Off-set louvered heat exchanger fin and method for making same

Details Off-set louvered heat exchanger fin and method for making same Off-set louvered heat exchanger fin and method for making same

1994-03-15

1996-04-30

Chambers, A. Michael

Heat exchange

Radiator core type

Deformed sheet forms passages between side-by-side tube means

165152, F28D 102

Patent

active

055116108

ABSTRACT:
A heat exchanger assembly (10) includes a pair of tanks (16, 18) with a plurality of flat-sided fluid tubes (20) extending between the tanks (16, 18). Fins (22) may be located externally between adjacent fluid tubes (20), and may be located internally within each fluid tube (20) for increasing heat exchange. The fins (22) are formed by a plurality of undulations (32) establishing lengths of walls (34) between peaks (36) of the undulations (32). The walls (34) include a plurality of slits (44) therein forming panels (42) between adjacent slits (44). The panels (42) are "randomly" deformed of various contours to extend at various distances from the walls (34) to increase heat exchange.

REFERENCES:
patent: 2594008 (1952-04-01), Getz
patent: 2652233 (1953-09-01), Przyborowski
patent: 3250325 (1966-05-01), Rhodes et al.
patent: 3810509 (1974-05-01), Kun
patent: 4815532 (1989-03-01), Sasaki et al.
patent: 4821795 (1989-04-01), Lu

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