Patents by Inventor Yunfu Feng

Yunfu Feng 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).

  • Circuit breaker closing/opening actuating mechanism and driving device thereof
    Patent number: 8963678
    Abstract: A circuit breaker closing/opening actuating mechanism and a driving device thereof, the driving device includes: an expansion body (12), and a heater (13), wherein the expansion body (12) is coupled to the force transmitting mechanism (11), when the heater (13) is powered on, the expansive matter (4) inside the shell (2) expands to motivate the force transmitting mechanism (11), so as to realize opening or closing a circuit breaker. The present invention has the following benefits of utilizing the expansion force and displacement generated by matter phase transforming when temperature changes to expand, for the circuit breaker to close or open, so as to realize remote controlling and automatic controlling of an electric switch. The present invention has simple structure, and acts reliably.
    Type: Grant
    Filed: November 18, 2010
    Date of Patent: February 24, 2015
    Inventors: Shuo Feng, Yunfu Feng