F - Mech Eng,Light,Heat,Weapons – 28 – F
Patent
F - Mech Eng,Light,Heat,Weapons
28
F
257/14, 98/28
F28F 13/12 (2006.01) A01K 1/00 (2006.01) F24F 12/00 (2006.01)
Patent
CA 1162914
-16- "HEAT EXCHANGER" ABSTRACT OF THE DISCLOSURE Heat exchangers which are used in a very moist environment with a relatively low outside ambient tempera- ture, often suffer from severe frosting and consequent in- efficiency and sometimes are completely inoperable leading to inefficient control of the environment. The present de- vice includes a core in a casing which draws air from the inside and exhausts it exteriorly of the building. At the same time ambient outside air is drawn through the core at right angles to the exhausting air and picks up heat there- from prior to being discharged into the building. Control doors are provided firstly to draw warm air from the build- ing and pass it through the core with or without outside ambient air in order to control the temperature of the in- coming air and, if necessary, to defrost the core. Second- ly to control the temperature of the air discharged into the building if it is too cold and to prevent positive pres- sure from developing inside the building if the outgoing flow is partially restricted by blockage of the portion of the core through which this air is passing prior to dis- charge.
409904
Ade & Company
Baker Colony Farms Ltd.
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