeration system
05/13/1992EP0485146A1 Refrigerator with refrigerant flow control means
05/12/1992CA1300387C Refrigeration apparatus
05/05/1992US5109676 Vapor cycle system evaporator control
04/1992
04/28/1992US5107686 Compartmentalized transport refrigeration system
04/28/1992US5107684 Air conditioner and operating method thereof
04/22/1992EP0481871A1 Flange for the connection of the inlet and outlet tubes of an evaporator
04/22/1992CN1060520A Pressure-differential expansion valve
04/21/1992US5105629 Heat pump system
04/16/1992WO1992006339A1 Vapour compression systems
04/15/1992EP0480330A2 Refrigeration apparatus with modulator
03/1992
03/31/1992US5100245 Sensing refrigerant temperature in a thermostatic expansion valve
03/24/1992US5097866 Refrigerant metering device
03/17/1992CA1297311C Liquid coolers
03/11/1992CN1059399A Apparatus and method for heating and cooling with refrigerant
03/10/1992US5094086 Instant cooling system with refrigerant storage
03/10/1992CA1296914C Expansion device for a refrigeration system, piston therefor and methods of making the same
03/04/1992EP0473286A2 An apparatus and method for heating and cooling with a refrigerant
03/03/1992US5092134 Heating and cooling air conditioning system with improved defrosting
03/01/1992CA2047915A1 Apparatus and method for heating and cooling with a refrigerant
02/1992
02/25/1992CA1296194C Refrigeration system
02/18/1992US5088304 Heat transfer system with recovery means
02/18/1992US5088303 Migration blocking valve in a refrigerating system
02/18/1992US5088295 Air conditioner with dehumidification mode
02/18/1992US5088292 Bearing pump control for lubricating hydrodynamic compressor bearings
02/04/1992US5085058 Refrigerant in a heat pump
01/1992
01/29/1992CN1058260A Capillary thermal regulating valve and its fixing method
01/28/1992US5083745 Incremental electrically actuated valve
01/21/1992US5081847 Variable flow orifice tube
01/14/1992US5080132 Refrigeration equipment service apparatus with quick-disconnect couplings
01/08/1992EP0464177A1 Refrigerator with a pressure-relief valve adapted to the refrigerant
01/07/1992US5077983 Method and apparatus for improving efficiency of a pulsed expansion valve heat pump
01/07/1992US5077982 Multizone air conditioning system and evaporators therefor
01/02/1992EP0463985A2 Joule-Thomson refrigeration cycle employing a reversible drive electrochemical compressor
12/1991
12/31/1991US5076313 Fusible plug structure
12/31/1991US5076198 Sight glass structure and method of installing the same
12/31/1991US5076068 Cooling device for a plurality of coolant circuits
12/24/1991USRE33775 Pulse controlled expansion valve for multiple evaporators and method of controlling same
12/24/1991US5074329 Three-way valve for a refrigeration system
12/24/1991CA1293493C Closing and injection valve
12/17/1991US5072595 Apparatus for detecting small bubbles in a pressurized fluid stream
12/11/1991CN2090499U Energy-saving refrigerant check valve
12/10/1991US5070707 Shockless system and hot gas valve for refrigeration and air conditioning
12/10/1991US5070706 Superheat sensor with single coupling to fluid line
12/10/1991US5070705 Refrigeration cycle
11/1991
11/26/1991US5067556 Controller of refrigerating plant
11/21/1991EP0456977A2 Humidity sensor for refrigerants
11/19/1991US5065595 Thermostatic expansion valve
11/19/1991US5065588 Air-conditioner system
11/14/1991WO1991017400A1 Food freezer
11/12/1991US5063752 Air conditioning apparatus
11/07/1991DE4014436A1 Air conditioning system for ambient temp. control - has an additional heat exchanger connected by capillary tubes
11/05/1991US5062779 Outlet valve for a rolling piston rotary compressor
10/1991
10/29/1991US5060485 Expansion valve
10/24/1991DE4012841A1 Air conditioning or cooling system esp. for motor vehicle - has coolant level detector responding differently to liquid and gas
10/23/1991EP0453271A2 Air conditioning apparatus
10/22/1991US5058395 Slug surge suppressor for refrigeration and air conditioning systems
10/17/1991WO1991015722A1 Process for operating a compression heat pump and compression heat pump
10/15/1991US5056329 Heat pump systems
10/15/1991US5056324 Transport refrigeration system having means for enhancing the capacity of a heating cycle
10/09/1991EP0450703A1 Cooling machine and an optimalized thermostatic expansion valve therefor
10/08/1991US5054742 Magnetic valve
10/03/1991WO1991014907A1 Pressure control valve
10/02/1991EP0449641A2 Air conditioning system
10/02/1991DE4008877A1 Refrigerator with expansion value and evaporator - are connected in series circuit and with expansion value control unit for maintaining desired temp. in work space
10/02/1991CN2085936U Refrigerator
10/01/1991US5052472 LSI temperature control system
10/01/1991US5052192 Dual flow expansion device for heat pump system
10/01/1991US5052190 Apparatus for the sensing of refrigerant temperatures and the control of refrigerant loading
10/01/1991US5052189 Heat pump refrigeration system for a motor vehicle
09/1991
09/25/1991EP0448345A1 Air conditioning system
09/25/1991EP0447882A1 Sensing refrigerant temperature in a thermostatic expansion valve
09/24/1991US5050396 Multi-system air conditioning machine
09/24/1991US5050393 Refrigeration system with saturation sensor
09/24/1991US5050392 Refrigeration system
09/10/1991US5046323 Multi-system air conditioner
09/10/1991US5046321 Method and apparatus for gas conditioning by low-temperature vaporization and compression of refrigerants, specifically as applied to air
09/10/1991US5046320 Liquid refrigerant transfer method and system
09/04/1991EP0444537A1 Thermostatic expansion valve with electronic controller
09/03/1991US5044551 Thermo bulb for use with the thermostatic expansion valve
09/03/1991US5044425 Air conditioner having a refrigerant heater
09/03/1991US5044170 Refrigeration system and a thermostatic expansion valve best suited for the same
09/03/1991US5044169 Control device for use in an automative air conditioning system
09/03/1991CA2037399A1 Thermostatic expansion valve with electronic controller
08/1991
08/29/1991DE4006040A1 Refrigeration system with functional monitoring and control - involving detection of liq. coolant in gas formed by its evaporation
08/29/1991DE4005728A1 Vehicle refrigeration circuit - has electrically-controlled thermostatic expansion valve controlled by line temp. between compressor and condenser
08/28/1991EP0443099A2 Refrigeration system
08/27/1991US5042262 Food freezer
08/27/1991CA1288148C Control apparatus for refrigerated cargo container
08/20/1991US5041257 Expansion device for a refrigeration system, piston therefor and methods of making the same
08/20/1991US5040380 Method and apparatus for the sensing of refrigerant temperatures and the control of refrigerant loading
08/14/1991CN1053837A Multistage expansion package used for refrigeration and air condition apparatus
08/13/1991US5038827 Shuttle valve for a refrigeration system
08/13/1991US5038582 Liquid receiver
08/13/1991US5038579 Dual flow variable area expansion device for heat pump system
08/08/1991WO1991011668A1 Refrigerator with a pressure-relief valve adapted to the refrigerant
08/08/1991CA2032448A1 Refrigeration system with mass flow limiting device