Title: Wind turbine

Abstract: The following specification discloses an improvement in vertical axis wind machines having upstanding blades. The blades are attached to a rotatable ring which support the blades at an angle of forty five degrees to the horizontal plane of the ring. Associated with the wind machine is a wind velocity sensing device producing electrical signals responsive to the wind velocity. Means is provided the blades attached to the ring to adjust the angle of attack of the blades in response to the magnitude of the signals.

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Inventors: Palma, F. Neto (Toronto, CA, US)

Application Number: 855186
Filing Date: 1977-11-28
Publication_date: 1979-09-18
Assignee:
Primary Class(es): 290/44 290/55, 416/41, 416/111, 416/119, 416/DIG4, 416/DIG6
Other Classes:
US Patent Ref:

3902072

Aug, 1975

Quinn

416/111.

Other Refs: 944152

Mar, 1949	FR

Primary Examiner: Rubinson, Gene Z.
Assistant Examiner: Redman, John W.
Attorney: Hill; K. Maxwell