Patents by Inventor Il Chul Ahn

Il Chul Ahn 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).

  • Spring operation device of circuit breaker
    Patent number: 10026567
    Abstract: A spring operation device includes a closing shaft rotating to apply closing driving force to a movable contactor of a circuit breaker; a breaking shaft connected to the closing shaft in an axial direction and rotating to apply breaking driving force to the movable contactor of a circuit breaker; a plurality of springs having one ends connected to the closing shaft and the breaking shaft and the other ends fixed in position and provided along circumferences of the closing shaft and the breaking shaft in order to transmit elastic restoring force to the closing shaft and the breaking shaft to rotate the closing shaft and the breaking shaft; and a power transmission unit connecting the closing shaft and the breaking shaft when a closing operation is performed and releasing a connection between the closing shaft and the breaking shaft when a breaking operation is performed.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: July 17, 2018
    Assignee: Hyundai Electric & Energy Systems Co., Ltd.
    Inventors: Il Chul Ahn, Kyu Bok Choi, Young Sung Kim, Zoltán Bajnay, Balázs Lévai, Csanád Bakos
  • SPRING OPERATION DEVICE OF CIRCUIT BREAKER
    Publication number: 20170207038
    Abstract: A spring operation device includes a closing shaft rotating to apply closing driving force to a movable contactor of a circuit breaker; a breaking shaft connected to the closing shaft in an axial direction and rotating to apply breaking driving force to the movable contactor of a circuit breaker; a plurality of springs having one ends connected to the closing shaft and the breaking shaft and the other ends fixed in position and provided along circumferences of the closing shaft and the breaking shaft in order to transmit elastic restoring force to the closing shaft and the breaking shaft to rotate the closing shaft and the breaking shaft; and a power transmission unit connecting the closing shaft and the breaking shaft when a closing operation is performed and releasing a connection between the closing shaft and the breaking shaft when a breaking operation is performed.
    Type: Application
    Filed: August 24, 2016
    Publication date: July 20, 2017
    Inventors: Il Chul Ahn, Kyu Bok Choi, Young Sung Kim, Zoltán Bajnay, Balázs Lévai, Csanád Bakos