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 1 - Compression machines, plant or systems with non-reversible cycle
Patents for F25B 1 - Compression machines, plant or systems with non-reversible cycle (15,293)
08/1999
08/05/1999WO1999009319A9 Two stage reciprocating compressors and associated hvac systems and methods
08/04/1999EP0933603A1 Cooling system having an inverter for controlling a compressor cooled by a fluid of the system and related process
08/04/1999EP0697087B1 Refrigerant flow rate control based on liquid level in the phase separator of a dual evaporator two-stage refrigeration system
07/1999
07/28/1999EP0931991A2 Supercritical refrigerating system
07/27/1999US5927101 Air conditioner having a low-resistance oil separation unit
07/27/1999US5927088 Boosted air source heat pump
07/21/1999EP0929780A1 Mass flow control of a working fluid
07/20/1999US5924847 Magnetic bearing centrifugal refrigeration compressor and refrigerant having minimum specific enthalpy rise
07/20/1999US5924485 Heat exchanger constructed by a plurality of tubes
07/14/1999CN1222665A Green frequency-variable air conditioner
07/14/1999CN1222650A Check valve apparatus for scroll compressor
07/14/1999CN1044154C Integral screw rod compression refrigerating ice-making machine set
07/08/1999WO1999034156A1 Refrigerating cycle
06/1999
06/30/1999EP0926455A2 Discharge presure control system for transport refrigeration unit using suction modulation
06/30/1999EP0926454A2 Refrigerating apparatus
06/30/1999EP0926342A2 Seal mechanism protector for compressors
06/22/1999CA2122830C Refrigeration working fluid compositions
06/17/1999DE19755484A1 Method for cold generation in temperature range 50.1- 63 K
06/16/1999EP0922860A1 Optimized location for scroll compressor economizer injection ports
06/16/1999EP0922077A1 Refrigerant compositions
06/16/1999EP0922076A1 Refrigerant compositions
06/16/1999EP0922075A1 Refrigerant compositions
06/16/1999CN1219648A Optimized location for scroll compressor economizer injection ports
06/15/1999US5911745 Method and apparatus for cooling air and water
06/15/1999US5911743 Expansion/separation compressor system
06/15/1999US5911289 Oil level control apparatus
06/10/1999WO1999028683A1 Air conditioner
06/10/1999WO1999009319A8 Two stage reciprocating compressors and associated hvac systems and methods
06/09/1999EP0921364A2 Pulsed flow for capacity control
06/08/1999US5910159 Refrigerating cycle apparatus
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
06/02/1999CN2322094Y Refrigerator- air conditioner two-function appliance
06/02/1999CN2322093Y Improved radiator for freezing type compressed air drying machine
06/02/1999CN1218551A Methods and apparatus for detecting surge in centrifugal compressors
06/01/1999US5907957 Discharge pressure control system for transport refrigeration unit using suction modulation
06/01/1999US5907953 Temperature controlling method and apparatus for refrigerator using velocity control of rotary blade
05/1999
05/27/1999WO1999026028A1 Refrigerating apparatus
05/26/1999CN1217462A Design method for refrigerating system
05/20/1999WO1999024767A1 Oil and refrigerant pump for centrifugal chiller
05/19/1999EP0916914A2 A refrigerating cycle
05/14/1999WO1999023423A1 Heating and cooling system
05/06/1999WO1999013299A3 Liquid level sensor
05/06/1999EP0912867A1 Refrigeration system
05/06/1999EP0912866A1 Improvements in the refrigerating circuits of household and similar vapour-compression refrigeration apparatuses
05/06/1999EP0697086B1 Refrigerant flow rate control based on evaporator dryness
05/06/1999DE19748083A1 Expansion device for working medium using vortex tube
05/05/1999CN1216098A 5 or 8 kw refrigerating system and centrifugal compressor assembly for said system
05/05/1999CN1216096A Multiple room type air conditioning apparatus
04/1999
04/29/1999WO1999020718A1 Lubricating oil for compression refrigerator and refrigerating/air conditioning apparatus using the same
04/29/1999WO1999009319A3 Two stage reciprocating compressors and associated hvac systems and methods
04/27/1999US5896753 Freezing cycle apparatus having quick freezing and thawing functions
04/22/1999DE19812171C1 Operation of a motor vehicle air conditioning system having a compressor with lubricant circulation
04/21/1999CN1214719A Method of charging mixed cooling medium
04/20/1999US5894739 Compound refrigeration system for water chilling and thermal storage
04/20/1999US5894736 Methods and apparatuses for detecting surge in centrifugal compressors
04/14/1999EP0908808A1 Method and device for controling at least two production devices
04/13/1999CA2150632C Noise damper for hermetic compressors
04/08/1999WO1999017066A1 An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
04/06/1999US5890370 Refrigerating system with pressure control valve
04/06/1999CA2249851A1 Process and apparatus for controlling at least two production devices
04/01/1999DE19842019A1 Carbon dioxide refrigerant cycle
03/1999
03/31/1999EP0795110B1 Vapour compression system and method of operating the same
03/31/1999CN1212354A Ammonia refrigeration system cyclically-utilizing lubricating oil
03/30/1999US5888055 Connection between a refrigerant pipe and a suction muffler of a hermetic reciprocating compressor
03/30/1999CA2158489C Air conditioner
03/25/1999WO1999014511A1 Sliding member and refrigerating compressor using the same
03/23/1999US5884498 Turborefrigerator
03/23/1999US5884497 Automotive air conditioner
03/23/1999US5884494 Oil flow protection scheme
03/23/1999US5884493 Method and device for obtaining reserve time for a cooling system
03/23/1999CA2156076C Cooling of compressor lubricant in a refrigeration system
03/19/1999CA2247660A1 Protection apparatus for compressor and controlling method of the same
03/18/1999WO1999013299A2 Liquid level sensor
03/18/1999WO1999013225A1 Oil flow protection scheme
03/17/1999CN1210961A Refrigerant compressor
03/17/1999CN1210957A Refractory irregular brick built smokeless coal-burning heatable bed and kitchen range
03/17/1999CN1210948A Refrigerant compressor and refrigerating apparatus
03/16/1999US5881564 Compressor for use in refrigerator
03/10/1999CN1210238A Full function air conditioning refrigerating and heating box
03/09/1999US5879581 Composition for use in refrigeration cycle and refrigerating apparatus
03/09/1999US5878810 Air-conditioning apparatus
03/09/1999US5878596 Power controllable type air conditioner
03/09/1999US5878589 Vehicular air conditioning system for electric vehicles
03/04/1999WO1999010686A1 Cooling cycle
03/03/1999EP0899520A2 Refrigerating cycle apparatus
03/03/1999CN1209534A Evaporation separating of refrigerant of variable displacement heat pump
03/02/1999US5877476 Apparatus and method for mass flow control of a working fluid
03/02/1999US5875702 Swash plate of swash plate compressor and combination of swash plate with shoes
03/02/1999US5875643 Refrigeration cycle capacity enhancement apparatus
03/02/1999US5875637 Method and apparatus for applying dual centrifugal compressors to a refrigeration chiller unit
02/1999
02/25/1999WO1999009319A2 Two stage reciprocating compressors and associated hvac systems and methods
02/24/1999EP0898133A2 Refrigerating and air-conditioning apparatus and method of determining refrigerant composition of refrigerating and air-conditioning apparatus
02/24/1999EP0898129A2 Vapor separation of variable capacity heat pump refrigerant
02/24/1999EP0898127A2 Refrigerating/air-conditioning apparatus
02/24/1999CN1208842A Refrigerating/air-conditioning apparatus
02/24/1999CN1208841A Refrigerating and air-conditioning apparatus and method of determining refrigerant composition of refrigerating and air-conditioning apparatus
02/23/1999US5873257 System and method of preventing a surge condition in a vane-type compressor
02/23/1999US5873255 Digital control valve for refrigeration system
02/23/1999CA2102753C Method and apparatus for driving motor
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