Fuel injection bar for ramjet engine operating at high mach...

Details Fuel injection bar for ramjet engine operating at high mach... Fuel injection bar for ramjet engine operating at high mach...

F - Mech Eng,Light,Heat,Weapons

02

K

F02K 9/52 (2006.01) F02K 7/10 (2006.01)

Patent

CA 2207837

- Fuel injection bar (6) for a ramjet engine designed to operate at a high Mach number. - According to the invention, the said bar comprises a body (10) of carbon-carbon composite, in which is arranged a row of elementary injectors, and a nose piece (11) consisting of a thin skin of carbon-carbon composite at least approximately in the shape of a dihedral of which the apex (11A) has a radius (r) of curve not exceeding 2 mm and which describes an angle not exceeding 15 degrees. In the said body (10), are arranged means (23, 27) of injecting a coolant fluid into the sealed chamber (18), the said means of injection producing multiple jets of coolant fluid under pressure striking the concave face of the said skin (11).

- Mât (6) d'injection de combustible pour un statoréacteur destiné à fonctionner à un nombre de Mach élevé. - Selon l'invention, ledit mât comporte un corps (10) de composite carbone-carbone, dans lequel est agencée une rampe d'injecteurs élémentaires, et une pièce d'étrave (11) constituée par une peau mince de composite carbone-carbone en forme au moins approximative d'un dièdre dont l'arête (11A) présente un rayon de courbure (r) au plus égal à 2 mm et dont l'angle est au plus égal à 15°. Dans ledit corps (10), sont agencés des moyens (23, 27) d'injection d'un fluide de refroidissement dans la chambre étanche (18), lesdits moyens d'injection engendrant une pluralité de jets de fluide de refroidissement sous pression frappant la face concave de ladite peau (11).

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