Patents by Inventor Eun A Kang

Eun A Kang 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).

  • Engine including control unit for regulating opening degree of EGR valve, and method for controlling EGR valve of engine
    Patent number: 10302032
    Abstract: The present invention relates to control of an opening degree of an exhaust gas recirculation (EGR) valve which is provided in an engine which uses compressed natural gas as fuel. A method for controlling an EGR valve of an engine according to the present invention includes: calculating the amount of exhaust gas to be transferred from an exhaust line to an intake line according to engine operating conditions; regulating an opening degree of an EGR valve based on the calculated amount of exhaust gas; measuring a temperature of exhaust gas discharged from a combustion chamber; and increasing the opening degree of the EGR valve by a preset increment when the temperature of the exhaust gas discharged from the combustion chamber exceeds a preset reference temperature.
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: May 28, 2019
    Assignee: DOOSAN INFRACORE CO., LTD.
    Inventors: Phil Gyu Jeon, Jin Hwa Chung, Eun A Kang, Duk Sang Kim
  • ENGINE INCLUDING CONTROL UNIT FOR REGULATING OPENING DEGREE OF EGR VALVE, AND METHOD FOR CONTROLLING EGR VALVE OF ENGINE
    Publication number: 20180283298
    Abstract: The present invention relates to control of an opening degree of an exhaust gas recirculation (EGR) valve which is provided in an engine which uses compressed natural gas as fuel. A method for controlling an EGR valve of an engine according to the present invention includes: calculating the amount of exhaust gas to be transferred from an exhaust line to an intake line according to engine operating conditions; regulating an opening degree of an EGR valve based on the calculated amount of exhaust gas; measuring a temperature of exhaust gas discharged from a combustion chamber; and increasing the opening degree of the EGR valve by a preset increment when the temperature of the exhaust gas discharged from the combustion chamber exceeds a preset reference temperature.
    Type: Application
    Filed: May 9, 2016
    Publication date: October 4, 2018
    Inventors: Phil Gyu JEON, Jin Hwa CHUNG, Eun A KANG, Duk Sang KIM
  • Cartridge housing
    Patent number: D772428
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: November 22, 2016
    Assignees: BODITECH MED INC., ARKRAY, INC.
    Inventors: Hiramura Fumito, Cheol Min Kim, Oshiro Kyoichi, Jae-Seon Hwang, Eun A Kang, Hasegawa Hironori