Compound coaxial windmill

Details Compound coaxial windmill Compound coaxial windmill

1980-11-03

1983-01-25

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Diverse impellers or working members

416171, 416170R, 415DIG1, F03D 102

Patent

active

043700950

ABSTRACT:
A horizontal axis windmill in which there is employed a conventional propeller mounted at one end of a fuselage housing a generator, and there is also located in the fuselage an induction fan. The fan functions to increase the volume of air moving through the propeller and in a direction coordinate with the direction of rotation of the propeller, thus to improve the efficiency of the windmill.

REFERENCES:
patent: 1312021 (1919-08-01), Dickinson et al.
patent: 1578923 (1926-03-01), Schlotter
patent: 1851513 (1932-03-01), Holmstrom
patent: 1857509 (1932-05-01), Holmstrom
patent: 2004853 (1935-06-01), Crary
patent: 2017961 (1935-10-01), Ferral
patent: 4047832 (1977-09-01), Sforza
patent: 4075500 (1978-02-01), Oman et al.
patent: 4087196 (1978-05-01), Kronmiller
patent: 4132499 (1979-01-01), Igra
patent: 4204799 (1980-05-01), de Geus

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