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TURBINE APPARATUS

  • US 20090129916A1
  • Filed: 11/04/2008
  • Published: 05/21/2009
  • Est. Priority Date: 11/19/2007
  • Status: Active Grant
First Claim
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1. A gas turbine engine comprising:

  • a rotor and a stator which define first, second and third cavities;

    the rotor having an aperture through which a gas flow passes from the first cavity to the second cavity;

    a seal configured between said rotor and stator for providing a sealing between the second and third cavities; and

    a seal flow control feature that extends axially over at least a portion of the aperture to deflect at least a part of the gas towards the rotor.

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