Patents by Inventor Dirk Clausen

Dirk Clausen 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).

  • Process for controlling a continuously variable transmission system (CVT)
    Patent number: 6408239
    Abstract: The proposal is for a process for controlling a CVT of the bevel-pulley-belt type in which, on the occurrence of a wheel-locking drive situation, a converter bridging clutch is disengaged and at the same time a forward or reverse drive clutch is disengaged. The pressure level of the secondary pulley (3) is hereby raised and the transmission ratio of the CVT is changed in accordance with a predeterminable transmission ratio change and a predeterminable gradient.
    Type: Grant
    Filed: November 16, 1998
    Date of Patent: June 18, 2002
    Assignee: ZF Friedrichshafen AG
    Inventors: Holger Bacher, Dirk Clausen
  • PROCESS FOR CONTROLLING A CONTINOUSLY VARIABLE TRANSMISSION SYSTEM (CVT)
    Publication number: 20010002452
    Abstract: The proposal is for a process for controlling a CVT of the bevel-pulley-belt type in which, on the occurrence of a wheel-locking drive situation, a converter bridging clutch is disengaged and at the same time a forward or reverse drive clutch is disengaged. The pressure level of the secondary pulley (3) is hereby raised and the transmission ratio of the CVT is changed in accordance with a predeterminable transmission ratio change and a predeterminable gradient.
    Type: Application
    Filed: November 16, 1998
    Publication date: May 31, 2001
    Inventors: HOLGER BACHER, DIRK CLAUSEN