System for utilizing energy in a fluid current

Details System for utilizing energy in a fluid current System for utilizing energy in a fluid current

1974-05-24

1976-08-31

Schaefer, Robert K.

Prime-mover dynamo plants

Fluid-current motors

290 43, 416111, 416 87, F03B 13105

Patent

active

039783456

ABSTRACT:
Foil elements capable of generating lift forces and converting such forces into rotational movement of a body are suspended and submerged in a flowing stream or fluid current. Control means are provided to cyclically regulate the angles of attack of the foil elements in relation to the fluid current and to maintain substantially constant lift forces throughout a rotational cycle. Power take-off and/or generating means is included in the system.

REFERENCES:
patent: 365133 (1887-06-01), Kessler
patent: 407123 (1889-07-01), Santy
patent: 1321415 (1919-11-01), Brown
patent: 1355386 (1920-10-01), Christensen
patent: 1654165 (1927-12-01), Felt
patent: 3231220 (1966-01-01), Fischer
patent: 3407770 (1968-10-01), Baily
patent: 3877836 (1975-04-01), Tompkins

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