High efficiency folded plate heat exchanger

Details High efficiency folded plate heat exchanger High efficiency folded plate heat exchanger

1989-12-14

1991-07-09

Flanigan, Allen J.

Heat exchange

Flow passages for two confined fluids

Interdigitated plural first and plural second fluid passages

165165, 165176, F28D 900

Patent

active

050296396

ABSTRACT:
A package gas to gas heat exchanger is constructed by joining together a plurality of individual folded plate heat exchanger modules (16) in side by side and optionally end to end relation, without the need for an external housing surrounding the modules. A plurality of baffle plates (38), are prefabricated as part of each module, and joined to each other as the modules are joined, thereby defining a plurality of alternating chambers (46) for the entry or exit of different gases on either side of each folded plate (18). A closure arrangement and method for the longitudinal ends of the folded plates includes closure bars (94, 96) in interference engagement with the folds of the plate (18), and a separator plate (50) which holds the closure bars together and maintains the sealing relationship with the folded plate (18).

REFERENCES:
patent: 4116271 (1978-09-01), de Lepeliere

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