Patents by Inventor Young-Chan Youk

Young-Chan Youk 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: 7779979
    Abstract: A synchronizing device for a manual transmission for synchronizing rotation speeds of a rotating shaft and a shift gear that includes in preferred aspects at least one first ring disposed on an exterior circumference of the rotating shaft and having an exterior sloped surface at its exterior circumference, at least one second ring disposed on an interior circumference of the shift gear and having an internal sloped surface contacting the exterior slope surface of the first ring, and an actuator unit applying an axial directional load to the at least one first ring or the at least one second ring.
    Type: Grant
    Filed: August 28, 2006
    Date of Patent: August 24, 2010
    Assignee: Hyundai Motor Company
    Inventor: Young Chan Youk
  • Publication number: 20070246320
    Abstract: A synchronizing device of a manual transmission for synchronizing rotation speeds of a rotating shaft and a shift gear includes a gear clutch that rotates with the shift gear and a synchronizer assembly. The synchronizer assembly includes a synchronizer ring; at least one first ring, having a slanted surface, between the synchronizer ring and the gear clutch; and at least one second ring with a slanted surface that contacts the slanted surface of the first ring.
    Type: Application
    Filed: October 30, 2006
    Publication date: October 25, 2007
    Inventor: Young Chan Youk
  • Publication number: 20070137969
    Abstract: A synchronizing device for a manual transmission for synchronizing rotation speeds of a rotating shaft and a shift gear that includes in preferred aspects at least one first ring disposed on an exterior circumference of the rotating shaft and having an exterior sloped surface at its exterior circumference, at least one second ring disposed on an interior circumference of the shift gear and having an internal sloped surface contacting the exterior slope surface of the first ring, and an actuator unit applying an axial directional load to the at least one first ring or the at least one second ring.
    Type: Application
    Filed: August 28, 2006
    Publication date: June 21, 2007
    Applicant: Hyundai Motor Company
    Inventor: Young Chan Youk
  • Patent number: 6848554
    Abstract: The synchronizer for a manual transmission ensures a spline-aligned during the coupling of the sleeve to the clutch gear. This prevents collision between the sleeve and the clutch gear and improves shifting motion.
    Type: Grant
    Filed: December 23, 2002
    Date of Patent: February 1, 2005
    Assignee: Hyundai Motor Company
    Inventor: Young-Chan Youk
  • Publication number: 20040040814
    Abstract: The synchronizer for a manual transmission ensures a spline-aligned during the coupling of the sleeve to the clutch gear. This prevents collision between the sleeve and the clutch gear and improves shifting motion.
    Type: Application
    Filed: December 23, 2002
    Publication date: March 4, 2004
    Inventor: Young-Chan Youk