Non jamming reversible jet nozzle

Details Non jamming reversible jet nozzle Non jamming reversible jet nozzle

1979-08-27

1982-02-16

Barefoot, Galen L.

Marine propulsion

Jet drive

Direction control for fluid jet

60221, 23926519, 440 41, 440 47, B63H 1100

Patent

active

043157491

ABSTRACT:
A reversible hydrojet boat drive for the substantially nonturbulent nozzling of water during the forward mode, and effective non jamming seal function during the reverse mode, and comprised of an exact nozzle continuation of the exit passage of the pump, particularly the top wall thereof, and the compatible eccentric relation of the surrounding seals of the reverse gate centered below the axis of gate rotation, thereby to avoid jamming and to eleviate strain on the control system therefor.

REFERENCES:
patent: 3185124 (1965-05-01), Spence
patent: 3347203 (1967-10-01), Starry
patent: 3465705 (1969-09-01), Castoldi
patent: 3906885 (1975-09-01), Woodfill
patent: 3982494 (1976-09-01), Posti
patent: 4030442 (1977-06-01), White

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