Marine jet drive

Details Marine jet drive Marine jet drive

1998-02-24

2000-04-04

Swinehart, Ed

Marine propulsion

Jet drive

440 83, B63H 1100

Patent

active

060454180

ABSTRACT:
This invention relates to a marine jet drive having improved operation, especially in regard to having efficient adaptation to propulsion engine and hull design; having a drive shaft with flexible coupling at each end, internal to the jet drive; having through-the-nozzle engine exhaust; having simplified, combined means of steering and reversing; having controllable nozzle aperture and trim control; having combination reverse flow deflector and trim plane; having means to disengage the engine from the jet to obtain true neutral; having protection from and removal of debris in the water intake duct; generally having fewer overhauls, easier serviceability and lighter weight.

REFERENCES:
patent: 3249083 (1966-05-01), Irgens
patent: 4474561 (1984-10-01), Haglund
patent: 4756664 (1988-07-01), Cohen et al.
patent: 4925408 (1990-05-01), Webb et al.
patent: 5045002 (1991-09-01), Torneman et al.
patent: 5720635 (1998-02-01), Roos

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