Patents by Inventor Eric A. Depner

Eric A. Depner 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).

  • Patent number: 6204628
    Abstract: A method and apparatus are provided for disconnecting a starting winding of a single-phase motor during startup. The method includes the steps of disposing a heater element of a thermal switch in series with a main winding of the single-phase motor and disposing a set of contacts of the thermal switch in series with the starting winding of the single-phase motor.
    Type: Grant
    Filed: October 20, 1999
    Date of Patent: March 20, 2001
    Assignee: General Electric Company
    Inventors: Eric A. Depner, James A. Butcher
  • Patent number: 6121746
    Abstract: A speed reduction switch for a multiple speed induction motor includes a speed selector switch and a delay element. As the motor is switched from a high speed to a lower speed, the delay element temporarily prevents electrical connection of a motor auxiliary winding for low speed operation. The motor is therefore de-energized and slows down. After a preselected delay, the delay element connects the motor auxiliary winding when the motor is at a lower speed so that little magnetic braking of the motor occurs, and the motor smoothly transitions from a higher speed to a lower speed.
    Type: Grant
    Filed: June 10, 1999
    Date of Patent: September 19, 2000
    Assignee: General Electric Company
    Inventors: Lynn Edwin Fisher, Eric A. Depner