Driving power output control for personal watercraft

Details Driving power output control for personal watercraft Driving power output control for personal watercraft

2011-07-19

2011-07-19

Swinehart, Edwin (Department: 3617)

Marine propulsion

Means to control the supply of energy responsive to a sensed...

Reexamination Certificate

active

07980904

ABSTRACT:
A jet-propulsion personal watercraft comprises a body including a hull and a deck, an engine mounted in the body, a driving power output changing system configured to be able to change a driving power output of the engine, a controller configured to control an operation of the driving power output changing system, and a pressure sensor configured to be able to detect a pressure which is applied to the body from the water on which the body is floating, the pressure having a component in a lateral direction of the body, wherein the controller includes a turning determiner configured to determine whether or not the body is turning, based on a signal received from the pressure sensor; and a driving power output control unit configured to control the driving power output changing system based on information received from the turning determiner.

REFERENCES:
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patent: 7018254 (2006-03-01), Kanno et al.
patent: 7438013 (2008-10-01), Mizutani
patent: 03-031096 (1991-02-01), None
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patent: 2002-115638 (2002-04-01), None
patent: 2004-100689 (2004-04-01), None
patent: 2006-246657 (2006-09-01), None

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