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FILM RIDING PRESSURE ACTUATED LEAF SEAL ASSEMBLY

  • US 20110304101A1
  • Filed: 06/11/2010
  • Published: 12/15/2011
  • Est. Priority Date: 06/11/2010
  • Status: Active Grant
First Claim
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1. A leaf seal assembly for use between a rotating component and a stationary component in a turbomachine, the leaf seal assembly comprising:

  • a leaf seal including at least one set of leaf seal members, each leaf seal member having a planar surface having an areal dimension; and

    a runner coupled to a distal end of at least one leaf seal member of the at least one set of leaf seal members, wherein the at least one leaf seal member maintains the runner in a first position away from the rotating component in an unpressurized inoperative state and moves the runner to a second position, close to, but not contacting, the rotating component in a pressurized operative state.

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