Patents by Inventor Eu-Gene Chang

Eu-Gene 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).

  • Hydraulic pressure control apparatus for a brake system of a vehicle
    Patent number: 6688706
    Abstract: In order to improve precision and reliability of a hydraulic pressure control apparatus for a brake system of a vehicle, this invention provides a hydraulic pressure control apparatus for a brake system of a vehicle including a control unit for controlling operation of the hydraulic pressure control apparatus, a pressurized fluid generating unit for pressurizing brake fluid and supplying the pressurized fluid, and a hydraulic pressure distributing unit for mechanically selecting and transmitting at least one of hydraulic pressure of the pressurized fluid supplied from the pressurized fluid generating unit and hydraulic pressure supplied from a master cylinder of the brake system to a wheel brake cylinder of the brake system.
    Type: Grant
    Filed: April 2, 2002
    Date of Patent: February 10, 2004
    Assignee: Hyundai Motor Company
    Inventor: Eu-Gene Chang
  • Hydraulic pressure control apparatus for a brake system of a vehicle
    Publication number: 20020180261
    Abstract: In order to improve precision and reliability of a hydraulic pressure control apparatus for a brake system of a vehicle, this invention provides a hydraulic pressure control apparatus for a brake system of a vehicle including a control unit for controlling operation of the hydraulic pressure control apparatus, a pressurized fluid generating unit for pressurizing brake fluid and supplying the pressurized fluid, and a hydraulic pressure distributing unit for mechanically selecting and transmitting at least one of hydraulic pressure of the pressurized fluid supplied from the pressurized fluid generating unit and hydraulic pressure supplied from a master cylinder of the brake system to a wheel brake cylinder of the brake system.
    Type: Application
    Filed: April 2, 2002
    Publication date: December 5, 2002
    Inventor: Eu-Gene Chang