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.

Date of Patent:
Dec. 05, 2017

Filed:

Jun. 08, 2015
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;

Inventor:

Shinichi Kobayashi, Okazaki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28F 7/02 (2006.01); F02M 35/10 (2006.01); F02B 29/04 (2006.01); F28F 1/40 (2006.01); B22C 7/06 (2006.01); F28D 21/00 (2006.01); F02M 26/29 (2016.01); F02M 26/41 (2016.01); F02M 26/01 (2016.01); F02F 1/24 (2006.01);
U.S. Cl.
CPC ...
F28F 7/02 (2013.01); B22C 7/06 (2013.01); F02B 29/045 (2013.01); F02M 26/01 (2016.02); F02M 26/29 (2016.02); F02M 26/41 (2016.02); F02M 35/10222 (2013.01); F28D 21/0003 (2013.01); F28F 1/40 (2013.01); F02F 1/24 (2013.01); Y02T 10/146 (2013.01);
Abstract

A plurality of upper fins and a plurality of lower fins are each provided in an EGR passage so as to be adjacent to each other across a predetermined space in a direction perpendicular to an exhaust-gas flow direction. The upper fins and the lower fins are gradually narrowed in width toward their respective projection directions, so that both sides thereof in their width direction have inclined surfaces. A tilt angle of the inclined surfaces of the lower fins is made larger than a tilt angle of the inclined surfaces of the upper fins.


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Kobayashi, Shinichi. (2017). Gas pipe for exhaust gas recirculation (U.S. Patent No. 9835389). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9835389

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