Patents by Inventor Dongchun JI

Dongchun JI 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).

  • System, for motor control center, having a dual structure of integrated modules and communication
    Patent number: 11133768
    Abstract: A motor control center system according to the present invention includes a first integrated module and a second integrated module which are provided in correspondence with a motor control center and in a dual structure; a plurality of protection control modules provided in correspondence with respective motor units; and a multipoint bus to which the protection control modules are connected such that a serial communication network is formed between the first integrated module and second integrated module and the plurality of protection control modules, wherein one end of the multipoint bus is commonly connected to a first serial communication port of the first integrated module and a first serial communication port of the second integrated module, and the other end of the multipoint bus is commonly connected to a second serial communication port of the first integrated module and a second serial communication port of the second integrated module.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: September 28, 2021
    Assignee: ROOTECH INC.
    Inventors: Changyong Jeong, Youngbok Byun, Boogi Moon, Dongchun Ji
  • SYSTEM, FOR MOTOR CONTROL CENTER, HAVING A DUAL STRUCTURE OF INTEGRATED MODULES AND COMMUNICATION
    Publication number: 20210288606
    Abstract: A motor control center system according to the present invention includes a first integrated module and a second integrated module which are provided in correspondence with a motor control center and in a dual structure; a plurality of protection control modules provided in correspondence with respective motor units; and a multipoint bus to which the protection control modules are connected such that a serial communication network is formed between the first integrated module and second integrated module and the plurality of protection control modules, wherein one end of the multipoint bus is commonly connected to a first serial communication port of the first integrated module and a first serial communication port of the second integrated module, and the other end of the multipoint bus is commonly connected to a second serial communication port of the first integrated module and a second serial communication port of the second integrated module.
    Type: Application
    Filed: August 10, 2017
    Publication date: September 16, 2021
    Applicant: ROOTECH INC.
    Inventors: Changyong JEONG, Youngbok BYUN, Boogi MOON, Dongchun JI