Support strut for supporting an afterburner heat shield

摘要

A heat shield (20) and support strut (66) for protecting a fuel injection tube (22) of a turbine engine afterburner section (24) are described. The heat shield (20) can be replaced in the afterburner section without moving or disconnecting the fuel injection tube (22). The heat shield includes a housing having an elongate internal channel and a mounting system including a head with a flat mounting surface. The housing may be telescoped over the fuel injection tube (22) to a mounting position in which the fuel injection tube extends longitudinally in the channel and the housing is attachable to the strut (66) without moving the housing transverse to a longitudinal axis of the fuel injection tube (22), The support strut (66) includes a body having an outer end for attachment to an outer wall (40) of the afterburner section, an inner end, and a passage extending through the body from its outer end to its inner end for receiving the fuel injection tube (22). The inner end has a cavity therein for receiving the head of the heat shield (20). The cavity is sized and shaped for a close fit of the head in the cavity. The body has a generally flat mounting surface in the cavity for engagement by the flat mounting surface of the head whereby the head may be placed in the cavity to mount the heat shield (20) on the strut (66) with the mounting surfaces in face to face engagement to form a solid connection. <IMAGE>