Horizontal-shaft wind turbine with few blades

Details Horizontal-shaft wind turbine with few blades Horizontal-shaft wind turbine with few blades

1983-01-21

1985-08-13

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Having positive means for impeller adjustment

Power or manual actuator on non-rotatable part

416 11, 416168A, F03D 702

Patent

active

045347050

ABSTRACT:
A horizontal shaft wind turbine with few blades, is provided with device for turning or twisting the blades about their longitudinal axes, comprising a power source situated outside the turbine shaft and adapted to impart axial motion to a first axially displaceable clutch mounted on the shaft, the clutch having two main parts in mutual coaction such that one part is rotationally stationary on the shaft, whereas the other part may rotate with the shaft, the part rotating with the shaft being coupled to the blades.

REFERENCES:
patent: 1990814 (1935-02-01), Castro
patent: 2655604 (1953-10-01), Hutter
patent: 2832895 (1958-04-01), Hutter
patent: 3056457 (1962-10-01), MacFarland
patent: 3869221 (1975-03-01), Wildner
patent: 3873236 (1975-03-01), Gall
patent: 4201514 (1980-05-01), Huetter
patent: 4329117 (1982-05-01), Doman
patent: 4352634 (1982-10-01), Andrews
patent: 4362467 (1982-12-01), Elliott

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