Lanced sine-wave heat exchanger

Details Lanced sine-wave heat exchanger Lanced sine-wave heat exchanger

1987-12-02

1989-08-29

Garrett, Robert E.

Heat exchange

Radiator core type

Side-by-side tubes traversing fin means

165181, 165182, F28F 124, F28D 104

Patent

active

048608220

ABSTRACT:
A sine-wave like plate fin for a finned tube heat exchanger coil is provided having an improved enhanced heat transfer area between adjacent pairs of holes in the plate fin. The enhanced heat transfer area includes a plurality of raised lance elements disposed thereon generally at the peaks and troughs of the sine-wave wherein the raised elements at the peaks are concave and the raise elements at the troughs are convex.

REFERENCES:
patent: 3645330 (1972-02-01), Albright et al.
patent: 4300629 (1981-11-01), Hatada et al.
patent: 4365667 (1982-12-01), Hatada et al.
patent: 4434844 (1984-03-01), Sakitani et al.
patent: 4691768 (1987-09-01), Obosu
patent: 4723599 (1988-02-01), Hanson
patent: 4787442 (1988-11-01), Esformes

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