Windmill

Details Windmill Windmill

1979-06-20

1982-03-16

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

With control means responsive to non-cyclic condition...

Responsive to relative working fluid velocity

416139, 416196A, F03D 704

Patent

active

043198651

ABSTRACT:
There is disclosed in the present application a wind wheel having a set of movable vanes whose orientation with respect to the plane of the wheel is changed automatically to limit the speed to a safe level in winds of high velocity. The wheel is constructed and shipped in segments and is especially adapted for ease of assembly and truing for minimal eccentricity and lateral run-out.

REFERENCES:
patent: 26345 (1859-12-01), Dickerson
patent: 282122 (1883-07-01), Schramm
patent: 650032 (1900-05-01), Benson
patent: 693481 (1902-02-01), Ziegler
patent: 779514 (1905-01-01), Ziegler
patent: 963335 (1910-07-01), Swanstrom
patent: 1033351 (1912-07-01), Romans
patent: 1038657 (1912-09-01), Richard
patent: 1329299 (1920-01-01), Foster
patent: 1334485 (1920-03-01), Clipfell et al.
patent: 1418194 (1922-05-01), Melnick
patent: 1713866 (1929-05-01), D'Asseler
patent: 2179885 (1939-11-01), Fumagalli
patent: 4110631 (1978-08-01), Salter
patent: 4111601 (1978-09-01), Richard
patent: 4213737 (1980-07-01), Gerhardt

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