Patents by Inventor Roger Kastelic

Roger Kastelic 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).

  • Utilizing inlet bleed heat to improve mixing and engine turndown
    Patent number: 8001789
    Abstract: An improved inlet bleed heat system for a gas turbine engine is disclosed. The inlet bleed heat system provides improved mixing in an inlet region while permitting the engine to be operated at lower power settings. The inlet bleed heat system comprises a supply conduit, a plurality of feed tubes extending from the supply conduit, and a guide tube for receiving opposing ends of the feed tubes. The plurality of feed tubes each have a plurality of injection orifices and the feed tubes are oriented such that the injection orifices generally face into a flow of oncoming air with the feed tubes being positioned forward of a plurality of sound attenuating baffles.
    Type: Grant
    Filed: March 26, 2008
    Date of Patent: August 23, 2011
    Assignee: Alstom Technologies Ltd., LLC
    Inventors: Santiago Vega, Charlie Ellis, Roger Kastelic, James Leahy, Janak Raguraman
  • UTILIZING INLET BLEED HEAT TO IMPROVE MIXING AND ENGINE TURNDOWN
    Publication number: 20090241552
    Abstract: An improved inlet bleed heat system for a gas turbine engine is disclosed. The inlet bleed heat system provides improved mixing in an inlet region while permitting the engine to be operated at lower power settings. The inlet bleed heat system comprises a supply conduit, a plurality of feed tubes extending from the supply conduit, and a guide tube for receiving opposing ends of the feed tubes. The plurality of feed tubes each have a plurality of injection orifices and the feed tubes are oriented such that the injection orifices generally face into a flow of oncoming air with the feed tubes being positioned forward of a plurality of sound attenuating baffles.
    Type: Application
    Filed: March 26, 2008
    Publication date: October 1, 2009
    Applicant: ALSTOM TECHNOLOGIES, LTD., LLC
    Inventors: SANTIAGO VEGA, CHARLIE ELLIS, ROGER KASTELIC, JAMES LEAHY, JANAK RAGURAMAN