Marine jet propulsion unit

Details Marine jet propulsion unit Marine jet propulsion unit

1985-01-18

1986-08-12

Basinger, Sherman D.

Marine propulsion

Jet drive

440 41, 440 42, 440 96, 60221, 60222, 415 5, 417320, B63H 1110

Patent

active

046053760

ABSTRACT:
The marine jet propulsion unit of this invention, in preferred form, has a pair of laterally adjacent blade carriers, each having a vertical outer surface movable in a horizontal orbit and to which blades are fixed that project edgewise outwardly. Each blade has a surface facing in the direction of its orbital movement that is concavely curved along its height. The two blade carriers, at opposite sides of a fore-and-aft extending vertical plane of symmetry, are driven in opposite orbital directions such that each has a driving portion remote from the plane of symmetry that moves rearward in an acceleration channel and has an opposite forwardly moving portion adjacent to the plane wherein its blades are interleaved with those of the other. Water entering a forward intake is guided in two streams, one to the front end of each acceleration channel, and the rear end of each acceleration channel is communicated with a discharging outlet nozzle.

REFERENCES:
patent: 696666 (1902-04-01), Berg
patent: 2404493 (1946-07-01), Hait et al.
patent: 2467641 (1949-04-01), West
patent: 3183878 (1965-05-01), Aschauer
patent: 3376843 (1968-04-01), Wilson
patent: 3782114 (1974-01-01), Broes
patent: 4493658 (1985-01-01), Hildebrand

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