Patents by Inventor Christopher FINGERHUT

Christopher FINGERHUT 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).

  • Actuating drive for adjusting the pitch angle of a rotor blade of a wind turbine, and wind turbine comprising such an actuating drive
    Patent number: 11473558
    Abstract: In general, the invention relates to wind turbines, the rotor blades of which can be adjusted in terms of their pitch angle. The invention relates in particular to an actuating drive for adjusting the pitch angle of a rotor blade of a wind turbine, comprising a large rolling bearing which comprises two bearing rings that can be rotated relative to each other, and an actuator for rotating the two bearing rings relative to each other. According to the invention, the actuating drive comprises a ring channel cylinder, which is formed in one of the bearing rings, and at least one piston, which is received in the ring channel cylinder in a movable manner and is drivingly connected to the other bearing ring of the two bearing rings.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: October 18, 2022
    Assignee: Liebherr-Components Biberach GmbH
    Inventors: Martin Dahl, Stephan Kreiner, Marcel Winkler, Markus Schuster, Christopher Fingerhut, Thomas Schulze
  • ACTUATING DRIVE FOR ADJUSTING THE PITCH ANGLE OF A ROTOR BLADE OF A WIND TURBINE, AND WIND TURBINE COMPRISING SUCH AN ACTUATING DRIVE
    Publication number: 20210033064
    Abstract: In general, the invention relates to wind turbines, the rotor blades of which can be adjusted in terms of their pitch angle. The invention relates in particular to an actuating drive for adjusting the pitch angle of a rotor blade of a wind turbine, comprising a large rolling bearing which comprises two bearing rings that can be rotated relative to each other, and an actuator for rotating the two bearing rings relative to each other. According to the invention, the actuating drive comprises a ring channel cylinder, which is formed in one of the bearing rings, and at least one piston, which is received in the ring channel cylinder in a movable manner and is drivingly connected to the other bearing ring of the two bearing rings.
    Type: Application
    Filed: September 25, 2020
    Publication date: February 4, 2021
    Inventors: Martin DAHL, Stephan KREINER, Marcel WINKLE, Markus SCHUSTER, Christopher FINGERHUT, Thomas SCHULZE