Patents by Inventor Samuel E. Mayberry

Samuel E. Mayberry 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).

  • Exposed bar induction motor with punched-to-size air gap
    Patent number: 8288913
    Abstract: An electric induction motor assembly includes a rotor assembly and a stator assembly. The rotor assembly includes an exposed bar rotor comprising a plurality of axially stacked, punched-to-size rotor laminations. The stator assembly includes a plurality of axially stacked, punched-to-size stator laminations. Each of the laminations presents an axial thickness of less than 0.024 inches. The rotor assembly and the stator assembly cooperatively define a radially extending air gap between a radially outer periphery of the rotor assembly and a radially inner periphery of the stator assembly that is less that 0.012 inches.
    Type: Grant
    Filed: April 20, 2010
    Date of Patent: October 16, 2012
    Assignee: Nidec Motor Corporation
    Inventors: Thomas M. Bourquin, Samuel E. Mayberry, John H. Hussey, Alan D. Crapo