Patents by Inventor Sung Rok YOO

Sung Rok YOO 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).

  • Tripping device of circuit breaker
    Patent number: 10026573
    Abstract: A tripping device of a circuit breaker of the present disclosure may reinforce a magnetic force on a main magnetic flux path using a plurality of magnetic force reinforcing plates without using an additional plate yoke on an actuator provided in the circuit breaker to miniaturize the size of the actuator, thereby having an effect of allowing a control circuit unit provided at an outer portion of the circuit breaker to be installed at an inner portion of the circuit breaker to miniaturize the whole size of the circuit breaker.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: July 17, 2018
    Assignee: LSIS CO., LTD.
    Inventors: Sung Rok Yoo, Jong Mahn Sohn
  • TRIPPING DEVICE OF CIRCUIT BREAKER
    Publication number: 20160126041
    Abstract: A tripping device of a circuit breaker of the present disclosure may reinforce a magnetic force on a main magnetic flux path using a plurality of magnetic force reinforcing plates without using an additional plate yoke on an actuator provided in the circuit breaker to miniaturize the size of the actuator, thereby having an effect of allowing a control circuit unit provided at an outer portion of the circuit breaker to be installed at an inner portion of the circuit breaker to miniaturize the whole size of the circuit breaker.
    Type: Application
    Filed: October 23, 2015
    Publication date: May 5, 2016
    Applicant: LSIS CO., LTD.
    Inventors: Sung Rok YOO, Jong Mahn SOHN