Patents by Inventor Donn Edward Steffen

Donn Edward Steffen 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).

  • Methods and apparatus for mounting a motor controller on a stator assembly
    Patent number: 10122236
    Abstract: An electric machine includes a motor having a motor chassis having a first and second end, a stator assembly, and a rotor assembly. The electric machine includes a motor control assembly having a circuit board. The motor control assembly is attached to the stator assembly of the motor. A first end shield is attached to the first end of the motor chassis. The first end shield includes a first opening that is configured to enable a cooling air stream to pass therethrough to cool the motor and the motor control assembly.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: November 6, 2018
    Assignee: Regal Beloit America, Inc.
    Inventors: Wei Song, David M. Pierre, Kamron Wright, Paul Nathanael Selking, Donn Edward Steffen
  • METHODS AND APPARATUS FOR MOUNTING A MOTOR CONTROLLER ON A STATOR ASSEMBLY
    Publication number: 20150076941
    Abstract: An electric machine includes a motor having a motor chassis having a first and second end, a stator assembly, and a rotor assembly. The electric machine includes a motor control assembly having a circuit board. The motor control assembly is attached to the stator assembly of the motor. A first end shield is attached to the first end of the motor chassis. The first end shield includes a first opening that is configured to enable a cooling air stream to pass therethrough to cool the motor and the motor control assembly.
    Type: Application
    Filed: November 25, 2014
    Publication date: March 19, 2015
    Inventors: Wei Song, David M. Pierre, Kamron Wright, Paul Nathanael Selking, Donn Edward Steffen