Patents by Inventor Tobias Karstens

Tobias Karstens 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).

  • Device for driving an oil pump in a transmission
    Patent number: 7837453
    Abstract: A device (1) for driving an oil pump (2) for a transmission of a motor vehicle, having a pump housing (4), a transmission housing (3), a pump shaft (8), and a gear shaft (13), which is in rotationally fixed connection with the pump shaft (8). The gear shaft has a gear wheel (14) and is mounted in the transmission housing as part of a gear stage. It is proposed that the gear shaft (13) is bearing-mounted on both sides of the gear wheel.
    Type: Grant
    Filed: May 15, 2007
    Date of Patent: November 23, 2010
    Assignee: ZF Friedrichshafen AG
    Inventors: Lothar Barthel, Tobias Karstens
  • Device for driving a oil pump
    Publication number: 20070286757
    Abstract: A device (1) for driving an oil pump (2) for a transmission of a motor vehicle, having a pump housing (4), a transmission housing (3), a pump shaft (8), and a gear shaft (13), which is in rotationally fixed connection with the pump shaft (8). The gear shaft has a gearwheel (14) and is mounted in the transmission housing as part of a gear stage. It is proposed that the gear shaft (13) is bearing-mounted on both sides of the gear wheel.
    Type: Application
    Filed: May 15, 2007
    Publication date: December 13, 2007
    Applicant: ZF Friedrichshafen AG
    Inventors: Lothar Barthel, Tobias Karstens