Thrust generating device

Details Thrust generating device Thrust generating device

1978-01-16

1980-09-30

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Rotary skin friction type

416108, 416111, F01D 136, F03B 500

Patent

active

042252865

ABSTRACT:
A device for generating a thrust in a liquid utilizing rotating cylinders. The cylinders are mounted on a rotatable hub and rotate about their own axes relative to the hub. The relative rotation follows, preferably, a sinusoidal path for producing the thrust, and in particular, each cylinder undergoes a reversal in its direction of rotation after each half rotation of the hub. A common control bar is included which is connected to each cylinder and eccentrically with respect to the axis of rotation of the hub so that the points of reversal and the direction of thrust can be adjusted.

REFERENCES:
patent: 1744924 (1930-01-01), Sargent
patent: 1923971 (1933-08-01), Evans
patent: 2250772 (1941-07-01), Mueller
patent: 2307418 (1943-01-01), McDonald
patent: 2753006 (1956-07-01), Franz
patent: 2950765 (1960-08-01), Magnuson
patent: 2971583 (1961-02-01), Hansen et al.
patent: 3241618 (1966-03-01), Baer
patent: 3326296 (1967-06-01), Hill et al.
patent: 3700349 (1972-10-01), Fork

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