Engine control system for watercraft

Details Engine control system for watercraft Engine control system for watercraft

2006-05-02

2006-05-02

Wright, Andrew D. (Department: 3617)

Marine propulsion

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

C440S087000

Reexamination Certificate

active

07037147

ABSTRACT:
A personal watercraft has a jet pump propulsion device. An engine powers the propulsion device and a control device controls engine speed. A steering mechanism steers a thrust direction of the propulsion device. An engine load sensor or an engine speed sensor senses an engine load or an engine speed, respectively. A steering position sensor senses an angular position of the steering mechanism. The control device decreases engine speed when the engine load or the engine speed is greater than a preset engine load or the engine speed, respectively, and the angular position of the steering mechanism is greater than a preset angular position.

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patent: 5203727 (1993-04-01), Fukui
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patent: 06-137248 (1994-05-01), None
Co-pending U.S. Appl. No. 10/080,371, filed Feb. 15, 2002, in the name of Tsuide Yanagihara, entitled “Engine Control for Watercraft”.
Co-pending U.S. Appl. No. 09/900,475, filed Jul. 6, 2001, in the name of Makoto Nagafusa, entitled “Engine Control Arrangement for Watercraft.”
Co-pending U.S. Appl. No. 10/331,452, filed Dec. 27, 2002, in the name of Suzuki et al., entitled “Engine Control Device for Water Vehicle.”

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