Patents by Inventor Yu-Chuong Chang

Yu-Chuong Chang 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).

  • Stator for a motor
    Publication number: 20030098629
    Abstract: A stator for a motor. The stator includes a core, a plurality of insulators, a plurality of windings, and a plurality of back-iron portions. The core is provided with a hollow portion and a plurality of tooth portions protruding from the hollow portion in a radial manner. The insulators, corresponding to the tooth portions, are disposed around the corresponding tooth portion respectively. The windings, corresponding to the insulators, are disposed around the corresponding insulator respectively. The back-iron portions surround the core and contact the insulators along a direction opposite to the protruding direction of the tooth portions.
    Type: Application
    Filed: March 5, 2002
    Publication date: May 29, 2003
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Ching-Feng Lai, Chun-Chung Yang, Yu-Chuong Chang