Patents by Inventor Hwan Bum Kang

Hwan Bum 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).

  • Tripod type constant velocity joint
    Patent number: 8298092
    Abstract: A tripod type constant velocity joint comprises a housing having three track grooves defined at trisected positions of the housing and extending in an axial direction, and a spider having three -trunnions projectedly formed at trisected positions of the spider to be respectively inserted into the track grooves, each trunnion having a generally oval or elliptical cross-sectional shape and including at least one independent contact surface at each of two opposing sides subjecting to a load. Inner rollers each has an inner surface of a concavely curved contour for receiving a corresponding trunnion therein, and an outer roller is mounted to each inner roller with a plurality of needle rollers engaged there-between.
    Type: Grant
    Filed: December 23, 2010
    Date of Patent: October 30, 2012
    Assignee: Hyundai Wia Corporation
    Inventors: Jeong Hyun Cho, Dae Hwan Kim, In Sang Lee, Joung Sik Park, Sung Baek An, Seung Man Shin, Hwan Bum Kang
  • TRIPOD TYPE CONSTANT VELOCITY JOINT
    Publication number: 20110159969
    Abstract: A tripod type constant velocity joint comprises a housing having three track grooves defined at trisected positions of the housing and extending in an axial direction, and a spider having three trunnions projectedly formed at trisected positions of the spider to be respectively inserted into the track, each trunnion having at least two polygonal surfaces at each of two opposing sides subjecting to a load. Inner rollers each has an inner surface of a concavely curved contour for receiving a corresponding trunnion therein, and an outer is mounted to each inner roller with a plurality of needle rollers engaged therebetween.
    Type: Application
    Filed: December 23, 2010
    Publication date: June 30, 2011
    Applicant: HYUNDAI WIA Corporation
    Inventors: JEONG HYUN CHO, Dae Hwan Kim, In Sang Lee, Joung Sik Park, Sung Baek An, Seung Man Shin, Hwan Bum Kang
  • Tripod type constant velocity joint
    Patent number: 7874924
    Abstract: A tripod type constant velocity joint comprises a housing having three track grooves defined at trisected positions of the housing and extending in an axial direction, and a spider having three trunnions projectedly formed at trisected positions of the spider to be respectively inserted into the track grooves, each trunnion having at least two polygonal surfaces at each of two opposing sides subjecting to a load. Inner rollers each has an inner surface of a concavely curved contour for receiving a corresponding trunnion therein, and an outer is mounted to each inner roller with a plurality of needle rollers engaged there-between.
    Type: Grant
    Filed: October 29, 2007
    Date of Patent: January 25, 2011
    Assignee: Hyundai Wia Corporation
    Inventors: Jeong Hyun Cho, Dae Hwan Kim, In Sang Lee, Joung Sik Park, Sung Baek An, Seung Man Shin, Hwan Bum Kang