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Airfoil isolated leading edge cooling

  • US 6,168,381 B1
  • Filed: 06/29/1999
  • Issued: 01/02/2001
  • Est. Priority Date: 06/29/1999
  • Status: Expired due to Term
First Claim
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1. A turbine blade comprising:

  • airfoil pressure and suction sidewalls joined together at leading and trailing edges and extending from a root to tip;

    a leading edge flow chamber disposed between said sidewalls and behind said leading edge;

    pressure and suction side flow channels laterally bounding an isolation flow channel therebetween and extending continuously over the full chordal length thereof, and separated from said leading edge chamber by a forward bridge therebetween; and

    a row of feed holes disposed through said forward bridge in flow communication between said isolation channel and said leading edge chamber for channeling a coolant therethrough.

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