LEVER-ARM VIBRATION DAMPER FOR A ROTOR OF A GAS TURBINE ENGINE
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United States of America Patent
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N/A
Issued Date -
Mar 15, 2012
app pub date -
Jul 11, 2011
filing date -
Jul 12, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A vibration damper for a rotor blade of a gas turbine engine, includes a plate for placing between an inner bearing surface and an outer bearing surface of the rotor, the bearing surfaces extending in directions that are substantially axial and being radially spaced apart from each other, the plate being folded so as to form two plate portions that are inclined relative to each other, the mass of the plate being distributed in such a manner that its center of gravity is situated on the side of one of these plate portions, the free end of the other plate portion being designed to bear radially against the inner bearing surface, and the junction zone between the two plate portions being designed to bear radially against the outer bearing surface under the effect of centrifugal force when the rotor is rotating so as to provide axial sealing against gas.
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