Patent ID: 7856828
Filing Date: 2010-12-28
Classification: F23R

Abstract:
1. A flameholder arm for an afterburner, comprising: a body in the form of an open dihedron, the body including a base disposed at a radially innermost end of the body and an orifice which is disposed in the base of the body; a ventilation duct which extends inside the body and includes a centering finger at a radially innermost end of the ventilation duct which is engaged in the orifice disposed in the base of the body and a transverse lip which extends inside the body of the arm towards an open face of the dihedron; a fuel injection harness which extends inside the body along the ventilation duct, and a heatshield fixed to the body and which closes the open face of the dihedron, wherein the ventilation duct is immobilized in the body of the arm independent of the heatshield, wherein the transverse lip includes a guide orifice which centers the fuel injection harness, and wherein a space is provided between the transverse lip and the heatshield.