Patents by Inventor Ulf EDELMANN

Ulf EDELMANN 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).

  • Turn drive for a wind turbine, and method for rotating the rotor shaft of a wind turbine
    Patent number: 10197075
    Abstract: The invention relates to a turn drive for a wind turbine. The turn drive comprises a shaft, a hydraulic motor for driving the shaft, and a drive line for supplying a pressurized hydraulic fluid to the hydraulic motor. According to the invention, the drive line is provided with a settable pressure-limiting valve. The invention additionally relates to an associated method for rotating the rotor shaft of the wind turbine. By means of the method according to the invention and the turn drive, the rotor blades can be mounted individually on the hub of the rotor, without the gearbox of the wind turbine becoming overloaded.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: February 5, 2019
    Assignee: Senvion SE
    Inventors: Michael Brokes, Ulf Edelmann, Carsten Eusterbarkey, Sven Lehmann
  • Turn Drive for a Wind Turbine, and Method for Rotating the Rotor Shaft of a Wind Turbine
    Publication number: 20150308467
    Abstract: The invention relates to a turn drive for a wind turbine. The turn drive comprises a shaft, a hydraulic motor for driving the shaft, and a drive line for supplying a pressurized hydraulic fluid to the hydraulic motor. According to the invention, the drive line is provided with a settable pressure-limiting valve. The invention additionally relates to an associated method for rotating the rotor shaft of the wind turbine. By means of the method according to the invention and the turn drive, the rotor blades can be mounted individually on the hub of the rotor, without the gearbox of the wind turbine becoming overloaded.
    Type: Application
    Filed: December 5, 2013
    Publication date: October 29, 2015
    Inventors: Michael BROKES, Ulf EDELMANN, Carsten EUSTERBARKEY, Sven LEHMANN