Heat exchange – Flow passages for two confined fluids – Interdigitated plural first and plural second fluid passages
Patent
1992-07-31
1993-07-20
Flanigan, Allen J.
Heat exchange
Flow passages for two confined fluids
Interdigitated plural first and plural second fluid passages
165 76, 165178, F28D 900, F28D 902
Patent
active
052285154
ABSTRACT:
A compact, modular heat exchanger is field assembled and supported solely on its associated piping system. Internally, it has stacked clamshell cells. The cells are enclosed to form an essentially cubic configuration by two inlet headers, two outlet headers, a top plate, and a bottom plate. A first fluid flows in the interior of all cells, from header to header, and a second fluid flows around, but not in, the cells, from and to its respective headers. Conical and tetrahedral embossments extend inwardly and outwardly from each clamshell section to provide standoffs preventing collapse of the cell and to space adjacent cells apart. Knockouts located within the headers facilitate pipe connections. An alternative embodiment include internal baffling to establish a counterflow pattern. Another alternative embodiment provides fluting of heat exchange surfaces instead of embossments.
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Flanigan Allen J.
Litman Richard C.
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