Heat exchanger having a corrugated sheet with staggered transiti

Details Heat exchanger having a corrugated sheet with staggered transiti Heat exchanger having a corrugated sheet with staggered transiti

1980-09-02

1982-10-05

Davis, Jr., Albert W.

Heat exchange

Flow passages for two confined fluids

Interdigitated plural first and plural second fluid passages

291573D, 291573R, F28C 100

Patent

active

043523935

ABSTRACT:
A heat exchanger (24) includes a plurality of heat exchanging sheets (1) arranged in a stack (12), with each sheet having a central corrugated portion (14), flattened edge portions (16,18), and a transition zone (28) intermediate the corrugated portion and the edge portions of each of the plurality of the generally longitudinally extending convolutions (26) in the corrugated portions. Advantageously, the transition zones (28) are located at different longitudinal positions transversely across the individual sheets in order to stagger certain bulges (30) thereat, which bulges are formed during crushing of the edge portions and which would otherwise cause fluid flow blockage of the cross sectional passage regions between the sheets.

REFERENCES:
patent: 2596642 (1952-05-01), Boesad
patent: 3759323 (1973-09-01), Dawson et al.
patent: 3887664 (1975-06-01), Regehr
patent: 4180129 (1979-12-01), Sumitomo
patent: 4241599 (1980-12-01), Kaupert
patent: 4314605 (1982-02-01), Sumitomo et al.

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