Device for closing and opening in the leading edge of a wing
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United States of America Patent
Stats
-
Nov 14, 1989
Grant Date -
N/A
app pub date -
Sep 4, 1988
filing date -
May 6, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A shutter arrangement for closing an aperture formed in the fixed leading edge of an aircraft wing when a track supported slat moves from a stowed, cruise configuration in which it lies adjacent the fixed wing portion to a high light configuration in which it is spaced from the wing to define a slot. The aperture, which exist to accommodate the slat to track attachment `knuckles`, may induce undesirable flow disturbance in the slot formed between the slat and the fixed leading edge. The present invention provides a hinged retractable shutter for closing off the aperture when the slat is deployed. In the preferred arrangement the shutter is of multi-panelled hinged configuration and, in one described arrangement is of one-piece moulded composite rubber construction.
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