Vertical axis wind turbine

Details Vertical axis wind turbine Vertical axis wind turbine

1981-11-23

1984-02-07

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Sustained ancillary movement of rotary working member

Responsive to gravity or working fluid force

416132B, 416139, F03D 706

Patent

active

044300441

ABSTRACT:
A wind turbine is disclosed comprising blade forms mounted for limited pivotal movement as they proceed around an orbital path. A torque sensitive control means is provided to progressively limit the pivotal movement of the blade forms in response to changes in the rotational speed of the turbine so that high torque and efficiency is obtained throughout the operational range of the turbine.

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patent: 4334823 (1982-06-01), Sharp
patent: 4368392 (1983-01-01), Drees
WINDPOWER, A Handbook On Wind Energy Conversion Systems, by V. Daniel Hunt, Dir., The Energy Institute, pp. 553, 104, 123-126, 186-187, 246, 241, 192, 194-195.

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