Patents by Inventor Daejune Jung

Daejune 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).

  • Publication number: 20230375058
    Abstract: A brake locking apparatus for locking the position of a brake pad in a vehicle, the brake locking apparatus may include: a housing; a first rotating member including: a first body part inside the housing configured to rotate in conjunction with movement of the brake pad, and a first protrusion including a first support surface extending radially outwardly from a first side of the first body part, wherein the first body part is cylindrical; and an elastic member including: a spring part positioned on a circumferential side of the first body part and having an outer circumferential surface adjacent an inner surface of the housing, and a first bent part bent inwardly at a first end of the spring part to elastically support the first support surface.
    Type: Application
    Filed: May 19, 2023
    Publication date: November 23, 2023
    Inventors: DAEJUNE JUNG, WOOCHUL LIM, JOON-KYU SONG
  • Publication number: 20230082813
    Abstract: Disclosed herein an electric parking brake including a ball-screw type power conversion unit installed in a caliper housing to convert a rotational force into a linear motion, The electric parking brake includes a motor configured to generate a rotational force, a first gear unit including a first connection portion, the first connection portion directly connected to a main helical gear provided on a motor shaft of the motor, a second gear unit including a second connection portion, the second connection portion spaced apart from the first connection portion by a predetermined distance and directly connected to the main helical gear, and a reduction gear unit connected to any one of the first gear unit and the second gear unit and configured to transmit the rotational force generated from the motor to a spindle of the power conversion unit, wherein any one of the first and second gear units is configured to perform a self-locking function when a parking braking force is generated.
    Type: Application
    Filed: September 14, 2022
    Publication date: March 16, 2023
    Applicant: MANDO CORPORATION
    Inventors: Woochul LIM, Daejune JUNG
  • Publication number: 20230068562
    Abstract: Disclosed is an actuator for a brake device.
    Type: Application
    Filed: January 19, 2021
    Publication date: March 2, 2023
    Applicant: MANDO CORPORATION
    Inventors: Woochul LIM, Soosung KIM, Daejune JUNG, Joon-kyu SONG
  • Publication number: 20230046722
    Abstract: The present disclosure relates to an actuator for a brake device. The actuator includes a housing having a motor accommodating part and a gear accommodating part, a motor accommodated in the motor accommodating part, and a reduction device accommodated in the gear accommodating part, wherein the reduction device includes, a crossed helical gear reduction unit including a driving crossed helical gear coupled to a shaft of the motor, and a ring wheel provided with a driven crossed helical gear engaged with the driving crossed helical gear on an outer circumference thereof, and a planetary gear reduction unit including a sun gear rotating together with the ring wheel, a ring gear provided as an internal gear, a plurality of planetary gears engaged with the sun gear and the ring gear, and a carrier on which the plurality of planetary gears is rotatably supported and having an output shaft.
    Type: Application
    Filed: January 25, 2021
    Publication date: February 16, 2023
    Applicant: MANDO CORPORATION
    Inventors: Woochul LIM, Soosung KIM, Daejune JUNG, Joon-kyu SONG
  • Publication number: 20220355778
    Abstract: The present disclosure relates to an actuator for an electronic parking brake and, more particularly, to an actuator for an electronic parking brake, whereby a motor may be stably fixed using a simple structure. To this end, an actuator for an electronic parking brake according to the present disclosure comprises: a motor having a bracket to fix a position of a motor housing; a main housing in which the motor is accommodated; and a main cover seated on an upper end of the main housing, wherein a first fastening protrusion extending downward to be inserted into a first fastening groove formed in the motor housing and a second fastening protrusion extending outward in the radial direction to be inserted into a second fastening groove formed in the main housing are formed on the bracket, and when the motor is assembled, the second fastening groove supports the second fastening protrusion to prevent the axial direction movement of the second fastening protrusion.
    Type: Application
    Filed: July 15, 2020
    Publication date: November 10, 2022
    Inventor: Daejune JUNG
  • Publication number: 20220297660
    Abstract: Disclosed herein an electric parking brake includes a pair of pressing portions provided in a caliper housing to convert rotational motion into linear motion to press a brake pad; an actuator configured to transmit power to the pair of pressing portions; and a load control portion provided rotatably between the pair of pressing portions and the actuator, the load control portion applying a uniform load to the pair of pressing portions by pressing any one of the pair of pressing portions that generates a less load during braking operation.
    Type: Application
    Filed: March 10, 2022
    Publication date: September 22, 2022
    Inventors: Woochul LIM, Joon-Kyu Song, Daejune Jung