Device for perforating an acoustic annular panel for a turbine engine
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United States of America Patent
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May 11, 2021
Grant Date -
Nov 1, 2018
app pub date -
Apr 26, 2018
filing date -
Apr 27, 2017
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Device for perforating an acoustic annular panel for a turbine engine, wherein it includes a perforation needle support ring, the ring having an axis A of revolution and being intended to be inserted substantially coaxially inside the panel, the ring being sectored and including ring sectors regularly distributed around the axis and each one radially mobile opposite the axis from a radially inner rest position up to a perforation position of the radially outer panel, and at least one rotating actuator of rotation axis A and mechanically connected to the ring sectors such that a rotation of the actuator leads to a radial movement of the ring sectors.
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