Patents by Inventor Khanh Khac Do

Khanh Khac Do 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).

  • Apparatus for restraining axial movement of a ring gear in a gearbox for a wind turbine
    Patent number: 7621843
    Abstract: The gearbox may also comprise a retaining means comprising a retainer ring having a first leg fitted in mating relationship with the housing and a second leg depending there from and overlapping at least a portion of the ring gear. The retainer ring has two free ends spaced apart forming a gap there between. A keystone, mounted to the housing, has a first leg disposed between the gap in the retainer ring and disposed toward an input end of the gearbox, and a second leg attached to the first leg wherein the second leg is secured to the housing.
    Type: Grant
    Filed: February 9, 2007
    Date of Patent: November 24, 2009
    Assignee: General Electric Company
    Inventors: James H. Madge, Khanh Khac Do
  • Apparatus for Restraining Axial Movement of a Ring Gear in a Gearbox for a Wind Turbine
    Publication number: 20080171630
    Abstract: The gearbox may also comprise a retaining means comprising a retainer ring having a first leg fitted in mating relationship with the housing and a second leg depending there from and overlapping at least a portion of the ring gear. The retainer ring has two free ends spaced apart forming a gap there between. A keystone, mounted to the housing, has a first leg disposed between the gap in the retainer ring and disposed toward an input end of the gearbox, and a second leg attached to the first leg wherein the second leg is secured to the housing.
    Type: Application
    Filed: February 9, 2007
    Publication date: July 17, 2008
    Inventors: James H. Madge, Khanh Khac Do