Patents by Inventor Orla W. Larsen

Orla W. Larsen 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).

  • In situ balancing of wind turbines
    Patent number: 5140856
    Abstract: A slowly turning rotating mass, such as a wind turbine rotor, is balanced in situ by measuring the magnitude of a phenomenon, such as acceleration, created by rotor unbalance at a location on a mass support shaft which is close to the mass. The measurement of the phenomenon is made along a line selected to be insensitive to the bias of gravity on the mass. The measurement is made while the mass turns at its usual operating rate. The structure which supports the shaft is fixed as rigidly as possible in space while measurements of the phenomenon are made.
    Type: Grant
    Filed: December 3, 1990
    Date of Patent: August 25, 1992
    Assignee: Dynamic Rotor Balancing, Inc.
    Inventor: Orla W. Larsen