Patents by Inventor Ganghuan Ruan

Ganghuan Ruan 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).

  • Corona ignition device and method for its manufacture
    Patent number: 8217560
    Abstract: The invention relates to an ignition device for igniting fuel in an internal combustion engine by means of a corona discharge, comprising an ignition electrode, an outer conductor which surrounds the ignition electrode and has a forward end and a rear end, and an electrical insulator which is arranged between the ignition electrode and the outer conductor, wherein the insulator and the ignition electrode project beyond the forward end of the outer conductor in longitudinal direction and the ignition electrode comprises a plurality of electrode branches which each start from a base point, wherein the insulator extends beyond the base points in longitudinal direction. According to the invention an end surface of the electrode branches is uncovered.
    Type: Grant
    Filed: August 30, 2011
    Date of Patent: July 10, 2012
    Assignee: BorgWarner BERU Systems GmbH
    Inventors: Thomas Giffels, Timo Stifel, Steffen Bohne, Ganghuan Ruan, Helmut Mueller
  • Corona ignition device and method for its manufacture
    Publication number: 20120056522
    Abstract: The invention relates to an ignition device for igniting fuel in an internal combustion engine by means of a corona discharge, comprising an ignition electrode, an outer conductor which surrounds the ignition electrode and has a forward end and a rear end, and an electrical insulator which is arranged between the ignition electrode and the outer conductor, wherein the insulator and the ignition electrode project beyond the forward end of the outer conductor in longitudinal direction and the ignition electrode comprises a plurality of electrode branches which each start from a base point, wherein the insulator extends beyond the base points in longitudinal direction. According to the invention an end surface of the electrode branches is uncovered.
    Type: Application
    Filed: August 30, 2011
    Publication date: March 8, 2012
    Inventors: Thomas GIFFELS, Timo STIFEL, Steffen BOHNE, Ganghuan RUAN, Helmut MUELLER