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:
Nov. 12, 2002

Filed:

Oct. 02, 2000
Applicant:
Inventor:

Tetsuya Mashiko, Shizuoka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 3/510 ;
U.S. Cl.
CPC ...
F02M 3/510 ;
Abstract

An engine for a watercraft includes an improved air induction system that can have a large plenum chamber notwithstanding being placed in a narrow engine compartment. The air induction system includes a plenum chamber member defining the plenum chamber. The plenum chamber member has an air inlet port for the plenum chamber. The air induction system also includes one or more throttle bodies. The throttle bodies have throttle valves admitting air to one or more combustion chambers from the plenum chamber. The throttle bodies are disposed within the plenum chamber. The construction of the air induction system not only provide a large capacity plenum chamber, but also protects the throttle bodies from water.


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