Patents for F25B 1 - Compression machines, plant or systems with non-reversible cycle (15,293)
03/1994
03/22/1994CA1328005C Cooling fan controlling apparatus for vehicle with air conditioner
03/15/1994US5294359 Refrigerant compositions
03/09/1994EP0586193A1 Refrigeration cycle
03/08/1994US5291941 Airconditioner having selectively operated condenser bypass control
03/08/1994US5291749 Energy efficient domestic refrigeration system
03/08/1994CA2016690C Cooling system with supplemental thermal storage
03/02/1994EP0584748A2 Control apparatus for an induction motor
03/01/1994US5291390 Control apparatus for mechanical devices which regulates control system operation speed to prevent hunting and overshooting and thereby optimizes the control signal
03/01/1994US5290466 Compositions of difluoromethane and tetrafluoroethane
02/1994
02/23/1994EP0583909A1 Multi-temperature evaporator refrigerator system with variable speed compressor
02/23/1994CN1082699A Control system for heat pump having decoupled sensor arrangement
02/22/1994CA2014653C Control apparatus used for a refrigerant circuit having a compressor with a variable displacement mechanism
02/16/1994EP0583179A1 Pseudo-azeotropic mixtures of difluoromethane, pentafluoroethane and 1,1,1,-trifluoroethane and their application as refrigerants for low temperature cooling
02/16/1994CN2156447Y Low-temp. refrigeration and temp. controller
02/15/1994CA2101415A1 Multi-temperature evaporator refrigerator system with variable speed compressor
02/13/1994CA2100693A1 Pseudo-azeotropic mixtures of difluoromethane, pentafluoroethane and 1,1,1-trifluoroethane, and their use as refrigerants in low temperature refrigeration
02/09/1994CN1081757A Open-type compression refrigerating apparatus
02/09/1994CN1081755A Air conditioning system in which multiple of indoor units are connected with one outdoor unit
02/08/1994US5284026 Control system for an air conditioning/refrigeration system
02/08/1994CA2090390A1 Fail safe mechanical oil shutoff arrangement for screw compressor
02/03/1994WO1994002789A1 Refrigeration system utilizing an expansion jet compressor
02/03/1994CA2119564A1 Refrigeration system utilizing an expansion jet compressor
02/02/1994EP0581685A1 Airconditioning device, in particular for a motor vehicle
02/02/1994CN1081460A Novel refrigerant compound
01/1994
01/31/1994CA2096187A1 Bearing and seal for slide valve actuator piston in a screw compressor
01/19/1994EP0579072A1 Novel refrigerant compositions
01/12/1994CA2100316A1 Refrigerant composition containing trifluoromethane and 1,1,1,2-tetrafluoroethane
01/05/1994EP0576550A1 Non-azeotropic refrigerant compositions comprising difluoromethane; 1,1,1-trifluoroethane; or propane.
01/04/1994US5275006 Rotary two-phase refrigeration apparatus and method
12/1993
12/28/1993US5272885 Air-conditioning apparatus having heat source unit and plural indoor units connected to the heat source unit
12/23/1993WO1993025853A1 Operation control apparatus for air-conditioner
12/21/1993US5271238 Environmental control system
12/15/1993EP0573516A1 Thermodynamic systems including gear type machines for compression or expansion of gases and vapors
12/15/1993EP0331760B1 Refrigerant
12/09/1993WO1993024597A1 Polyol ester lubricants for hermetically sealed refrigerating compressors
12/08/1993CN2148927Y Long's refrigerating machine
12/07/1993US5267452 Back pressure valve
12/01/1993CN1079043A Controlling apparatus in air conditioner
11/1993
11/27/1993WO1993024876A1 Fuel-fired heat pump system
11/27/1993CA2112693A1 Fuel-fired heat pump system
11/23/1993US5263341 Compression-evaporation method using standing acoustic wave
11/23/1993US5263335 Operation controller for air conditioner
11/18/1993EP0570130A2 Air conditioner
11/17/1993CN2146685Y Air cooler
11/09/1993US5259211 Method for controlling the rotational speed of a motor-compressor used in an air conditioner
11/09/1993CA1323991C Heat engine, refrigeration and heat pump cycles approximating the carnot cycle and apparatus therefor
11/03/1993EP0568115A2 Near-azeotropic blends for use as refrigerants
11/03/1993CN2145352Y Low-voltage steam refrigeration device
11/02/1993US5257508 Environmental control system
10/1993
10/28/1993WO1993021280A1 Refrigerant composition and binary refrigerating system using the composition
10/26/1993US5255529 Environmental control system
10/26/1993US5255523 Method and apparatus for determining the solid fraction of a stored cryogenic refrigeration system
10/19/1993US5253483 Environmental control system
10/19/1993US5253481 Control unit for activating compressor
10/12/1993US5252035 Suction structure for electrically-driven hermetic compressor
10/06/1993EP0563237A1 Hollow electrical conductor coolable to extremely low temperatures, and a method of using it.
10/06/1993CN1076957A Novel refrigerant composition earl august eugene lund ian robert shnkland
09/1993
09/29/1993CN1076774A Heat stored air conditioner
09/21/1993US5245837 Air-conditioning apparatus wherein a plurality of indoor units are connected to outdoor unit
09/16/1993WO1993018356A1 Control system for an air conditioning/refrigeration system
09/16/1993CA2131453A1 Control system for an air conditioning/refrigeration system
09/15/1993CN1022128C Rotary positive displacement compressor and refrigeration plant
09/14/1993US5243827 Overheat preventing method for prescribed displacement type compressor and apparatus for the same
09/07/1993US5241833 Air conditioning apparatus
09/01/1993EP0558095A2 Apparatus for controlling a dual evaporator, dual fan refrigerator with independent temperature controls
08/1993
08/31/1993US5240384 Pulsating ejector refrigeration system
08/31/1993US5239837 Hydrocarbon fluid, ejector refrigeration system
08/31/1993US5239835 Refrigeration system consisting of a plurality of refrigerating cycles
08/24/1993US5237832 Combined marine refrigerating and air conditioning system using thermal storage
08/17/1993US5236311 Compressor device for controlling oil level in two-stage high dome compressor
08/17/1993US5235820 Refrigerator system for two-compartment cooling
08/11/1993CN1075195A 背压阀 Backpressure valve
08/05/1993WO1993015162A1 Novel refrigerant compositions
08/05/1993WO1993015161A1 Improved nonazeotropic working fluid media for use in thermodynamic cycle applications
08/05/1993CA2467464A1 Improved nonazeotropic working fluid media for use in thermodynamic cycle applications
08/05/1993CA2126563A1 Novel refrigerant compositions
08/04/1993EP0553892A2 Dual-evaporator, dual-fan refrigerator with independent temperature controls
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
07/29/1993DE4202204A1 Air conditioning plant esp. for sealed partitioned container holding electronic data processor - contg. high value heat giving appts. to be protected in certain cases and plant is designed with two self sufficient plant parts working together each with HP & LP part
07/28/1993CN1074747A Automatic chiller stopping squence
07/27/1993US5230222 Compressor crankcase heater control
07/22/1993WO1993014175A1 Compositions useful as refrigerants
07/22/1993WO1993014174A1 Compositions useful as refrigerants
07/22/1993WO1993014173A1 Compositions useful as refrigerants
07/22/1993CA2126187A1 Compositions useful as refrigerants
07/22/1993CA2126186A1 Compositions useful as refrigerants
07/22/1993CA2126185A1 Compositions useful as refrigerants
07/21/1993EP0552127A1 Automatic chiller stopping sequence
07/21/1993EP0551361A1 Vapour compression systems
07/20/1993US5228310 Solar heat pump
07/20/1993US5228301 Methods and apparatus for operating a refrigeration system
07/08/1993WO1993013370A1 Transcritical vapor compression cycle device with a variable high side volume element
07/08/1993CA2126695A1 Transcritical vapor compression cycle device with a variable high side volume element
07/07/1993EP0550381A1 Back pressure valve
07/06/1993US5224357 Modular tube bundle heat exchanger and geothermal heat pump system
07/06/1993US5224354 Control system for refrigerating apparatus
06/1993
06/29/1993US5222370 Automatic chiller stopping sequence
06/23/1993CN1073473A Refrigeration working fluid composite
06/22/1993US5221493 Azeotropic compositions of 1,1,2,2,3,3,4,4-octafluorobutane and alcohols or ketones