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Parallel serpentine cooled blade

  • US 20070128032A1
  • Filed: 12/05/2005
  • Published: 06/07/2007
  • Est. Priority Date: 12/05/2005
  • Status: Active Grant
First Claim
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1. A turbine blade comprising:

  • an airfoil integrally joined to a mounting dovetail;

    said airfoil including opposite pressure and suction sidewalls joined together at chordally opposite leading and trailing edges and extending longitudinally in span from root to tip;

    a first serpentine cooling circuit disposed inside said airfoil along said pressure sidewall;

    a second serpentine cooling circuit disposed inside said airfoil along said suction sidewall in parallel with said first circuit, and sharing common partitions therewith;

    a third cooling circuit disposed between said leading edge and said first and second circuits, and separated from each other by imperforate partitions in independent circuits; and

    each of said first, second, and third circuits terminates in a corresponding row of outlet holes extending through said airfoil in flow communication with a corresponding outlet channel thereof.

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