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:
Aug. 19, 2008
Filed:
Dec. 14, 2006
Toshihide Ninagawa, Yatomi, JP;
Yuuji Sako, Hazu-gun, JP;
Yoshihiko Sonoda, Tokoname, JP;
Denso Corporation, Kariya, JP;
Abstract
In a corrugated fin which is formed and bent into a wave-form, a plurality of both-side-cut-louvers, which are laminated on each other and formed into a group, and one-side-cut-louvers, which are arranged at end portions of the group of both-side-cut-louvers, are formed being raised, and a cross-section in the louver laminating direction of at least one of the one-side-cut-louversis formed into a substantial V-shape. An inclined faceof the one-side-cut-louveradjoining the both-side-cut-louveris made to cross a centerline in the fin thickness direction and a length of the inclined faceis made to be the same as that of the inclined face of the adjoining both-side-cut-louver