Patents for F25B 40 - Subcoolers, desuperheaters or superheaters (3,071)
02/1994
02/15/1994CA2101415A1 Multi-temperature evaporator refrigerator system with variable speed compressor
02/08/1994US5284024 Method of monitoring the operation of a refrigeration unit
02/03/1994WO1994002789A1 Refrigeration system utilizing an expansion jet compressor
02/03/1994CA2119564A1 Refrigeration system utilizing an expansion jet compressor
12/1993
12/28/1993US5272884 Method for sequentially operating refrigeration system with multiple evaporators
12/14/1993US5269158 Evaporator for a compressor-refrigerating apparatus
12/14/1993US5269153 Apparatus for controlling space heating and/or space cooling and water heating
11/1993
11/30/1993US5265434 Method and apparatus for controlling capacity of a multiple-stage cooling system
11/30/1993US5265433 Air conditioning waste heat/reheat method and apparatus
11/09/1993US5259214 Air conditioning system
11/09/1993US5259213 Heat pump efficiency enhancer
10/1993
10/14/1993WO1993020391A1 Enhancing efficiency of refrigerant-circulating cooling system
10/06/1993EP0563718A1 Refrigeration device for refrigerators
09/1993
09/21/1993US5245843 Evaporator
09/21/1993US5245836 Method and device for high side pressure regulation in transcritical vapor compression cycle
09/21/1993US5245833 Liquid over-feeding air conditioning system and method
09/16/1993WO1993018357A1 Subcooling system for refrigeration cycle
09/14/1993US5243837 Subcooling system for refrigeration cycle
09/01/1993CN2141536Y Cold storage grid for refrigerator and freezer
08/1993
08/31/1993US5240651 Adiabatic modulator proportioning refrigeration controller desuperheater
08/26/1993DE4205681A1 Operating air conditioning in motor vehicles - requires cooling medium which is super-cooled between fluid collector and expansion valve
08/17/1993US5235820 Refrigerator system for two-compartment cooling
08/04/1993EP0424474B1 Method of operating a vapour compression cycle under trans- or supercritical conditions
08/03/1993US5231847 Multi-temperature evaporator refrigerator system with variable speed compressor
07/1993
07/06/1993US5224358 Refrigerating apparatus and modulator
06/1993
06/29/1993US5222551 Laminate-type heat exchanger
06/29/1993US5222378 Filter/separator for a vehicle air conditioning system
06/01/1993US5214928 Refrigeration apparatus and methods
05/1993
05/27/1993DE4138774A1 Heat pump for building heating system - uses heat exchangers for receiving and transferring heat energy to and from primary and secondary heat transfer mediums
05/25/1993US5212965 Evaporator with integral liquid sub-cooling and refrigeration system therefor
05/12/1993EP0541343A1 Refrigeration systems
05/12/1993EP0541324A1 Refrigeration systems
05/05/1993CA2080220A1 Household refrigerator with improved refrigeration circuit
05/05/1993CA2080219A1 Household refrigerator with improved refrigeration circuit
05/04/1993US5207077 Refrigeration system
04/1993
04/07/1993EP0535106A1 Method of transferring heat energy from a low to a higher temperature.
04/01/1993WO1993006422A1 Thermal inter-cooler
03/1993
03/30/1993US5197538 Heat exchanger apparatus having fluid coupled primary heat exchanger unit and auxiliary heat exchanger unit
03/30/1993US5197297 Transport refrigeration system having compressor over-temperature protection in all operating modes
03/16/1993US5193358 Compression cooling plant provided with an oil separator
03/09/1993US5191776 Household refrigerator with improved circuit
03/03/1993EP0529882A2 Methods and apparatus for operating a refrigeration system
02/1993
02/25/1993DE4127754A1 Intercooler for two=stage compressor - uses temp. sensors and control circuit to open valve allowing spray of condensed fluid between compressor stages
02/24/1993CN1069327A Flake ice machine
02/16/1993US5186011 Refrigerant cycling apparatus
01/1993
01/28/1993DE4201035A1 Refrigerant circuit esp. of vehicle air conditioning system - has evaporator expanding liq. refrigerant which is then supplied to compressor with heating up system for refrigerant downstream of evaporator
01/21/1993WO1993001459A1 Heat pumping system with flow restricting tube in inner cavity of suction conduit
01/21/1993WO1993001458A1 Refrigeration system efficiency enhancer
01/07/1993WO1993000561A1 Flake ice machine
12/1992
12/30/1992EP0520309A1 Evaporator for a compressor-refrigerator
12/29/1992US5174123 Methods and apparatus for operating a refrigeration system
12/23/1992CA2071761A1 Evaporator for a compressor-refrigerating apparatus
12/22/1992US5172564 Integrated heat pump with restricted refrigerant feed
12/01/1992CA1310839C Refrigeration apparatus
11/1992
11/17/1992US5163304 Refrigeration system efficiency enhancer
11/15/1992CA2061482A1 Integrated heat pump with restricted refrigerant feed
11/03/1992US5159817 Refrigerant path apparatus
10/1992
10/27/1992US5157943 Refrigeration system including capillary tube/suction line heat transfer
10/27/1992US5157931 Refrigeration method and apparatus utilizing an expansion engine
10/06/1992US5152152 Method of determining refrigerant charge
09/1992
09/29/1992US5150580 Air-conditioning/refrigeration system
09/15/1992US5146767 Motor vehicle air conditioning system
08/1992
08/26/1992EP0499999A2 Refrigerant cycling apparatus
08/05/1992EP0497339A2 Evaporator
07/1992
07/21/1992US5131235 Cooling system having coolant mass flow control
07/16/1992DE4100753A1 Refrigerator with single condenser for all gaseous refrigerant(s) - has heat exchanger reconverting liq. to gas using single compressor
07/14/1992US5129449 High performance heat exchanger
05/1992
05/26/1992US5115644 Method and apparatus for condensing and subcooling refrigerant
05/19/1992US5113668 Refrigeration system with evaporative subcooling
05/13/1992EP0485203A1 Air conditioning system
05/13/1992EP0485147A1 Refrigeration system
04/1992
04/21/1992US5105633 Solvent recovery system with means for supplemental cooling
04/21/1992US5105629 Heat pump system
04/16/1992WO1992006338A1 Refrigeration method and apparatus utilizing an expansion engine
04/15/1992EP0480330A2 Refrigeration apparatus with modulator
04/08/1992EP0478939A2 Two-stage rotary compressor for refrigerating plants
03/1992
03/24/1992US5097677 Method and apparatus for vapor compression refrigeration and air conditioning using liquid recycle
03/17/1992US5095712 Economizer control with variable capacity
03/05/1992DE4027838A1 Arrangement for humidity reduction - in air or gas drier and heat exchanger
03/03/1992US5092138 Two evaporators, heat exchanger, compressor, condenser; chlorofluorocarbon mixture
02/1992
02/04/1992CA1295139C Power saving refrigeration device
01/1992
01/14/1992US5079930 Apparatus and method for monitoring refrigeration system
01/14/1992US5079929 Multi-stage refrigeration apparatus and method
12/1991
12/26/1991WO1991019947A1 Method of transferring heat energy from a low to a higher temperature
12/12/1991WO1991019140A1 Apparatus for conditioning gas, particularly refrigerant
12/03/1991US5069043 Refrigeration system with evaporative subcooling
11/1991
11/26/1991US5067326 Method and apparatus for controlling capacity of a multiple-stage cooling system
11/07/1991DE4014436A1 Air conditioning system for ambient temp. control - has an additional heat exchanger connected by capillary tubes
11/05/1991US5062274 Unloading system for two compressors
10/1991
10/15/1991US5056329 Heat pump systems
09/1991
09/17/1991CA1288961C Integrated heat pump system
09/10/1991CA1288606C Heat pump system with hot water device
09/03/1991US5044167 Vapor cycle cooling system having a compressor rotor supported with hydrodynamic compressor bearings
08/1991
08/06/1991US5036680 Refrigeration separator with means to meter quality of refrigerant to the evaporator
07/1991
07/03/1991EP0435487A2 Refrigeration system having a modulation valve which also performs function of compressor throttling valve
06/1991
06/29/1991CA2030413A1 Refrigeration system having a modulation valve which also performs function of compressor throttling valve
05/1991
05/08/1991EP0426061A1 Method for producing heat exchanger tubes
05/08/1991DE4010304C1 Transportable, two temp. refrigerator for medical use - has vaporising section assigned to lower temp. compartment serving as post vaporiser for higher temp. compartment
05/02/1991EP0424474A1 Method of operating a vapour compression cycle under trans- or supercritical conditions.
04/1991
04/24/1991EP0424003A2 Refrigeration system
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