Axial propeller with increased effective displacement of air who

Details Axial propeller with increased effective displacement of air who Axial propeller with increased effective displacement of air who

1983-10-06

1986-10-21

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Irregular, flanged or channel forming blade surface

416 23, 416 62, B64C 1118

Patent

active

046183132

ABSTRACT:
According to the invention an increase of the effective displacement of air in an axial propeller, whose blades are not twisted, is achieved by applications of tab, substantially rigid, at the trailing edge of the blade, the maximum width of the tab being at the blade internal end.

REFERENCES:
patent: 1990291 (1935-02-01), Larsen
patent: 2385070 (1945-09-01), Gant
patent: 2396811 (1946-03-01), Bathras
patent: 2450440 (1948-10-01), Mills
patent: 3215370 (1965-11-01), Strydom
patent: 3635590 (1972-01-01), Phillips
patent: 3697193 (1972-10-01), Phillips
patent: 3902821 (1975-09-01), Robinson
patent: 4146200 (1979-03-01), Borzachillo

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