Patents by Inventor Jörg Willert

Jörg Willert 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 device for the actuation, in particular pneumatic actuation of a friction clutch
    Patent number: 6196369
    Abstract: An actuating device for a friction clutch arranged in the drive train of an automobile between an internal combustion engine and a gear in a casing bell. The actuating device includes a disengagement bearing arrangement and a positioning servo arrangement, having a pressure-medium power cylinder arrangement, for the disengagement bearing arrangement, the positioning servo arrangement having a control valve connected to a pressure-medium source. The control valve includes a valve arrangement which can be changed over between at least two control states as a function of an actual value representing the axial position of the disengagement bearing arrangement and of a command variable representing a desired position of the disengagement bearing arrangement.
    Type: Grant
    Filed: January 7, 1999
    Date of Patent: March 6, 2001
    Assignee: Mannesmann Sachs AG
    Inventors: Jörg Willert, Joachim Lindner