Patents by Inventor Philippe Lhermitte

Philippe Lhermitte 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).

  • Torsion damping device for a disc type friction clutch for an automobile vehicle
    Patent number: 4883156
    Abstract: The invention concerns a torsion damper, especially for a disc type friction clutch for an automotive vehicle. The damper comprises a lining support plate and a hub which are movable angularly with respect to each other. The support plate and the hub are coupled together by two torsion damping devices, one of which comprises guide rings and a damper plate mounted on the hub and centered with respect to the guide rings by means of a bush surrounding the hub and having a face plate with axially extending centering pins or the like, engaged in corresponding apertures in the damper plate or face plate. The invention is especially applicable to the automobile field.
    Type: Grant
    Filed: April 7, 1988
    Date of Patent: November 28, 1989
    Assignee: Valeo
    Inventors: Dieter Rohrle, Michel Graton, Philippe Lhermitte