F - Mech Eng,Light,Heat,Weapons – 28 – F
Patent
F - Mech Eng,Light,Heat,Weapons
28
F
257/14
F28F 13/12 (2006.01) F24F 13/30 (2006.01) F28D 9/00 (2006.01) F28F 21/06 (2006.01)
Patent
CA 1179323
"HEAT EXCHANGE APPARATUS" ABSTRACT OF THE DISCLOSURE A heat exchange apparatus comprises a plastics outer casing for mounting in the exterior wall of a build- ing such that it extends outwardly of the building wall to define an inlet and an outlet space from the wall. A heat exchange block is mounted within the outer casing and defines two paths of air therethrough mutually at right angles and both inclined to the horizontal. The block is formed of a plurality of polypropylene extruded sheets (preferably Coroplast (trade mark)) which comprises two thin sheets supported by a plurality of cells passing along the sheets. The Coroplast sheets are separated by spaces to form elongate air channels. The block is sup- ported within the outer casing on resilient mountings and is arranged such that the air exhausted from the building passes through the elongate channels. A fan drawing air into the building from the exterior through the heat ex- change block includes a nozzle for directing the air into the building away from the outlet. The fan can be revers- ed periodically so that both fans act to draw warm air out from the building through the block to melt any frost forming within the block.
452361
Benning Larry
Van Ee Dirk
Ade & Company
Benning Larry
Van Ee Dirk
LandOfFree
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