Plate and fin oil cooler with improved efficiency

Details Plate and fin oil cooler with improved efficiency Plate and fin oil cooler with improved efficiency

1996-08-16

1997-06-10

Leo, Leonard R.

Heat exchange

With agitating or stirring structure

165166, 165183, 165916, F28F 1312

Patent

active

056366850

ABSTRACT:
A plate type oil cooler has a louvered cooling fin with corrugations running transverse to the axis of the plates. The plates have central flat areas spaced from each other by a constant thickness, each of which transitions into a marginal edge across a semi-cylindrical area of progressively decreasing thickness. The cooling fin has its height tapered and reduced at the side edges in such a way as to fit between the semi-cylindrical areas of the opposed plates without binding. This is achieved by stamping the side edges of the fin walls with localized indentations which pull the fin height in enough to match the reduced thickness areas of the plates. Therefore, the bypass oil flow areas that would otherwise exist are at least partially blocked, improving thermal efficiency.

REFERENCES:
patent: 2329789 (1943-09-01), Schank et al.
patent: 4945981 (1990-08-01), Joshi
patent: 5029636 (1991-07-01), Kadle
patent: 5184672 (1993-02-01), Aoki
patent: 5538077 (1996-07-01), So et al.

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