Patents by Inventor Dejun Cheng

Dejun Cheng 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).

  • Patent number: 10326303
    Abstract: A transfer switch transfers electric power provided to an electrical load from a first power source to a second power source. The transfer switch includes a coil arrangement that controls movement of a member to open or close a contactor of the first or second power source. The coil arrangement may be used with two voltage levels.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: June 18, 2019
    Assignee: Cummins Power Generation IP, Inc.
    Inventors: Yong Wang, Fangwei Zheng, Xuefeng Ji, Dejun Cheng, Yuxiang Wei, Dongyan Chu
  • Publication number: 20180183263
    Abstract: A transfer switch transfers electric power provided to an electrical load from a first power source to a second power source. The transfer switch includes a coil arrangement that controls movement of a member to open or close a contactor of the first or second power source. The coil arrangement may be used with two voltage levels.
    Type: Application
    Filed: December 20, 2017
    Publication date: June 28, 2018
    Inventors: Yong Wang, Fangwei Zheng, Xuefeng Ji, Dejun Cheng, Yuxiang Wei, Dongyan Chu
  • Publication number: 20150115745
    Abstract: A transfer switch (104) transfers electric power provided to an electrical load (106) from a first power source to a second power source. The transfer switch (104) includes a coil arrangement that controls movement of a member to open or close a contactor of the first or second power source. The coil arrangement may be used with two voltage levels.
    Type: Application
    Filed: January 18, 2012
    Publication date: April 30, 2015
    Inventors: Yong Wang, Fangwei Zheng, Xuefeng Ji, Dejun Cheng, Yuxiang Wei, Dongyan Chu