Patents by Inventor Menglei ZHENG

Menglei ZHENG 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).

  • Structure of switchgear with arc eliminator
    Patent number: 10020643
    Abstract: The present invention relates to a structure of a switchgear with an arc protection system including an arc optical sensor to detect an arc, a relay to determine an occurrence or non-occurrence of a fault current by receiving an arc signal detected by the arc optical sensor, and an arc eliminator to earth an arc-generated side bus bar in response to an operating signal with respect to the determined fault current, wherein the arc eliminator has a test position or a service position within the switchgear.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: July 10, 2018
    Assignee: LSIS CO., LTD.
    Inventor: Menglei Zheng
  • Arc eliminator with earth contact
    Patent number: 9899168
    Abstract: The present invention relates to an arc eliminator, and more particularly, to an arc eliminator with an earth contact. An arc eliminator comprises: a housing; an extinguisher installed on the housing; and an earth contact that is installed on the housing and protrudes out from the housing in such a way as to be connected to the ground bus bar provided inside a distribution board when the extinguisher is moved to a first position where the extinguisher is connected to a fixed bus bar provided inside the distribution board, and to be disconnected from the ground bus bar when the extinguisher is moved to a second position where the extinguisher is disconnected from the fixed bus bar.
    Type: Grant
    Filed: January 14, 2017
    Date of Patent: February 20, 2018
    Assignee: LSIS CO., LTD.
    Inventors: Menglei Zheng, Youngwoo Jeong
  • ARC ELIMINATOR WITH EARTH CONTACT
    Publication number: 20170271110
    Abstract: The present invention relates to an arc eliminator, and more particularly, to an arc eliminator with an earth contact. An arc eliminator comprises: a housing; an extinguisher installed on the housing; and an earth contact that is installed on the housing and protrudes out from the housing in such a way as to be connected to the ground bus bar provided inside a distribution board when the extinguisher is moved to a first position where the extinguisher is connected to a fixed bus bar provided inside the distribution board, and to be disconnected from the ground bus bar when the extinguisher is moved to a second position where the extinguisher is disconnected from the fixed bus bar.
    Type: Application
    Filed: January 14, 2017
    Publication date: September 21, 2017
    Applicant: LSIS CO., LTD.
    Inventors: Menglei ZHENG, Youngwoo JEONG
  • STRUCTURE OF SWITCHGEAR WITH ARC ELIMINATOR
    Publication number: 20170018913
    Abstract: The present invention relates to a structure of a switchgear with an arc protection system including an arc optical sensor to detect an arc, a relay to determine an occurrence or non-occurrence of a fault current by receiving an arc signal detected by the arc optical sensor, and an arc eliminator to earth an arc-generated side bus bar in response to an operating signal with respect to the determined fault current, wherein the arc eliminator has a test position or a service position within the switchgear.
    Type: Application
    Filed: May 10, 2016
    Publication date: January 19, 2017
    Applicant: LSIS CO., LTD.
    Inventor: Menglei ZHENG