Patents by Inventor Sangkyu Chai

Sangkyu Chai 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: 20100132654
    Abstract: The present invention is directed to a balance shaft module for a vehicle. In the balance shaft module of the present invention, an intermediate gear is covered by a baffle cover, thus making it possible to prevent air from mixing into the engine oil when an intermediate gear rotates. Further, since an intermediate gear is supported with increased support force by a gear shaft, to the present invention provides a reduction in noise and frictional wear and improves durability while considerably improving the NVH (Noise Vibration Harshness) performance of a vehicle.
    Type: Application
    Filed: December 3, 2009
    Publication date: June 3, 2010
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, METALDYNE KOREA LTD.
    Inventors: Byungsik Lee, Sangkyu Chai