Water jet propulsion

Details Water jet propulsion Water jet propulsion

1987-03-06

1989-03-21

Peters, Jr., Joseph F.

Marine propulsion

Inboard engine mount

440 38, 440112, 440 83, B63H 1102

Patent

active

048138983

ABSTRACT:
Two embodiments of improved jet drive units for watercraft wherein the jet drive impeller shaft is coupled to the engine drive shaft by a slip spline connection for facilitating removal of the jet drive unit for servicing without removal of the engine. In addition, an improved connection is provided between the impeller shaft and the impeller that dispenses for the need for splines and thus permits a smaller impeller hub and a greater efficiency jet drive unit.

REFERENCES:
patent: 3136281 (1964-06-01), Kiekhaefer et al.
patent: 3324822 (1967-06-01), Carter, III
patent: 3811397 (1974-05-01), Usborne
patent: 3839859 (1974-10-01), Woell, Jr.
patent: 4722707 (1988-02-01), Murase

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