Patents by Inventor Jochen Witzig

Jochen Witzig 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).

  • Patent number: 9657721
    Abstract: A transmission unit (1), particularly for a wind power plant, which has a first planetary stage (2), on the drive input side, a second planetary stage (3) and a third planetary stage (4), on the drive output side, which are coupled with one another in such a manner that a torque from the drive input side can be divided between the first and the second planetary stages (2; 3) and recombined in the third planetary stage (4). The first, the second and the third planetary stages (2; 3; 4) have a common gearwheel carrier (20) which is mounted for rotation about a rotational axis of the transmission unit (1).
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: May 23, 2017
    Assignee: ZF Friedrichshafen AG
    Inventors: Jochen Witzig, Alfred Kienzle
  • Publication number: 20150240790
    Abstract: A transmission unit (1), particularly for a wind power plant, which has a first planetary stage (2), on the drive input side, a second planetary stage (3) and a third planetary stage (4), on the drive output side, which are coupled with one another in such a manner that a torque from the drive input side can be divided between the first and the second planetary stages (2; 3) and recombined in the third planetary stage (4). The first, the second and the third planetary stages (2; 3; 4) have a common gearwheel carrier (20) which is mounted for rotation about a rotational axis of the transmission unit (1).
    Type: Application
    Filed: August 5, 2013
    Publication date: August 27, 2015
    Applicant: ZF FRIEDRICHSHAFEN AG
    Inventors: Jochen Witzig, Alfred Kienzle