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:
Sep. 09, 2008

Filed:

Sep. 30, 2005
Applicants:

Yoshihiro Mizushima, Shizuoka, JP;

Shu Akuzawa, Shizuoka, JP;

Inventors:

Yoshihiro Mizushima, Shizuoka, JP;

Shu Akuzawa, Shizuoka, JP;

Assignee:

Yamaha Marine Kabushiki Kaisha, Shizuoka-ken, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B63H 21/21 (2006.01); B63B 35/73 (2006.01); F02D 9/08 (2006.01); F02D 11/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

A throttle valve opening control device for a watercraft engine includes a control section for controlling a valve drive section that drives the throttle valve based upon a signal from a remote controller operating position detecting means. The control section determines whether the operating position is in a trolling range or in a propelling range by the signal from the remote controller operating position detecting means. When the control section determines that the operating position is in the trolling range, the control section adjusts the throttle valve opening by an amount, relative to an operational amount of the remote controller, smaller than when the operating position is in the propelling range.


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