Heat transfer fin with dammed segments

Details Heat transfer fin with dammed segments Heat transfer fin with dammed segments

1991-07-11

1992-09-29

Larson, Lowell A.

Metal deforming

By use of 'flying tool' engaging moving work

With cutting

723796, B21D 1304

Patent

active

051505967

ABSTRACT:
A flat tube and fin heat exchanger comprises a plurality of tubes arranged in spaced parallelism and a plurality of louvered fins are located between each of the tubes in heat exchange relationship with the tubes. The fins are formed as a series of sinusoidal corrugations defining axial air flow passages in a direction generally transverse to the longitudinal axes of the tubes. A predetermined series of fin panels have louvers formed therein to create turbulence in the axial air flow through the fins. A second series of fin panels are dammed to channel air flow through the tubes so as to maximize heat transfer characteristics of the heat exchanger.

REFERENCES:
patent: 3250325 (1963-02-01), Rhodes et al.
patent: 3265127 (1963-10-01), Nickol et al.
patent: 3724538 (1973-04-01), Yamaguchi et al.
patent: 3993125 (1976-11-01), Rhodes
patent: 4469168 (1984-09-01), Itoh et al.
patent: 4535839 (1985-08-01), Sacca
patent: 4693307 (1987-09-01), Scarselletta
patent: 4945981 (1990-08-01), Joshi

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