F - Mech Eng,Light,Heat,Weapons – 25 – B
Patent
F - Mech Eng,Light,Heat,Weapons
25
B
62/23
F25B 1/00 (2006.01) F25B 41/06 (2006.01) F25B 49/02 (2006.01)
Patent
CA 1235584
ENERGY EFFICIENT AIR CONDITIONING SYSTEM UTILIZING A VARIABLE SPEED COMPRESSOR AND INTEGRALLY- RELATED EXPANSION VALVES ABSTRACT OF THE DISCLOSURE Disclosed is an improved air conditioning system of the type having a refrigerant which sequentially flows through compressor means, condenser means in heat exchange relationship with outdoor air, relationship with outdoor air, expansion means, and evaporator means for the direct or indirect cooling of air in a confined space for maintaining the confined air space at a desired set point of temperature and/or humidity. The improvement for maintaining said set point of temperature and/or humidity of the confined space at variable heat loads therein and at variable outdoor air temperature comprises variable speed compressor means responsive to varying outdoor air temperature for attenuating refrigerant mass flow corresponding to lower outdoor air temperature; and expansion means responsible to attenuated refrigerant mass flow for maintaining adequate refrigerant mass flow to the evaporator means for maintaining constant the desired set point of temperature and/or humidity of the confined space at varying outdoor air temperature.
470879
Baer Daniel B.
Sillato Stephen C.
Gowling Lafleur Henderson Llp
Liebert Corporation
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