TURBINE ENGINE COMPRESSOR WITH VARIABLE-PITCH BLADES
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United States of America Patent
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Apr 27, 2017
app pub date -
Apr 1, 2015
filing date -
Apr 8, 2014
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Abstract
A turbine engine compressor has at least one annular row of variable-pitch stator vanes that are substantially radial and have pivots at their radial ends. The radially outer pivots of the vanes are received in first openings in a stator casing and the radially inner pivots are received in second openings in a floating ring that surrounds a rotor of the compressor. An annular stator part is inserted between the floating ring and the rotor of the compressor, and first sealing means are mounted between the stator part and the rotor of the compressor. Second sealing means are mounted between the floating ring and the stator part.
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