Patents by Inventor Christopher Rolls

Christopher Rolls 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).

  • Electric power assisted steering systems for solid axle front suspension vehicles
    Patent number: 10814905
    Abstract: Electric power assisted steering (EPAS) systems for solid axle front suspension vehicles are described. An example EPAS system includes an idler arm having a first end and a second end. The first end of the idler arm is coupled to a frame of the vehicle. The example EPAS system further includes an EPAS rack assembly having an input shaft, a rack, an electric motor, and an output link. The rack is coupled to the input shaft and is movable in response to movement of the input shaft. The electric motor is coupled to the rack. The electric motor provides powered assistance to movement of the rack. The output link has a first end and a second end. The first end of the output link is coupled to the rack. The second end of the output link is coupled to the second end of the idler arm.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: October 27, 2020
    Assignee: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Jaspal Sohal, Joseph Skynar, Stephen Dockstader, Paul Robert Longworth, Christopher Rolls
  • ELECTRIC POWER ASSISTED STEERING SYSTEMS FOR SOLID AXLE FRONT SUSPENSION VEHICLES
    Publication number: 20190351937
    Abstract: Electric power assisted steering (EPAS) systems for solid axle front suspension vehicles are described. An example EPAS system includes an idler arm having a first end and a second end. The first end of the idler arm is coupled to a frame of the vehicle. The example EPAS system further includes an EPAS rack assembly having an input shaft, a rack, an electric motor, and an output link. The rack is coupled to the input shaft and is movable in response to movement of the input shaft. The electric motor is coupled to the rack. The electric motor provides powered assistance to movement of the rack. The output link has a first end and a second end. The first end of the output link is coupled to the rack. The second end of the output link is coupled to the second end of the idler arm.
    Type: Application
    Filed: May 21, 2018
    Publication date: November 21, 2019
    Inventors: Jaspal Sohal, Joseph Skynar, Stephen Dockstader, Paul Robert Longworth, Christopher Rolls