Rotor blade structure and mounting for vertical axis wind machin

Details Rotor blade structure and mounting for vertical axis wind machin Rotor blade structure and mounting for vertical axis wind machin

1979-12-11

1981-02-03

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Articulated, resiliently mounted or self-shifting impeller...

Sectional, staged or nonrigid working member

416119, 416240, F03D 306

Patent

active

042485681

ABSTRACT:
A lightweight simplified economical and efficient sail or rotor blade for a vertical axis wind machine and simplified self-acting restraining means for the blade during rotor operation are disclosed. The rotor structure is characterized by ease of assembly and the absence of need for adjustment and frequent maintenance. Individual rotor blades are attached to vertical axis whips extending above and below horizontal rotor arms. The rotor is self-starting and turns in one direction only in response to wind coming from any direction on the compass.

REFERENCES:
patent: 509866 (1893-12-01), Bradford
patent: 556396 (1896-03-01), Auld
patent: 2015777 (1935-10-01), Belding
patent: 2319286 (1943-05-01), Andresen
patent: 3995170 (1976-11-01), Graybill

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