F - Mech Eng,Light,Heat,Weapons – 25 – B
Patent
F - Mech Eng,Light,Heat,Weapons
25
B
45/5
F25B 29/00 (2006.01) F24F 3/00 (2006.01) F24F 12/00 (2006.01)
Patent
CA 1274391
ABSTRACT OF THE INVENTION A heat recirculating system, for heating and cooling having a first housing with a fan to cause flow of outside air, and a second housing with a fan to cause flow of inside air, a first heat exchanger in the first housing, a second heat exchanger in the second housing, conduits connecting the heat exchangers in series, via an expansion device, a compressor connected to drive a heat exchange medium to either heat exchanger selectively, the medium returning to the compressor via the other heat exchanger, and flow controls connected with the compressor, and the heat exchangers, operable to direct flow of the medium to one or other of the exchangers selectively. Also disclosed is a method of simultaneously regulating the temperature or interior air, and ventilating the interior air with air from outside by means of passing said interior air through an interior heat exchanger, simultaneously passing outside air through an outside heat exchanger, extracting a portion of the inside air, and directing it to the outside air for venting outside, simultaneously extracting a portion of the outside air and venting it to the inside air, continuously passing a heat exchange medium into one of the heat exchangers, and transferring the heat exchange medium from one heat exchanger to the other heat exchanger, via an expansion device to procure transfer of heat from one heat exchanger to the other, and passing the heat exchange medium through flow controls, responsive to temperature of the inside air, to selectively direct flow of medium either to one of the heat exchangers or to the other.
519116
Meyn Canada Poulty Inc.
Rolston George A.
Seguin Michael
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