Jet propulsion system

Details Jet propulsion system Jet propulsion system

1993-02-16

1994-07-19

Basinger, Sherman

Marine propulsion

Jet drive

Direction control for fluid jet

440 38, 440 88, B63H 1102

Patent

active

053303741

ABSTRACT:
A jet propulsion system for a small watercraft including an arrangement for isolating the sound of water flowing through the water inlet portion of the jet propulsion unit from the occupants of the watercraft. This silencing is provided by providing a double wall on at least the portion of the jet propulsion unit water inlet portion juxtaposed to the passenger compartment to provide an insulating jacket. Water may be filled in the insulating jacket and this water can be derived by filling it with the coolant which is circulated through the engine.

REFERENCES:
patent: 3240179 (1966-03-01), Van Ranst
patent: 3292373 (1966-12-01), Tado
patent: 3306046 (1967-02-01), Trapp
patent: 3478712 (1969-11-01), Fox
patent: 3785327 (1974-01-01), Smith
patent: 4813898 (1989-03-01), Nakase et al.
patent: 4984528 (1991-01-01), Kobayashi

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