Patents by Inventor Dirk Knipschild

Dirk Knipschild 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: 9523410
    Abstract: A planetary gear mechanism, in particular for wind power plants, includes at least one planetary gear stage that has two power-split planetary stages connected in parallel. At least one of the two planetary stages includes a ring gear which is operatively connected to a housing. At least three planetary gear wheels are arranged on an inner circumferential face of the ring gear. The ring gear is flexible in the radial direction and is configured to be adjustable in order to compensate load between the at least three planetary gear wheels and the ring gear.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: December 20, 2016
    Assignee: ZF Friedrichshafen AG
    Inventors: Christian Lohmann, Dirk Strasser, Dirk Knipschild
  • Publication number: 20150176679
    Abstract: A planetary gear mechanism, in particular for wind power plants, includes at least one planetary gear stage that has two power-split planetary stages connected in parallel. At least one of the two planetary stages includes a ring gear which is operatively connected to a housing. At least three planetary gear wheels are arranged on an inner circumferential face of the ring gear. The ring gear is flexible in the radial direction and is configured to be adjustable in order to compensate load between the at least three planetary gear wheels and the ring gear.
    Type: Application
    Filed: December 18, 2014
    Publication date: June 25, 2015
    Inventors: Christian Lohmann, Dirk Strasser, Dirk Knipschild