Autonomous slat-cove-filler device for reduction of aeroacoustic noise associated with aircraft systems

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United States of America Patent

PATENT NO 10272987
APP PUB NO 20160137284A1
SERIAL NO

15005338

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Abstract

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A slat cove filler is utilized to reduce airframe noise resulting from deployment of a leading edge slat of an aircraft wing. The slat cove filler is preferably made of a super elastic shape memory alloy, and the slat cove filler shifts between stowed and deployed shapes as the slat is deployed. The slat cove filler may be configured such that a separate powered actuator is not required to change the shape of the slat cove filler from its deployed shape to its stowed shape and vice-versa. The outer contour of the slat cove filler preferably follows a profile designed to maintain accelerating flow in the gap between the slat cove filler and wing leading edge to provide for noise reduction.

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Patent Owner(s)

  • THE UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF NASA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Khorrami, Mehdi R Norfolk, US 13 98
Kidd, Reggie T Hampton, US 3 31
Lockard, David P Hampton, US 6 49
Streett, Craig L Virginia Beach, US 5 38
Turner, Travis L Yorktown, US 11 70
Weber, Douglas Leo Hayes, US 2 22

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