Patents by Inventor Paul A. Zayicek

Paul A. Zayicek 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).

  • Inspection of shrunk-on steam turbine disks using advanced ultrasonic techniques
    Patent number: 6736011
    Abstract: A method of ultrasonically testing the disk bore and keyway area of a shrunk-on steam turbine rotor disk or hub is provided. The method employs a one or more scanning ultrasonic phased linear array probes mounted on the disk to inspect the disk bore and keyway area on the opposite side of the disk.
    Type: Grant
    Filed: December 4, 2001
    Date of Patent: May 18, 2004
    Assignee: Electric Power Research Institute, Inc.
    Inventors: Paul A. Zayicek, Greg P. Selby, Mark A. Dennis
  • Inspection of shrunk-on steam turbine disks using advanced ultrasonic techniques
    Publication number: 20020088282
    Abstract: A method of ultrasonically testing the disk bore and keyway area of a shrunk-on steam turbine rotor disk or hub is provided. The method employs a one or more scanning ultrasonic phased linear array probes mounted on the disk to inspect the disk bore and keyway area on the opposite side of the disk.
    Type: Application
    Filed: December 4, 2001
    Publication date: July 11, 2002
    Inventors: Paul A. Zayicek, Greg P. Selby, Mark A. Dennis