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Inner diameter variable vane actuation mechanism

  • US 7,690,889 B2
  • Filed: 07/20/2005
  • Issued: 04/06/2010
  • Est. Priority Date: 07/20/2005
  • Status: Expired due to Fees
First Claim
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1. A variable stator vane actuation system for use in a turbine engine having a first fan case having a first array of variable vanes and second fan case having a second array of variable vanes, the actuation system comprising:

  • an inner diameter shroud for encasing an inner diameter synchronizing mechanism and receiving inner diameter ends of the first and second arrays of variable vanes;

    a first drive vane arm for supplying a rotational force to a first drive vane of the first array of variable vanes;

    a second drive vane arm for supplying a rotational force to a second drive vane of the second array of variable vanes; and

    a linkage for connecting the first drive vane arm and the second drive vane arm to coordinate rotation of the first and second arrays of variable vanes.

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