Heat exchange – Flow passages for two confined fluids – Interdigitated plural first and plural second fluid passages
Patent
1997-02-10
1998-07-28
Lazarus, Ira S.
Heat exchange
Flow passages for two confined fluids
Interdigitated plural first and plural second fluid passages
165165, 165DIG373, 165DIG382, F28F 300
Patent
active
057851174
ABSTRACT:
The present invention relates to a core assembly for use in an air-to-air heat exchanger. The core is comprised of a plurality of square plates. Each plate is comprised of a square planar central region; a first pair of opposed edge flanges bent in a first direction with respect to the central region to form approximately 90 degree angle with the central region; and a second pair of opposed edge flanges bent in a direction opposite the first direction with respect to the central region to form approximately 90 degree angle with the central region. The core is formed by the plurality of square plates that are positioned into a stack of parallel plates such that the opposed flanges of one of the plurality of plates is located in contact with and inside mating opposed flanges of a plate directly adjacent thereto, thereby forming a plurality of air passages between adjacent plates such that two perpendicular air pathways are formed in an interleaved orientation. A frame is provided in contact with a bottom plate in the stack and a top plate in the stack for holding the plurality of plates in position.
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Atkinson Christopher
Lazarus Ira S.
Nutech Energy Systems Inc.
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