Patents by Inventor Martin Grillenberger

Martin Grillenberger 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).

  • Automated change-speed gearbox and methods for changing gear in such a gearbox
    Patent number: 6835161
    Abstract: A method for changing gear in an automated change-speed gearbox of a motor vehicle with an automated clutch arranged between an engine and the change-speed gearbox includes engaging the clutch up to a slip limit during a downshift from an original gear to a target gear to increase the rotational speed of an input shaft of the change-speed gearbox.
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: December 28, 2004
    Assignee: DaimlerChrysler AG
    Inventors: Martin Grillenberger, Markus Heinzel, Michael Salecker, Friedo Tinschert, Dittmar Wieland
  • Automated non-synchronized gear-change transmission and method for gear change in such a transmission
    Publication number: 20030037994
    Abstract: An automated non-synchronised gear-change transmission for a motor vehicle includes a transmission input shaft and a pressure-oil lubrication device. The pressure-oil lubrication device includes a pump driven at least indirectly by the transmission input shaft, and a cross-section modification device disposed on a downstream side of the pump. The cross-section modification device is configured to modify a flow cross section on the downstream side of the pump.
    Type: Application
    Filed: August 2, 2002
    Publication date: February 27, 2003
    Applicant: DaimlerChrysler AG
    Inventors: Martin Grillenberger, Markus Heinzel, Andreas Kolb, Juergen Lang
  • Automated change-speed gearbox and methods for changing gear in such a gearbox
    Publication number: 20030027683
    Abstract: A method for changing gear in an automated change-speed gearbox of a motor vehicle with an automated clutch arranged between an engine and the change-speed gearbox includes engaging the clutch up to a slip limit during a downshift from an original gear to a target gear to increase the rotational speed of an input shaft of the change-speed gearbox.
    Type: Application
    Filed: July 18, 2002
    Publication date: February 6, 2003
    Applicant: DaimlerChrysler AG.
    Inventors: Martin Grillenberger, Markus Heinzel, Michael Salecker, Friedo Tinschert, Dittmar Wieland