Jet boat reversing unit

Details Jet boat reversing unit Jet boat reversing unit

1978-09-07

1980-09-23

Blix, Trygve M.

Marine propulsion

Jet drive

Direction control for fluid jet

60222, 114151, 440 42, B63H 1100

Patent

active

042236304

ABSTRACT:
The invention pertains to reversing apparatus for hydraulic jet marine drives utilizing a pivoted steering nozzle and a reversing gate adapted to divert a jet of water into a reversing nozzle. The reversing nozzle is rotatably mounted upon the steering nozzle and utilizes orientation apparatus fixed with respect to the axis of the steering nozzle such that rotation of the steering nozzle in one direction produces rotation of the reversing nozzle about its axis in the opposite direction. The relative movements of the steering and reversing nozzles produces force vectors in the nozzles in a common lateral direction with respect to boat movement wherein a high degree of boat control while being reversed is achieved at low pumping capacity.

REFERENCES:
patent: 3146586 (1964-09-01), Newby
patent: 3185124 (1965-05-01), Spence
patent: 3610556 (1971-10-01), Charlton
patent: 3776173 (1973-12-01), Horowitz
patent: 3842787 (1974-10-01), Giacosa
patent: 3854437 (1974-12-01), Stansbury
patent: 4047494 (1977-09-01), Scott

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