| 摘要 |
A leading edge member (1a) of an airfoil (V) of an aircraft has an outside wall (5a) and a de-icing device of the type for circulating hot air in the direction of the span of said airfoil. Said device includes a) a hot air distribution duct (15a) extending inside said leading edge member in said direction and having a plurality of orifices (25 a) distributed over at least part of its length, and b) hot air supply means (19a) communicating with one end (17a) of said distribution duct (15a; 15b). Said hot air supply means (19a) are adapted to be connected by ducts (C) located outside said leading edge member to at least one propulsion engine ( M) of said aircraft.
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