Patents by Inventor Kheng Yu Chong

Kheng Yu Chong 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).

  • Switching device
    Patent number: 11551898
    Abstract: A switching device is disclosed. In an embodiment a switching device includes at least one stationary contact and a movable contact in a switching chamber configured to contain a gas containing H2, wherein the movable contact is movable by a magnetic armature with a shaft, wherein the shaft projects through an opening in a yoke which is part of a magnetic circuit, and wherein a liner composed of a plastic is arranged in the opening of the yoke, the liner configured to guide the shaft.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: January 10, 2023
    Assignee: TDK ELECTRONICS AG
    Inventors: Robert Hoffmann, Kheng Yu Chong
  • Switching Device
    Publication number: 20210057178
    Abstract: A switching device is disclosed. In an embodiment a switching device includes at least one stationary contact and a movable contact in a switching chamber configured to contain a gas containing H2, wherein the movable contact is movable by a magnetic armature with a shaft, wherein the shaft projects through an opening in a yoke which is part of a magnetic circuit, and wherein a liner composed of a plastic is arranged in the opening of the yoke, the liner configured to guide the shaft.
    Type: Application
    Filed: May 3, 2019
    Publication date: February 25, 2021
    Inventors: Robert Hoffmann, Kheng Yu Chong