Patents by Inventor Sang Hyub YOON

Sang Hyub YOON 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).

  • Switch for solid insulated switchgear
    Patent number: 9065258
    Abstract: A switch according to the invention comprises a enclosure that is solid insulated and includes an electric power source side bushing portion, an electric load side bushing portion, and an accommodation body portion having air filled therein; a main circuit switch installed, for each pole, and having a vacuum interrupter that switches an electric power circuit by receiving a switching driving force from a common actuator; and an earth switch installed including a first fixed contactor to be earthed; a second fixed contactor electrically connected to the electric power source side connection conductor; and a movable blade connected to the common actuator, and movable to a first position for contacting the first fixed contactor and to a second position for contacting the second fixed contactor, by the switching driving force from the common actuator.
    Type: Grant
    Filed: March 26, 2013
    Date of Patent: June 23, 2015
    Assignee: LSIS Co., Ltd.
    Inventors: Jae Gul Lee, Sang Hyub Yoon, Dong Hwan Jung, Young Kim
  • SWITCH FOR SOLID INSULATED SWITCHGEAR
    Publication number: 20130258556
    Abstract: A switch according to the invention comprises a enclosure that is solid insulated and includes an electric power source side bushing portion, an electric load side bushing portion, and an accommodation body portion having air filled therein; a main circuit switch installed, for each pole, and having a vacuum interrupter that switches an electric power circuit by receiving a switching driving force from a common actuator; and an earth switch installed including a first fixed contactor to be earthed; a second fixed contactor electrically connected to the electric power source side connection conductor; and a movable blade connected to the common actuator, and movable to a first position for contacting the first fixed contactor and to a second position for contacting the second fixed contactor, by the switching driving force from the common actuator.
    Type: Application
    Filed: March 26, 2013
    Publication date: October 3, 2013
    Applicant: LSIS CO., LTD.
    Inventors: Jae Gul LEE, Sang Hyub YOON, Dong Hwan JUNG, Young KIM