Compression tolerant louvered heat exchanger fin

Details Compression tolerant louvered heat exchanger fin Compression tolerant louvered heat exchanger fin

1997-08-22

1998-08-04

Flanigan, Allen J.

Heat exchange

Radiator core type

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

165DIG487, F28F 122

Patent

active

057879729

ABSTRACT:
A heat exchanger core (20) has tubes (22) which are stiffer and more resistant to core assembly compression at the elongated tube edges (24). Corrugated cooling fins (46) stacked between the tubes (22) have fin walls (48) that cross the stiffer tube edges (24) and a series of vane like louvers (54, 56) that are regularly spaced along the fin walls (48). The outboard louvers (56) on both sides of each fin wall (48) are strategically shortened, as compared to the longer inboard louvers (54) so that the fin walls (48) will be stiffened less, and less subject to buckling when the core (20) is stacked during assembly.

REFERENCES:
patent: 3003749 (1961-10-01), Morse
patent: 3250325 (1966-05-01), Rhodes et al.
patent: 3265127 (1966-08-01), Nickol et al.
patent: 4328861 (1982-05-01), Cheong et al.
patent: 4593756 (1986-06-01), Itoh et al.
patent: 4615384 (1986-10-01), Shimada et al.
patent: 5035052 (1991-07-01), Suzuki et al.
patent: 5176020 (1993-01-01), Maruo et al.
patent: 5289874 (1994-03-01), Kadle et al.
patent: 5361829 (1994-11-01), Kreutzer et al.
patent: 5390731 (1995-02-01), Selm et al.

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