Patents by Inventor Doo Seok Jung

Doo Seok Jung 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).

  • Patent number: 10221819
    Abstract: A variable air intake apparatus in accordance with the present invention includes an valve configured to open a through hole formed at a duct body when an engine is driven at a high output to change a path of air introduced into the engine depending on an engine RPM, in which a magnet is mounted on any one of the valve and the duct body and a steel member is mounted on the other one thereof to maintain a state in which the valve closes the through hole, and a buffering member is mounted on any one of the valve and the duct body to prevent generation of hitting sound that is generated when the valve hits the duct body.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: March 5, 2019
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Doo-Seok Jung, Min-Chan Kwak
  • Publication number: 20180100472
    Abstract: A variable air intake apparatus in accordance with the present invention includes an valve configured to open a through hole formed at a duct body when an engine is driven at a high output to change a path of air introduced into the engine depending on an engine RPM, in which a magnet is mounted on any one of the valve and the duct body and a steel member is mounted on the other one thereof to maintain a state in which the valve closes the through hole, and a buffering member is mounted on any one of the valve and the duct body to prevent generation of hitting sound that is generated when the valve hits the duct body.
    Type: Application
    Filed: December 9, 2016
    Publication date: April 12, 2018
    Applicants: HYUNDAI MOTOR COMPANY, Kia Motors Corporation
    Inventors: Doo-Seok Jung, Min-Chan Kwak
  • Patent number: 9169811
    Abstract: An air cleaner for a vehicle has an improved door locking structure that is not affected by the temperature of an engine compartment, and is configured to performing a door opening/closing operation and a filter replacing operation by simple manipulation. The air cleaner includes: a filter assembly; a case accommodating and providing access to the filter assembly; a door rotatably installed at the case that opens and closes the entrance of the case; an elastic member mounted between the door and the case to apply an elastic restoring force; and a locking unit installed that locks the door at a closed position and unlocks the door by one touch manipulation of pressing the door at the closed position.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: October 27, 2015
    Assignee: KIA MOTORS CORPORATION
    Inventors: Yoon Keun Cho, Doo Seok Jung
  • Publication number: 20150040527
    Abstract: An air cleaner for a vehicle has an improved door locking structure that is not affected by the temperature of an engine compartment, and is configured to performing a door opening/closing operation and a filter replacing operation by simple manipulation. The air cleaner includes: a filter assembly; a case accommodating and providing access to the filter assembly; a door rotatably installed at the case that opens and closes the entrance of the case; an elastic member mounted between the door and the case to apply an elastic restoring force; and a locking unit installed that locks the door at a closed position and unlocks the door by one touch manipulation of pressing the door at the closed position.
    Type: Application
    Filed: December 19, 2013
    Publication date: February 12, 2015
    Applicant: Kia Motors Corporation
    Inventors: Yoon Keun Cho, Doo Seok Jung
  • Patent number: 8784527
    Abstract: An air cleaner apparatus for a vehicle may include a filter assembly a case that accommodates the filter assembly therein, a door rotatably installed on the case to open/close the case, and a link unit having both end portions rotatably installed on the inside of the case and the door respectively, for making the filter assembly adhere closely to or release from the case while interlocking with the rotating door.
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: July 22, 2014
    Assignee: Kia Motors Corporation
    Inventor: Doo Seok Jung
  • Publication number: 20130139483
    Abstract: An air cleaner apparatus for a vehicle may include a filter assembly a case that accommodates the filter assembly therein, a door rotatably installed on the case to open/close the case, and a link unit having both end portions rotatably installed on the inside of the case and the door respectively, for making the filter assembly adhere closely to or release from the case while interlocking with the rotating door.
    Type: Application
    Filed: April 18, 2012
    Publication date: June 6, 2013
    Applicant: Kia Motors Corporation
    Inventor: Doo Seok Jung