Patents by Inventor Ren-Jei Wu

Ren-Jei Wu 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: 20050093383
    Abstract: A fan motor includes base, stator and rotor units. The base unit includes a base plate with a shaft tube extending therefrom. The stator unit includes a stator core member, stator coils, and a circuit board. The stator core member has a metal core body that includes a central hub portion sleeved on the shaft tube, and a plurality of core-winding spokes extending from the central hub portion and having the stator coils wound thereon. The circuit board is coupled electrically to the stator coils. The rotor unit includes a drive shaft mounted rotatably in the shaft tube and extending outwardly of the shaft tube, a sensing ring having an inner ring surface that forms an annular clearance with end faces of the core-winding spokes, and a cover member having the drive shaft extending fixedly therethrough.
    Type: Application
    Filed: November 3, 2003
    Publication date: May 5, 2005
    Inventors: Wen-Shing Wu, Ren-Jei Wu