Patents by Inventor Jan Driessan

Jan Driessan 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).

  • Load depending damping assembly
    Patent number: 5924528
    Abstract: A shock absorber having variable damping characteristics for damping the movement of the body of an automobile is disclosed. The shock absorber includes a variable flow control valve which modulates the rate of fluid flow between the upper portion of the shock absorber working chamber and the shock absorber reservoir. The valve is variably controlled in accordance with the vehicle load so that the shock absorber damping characteristic is stiffened during high vehicle load and softened during low vehicle load, thereby varying the damping characteristic to improve vehicle ride and handling.
    Type: Grant
    Filed: February 21, 1997
    Date of Patent: July 20, 1999
    Assignee: Tenneco Automotive Inc.
    Inventors: Koen Vermolen, Jan Carleer, Jan Driessan