Heat exchange – Flow passages for two confined fluids – Interdigitated plural first and plural second fluid passages
Patent
1992-10-26
1994-01-18
Flanigan, Allen J.
Heat exchange
Flow passages for two confined fluids
Interdigitated plural first and plural second fluid passages
165164, 2989003, F28D 900, F28F 300
Patent
active
052793613
ABSTRACT:
A heat exchanger with enhanced spacing and sealing characteristics is formed by folding a continuous strip of material having a rectangular pattern stamped thereon. The pattern includes rectangles which constitute base walls and side walls with multiple tabs on the periphery of the strip which comprise wall tabs and bonding tabs respectively. The continuous strip when folded forms a series of alternatingly stacked air passageways, created by the union of each of the base walls, side walls and wall tabs on the periphery of the strip. The bonding tabs may form a seal with a base wall internally, or the bonding tabs may form a seal with another matching bonding tab externally of the created air passageways. The heat exchanger formed upon folding has a number of alternating air passageways which are of a sufficient width for effective transfer of thermal energy.
REFERENCES:
patent: 2953110 (1960-09-01), Etheridge
patent: 3311166 (1967-03-01), Southam
patent: 4848450 (1989-07-01), Lapkowsky
Flanigan Allen J.
Gas Research Institute
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