Patent ID: 7886542
Filing Date: 2011-02-15
Classification: F23R

Abstract:
1. An attachment device for attaching an afterburner to a turbojet casing, the afterburner comprising a flame-arrestor arm comprising first and second legs each with a longitudinal portion extending longitudinally, an attachment flange extending transversely, and a curvature portion connecting the longitudinal portion with the attachment flange, the attachment device comprising: a transverse plate which attaches to an inner radial surface of the casing; and first and second brackets which support said first and second longitudinal legs, respectively, each of the first and second brackets including a thickened base portion with a transverse flat face which abuts the transverse plate and a leg portion extending longitudinally from the base portion, wherein the transverse flat face is parallel to the transverse plate and perpendicular to the leg portion for each of the first and second brackets, wherein the leg portion of each of the first and second brackets is parallel to the longitudinal portion of each of the first and second legs, wherein an inner surface of the longitudinal portion of the first and second legs abuts an outer surface of the leg portion of the first and second brackets, respectively, and wherein a fillet is provided between the base portion and the leg portion in each of the first and second brackets.