Patents by Inventor Chingwei M. Shieh

Chingwei M. Shieh 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).

  • Method and system for detecting a crack on a turbomachine blade
    Patent number: 8074499
    Abstract: Embodiments of the present invention may provide real-time monitoring of a compressor section to determine the possibility of a crack forming on a rotating blade. The present invention does not require the shutdown of the machine. The present invention may be configured to automatically raise an alarm if the acoustic signature of the compressor changes in way that may be consistent with the cracking of a blade.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: December 13, 2011
    Assignee: General Electric Company
    Inventors: Kevin W. Kinzie, Chingwei M. Shieh, Dongjai Lee
  • METHOD AND SYSTEM FOR DETECTING A CRACK ON A TURBOMACHINE BLADE
    Publication number: 20110150626
    Abstract: Embodiments of the present invention may provide real-time monitoring of a compressor section to determine the possibility of a crack forming on a rotating blade. The present invention does not require the shutdown of the machine. The present invention may be configured to automatically raise an alarm if the acoustic signature of the compressor changes in way that may be consistent with the cracking of a blade.
    Type: Application
    Filed: December 22, 2009
    Publication date: June 23, 2011
    Inventors: Kevin W. Kinzie, Chingwei M. Shieh, Dongjai Lee