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:
Dec. 14, 2010
Filed:
May. 19, 2004
Masaaki Kawakubo, Obu, JP;
Etsuo Hasegawa, Nagoya, JP;
Yoshiki Katoh, Chita-gun, JP;
Ken Muto, Toyota, JP;
Masaaki Kawakubo, Obu, JP;
Etsuo Hasegawa, Nagoya, JP;
Yoshiki Katoh, Chita-gun, JP;
Ken Muto, Toyota, JP;
Denso Corporation, Kariya, JP;
Abstract
A heat exchange tube having a flat shape includes a plurality of fluid paths having a circular cross section and extending in a longitudinal direction of the tube. Each fluid path is parallel to each other fluid path. The tube is dimensioned such that a distance between two adjacent fluid paths is defined as Wt, and a circumferential thickness between a surface of the tube and an outermost fluid path is defined as Ht. The distance Wt and the circumferential thickness Ht have a relationship as 0.42≦Ht/Wt≦0.98.