Screw propeller assemblies

Details Screw propeller assemblies Screw propeller assemblies

1974-07-09

1976-03-02

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Oscillatory reaction motion

Compound motion

416108, B63H 302

Patent

active

039415023

ABSTRACT:
A screw propeller assembly comprising a propeller shaft rotatable co-axially with a swash member, a propeller having a hub connected to the propeller shaft by way of a universal joint wherein the hub is mounted to the universal joint indirectly through jointing members, the jointing members and swash plate co-operating to cause the axis of rotation of the hub to move at an incline to the axis of rotation of the propeller shaft thereby providing a paddle action to the propeller in addition to the rotary motion thereof.

REFERENCES:
patent: 940753 (1909-11-01), Tower
patent: 2026917 (1936-01-01), Smith
patent: 2216164 (1940-10-01), Schairer
patent: 2256918 (1941-09-01), Young
patent: 3572616 (1971-03-01), Ulisnik

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