Patents by Inventor Omid Ghayebi

Omid Ghayebi 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).

  • Rotary control valve for a hydrostatic transmission
    Patent number: 7614227
    Abstract: A rotary control valve for a vehicle hydrostatic transmission includes a hydraulic pump and a hydraulic motor. The valve is configured to control both a direction and a speed of the hydrostatic transmission. The rotary control valve includes a rotary valve plate configured to oscillate through a range of less than 180 degrees independently of the pump and the motor.
    Type: Grant
    Filed: July 31, 2007
    Date of Patent: November 10, 2009
    Assignee: Briggs and Stratton Corporation
    Inventors: Robert Carlson, Thomas W. Roeber, Omid Ghayebi
  • ROTARY CONTROL VALVE FOR A HYDROSTATIC TRANSMISSION
    Publication number: 20080028759
    Abstract: A rotary control valve for a vehicle hydrostatic transmission includes a hydraulic pump and a hydraulic motor. The valve is configured to control both a direction and a speed of the hydrostatic transmission. The rotary control valve includes a rotary valve plate configured to oscillate through a range of less than 180 degrees independently of the pump and the motor.
    Type: Application
    Filed: July 31, 2007
    Publication date: February 7, 2008
    Applicant: BRIGGS & STRATTON CORPORATION
    Inventors: Robert Carlson, Thomas W. Roeber, Omid Ghayebi