Patents by Inventor Roy S. Schafer

Roy S. Schafer 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).

  • Patent number: 11230279
    Abstract: Methods and systems are provided for adjusting driver demand wheel torque of a vehicle. The driver demand wheel torque may be adjusted as a function of accelerator pedal position. In particular, at low accelerator pedal positions, a lead-in region of an accelerator pedal position to driver demand wheel torque relationship is adjustable responsive to vehicle operation conditions so that “dead pedal” feel may be avoided.
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: January 25, 2022
    Assignee: Ford Global Technologies, LLC
    Inventors: Yanan Zhao, Jason Meyer, Roy S. Schafer, Judhajit Roy
  • Publication number: 20210245727
    Abstract: Methods and systems are provided for adjusting driver demand wheel torque of a vehicle. The driver demand wheel torque may be adjusted as a function of accelerator pedal position. In particular, at low accelerator pedal positions, a lead-in region of an accelerator pedal position to driver demand wheel torque relationship is adjustable responsive to vehicle operation conditions so that “dead pedal” feel may be avoided.
    Type: Application
    Filed: February 11, 2020
    Publication date: August 12, 2021
    Inventors: Yanan Zhao, Jason Meyer, Roy S. Schafer, Judhajit Roy