Patent ID: 7600383

Claim:
A turbojet including an afterburner channel for heating of a gas stream, at least one injection device for injecting fuel into the gas stream, the injection device comprising: an open chamber, with a U-shaped section, having at least one wall and within which extends a fuel injector that injects fuel in at least one direction, a cooling jacket in the open chamber, alongside the base of the U-shaped section, a protection device interposed between the fuel injector and the wall, in a fuel-injection direction so as to prevent a direct impact of the fuel from said fuel injector onto said wall, and a protective screen positioned downstream of said fuel injector and configured to protect the fuel injector tube from ignited fuel, wherein said protection device is located between said protective screen and said wall, and wherein said protection device and said protective screen are configured and positioned with respect to each other so as to define channels between said protection device and said protective screen for the fuel to be ejected through said channels and beyond said wall of the open chamber before being ignited.