Water-jet drive mechanism for driving and controlling of particu

Details Water-jet drive mechanism for driving and controlling of particu Water-jet drive mechanism for driving and controlling of particu

1981-06-09

1983-12-06

Barefoot, Galen L.

Marine propulsion

Jet drive

Direction control for fluid jet

114151, 440 47, 60221, B63H 1102

Patent

active

044190824

ABSTRACT:
A water-jet drive mechanism for driving and controlling a watercraft includes a substantially cylindrical support housing which is supported for rotational movement about a substantially vertical pivot axis in a cylindrical recess in the undersurface of the watercraft, with its undersurface flush with that of the watercraft. A centrifugal water pump is encased in the support housing so that its inlet and its discharge nozzle open through the undersurface of the support housing. The pump drive shaft is inclined and lies in a vertical plane arranged at an angle to the direction of water discharge from the nozzle. A normally open ventilating valve provided in a wall of the pump is closed by the flow of water through the pump.

REFERENCES:
patent: 3882674 (1975-05-01), Taggart
patent: 4278431 (1981-07-01), Krautkremer et al.

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