The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 06, 2008
Filed:
Jan. 17, 2006
Junichi Sato, Tokyo, JP;
Takeshi Yamaguchi, Tokyo, JP;
Tatsuhiro Ozawa, Tokyo, JP;
Norimitsu Matsudaira, Tokyo, JP;
Junichi Sato, Tokyo, JP;
Takeshi Yamaguchi, Tokyo, JP;
Tatsuhiro Ozawa, Tokyo, JP;
Norimitsu Matsudaira, Tokyo, JP;
Calsonic Kansei Corporation, Tokyo, JP;
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%.