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:
Apr. 18, 2023

Filed:

Oct. 21, 2021
Applicant:

Yamaha Hatsudoki Kabushiki Kaisha, Iwata, JP;

Inventors:

Naoki Makita, Shizuoka, JP;

Hayatoshi Sato, Shizuoka, JP;

Masaki Torigoshi, Shizuoka, JP;

Makoto Kuroiwa, Shizuoka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62M 7/02 (2006.01); F02M 37/02 (2006.01); F01N 3/20 (2006.01); F02B 37/02 (2006.01);
U.S. Cl.
CPC ...
F02B 37/02 (2013.01); B62M 7/02 (2013.01); F01N 3/20 (2013.01); F01N 2590/04 (2013.01); F05B 2220/40 (2013.01);
Abstract

A straddled vehicle having an engine unit supported by a vehicle body frame. The engine unit includes an engine body, a turbocharger, and an exhaust device. The exhaust device includes an exhaust pipe and a muffler that are connected to each other to form a portion of an exhaust passage, to allow the exhaust gas passed through the turbocharger to pass therethrough, and a first catalyst and a second catalyst that are arranged in this order along a direction in which the exhaust gas flows through the exhaust pipe. The exhaust pipe has an upstream end thereof connected to the turbocharger, a downstream end thereof connected to the muffler, and a corner section that is bent in at least a part thereof between a downstream end of the first catalyst and an upstream end of the second catalyst, the catalysts not being arranged in the corner section.


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