Patents by Inventor Mu-Kai Yu

Mu-Kai Yu 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).

  • Rotor of an inner-rotor motor with reliable engagement between the shaft and the permanent magnets
    Patent number: 10992194
    Abstract: A rotor of an inner-rotor motor includes a shaft having a connecting portion. A permanent magnet is mounted around the connecting portion of the shaft. The permanent magnet includes at least one first engaging portion. At least one coupling member includes a through-hole. The shaft extends through the through-hole. The at least one coupling member includes a second engaging portion engaged with the at least one first engaging portion of the permanent magnet.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: April 27, 2021
    Assignee: Sunonwealth Electric Machine Industry Co., Ltd.
    Inventors: Alex Horng, Ming-Tsung Li, Mu-Kai Yu
  • Rotor of an Inner-Rotor Motor
    Publication number: 20190020235
    Abstract: A rotor of an inner-rotor motor includes a shaft having a connecting portion. A permanent magnet is mounted around the connecting portion of the shaft. The permanent magnet includes at least one first engaging portion. At least one coupling member includes a through-hole. The shaft extends through the through-hole. The at least one coupling member includes a second engaging portion engaged with the at least one first engaging portion of the permanent magnet.
    Type: Application
    Filed: June 6, 2018
    Publication date: January 17, 2019
    Inventors: Alex Horng, Ming-Tsung Li, Mu-Kai Yu