Patents by Inventor Patrik Achenbach

Patrik Achenbach 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).

  • Device for adjusting a rotor blade of a wind energy turbine
    Patent number: 7261517
    Abstract: The device for adjusting a rotor blade of a wind energy turbine is provided with a driving device (12) for driving an adjusting element (24) for selectably rotating the rotor blade (26) in both directions about its longitudinal axis (28), an energy storage unit (30) and a free-running means (32) adapted to be selectively activated, said free-running means (32), in its activated state, allowing rotation of the rotor blade (26) by means of energy stored in the energy storage unit (30) only in one of the two directions up to a desired rotational position.
    Type: Grant
    Filed: April 28, 2003
    Date of Patent: August 28, 2007
    Assignee: General Electric Company
    Inventors: Ulrich Uphues, Patrik Achenbach, Martin Von Mutius
  • Device for adjusting a rotor blade of a wind energy turbine
    Publication number: 20050175456
    Abstract: The device for adjusting a rotor blade of a wind energy turbine is provided with a driving device (12) for driving an adjusting e ement (24) for selectably rotating the rotor blade (26) in both directions about its longitudinal axis (28), an energy storage unit (30) and a free-running means (32) adapted to be selectively activated, said free-running means (32), in its activated state, allowing rotation of the rotor blade (26) by means of energy stored in the energy storage unit (30) only in one of the two directions up to a desired rotational position.
    Type: Application
    Filed: April 28, 2003
    Publication date: August 11, 2005
    Inventors: Ulrich Uphues, Patrik Achenbach, Martin Von Mutius