Importance

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Abstract

An anti-icing system for a nacelle inlet of an aircraft engine includes a spray tube for directing hot gasses toward a portion of the nacelle inlet. The spray tube includes a plurality of sections arranged such that the ends of adjacent sections are separated by a space thereby defining a thermal expansion gap between the sections. A plurality of expansion joints interconnect adjacent ends of the spray tube sections and enclose the expansion gaps. The joints allow the spray tube to expand and contract without adversely affecting the performance or structure of the spray tube. Annular sealing elements positioned in opposed axial margins of the expansion joints provide an air-tight or nearly air-tight seal between the expansion joints and the spray tube sections.

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First Claim