Patents by Inventor Jung Seok Do

Jung Seok Do 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: 9909646
    Abstract: A dynamic damper for a drive shaft may include a mass part fixed to the drive shaft, and a clamping band fixing the mass part to the drive shaft, to attenuate vibration and noise of the drive shaft, in which the clamping band may include a metallic inner banding member disposed on an outer surface of the drive shaft to correct a decrease in damping frequency when a temperature is increased, and an annular outer banding member disposed outside the inner banding member and pressing the inner banding member against the drive shaft to increase rigidity of the damper when the temperature is increased.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: March 6, 2018
    Assignee: Hyundai Motor Company
    Inventors: Byoungho Kwon, Jung Seok Do
  • Publication number: 20160281817
    Abstract: A dynamic damper for a drive shaft may include a mass part fixed to the drive shaft, and a clamping band fixing the mass part to the drive shaft, to attenuate vibration and noise of the drive shaft, in which the clamping band may include a metallic inner banding member disposed on an outer surface of the drive shaft to correct a decrease in damping frequency when a temperature is increased, and an annular outer banding member disposed outside the inner banding member and pressing the inner banding member against the drive shaft to increase rigidity of the damper when the temperature is increased.
    Type: Application
    Filed: November 3, 2015
    Publication date: September 29, 2016
    Applicant: Hyundai Motor Company
    Inventors: Byoungho KWON, Jung Seok Do