Nested Coils Patents (Class 267/238)
  • Brake pedal emulator of a brake-by-wire system and method of operation
    Patent number: 10137874
    Abstract: A brake pedal emulator for a brake-by-wire system of a vehicle extends and connects between a support structure and a brake pedal operatively engaged to the support structure. The brake pedal emulator includes a hydraulic cylinder having a magneto-rheological hydraulic fluid and an electrical element configured to carry an electrical current for controlling a viscosity of the magneto-rheological hydraulic fluid and thereby controlling a first force exerted by the hydraulic cylinder when actuated by the brake pedal.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: November 27, 2018
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Brandon C. Pennala, Scott C. Mrdeza, Michael C. Roberts