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. 12, 2009
Filed:
Apr. 06, 2004
Nobuyoshi Yoshida, Wako, JP;
Satoshi Hanai, Haga-gun, JP;
Takeshi Yamagami, Wako, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
A heat exchanger includes: a casing; an external cylinder which is arranged inside the casing with a clearance formed between the external cylinder and an inner surface of the casing and is supported in a cantilevered manner, has a closed end portion, and forms a first fluid passage between the external cylinder and the casing; and an internal cylinder which is arranged inside the external cylinder with a clearance formed between the internal cylinder and an inner surface of the external cylinder and is supported in a cantilevered manner, is open at both ends, and forms a second fluid passage, which is turned around at the closed end portion of the external cylinder, between the internal cylinder and the external cylinder.