Water injection propulsion device

Details Water injection propulsion device Water injection propulsion device

1993-09-27

1995-04-11

Avila, Stephen P.

Marine propulsion

Jet drive

440 75, B63H 1100

Patent

active

054052769

ABSTRACT:
Several embodiments of jet propulsion drive units for watercraft wherein the engine outer housing is provided with an integral step down transmission so that the engine can be a high speed, low displacement engine and still drive the jet propulsion unit without causing cavitation. In one embodiment, the transmission is constructed so as to permit the impeller shaft to be positioned in offset relationship to the engine output shaft and in the other embodiment, the shafts are in line with each other.

REFERENCES:
patent: 2769420 (1956-11-01), Horton et al.
patent: 5030149 (1991-07-01), Fujita

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