Patents by Inventor Gerardus A. A. F. Cornelissen

Gerardus A. A. F. Cornelissen 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).

  • X-ray tube having a magnetically supported rotary anode
    Patent number: 4322624
    Abstract: The invention relates to an X-ray tube. The tube has a rotary anode which is rotatably journalled by means of a magnetic bearing having a stator comprising a magnet yoke which intersects the outer walls of the tube and which is magnetizable by magnets arranged outside the tube. The magnet yoke comprises radially extending pole faces which enclose gaps in conjunction with radially extending pole faces of a rotor connected to the rotary anode. The rotor consists of a soft-magnetic disk, which provides the magnet yoke which closes the magnet yoke of the stator.
    Type: Grant
    Filed: March 10, 1980
    Date of Patent: March 30, 1982
    Assignee: U.S. Philips Corporation
    Inventors: Gerardus A. A. F. Cornelissen, Hendrik J. Gerrits, Evert M. H. Kamerbeek