Patents
Sitemap › F25 - Refrigeration or cooling; Combined heating and refrigeration systems; Heat pump systems; Manufacture or storage of ice; Liquefaction or solidification of gases › F25B - Refrigeration machines, plants, or systems; Combined heating and refrigeration systems; Heat pump systems › F25B 41 - Fluid-circulation arrangements, e.g. for transferring liquid from evaporator to boiler
Patents for F25B 41 - Fluid-circulation arrangements, e.g. for transferring liquid from evaporator to boiler (17,040)
06/1989
06/21/1989CN2039816U General refrigeration system with controllable level high-pressure gas container
06/20/1989US4840039 Automatic expansion valve for a refrigeration circuit
06/20/1989US4840038 Control device for use in a refrigeration circuit
06/15/1989DE3741288A1 Motor-vehicle air-conditioning system which can be switched over to cooling or heating operation
06/13/1989US4838037 Solenoid valve with supply voltage variation compensation
06/07/1989EP0190319B1 Refrigerator or heat pump and jet pump therefor
06/06/1989US4836242 Pressure reducer for pure gases
06/06/1989US4835980 Method for controlling refrigerating system
06/06/1989US4835976 Controlling superheat in a refrigeration system
05/1989
05/31/1989EP0318420A1 Control apparatus for refrigerated cargo container
05/30/1989US4833893 Refrigerating system incorporating a heat accumulator and method of operating the same
05/24/1989EP0316565A2 Superheat control of air conditioning system incorporating fuel cooler
05/23/1989US4832068 Liquid/gas bypass
05/23/1989US4831843 Fluid flow control system
05/23/1989US4831835 Refrigeration system
05/16/1989US4829785 Cryogenic cooling system with precooling stage
05/02/1989US4825908 Four-way valve
05/02/1989US4825662 Temperature responsive compressor pressure control apparatus and method
05/02/1989US4825661 High efficiency, orientation-insensitive evaporator
04/1989
04/11/1989US4819443 Expansion valve
04/05/1989EP0309634A1 Environment-assisted high-efficiency integrated heating and cooling system
03/1989
03/28/1989US4815298 Refrigeration system with bypass valves
03/23/1989WO1989002556A1 Refrigeration system expansion device
03/07/1989US4809518 Laminate type evaporator with expansion valve
03/02/1989DE3727298A1 Air-conditioning cabinet
02/1989
02/28/1989US4809129 Liquid level control system for refrigeration apparatus
02/28/1989US4807445 Refrigeration system
02/28/1989CA1250442A1 System for controlling flow rate of refrigerant
02/21/1989US4805666 Slide valve
02/21/1989US4805419 Absorption type heat exchanging apparatus
02/21/1989US4805417 Dispensing tool assembly for charging a refrigerant into a system
02/08/1989CN1030975A Rotary refrigerating ring
02/07/1989US4802338 Precision-controlled water chiller
01/1989
01/31/1989US4800737 Automotive air conditioning system accumulator with refrigerant processing cartridge including evaporator pressure regulator
01/24/1989US4799363 Room air conditioner
01/24/1989US4799359 Cryogenic refrigerator compressor with externally adjustable by-pass/relief valve
01/18/1989CN1030472A Compression type electric refrigerator
01/10/1989US4796896 Multi-stage elastomeric seal with retainer
01/04/1989EP0297656A1 Refrigerator system
01/04/1989EP0196314B1 A cooling or refrigerating system
12/1988
12/28/1988CA1247385A Apparatus for measuring refrigerant flow rate in refrigeration cycle
12/27/1988US4793150 Refrigeration system including refrigerant noise suppression
12/21/1988EP0295894A1 Transport refrigeration system having means for enhancing the capacity of a heating cycle
12/21/1988EP0295377A2 Temperature regulation arrangement and method, especially for cooling centrifuges
12/15/1988WO1988009908A1 Capacity reducing valve for continuously controlling refrigerating machines and heat pumps
12/13/1988US4790145 Superheat control of air conditioning system incorporating fuel cooler
12/06/1988US4789025 Control apparatus for refrigerated cargo container
12/06/1988US4788828 Control device for use in a refrigeration circuit
11/1988
11/29/1988US4787213 Regulating mechanism for the refrigerant flow to the evaporator or refrigerating systems or heat pumps and expansion valves arranged in the refrigerant flow
11/29/1988US4787211 Refrigeration system
11/24/1988DE3715319A1 Detachable coupling for the supply line to a Joule-Thomson cooler
11/22/1988US4785640 Freezing apparatus using a rotary compressor
11/17/1988EP0291399A1 Expander for pure gases
11/15/1988US4784177 Expansion device for a refrigeration system, piston therefor and methods of making the same
11/02/1988EP0288902A1 Refrigeration plant
10/1988
10/20/1988WO1988008108A1 Refrigerated tank container
10/04/1988US4774815 In an ice making system
09/1988
09/21/1988EP0283323A2 Refrigeration circuit
09/21/1988EP0282782A2 Multiple room type air conditioning system and control method therefor
09/21/1988EP0282772A2 Operating method for an air conditioning system
09/20/1988US4771610 Multiroom air conditioner
09/20/1988CA1242086A1 Highly efficient flexible two-stage refrigeration system
09/13/1988US4770000 Air conditioner
09/13/1988US4769998 Precision-controlled water chiller
09/06/1988US4768348 Apparatus for controlling a refrigerant expansion valve in a refrigeration system
09/01/1988DE3705849A1 Refrigerating plant
08/1988
08/30/1988US4766735 Inverter-aided multisystem air conditioner with control functions of refrigerant distribution and superheating states
08/24/1988EP0279622A1 Control device for a refrigeration circuit
08/10/1988CN87215933U Energy-saving refrigeration cycle device for cold cupboard
08/09/1988US4761964 Apparatus for enhancing the performance of a heat pump and the like
08/09/1988CA1240164A1 Refrigeration system
08/03/1988EP0276491A2 Control system for air cooling
08/02/1988US4760709 Five-way valve having simultaneous defrosting and heating functions
08/02/1988US4760707 Thermo-charger for multiplex air conditioning system
07/1988
07/27/1988EP0275931A2 Expansion valve
07/21/1988DE3800241A1 Kaelteanlage Kaelteanlage
07/19/1988CA1239458A1 Control system for an electronic expansion valve in a refrigeration system
07/12/1988US4756166 Integral receiver/dehydrator and expansion valve for air conditioning systems
07/12/1988CA1239206A1 Method and apparatus for controlling refrigerant flow in a refrigeration system
07/05/1988US4754614 Prime-motor-driven room warming/cooling and hot water supplying apparatus
06/1988
06/30/1988DE3642987A1 Combined refrigerating and heat pump plant, with heat recovery
06/29/1988EP0272826A1 Control device for a refrigeration circuit
06/29/1988CN85104710B Heat transfer tube used for uniphase flow
06/28/1988US4753271 Four-way electrovalve governed by a thermoactuator associated with a thermistor (PTC)
06/21/1988US4751823 Control arrangement affecting operation, safety and efficiency of a heat recovery system
06/21/1988CA1238202A1 Refrigerant reversing valve
06/16/1988WO1988004383A1 Closing and injection valve especially for hot gas defrosting in freezing and cooling installations
06/14/1988US4750334 Balanced thermostatic expansion valve for refrigeration systems
06/08/1988EP0270015A2 Refrigerating installation
06/07/1988US4749166 Discharge valve and baffle assembly for a refrigeration system
06/07/1988US4748826 Refrigerating or heat pump and jet pump for use therein
06/07/1988US4748820 For product-display cases
06/07/1988US4748818 Transport refrigeration system having means for enhancing the capacity of a heating cycle
05/1988
05/24/1988US4745777 Refrigerating cycle apparatus
05/24/1988US4745767 System for controlling flow rate of refrigerant
05/24/1988CA1237045A1 Adjustable pressure regulating solenoid valve
05/24/1988CA1236988A1 Flow-through surge receiver
05/10/1988US4742694 Refrigerant apparatus
05/10/1988US4742689 Constant temperature maintaining refrigeration system using proportional flow throttling valve and controlled bypass loop
05/04/1988EP0266301A2 Refrigerant metering in a variable flow system
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