Patents by Inventor Gerriet Thomas JANßEN

Gerriet Thomas JANßEN 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).

  • WIND TURBINE AND METHOD OF OPERATING A WIND TURBINE
    Publication number: 20160131106
    Abstract: Wind turbine comprising a nacelle with a generator and wind turbine blades for driving the generator, a tower supporting the nacelle wherein the nacelle is rotatable about a vertical axis an azimuth drive for rotating the nacelle around the axis, said azimuth drive comprising a plurality of asynchronous yaw motors and an azimuth controller with a frequency unit for controlling the plurality of asynchronous yaw motors, wherein the azimuth controller is arranged to connect all of the plurality of asynchronous yaw motors to the one frequency unit in a rotating mode and to connect only a subset of the plurality of asynchronous yaw motors from the one frequency unit in a locking mode.
    Type: Application
    Filed: November 9, 2015
    Publication date: May 12, 2016
    Applicant: LELY PATENT N.V.
    Inventors: Gerriet Thomas JANßEN, Andre Uwe SCHLINK