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.:

US 9140198 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 22, 2015

Filed:

Dec. 20, 2012
Applicant:

Mazda Motor Corporation, Aki-gun, Hiroshima, JP;

Inventor:

Yoshito Wakabayashi, Higashihiroshima, JP;

Assignee:

Mazda Motor Corporation, Hiroshima, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 13/02 (2006.01); F01N 13/00 (2010.01);
U.S. Cl.
CPC ...
F02D 13/0261 (2013.01); Y02T 10/18 (2013.01);
Abstract

An intake and exhaust apparatus of a multi-cylinder engine is provided. The engine is provided with a plurality of cylinders having intake and exhaust valves for opening and closing intake and exhaust ports, respectively. The apparatus includes an intake system including intake ports of respective cylinders, independent intake passages connected with the respective intake ports, a surge tank connected with upstream ends of the independent intake passages, and an air cleaner connected with the surge tank. The apparatus also includes an exhaust system including independent exhaust passages connected with an exhaust port of one cylinder or exhaust ports of the plurality of cylinders that are not continuous in exhausting order, and a collecting pipe connected with downstream ends of the independent exhaust passages in a bundled manner, and for collecting exhaust gas ejected from the downstream ends of the independent exhaust passages.


Find Patent Forward Citations

Wakabayashi, Yoshito. (2015). Intake and exhaust apparatus of multi-cylinder engine (U.S. Patent No. 9140198). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9140198

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