Patents by Inventor Zhi Yang Yao

Zhi Yang Yao 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).

  • Commutator having a plurality of commutator segments and method for making the same
    Patent number: 9035529
    Abstract: A commutator has a plurality of commutator segments fixed to an insulating support member. The commutator segments are formed by cold or hot forming a copper billet cut from a length of copper wire. Each billet has a volume approximately equal to the volume of one commutator segment. Each commutator segment has a main body and an anchor integrally formed with the main body. The commutator segments are spaced about a circle and then an insulating support member is molded to the commutator segments to fix the commutator segments to the support member.
    Type: Grant
    Filed: July 12, 2011
    Date of Patent: May 19, 2015
    Assignee: Johnston Electric S.A.
    Inventors: Raven Wai Kei Mok, Zhi Yang Yao, Xiao Jun Yang, Chung Fai Choi, Wilfried Gorlt, James Ching Sik Lau, Alan Kin Fung Man, Kui Man Lai
  • COMMUTATOR
    Publication number: 20120007467
    Abstract: A commutator has a plurality of commutator segments fixed to an insulating support member. The commutator segments are formed by cold or hot forming a copper billet cut from a length of copper wire. Each billet has a volume approximately equal to the volume of one commutator segment. Each commutator segment has a main body and an anchor integrally formed with the main body. The commutator segments are spaced about a circle and then an insulating support member is molded to the commutator segments to fix the commutator segments to the support member.
    Type: Application
    Filed: July 12, 2011
    Publication date: January 12, 2012
    Inventors: Raven Wai Kei Mok, Zhi Yang Yao, Xiao Jun Yang, Chung Fai Choi, Wilfried Gorlt, James Ching Sik Lau, Alan Kin Fung Man, Kui Man Lai