Heat exchange – Radiator core type – Deformed sheet forms passages between side-by-side tube means
Reexamination Certificate
2006-01-17
2008-05-06
Walberg, Teresa J. (Department: 3744)
Heat exchange
Radiator core type
Deformed sheet forms passages between side-by-side tube means
C165S175000
Reexamination Certificate
active
07367386
ABSTRACT:
An air cooled oil cooler has an upper plate, a lower plate and a plurality of tubes and outer fins disposed therebetween. Each tube contains an inner offset fin, and the outer fins formed in a corrugated shape and each having one return louver on an intermediate portion between a top portion and a bottom portion of the outer fin. The outer fins is disposed between the tubes so that the tubes and the outer fins are arranged alternatively and stacked in a pile between the upper and lower plates. The tubes are formed to be flat tubes having a height-width ratio of the tube to be 4.8-7.4%.
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Matsudaira Norimitsu
Ozawa Tatsuhiro
Sato Jun-ichi
Yamaguchi Takeshi
Calsonic Kansei Corporation
Foley & Lardner LLP
Walberg Teresa J.
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