Patents by Inventor Stefan WENK

Stefan WENK 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).

  • Steer-by-wire steering system having a spindle drive
    Patent number: 11623682
    Abstract: A spindle drive (20) for an actuator of a steer-by-wire steering system (10). The spindle drive has a linearly displaceable threaded spindle (27). The spindle drive (20) is in the form of a roller screw drive. The roller screw drive has a first efficiency in the driving direction and a second different efficiency in the reverse-driving direction.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: April 11, 2023
    Assignee: ZF Friedrichshafen AG
    Inventor: Stefan Wenk
  • STEER-BY-WIRE STEERING SYSTEM HAVING A SPINDLE DRIVE
    Publication number: 20210237795
    Abstract: A spindle drive (20) for an actuator of a steer-by-wire steering system (10). The spindle drive has a linearly displaceable threaded spindle (27). The spindle drive (20) is in the form of a roller screw drive. The roller screw drive has a firs efficiency in the driving direction and a second different efficiency in the reverse-driving direction.
    Type: Application
    Filed: May 21, 2019
    Publication date: August 5, 2021
    Inventor: Stefan WENK