Patents by Inventor Janarthanan Venkataraghavan

Janarthanan Venkataraghavan 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).

  • Integrated fuel gas characterization system
    Patent number: 7854110
    Abstract: A gas turbine engine that includes a compressor, a combustion stage, a turbine assembly, a fuel gas feed system for supplying fuel gas to a combustion stage of the gas turbine, and an integrated fuel gas characterization system. The integrated fuel gas feed system can include a buffer tank. The integrated fuel gas characterization system for determining the amount of energy provided by the fuel prior to combustion of the fuel in the combustion stage. The integrated fuel gas characterization system minimizes megawatt swings by adjusting the operating parameters of the gas turbine engine based on the rate of change in fuel gas energy content. The integrated fuel gas characterization system also provides improved turbine engine start-up reliability by tuning the turbine engine operating parameters using fuel gas energy content measurements obtained prior to actual start-up.
    Type: Grant
    Filed: October 15, 2007
    Date of Patent: December 21, 2010
    Assignee: Siemens Energy, Inc.
    Inventors: Matthew J. LaGrow, Damien G. Teehan, Chandrashekar Brahmasandra, Janarthanan Venkataraghavan
  • Integrated Fuel Gas Characterization System
    Publication number: 20080115482
    Abstract: A gas turbine engine that includes a compressor, a combustion stage, a turbine assembly, a fuel gas feed system for supplying fuel gas to a combustion stage of the gas turbine, and an integrated fuel gas characterization system. The integrated fuel gas feed system can include a buffer tank. The integrated fuel gas characterization system for determining the amount of energy provided by the fuel prior to combustion of the fuel in the combustion stage. The integrated fuel gas characterization system minimizes megawatt swings by adjusting the operating parameters of the gas turbine engine based on the rate of change in fuel gas energy content. The integrated fuel gas characterization system also provides improved turbine engine start-up reliability by tuning the turbine engine operating parameters using fuel gas energy content measurements obtained prior to actual start-up.
    Type: Application
    Filed: October 15, 2007
    Publication date: May 22, 2008
    Applicant: SIEMENS POWER GENERATION, INC.
    Inventors: Matthew J. LaGrow, Damien G. Teehan, Chandrashekar Brahmasandra, Janarthanan Venkataraghavan