Patents for F25B 41 - Fluid-circulation arrangements, e.g. for transferring liquid from evaporator to boiler (17,040)
10/1993
10/19/1993US5253482 Heat pump control system
10/12/1993US5252939 Low friction solenoid actuator and valve
10/12/1993US5252035 Suction structure for electrically-driven hermetic compressor
10/12/1993US5251459 Thermal expansion valve with internal by-pass and check valve
10/12/1993CA1322858C Cooling apparatus and control method therefor
10/06/1993EP0564123A1 Refrigeration system
10/06/1993EP0563718A1 Refrigeration device for refrigerators
10/05/1993US5249432 Air conditioning apparatus in which one outdoor unit is connected to one or a plurality of indoor units
09/1993
09/30/1993WO1993019333A1 Method and apparatus for efficiently controlling refrigeration and air conditioning systems
09/29/1993CN1076774A Heat stored air conditioner
09/28/1993US5247989 Modulated temperature control for environmental chamber
09/28/1993US5247813 Suction accumulator and sight glass structure associated therewith
09/21/1993US5245836 Method and device for high side pressure regulation in transcritical vapor compression cycle
09/21/1993CA2018962C Capillary tube assembly and method of manufacture
09/16/1993WO1993018356A1 Control system for an air conditioning/refrigeration system
09/16/1993CA2131453A1 Control system for an air conditioning/refrigeration system
09/15/1993EP0560635A1 Thermostatic expansion valve
09/15/1993EP0559958A1 Thermal expansion valve
09/14/1993US5243829 Low refrigerant charge detection using thermal expansion valve stroke measurement
09/14/1993US5243827 Overheat preventing method for prescribed displacement type compressor and apparatus for the same
09/07/1993US5241832 Automobile air conditioning system
08/1993
08/31/1993US5240651 Adiabatic modulator proportioning refrigeration controller desuperheater
08/25/1993EP0556972A1 Pressure controlled switching valve for refrigeration system
08/25/1993EP0556641A2 Compressor clutch cut-out in an automotive air conditioning system
08/25/1993CN1021926C Pressure-differential expansion valve
08/24/1993US5238219 Thermostatic expansion valve
08/24/1993US5237833 Air-conditioning system
08/19/1993WO1993016340A1 Device and method for improving refrigerating circuit performance
08/11/1993EP0555051A1 Pressure controlled switching valve for refrigeration system
08/11/1993CN1075195A 背压阀 Backpressure valve
08/10/1993US5233841 Method of optimising the performance of refrigerant vaporizers including improved frost control method and apparatus
08/04/1993EP0424474B1 Method of operating a vapour compression cycle under trans- or supercritical conditions
08/04/1993CN1075002A Flow controller of cooling agent
08/03/1993US5232015 Expansion valve with inlet strainer
08/03/1993US5231847 Multi-temperature evaporator refrigerator system with variable speed compressor
08/03/1993US5231845 Air conditioning apparatus with dehumidifying operation function
07/1993
07/28/1993EP0553056A1 Refrigerant flow control device
07/27/1993US5230223 Method and apparatus for efficiently controlling refrigeration and air conditioning systems
07/21/1993EP0551361A1 Vapour compression systems
07/21/1993EP0551267A1 Pressure control valve
07/20/1993US5228619 Thermal expansion valve
07/20/1993US5228308 Refrigeration system and refrigerant flow control apparatus therefor
07/20/1993US5228301 Methods and apparatus for operating a refrigeration system
07/20/1993CA2012620C Refrigeration equipment service apparatus with quick-disconnect couplings
07/14/1993CN2138278Y Liquid cycling apparatus
07/13/1993US5226472 Modulated temperature control for environmental chamber
07/07/1993EP0550381A1 Back pressure valve
07/06/1993US5224358 Refrigerating apparatus and modulator
07/06/1993US5224354 Control system for refrigerating apparatus
07/01/1993DE4244137A1 Vehicle air conditioning system with unidirectional fluid flow in heating and cooling modes - has valve to direct flow to outer heat-exchanger for cooling and to inner heat exchangers for heating
06/1993
06/29/1993US5222551 Laminate-type heat exchanger
06/24/1993DE4242167A1 System of containers in coolant circuit of refrigerator - allows satd. vapour to be drawn stepwise from one or more vapour spaces into defrosting network
06/23/1993EP0547310A1 Two-temperature household refrigeration apparatus with a single cycle
06/23/1993CN1073517A Circulator for ordinary refrigeration
06/23/1993CN1073516A Circulator for heat pump type air conditioner
06/10/1993WO1993011394A1 Process for setting, controlling and monitoring the level in a refrigerant evaporator
06/09/1993DE4139064A1 Verfahren zur einstellung, regelung und ueberwachung des fuellungsgrads eines kaeltemittelverdampfers Method for setting, controlling and monitoring the fuellungsgrads a kaeltemittelverdampfers
06/08/1993US5216892 Compressor clutch cut-out control in an automotive air conditioning system
06/01/1993US5214939 Variable area refrigerant expansion device having a flexible orifice
06/01/1993US5214931 Apparatus for sampling the purity of refrigerant in the storage container of a refrigerant recovery and purification system
05/1993
05/27/1993WO1993009968A1 Automotive air-conditioning system
05/18/1993US5211713 Temperature control method with simultaneous heating and cooling near the set-point
05/18/1993US5211026 Combination lift piston/axial port unloader arrangement for a screw compresser
05/18/1993US5211025 Slug surge suppressor for refrigeration and air conditioning systems
05/18/1993US5211023 Apparatus and method for heating and cooling with a refrigerant
05/12/1993EP0541157A1 Refrigerating device
05/12/1993CN1072011A Refrigerating apparatus using pressure differential expansion valve as throttle
05/11/1993US5209080 Refrigerant flow control device
05/11/1993US5209073 Cooling device and method with multiple cooled chambers and multiple expansion means
05/09/1993CA2082335A1 Recirculating refrigeration system
05/05/1993EP0539944A2 Expansion valve and temperature sensing assembly therefor
04/1993
04/29/1993DE4134382A1 Air-conditioner or heat-pump mfr. without coolant for household or vehicle - exploits capillarity of porous conductor in electro-osmotic reaction which heats and expels water of crystallisation
04/27/1993US5205131 Refrigerator system with subcooling flow control
04/27/1993CA1316711C Liquid level control system for refrigeration apparatus
04/21/1993EP0537776A1 Thermally responsive expansion valve
04/20/1993US5203179 Control system for an air conditioning/refrigeration system
04/14/1993CN1020302C Capillary thermal regulating valve and its foxing method
04/13/1993US5201190 Refrigerator with subcooling flow control valve
04/13/1993US5201189 Refrigerant compressor with an initial seizure prevention means
04/13/1993CA1316001C Valve indexing for a compressor
04/13/1993CA1315999C Refrigerant metering in a variable flow system
04/13/1993CA1315998C Refrigeration system
04/07/1993CN1070719A Hermetic motor compressor
04/01/1993WO1993006423A1 Method of high-side pressure regulation in transcritical vapor compression cycle device
03/1993
03/31/1993CN2129003Y Shell-and-tube evaporator for refrigerator
03/30/1993US5197297 Transport refrigeration system having compressor over-temperature protection in all operating modes
03/23/1993US5195331 Method of using a thermal expansion valve device, evaporator and flow control means assembly and refrigerating machine
03/23/1993CA2030709C Method for controlling an electronic expansion valve in refrigeration system
03/16/1993US5193353 High capacity hot gas heating system for transport refrigeration system
03/09/1993US5191770 Mounting assembly of a separate type air-conditioner
03/04/1993WO1993004286A1 Capacity control for screw compressors
03/02/1993US5189885 Recirculating refrigeration system
03/02/1993US5189883 Economical refrigeration retrofit systems
02/1993
02/24/1993EP0527856A1 Food freezer
02/24/1993CN1069327A Flake ice machine
02/23/1993US5187944 Variable superheat target strategy for controlling an electrically operated refrigerant expansion valve
02/23/1993US5187942 Refrigerant overcharge prevention system
02/23/1993CA1313768C Blocking valve for refrigeration or air conditioning systems
02/16/1993US5187363 Apparatus for detecting minute quantities of moisture in coolants
02/16/1993US5186207 Small-capacity expansion valve