Patents by Inventor Sung Woo CHANG

Sung Woo CHANG 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).

  • Stator and motor assembly including same
    Patent number: 11955841
    Abstract: The present invention provides a stator and a motor assembly including the same. The stator includes: a stator core disposed outside a rotor core and having an inner surface inclined with respect to a rotation axis of a rotor; a plurality of coil-wound teeth extending from the inner surface of the stator core towards the rotation axis, wherein a coil is wound around each of the plurality of coil-wound teeth; and openings formed by sidewalls of the plurality of coil-wound teeth and the inner surface of the stator core, wherein a cross-sectional area of the openings changes along a direction of the rotation axis.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: April 9, 2024
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sung Woo Chang, Seung Yeol Lee
  • Foldable steering wheel
    Patent number: 11866086
    Abstract: A foldable steering wheel is configured to be folded or unfolded due to linear movement and rotating movement of the steering wheel to secure an available space in a driver's seat, and the foldable steering wheel includes an armature body connected to a column, the steering wheel coupled to the armature body, configured to be linearly moved in a radial direction with respect to a steering shaft of the column, and configured to be rotatably moved on a rotation shaft which is unparallel to the steering shaft, and a moving device engaged to the steering wheel and configured to generate a linear movement path and a rotating movement path of the steering wheel to move the steering wheel with respect to the armature body.
    Type: Grant
    Filed: October 17, 2022
    Date of Patent: January 9, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, Joyson Safety Systems Korea Co., Ltd.
    Inventors: Kyeong Boo Roh, Beom Jung Kim, Yu Ji Son, Byung Woo Noh, Yong Sun Kim, Seung Min Kim, Sung Woo Chang, Sung Jin Hong, Tae Woo Kim
  • FOLDABLE STEERING WHEEL
    Publication number: 20230347967
    Abstract: A foldable steering wheel is configured to be folded or unfolded due to linear movement and rotating movement of the steering wheel to secure an available space in a driver's seat, and the foldable steering wheel includes an armature body connected to a column, the steering wheel coupled to the armature body, configured to be linearly moved in a radial direction with respect to a steering shaft of the column, and configured to be rotatably moved on a rotation shaft which is unparallel to the steering shaft, and a moving device engaged to the steering wheel and configured to generate a linear movement path and a rotating movement path of the steering wheel to move the steering wheel with respect to the armature body.
    Type: Application
    Filed: October 17, 2022
    Publication date: November 2, 2023
    Applicants: Hyundai Motor Company, Kia Corporation, Joyson Safety Systems Korea Co., Ltd.
    Inventors: Kyeong Boo ROH, Beom Jung KIM, Yu Ji SON, Byung Woo NOH, Yong Sun KIM, Seung Min KIM, Sung Woo CHANG, Sung Jin HONG, Tae Woo KIM
  • STATOR AND MOTOR ASSEMBLY INCLUDING SAME
    Publication number: 20220052566
    Abstract: The present invention provides a stator and a motor assembly including the same. The stator includes: a stator core disposed outside a rotor core and having an inner surface inclined with respect to a rotation axis of a rotor; a plurality of coil-wound teeth extending from the inner surface of the stator core towards the rotation axis, wherein a coil is wound around each of the plurality of coil-wound teeth; and openings formed by sidewalls of the plurality of coil-wound teeth and the inner surface of the stator core, wherein a cross-sectional area of the openings changes along a direction of the rotation axis.
    Type: Application
    Filed: September 18, 2019
    Publication date: February 17, 2022
    Inventors: Sung Woo CHANG, Seung Yeol LEE