Patents for F25B 41 - Fluid-circulation arrangements, e.g. for transferring liquid from evaporator to boiler (17,040)
06/1999
06/29/1999US5915402 Refrigeration isolation valve apparatus and method of use
06/24/1999WO1999031444A1 Airconditioner using inflammable refrigerant
06/23/1999EP0924482A2 Expansion valve integrated with electromagnetic valve
06/23/1999EP0924479A2 Air conditioner control method and apparatus of the same
06/23/1999CN1043810C Valve, especially thermostatic expansion valve
06/22/1999US5913891 Thermal expansion valve and system including such device and method for making such device
06/22/1999US5913362 Condenser having a coolant distributor
06/15/1999US5911242 Reversing valve and method
06/10/1999WO1999028661A1 Absorption cooling and heating refrigeration system flow valve
06/09/1999EP0921364A2 Pulsed flow for capacity control
06/09/1999CN2323326Y Air flow circulation device for air cooled refrigerating machine set
06/08/1999US5910166 Refrigeration system and a capillary tube thereof
06/03/1999WO1999027314A1 Refrigerator and method of filling it with coolant
06/02/1999EP0919410A2 Vehicle air conditioning system with expansion valve control during high pressure cycle conditions
06/01/1999US5907957 Discharge pressure control system for transport refrigeration unit using suction modulation
06/01/1999CA2141015C Quick connect conduit coupling
05/1999
05/25/1999US5906225 For use in the refrigerant line
05/25/1999US5906107 Air conditioner and control method of the same
05/25/1999US5906104 Combination air conditioning system and water heater
05/20/1999WO1999024746A1 Valve unit for the adjustment of under pressure fluid flow
05/19/1999EP0916914A2 A refrigerating cycle
05/18/1999US5904049 Refrigeration expansion control
05/14/1999WO1999023425A2 Refrigerated merchandiser with modular evaporator coils and 'no defrost' product area
05/14/1999CA2307814A1 Refrigerated merchandiser with modular evaporator coils and "no defrost" product area
05/12/1999EP0915306A2 Supercritical refrigerating apparatus
05/11/1999US5901750 Variable flow orifice valve assembly
05/11/1999US5901737 Rotary valve having a fluid bearing
05/11/1999US5901563 Heat exchanger for heat transfer system
05/06/1999EP0912867A1 Refrigeration system
05/06/1999EP0912866A1 Improvements in the refrigerating circuits of household and similar vapour-compression refrigeration apparatuses
05/06/1999EP0801719A4 Integral bi-directional flow control valve
05/06/1999EP0697086B1 Refrigerant flow rate control based on evaporator dryness
05/06/1999DE19748083A1 Expansion device for working medium using vortex tube
04/1999
04/27/1999US5897099 Expansion valve and refrigerating system
04/27/1999US5896922 Cold plate for dual refrigeration systems
04/20/1999US5894741 Universal housing body for an expansion device having a movable orifice piston for metering refrigerant flow
04/15/1999DE19743629A1 Controlling air-conditioning plant of car
04/14/1999EP0908625A2 Absorption refrigeration system pump
04/14/1999CN2314309Y Electronic expansion valve for household air conditioner
04/14/1999CN1213763A Refrigerant or refrigerant mixture circuit
04/13/1999US5893273 Shut-off valve with incorporated expansion nozzle, for pressurized fluids of air cooling/heating apparatus
04/13/1999US5893271 Vapor degreaser refrigeration system
04/08/1999WO1999017066A1 An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
04/08/1999DE19743734A1 Coolant or coolant mixture circuit
04/07/1999EP0907057A1 Thermostatic expansion valve with integral electrically operated inlet valve
04/06/1999US5890375 Arrangement at a tube evaporator
04/06/1999US5890370 Refrigerating system with pressure control valve
04/01/1999WO1999015842A1 System for supermarket refrigeration having reduced refrigerant charge
03/1999
03/31/1999EP0904963A2 Air conditioning system for a motor vehicle
03/31/1999EP0795110B1 Vapour compression system and method of operating the same
03/31/1999EP0777843A4 Self-adjusting superheat valve
03/31/1999CN1212352A Heat pump type air conditioning apparatus
03/25/1999WO1999014519A1 A valve assembly and airconditioning system including same
03/23/1999US5885062 Switching valve fluid compressor and heat pump type refrigeration system
03/18/1999WO1999013277A1 Refrigeration system with variable sub-cooling
03/17/1999EP0902244A2 Refrigeration apparatus with a cooling space and a freezing compartment
03/16/1999US5882042 Connector for freon hose assembly
03/16/1999CA2244282A1 Refrigeration device for variable operating conditions
03/16/1999CA2155466C An actuating drive having a spring return feature
03/11/1999WO1999011987A1 A refrigeration circuit arrangement for a refrigeration system
03/10/1999CN1210228A Air conditioner
03/09/1999US5878781 Reversing valve and method
03/03/1999EP0899522A2 Device for preventing compressor damage due to oil shortage at very low suction temperatures, particularly for vehicle refrigeration compressors
03/02/1999US5877476 Apparatus and method for mass flow control of a working fluid
03/02/1999US5875651 Low vibration throttling device for throttle-cycle refrigerators
03/02/1999US5875640 Multi-story air conditioning system with oil return means
02/1999
02/24/1999EP0898132A2 Bidirectional flow control device
02/24/1999EP0898131A1 Thermostatic subcooling control valve
02/24/1999EP0898127A2 Refrigerating/air-conditioning apparatus
02/24/1999CN1209159A Refrigerating machine oil and refrigerator using same
02/24/1999CN1208842A Refrigerating/air-conditioning apparatus
02/23/1999US5873255 Digital control valve for refrigeration system
02/18/1999DE19735085A1 Heat pump installation
02/17/1999EP0784776B1 Control arrangement for the superheat temperature of at least one evaporator of a refrigeration system
02/10/1999EP0895884A2 Air conditioner with subcondenser
02/10/1999CN1042006C 热交换器 Heat exchanger
02/09/1999US5867998 Controlling refrigeration
02/09/1999US5867995 Electronic control of refrigeration systems
02/03/1999EP0895051A1 Distributor for tubular heat exchanger of two-phase refrigerant cooling apparatus
02/03/1999EP0894651A2 Refrigeration cycle apparatus
02/03/1999EP0894229A1 Pulsed operation control valve
02/02/1999US5865033 Method and device for cooling gases
01/1999
01/27/1999CN2305626Y High efficiency phase regulating rotary valve air distribution structure
01/26/1999US5862676 Refrigerant expansion device
01/26/1999US5862675 Electrically-driven cooling/heating system utilizing circulated liquid
01/20/1999EP0892229A2 Isothermal-liquid circulating apparatus
01/20/1999EP0892226A2 Pressure control valve for refrigerating system
01/20/1999EP0891520A1 Fuzzy logic liquid level control
01/20/1999EP0776449B1 Control arrangement for a cooling apparatus
01/13/1999EP0890804A2 Refrigerant cycle system
01/12/1999US5857347 Refrigeration system and a separator therefor
01/12/1999US5857344 Atmospheric water extractor and method
01/07/1999WO1999000632A1 Refrigerating apparatus for vehicles
01/06/1999CN1204015A Rotary flow-path exchanging valve
12/1998
12/30/1998WO1998059202A1 Water vaporization type cooler for heat-generating element
12/30/1998WO1998059177A1 Nut and bolt securing device
12/30/1998EP0887602A1 Heat pump
12/30/1998CN1203349A Rotary flow-path exchanging valve
12/30/1998CN1203346A Thermal wind exhausting air conditioner
12/29/1998US5852937 Indicator cap and method of manufacture thereof