Patents by Inventor Chingsik LAU

Chingsik LAU 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).

  • Motor, end cap and manufacturing method thereof
    Patent number: 11101712
    Abstract: An electric motor, an end cap thereof and a manufacturing method of the end cap are provided. The end cap includes an insulating body and a filter circuit board mounted to the insulating body. The filter circuit board includes at least two power conductors for receiving an external power source, an insulating support frame integral with the at least two power conductors, and at least one filter element. One end of the at least one filter element is connected to a corresponding power conductor, and the other end of the at least one filter element is grounded.
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: August 24, 2021
    Assignee: JOHNSON ELECTRIC INTERNATIONAL AG
    Inventors: Yukwai Yeung, Chingsik Lau, Dawei Zhou, Siukin Tam, Tao Fu
  • MOTOR, END CAP AND MANUFACTURING METHOD THEREOF
    Publication number: 20190020240
    Abstract: An electric motor, an end cap thereof and a manufacturing method of the end cap are provided. The end cap includes an insulating body and a filter circuit board mounted to the insulating body. The filter circuit board includes at least two power conductors for receiving an external power source, an insulating support frame integral with the at least two power conductors, and at least one filter element. One end of the at least one filter element is connected to a corresponding power conductor, and the other end of the at least one filter element is grounded.
    Type: Application
    Filed: July 11, 2018
    Publication date: January 17, 2019
    Inventors: Yukwai YEUNG, Chingsik LAU, Dawei ZHOU, Siukin TAM, Tao FU