Patents for F25B 41 - Fluid-circulation arrangements, e.g. for transferring liquid from evaporator to boiler (17,040)
02/2000
02/02/2000EP0976994A1 Refrigerator and method of filling it with coolant
02/01/2000US6019558 Nut and bolt securing device
02/01/2000US6018959 Method for controlling the superheat temperature of the refrigerant in an evaporator arrangement of a refrigeration system or heat pump system, and a device for implementing the method
01/2000
01/27/2000WO2000003883A1 Co2-operated air conditioning system
01/27/2000WO2000003882A1 Co2-operated air conditioning system for a motor vehicle
01/27/2000DE19835084A1 Refrigeration or heat pump circuit for cooling or heating system has spaced-apart flow paths formed between inlet and outlet points on evaporation container
01/27/2000DE19832480A1 Vehicle air conditioning system with carbon dioxide working fluid is designed for limited variation in efficiency over a given range of high pressure deviation, avoiding need for controls on high pressure side
01/27/2000DE19832479A1 Vehicle air conditioning system employing carbon dioxide working fluid includes specially designed expansion valve having orifice with length and diameter orifice limiting maximum operational pressure
01/26/2000EP0974792A2 Heat exchange equipment
01/26/2000EP0793792B1 Evaporator for a compressor-type capillary cooling unit
01/26/2000CN2360811Y Adjustable strong industion liquid feeder
01/26/2000CN2360810Y Feeding and return-air device of refrigerating system
01/25/2000US6016843 Flanged pipe unit and method of producing same
01/25/2000US6016662 Vehicular air conditioning apparatus for effectively cooling a main cooling unit and an additional cooling unit
01/23/2000CA2278415A1 Heat exchange equipment
01/20/2000DE19932468A1 Super-cooled critical cooling circuit has coolant pressure at outlet of gas cooler controlled by pressure reducing element to attain pressure determined by coolant temperature
01/19/2000EP0972942A2 Scroll compressor with unloader valve between economizer and suction
01/19/2000CN1241706A Absorption cooling apparatus
01/18/2000US6015453 Refrigeration system and a separator therefor
01/13/2000WO2000001990A1 Flow path selector valve and method of selecting and driving the valve, compressor with flow path selector valve, and refrigerating cycle control device
01/13/2000DE19931359A1 Thermostatic expansion valve for coolant circuit for motor vehicle air conditioning system
01/13/2000DE19931329A1 Thermostatic expansion valve for coolant circuit for motor vehicle air conditioning system
01/12/2000EP0971184A2 Pressure control valve
01/12/2000EP0971183A1 Air conditioner
01/12/2000EP0776451B1 Process for setting the static overheating in expansion valves for coolant circuits
01/11/2000US6012301 Thermal expansion valve
01/11/2000US6012300 Pressure control valve for refrigerating system
01/11/2000US6012299 Process for the control of a refrigeration system, as well as a refrigeration system and expansion valve
01/11/2000US6012294 Air conditioner control method and apparatus of the same
01/05/2000EP0969257A2 Refrigerated container and method for optimizing temperature pull down in the container
01/05/2000EP0782687A4 Integral evaporator and suction accumulator
01/05/2000CN2357243Y Cooling system for one driven many air-conditioners
12/1999
12/29/1999WO1999067101A2 Motor vehicle air conditioning circuit provided with a pre-expansion device
12/29/1999EP0967448A2 Refrigerant expansion valve
12/29/1999EP0967446A2 Device for changing flow of operating medium in air conditioning system
12/29/1999CN1240018A Valve-in-valve body, vent port and method
12/29/1999CN1047837C Operation control device for air conditioner
12/28/1999US6006544 Refrigeration cycle
12/28/1999US6006532 Refrigerant cycle system
12/23/1999DE19826292A1 Verfahren zum Betreiben einer Pumpe zur Förderung siedender Kältemittel oder Kälteträger Method for operating a pump to deliver boiling refrigerant or refrigerant
12/22/1999EP0965020A1 A refrigeration system and a separator therefor
12/22/1999CN1239215A Modular thermal expansion valve and cartridge therefor
12/21/1999US6003905 Refrigerant access manifold
12/21/1999US6003410 System and method for determining the amount of refrigerant in a vapor compression system
12/21/1999US6003325 Air conditioner particularly suitable for vehicle and method of controlling the same
12/21/1999CA2147156C Valve for air conditioning system with proportional solenoid
12/16/1999DE19826291A1 Verfahren zum Betreiben einer Pumpe zur Förderung siedender Kältemittel oder Kälteträger Method for operating a pump to deliver boiling refrigerant or refrigerant
12/15/1999EP0964158A2 Pump operating process for boiling refrigerants or coolants
12/15/1999EP0964156A2 Pump operating process for boiling refrigerants or coolants
12/15/1999EP0662205B1 Low friction solenoid actuator and valve
12/14/1999US6000458 Isothermal-liquid circulating apparatus with modular units
12/14/1999US6000235 Absorption cooling and heating refrigeration system flow valve
12/14/1999US6000231 Reverse liquid defrost apparatus and method
12/09/1999WO1999063258A1 Electrically actuated reed valve
12/09/1999WO1999063252A1 High flow valved fitting
12/09/1999CA2332053A1 Electrically actuated reed valve
12/08/1999EP0962727A2 Thermostatic expansion valve
12/08/1999EP0962726A2 Right angle thermally responsive expansion valve
12/08/1999EP0962725A1 Airconditioner using inflammable refrigerant
12/08/1999CN1238035A Process for control of refrigeration system, as well as refrigeration system and expansion valve
12/08/1999CN1238034A Process for control of refrigeration system, as well as refrigeration system and expansion valve
12/08/1999CN1237695A Right angle thermally responsive expansion valve
12/07/1999US5996900 Thermostatic subcooling control valve
12/07/1999US5996899 Thermostatic expansion valve
12/07/1999US5996369 Air conditioner with sub-condenser
12/07/1999US5996364 Scroll compressor with unloader valve between economizer and suction
12/07/1999US5996362 Water heater modified from refrigerated machine using two refrigerant paths and two different types of condensers working alternatively
12/02/1999WO1999061849A1 Geothermal heat pump system
12/02/1999WO1999061135A1 Method and device for cool-drying
12/02/1999DE19910584A1 Kühl- bzw. Kältemittelzyklus für eine Fahrzeug-Klimaanlage Refrigerant cycle for a vehicle air conditioning system
12/01/1999EP0960756A1 Air conditionning device using a refrigerant fluid in a supercritical state
12/01/1999EP0960755A1 Air conditioning circuit using a refrigerant fluid in a supercritical state, in particular for a vehicle
12/01/1999EP0680589B1 Method and apparatus for controlling an expansion valve
12/01/1999CN1237240A Refrigeration circuit arrangement for refrigeration system
12/01/1999CA2272181A1 Right angle thermally responsive expansion valve
11/1999
11/30/1999USRE36408 Refrigerating apparatus and modulator
11/30/1999US5992459 Rotary flow-path exchanging valve
11/30/1999CA2011741C Transport refrigeration system having means for enhancing the capacity of a heating cycle
11/25/1999DE19822215A1 Ventil, insbesondere für Kühlmittel in Kühlaggregaten Valve, in particular for coolant in cooling units
11/24/1999EP0959310A2 Modular thermal expansion valve and cartridge therefor
11/24/1999EP0959308A2 Air conditioner
11/24/1999EP0959279A2 Valve in particular for refrigerant in refrigeration sets
11/24/1999EP0877905B1 Refrigerating machine and method of regulating the filling level of a refrigerant evaporator
11/24/1999CN1236083A Silencer and air conditioner
11/23/1999US5987916 System for supermarket refrigeration having reduced refrigerant charge
11/23/1999US5987914 Refrigerating/air-conditioning apparatus
11/23/1999US5987907 Refrigerant circulating system
11/17/1999EP0858576A4 Closed cycle cryogenic refrigeration system with automatic variable flow area throttling device
11/17/1999CN1235265A Pulsed flow for capacity control
11/16/1999US5985111 Water evaporation type cooling apparatus by means of electrolytic reaction
11/16/1999US5983989 Method and apparatus for controlling discharged-air temperature for vehicular air-conditioning system
11/16/1999US5983660 Defrost subcircuit for air-to-air heat pump
11/11/1999WO1999057495A1 System and method for determining the amount of refrigerant in a vapor compression system
11/10/1999EP0954731A1 Process for the control of a refrigeration system, as well as a refrigeration system and expansion valve
11/10/1999EP0954730A1 Fluid induction and heat exchange device
11/09/1999US5979780 Thermostatic expansion valve with integral electrically operated inlet valve
11/04/1999WO1999056066A1 Electronic controlled expansion valve
11/03/1999EP0953132A1 Refrigeration system with closed circuit circulation
11/02/1999US5974863 Method and device for liquid leakage indication
11/02/1999US5974821 System and method for channeled freeze processing of non-solid materials