Water injection propulsion device

Details Water injection propulsion device Water injection propulsion device

1993-09-20

1997-01-14

Swinehart, Edwin L.

Marine propulsion

Jet drive

Direction control for fluid jet

114270, B63H 11113

Patent

active

055933297

ABSTRACT:
Two embodiments of jet propelled watercraft having improved electrically powered trim adjustments. In one embodiment, the trim adjustment effects pivotal movement of the discharge nozzle of the jet propulsion unit and in the other embodiment the electric power operates a trim plate of the hull that extends beneath the jet propulsion unit.

REFERENCES:
patent: 3371642 (1968-03-01), Joy
patent: 3756185 (1973-09-01), Breslin
patent: 4051801 (1977-10-01), Woodfill et al.
patent: 4232626 (1980-11-01), Kern
patent: 4964821 (1990-10-01), Tafoya
patent: 5045003 (1991-09-01), Ikeda

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