Small watercraft and actuator for small watercraft

Details Small watercraft and actuator for small watercraft Small watercraft and actuator for small watercraft

2005-06-14

2005-06-14

Sotelo, Jesus D. (Department: 3617)

Marine propulsion

Jet drive

Direction control for fluid jet

C440S084000

Reexamination Certificate

active

06905381

ABSTRACT:
A jet-propulsion small watercraft, comprises a water jet pump that pressurizes and accelerates water taken in from outside and ejects the water to propel the watercraft, a steering system configured to steer the watercraft by changing an ejection direction of the water, a steering throttle arm configured to cause a throttle valve of an engine to open, thereby maintaining a steering capability, in response to a closing operation of a throttle lever, an actuator configured to cause the throttle valve in a closed position to open by steering throttle arm, and a spring configured to return the throttle valve to the closed position, wherein the actuator includes a motor configured to be energized at a predetermined motor power value by control of a control device, a reduction mechanism configured to reduce a speed of the motor, and an output shaft configured to be rotated by the reduction mechanism.

REFERENCES:
patent: 5507672 (1996-04-01), Imaeda
patent: 6350163 (2002-02-01), Fujimoto
patent: 2001-191992 (2001-07-01), None
patent: 2002-303170 (2002-10-01), None

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