Patent ID: 7574866

Claim:
A double flow turbo-jet engine, including a re-heating channel of a primary flow, a secondary flow emerging at least partially in the primary flow upstream of the re-heating channel, wherein upstream is defined with respect to a direction of flow of exhaust gases through said turbo-jet engine, the re-heating channel including a burner ring, including a flame holder gutter in the form of a ring portion whereof an upstream section is situated in the secondary flow, receiving a fuel manifold and a protective tubular screen of the manifold, wherein the gutter includes an upstream recess linked with the secondary flow, and the screen includes, on its upstream section, at least one ventilation orifice of a space situated between the screen and the manifold, wherein the manifold includes at least one pair of fuel spraying orifices, the screen includes at least one pair of corresponding orifices, and wherein a ventilation orifice is drilled on the screen at a same angular position for the pair of orifices.