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:
Mar. 09, 2010

Filed:

Apr. 03, 2006
Applicant:

Masato Fukui, Tokyo, JP;

Inventor:

Masato Fukui, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A cylinder head of an engine body is provided with intake ports and exhaust ports, which are connected with and opened to a combustion chamber. The intake ports are disposed in one of right and left sides of the cylinder head with respect to a vehicle driving direction, and the exhaust ports are disposed in the other of the right and left sides of the cylinder head. An intake pipepasses around the cylinder headat a side of the engine body, therefore, a curved portionis formed in the intake pipe. A larger amount of fresh air enters the combustion chamber from one intake port than the other intake port, thus swirl occurs in the combustion chamber. An injector that injects fuel into the intake pipe is positioned at a side of the intake pipe.


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