Patents by Inventor James Frederick Vorberger, II

James Frederick Vorberger, II 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).

  • Torque converter
    Patent number: 9605738
    Abstract: A torque converter includes a torsional damper assembly. The torsional damper assembly includes a damper. The damper has an electromagnetic coil and a magnetorheological fluid. The electromagnetic coil is positioned such that a magnetic field from the electromagnetic coil adjusts a viscosity of the magnetorheological fluid when a current flows through the electromagnetic coil.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: March 28, 2017
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Odilo Raphael Nawratil, James Frederick Vorberger, II, Won Hyuk Lee
  • Torque Converter
    Publication number: 20170009865
    Abstract: A torque converter includes a torsional damper assembly. The torsional damper assembly includes a damper. The damper has an electromagnetic coil and a magnetorheological fluid. The electromagnetic coil is positioned such that a magnetic field from the electromagnetic coil adjusts a viscosity of the magnetorheological fluid when a current flows through the electromagnetic coil.
    Type: Application
    Filed: July 9, 2015
    Publication date: January 12, 2017
    Inventors: Odilo Raphael Nawratil, James Frederick Vorberger, II, Won Hyuk Lee
  • Brake clutch for an automatic transmission
    Patent number: 9429233
    Abstract: A brake clutch for an automatic transmission includes a piston that is positioned adjacent a multi-disc clutch pack and is movable between an engaged configuration and a disengaged configuration relative to the multi-disc clutch pack. Teeth of a plurality of ratcheting teeth of the piston are meshed with teeth of a plurality of ratcheting teeth of a retaining assembly of the brake clutch. A related automatic transmission is also provided.
    Type: Grant
    Filed: June 3, 2015
    Date of Patent: August 30, 2016
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Odilo Raphael Nawratil, James Frederick Vorberger, II, Won Hyuk Lee