Patents by Inventor Philip S. Foster

Philip S. Foster 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 for turbine maintenance
    Publication number: 20090132202
    Abstract: A turbine and method for determining turbine maintenance. The method for determining hot gas path turbine maintenance comprises recording a number of part load starts (79), base load starts (89), fast starts (141), full speed no load trips (231), and load trips (237); forming a weighted equivalent starts as a weighted summation of part load starts, base load starts, fast starts, full speed no load trips, and load trips; comparing the weighted equivalent starts to a predetermined threshold; and initiating the maintenance procedure.
    Type: Application
    Filed: October 28, 2005
    Publication date: May 21, 2009
    Inventors: Ronald Stephen Walker, Philip S. Foster