Gas Turbine Engine Systems Involving Gear-Driven Variable Vanes
First Claim
Patent Images
1. A gas turbine engine system comprising:
- a ring gear assembly operative to be mounted within an engine casing; and
a vane module having a first vane airfoil and a first gear, the first gear being operative to engage the ring gear assembly such that movement of the ring gear alters a position of the first vane airfoil.
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Abstract
Gas turbine engine systems involving gear-driven variable vanes are provided. In this regard, a representative gas turbine engine system includes: a ring gear assembly operative to be mounted within an engine casing; and a vane module having a first vane airfoil and a first gear, the first gear being operative to engage the ring gear assembly such that movement of the ring gear alters a position of the first vane airfoil.
25 Citations
20 Claims
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1. A gas turbine engine system comprising:
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a ring gear assembly operative to be mounted within an engine casing; and a vane module having a first vane airfoil and a first gear, the first gear being operative to engage the ring gear assembly such that movement of the ring gear alters a position of the first vane airfoil. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A gas turbine engine comprising:
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a compressor; a combustion section operative to receive compressed air from the compressor; a turbine operative to drive the compressor; a casing operative to encase the turbine; and a gear-driven variable vane system having a ring gear assembly and a vane module, the ring gear assembly being mounted within an interior of the casing, the vane module having a first vane airfoil and a first gear, the first gear being operative to engage the ring gear assembly such that movement of the ring gear alters a position of the first vane airfoil. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A vane module for a gas turbine engine comprising:
an inner platform, an outer platform, a first vane airfoil and a first gear, the first vane airfoil extending between the inner platform and the outer platform, the vane module being operative to rotate the first vane airfoil relative to the inner platform and the outer platform, responsive to rotation of the first gear. - View Dependent Claims (19, 20)
Specification