Patents by Inventor Val O. Bertoia

Val O. Bertoia has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4316698
    Abstract: A wind-driven turbine with a self-regulating pitch control system is disclosed. The turbine includes a wheel having a plurality of wings or blades that rotate about a longitudinal pivot axis through a pitch range. The blades are in coned or parallel relation to the axis of rotation of the wheel. Biasing means are provided for biasing the wings toward a starting pitch position. The center of gravity of each wing is spaced from the axis of rotation of the wheel and from the pivot axis of the wing toward its trailing edge. Centrifugal force acting on the wings causes them to move from a starting pitch orientation to a power pitch orientation as the speed of the turbine increases. A system is provided for selectively controlling the pitch of the wings, preferably from a location remote from the turbine.
    Type: Grant
    Filed: August 23, 1979
    Date of Patent: February 23, 1982
    Inventor: Val O. Bertoia