Patents by Inventor Stephen W. Tesh

Stephen W. Tesh 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).

  • Methods, apparatus and systems concerning the circumferential clocking of turbine airfoils in relation to combustor cans and the flow of cooling air through the turbine hot gas flowpath
    Patent number: 8087253
    Abstract: A method of operating a turbine engine, wherein the turbine engine includes a compressor, a combustor, a turbine, a plurality of successive axially stacked stages that include a row of circumferentially spaced stator blades and circumferentially spaced rotor blades, and a plurality of circumferentially spaced injection ports disposed upstream of a first row of stator blades in the turbine; the injection ports comprising a port through which cooling air is injected into the hot-gas path of the turbine, the method comprising: configuring the stator blades in the first row of stator blades such that the circumferential position of a leading edge of one of the stator blades is located within +/?15% pitch of the first row of stator blades of the circumferential location of the injection port midpoint of at least a plurality of the injection ports.
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: January 3, 2012
    Assignee: General Electric Company
    Inventors: Wei Ning, Stephen W. Tesh, Gunnar L. Siden, Bradley T. Boyer
  • METHODS, APPARATUS AND SYSTEMS CONCERNING THE CIRCUMFERENTIAL CLOCKING OF TURBINE AIRFOILS IN RELATION TO COMBUSTOR CANS AND THE FLOW OF COOLING AIR THROUGH THE TURBINE HOT GAS FLOWPATH
    Publication number: 20100122538
    Abstract: A method of operating a turbine engine, wherein the turbine engine includes a compressor, a combustor, a turbine, a plurality of successive axially stacked stages that include a row of circumferentially spaced stator blades and circumferentially spaced rotor blades, and a plurality of circumferentially spaced injection ports disposed upstream of a first row of stator blades in the turbine; the injection ports comprising a port through which cooling air is injected into the hot-gas path of the turbine, the method comprising: configuring the stator blades in the first row of stator blades such that the circumferential position of a leading edge of one of the stator blades is located within +/?15% pitch of the first row of stator blades of the circumferential location of the injection port midpoint of at least a plurality of the injection ports.
    Type: Application
    Filed: November 20, 2008
    Publication date: May 20, 2010
    Inventors: Wei Ning, Stephen W. Tesh, Gunnar L. Siden, Bradley T. Boyer