Patents by Inventor William Randall Fong

William Randall Fong 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).

  • Rotor Assembly with Electron Beam Welded End Caps
    Publication number: 20140339950
    Abstract: A rotor assembly and a method for fabricating the same are provided in which a pair of end caps, positioned at either end of the stack of laminated discs, are fusion welded to the rotor bars using an electron beam welder, thereby yielding improved electrical and mechanical characteristics in a low weight assembly.
    Type: Application
    Filed: May 18, 2013
    Publication date: November 20, 2014
    Applicant: Tesla Motors, Inc.
    Inventors: David Fred Nelson, Shyi-Perng Phillip Luan, Edwin Marcum Pearce, JR., William Randall Fong
  • Park lock for narrow transmission
    Patent number: 8881883
    Abstract: A park lock of a transmission, including a park gear; a park pawl rotating about a pawl shaft, the park pawl having a pawl portion locking the park gear, the park pawl including a cam contact portion; a park rod responsive to an operation of a controller, the park rod having a cam portion pressing the cam contact portion to have park pawl engage the park gear; a park sleeve receiving the cam portion and defining a first contact point providing a reactive force to the cam contact portion of the park pawl pressing against the cam portion at a second contact point; a pawl torsional spring biasing the park pawl towards disengagement; and a pawl stopper limiting the rotation of the park pawl wherein motions are constrained within a plane of the transmission and components are rotatingly disposed in parallel axis bores in one half of a transmission case.
    Type: Grant
    Filed: April 30, 2012
    Date of Patent: November 11, 2014
    Assignees: Tesla Motors, Inc., Toyota Motor Engineering & Manufacturing North America, Inc.
    Inventors: Augusto E. Barton, William Randall Fong, Gary Allen Pinkley, Edwin Marcum Pearce, Jr., Kunio Morisawa, Kazunori Kaneko, Koichi Tanaka
  • PARK LOCK FOR NARROW TRANSMISSION
    Publication number: 20130284559
    Abstract: A park lock of a transmission, including a park gear; a park pawl rotating about a pawl shaft, the park pawl having a pawl portion locking the park gear, the park pawl including a cam contact portion; a park rod responsive to an operation of a controller, the park rod having a cam portion pressing the cam contact portion to have park pawl engage the park gear; a park sleeve receiving the cam portion and defining a first contact point providing a reactive force to the cam contact portion of the park pawl pressing against the cam portion at a second contact point; a pawl torsional spring biasing the park pawl towards disengagement; and a pawl stopper limiting the rotation of the park pawl wherein motions are constrained within a plane of the transmission and components are rotatingly disposed in parallel axis bores in one half of a transmission case.
    Type: Application
    Filed: April 30, 2012
    Publication date: October 31, 2013
    Applicants: Toyota Motor Engineering & Manufacturing North America, Inc., TESLA MOTORS, INC.
    Inventors: Augusto E. Barton, William Randall Fong, Gary Allen Pinkley, Edwin Marcum Pearce, JR., Kunio Morisawa, Kazunori Kaneko, Koichi Tanaka