Patents by Inventor Lung-Chang Hsieh

Lung-Chang Hsieh 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).

  • Publication number: 20060270511
    Abstract: A differential gear apparatus includes a housing, left and right shafts respectively having journal ends disposed in the housing and rotatable relative to the housing about a central axis to rotate wheels of a vehicle, a ring gear received in the housing and driven by a motor to rotate about the central axis relative to the housing, a central mount disposed at the center of the ring gear to be rotated therewith. Front and rear differential pinions and left and right bevel gears are journalled on front and rear bearing members on the central mount and left and right anti-frictional bearings in the housing, respectively. Each of the left and right bevel gears meshes with both the front and rear differential pinions, and is rotated with a respective one of the shafts so as to transmit rotational force thereto.
    Type: Application
    Filed: May 24, 2005
    Publication date: November 30, 2006
    Applicant: Sunpex Technology Co., Ltd.
    Inventors: Lung-Chang Hsieh, Shinn-Liang Chang, Kuo-Yung Ko