F - Mech Eng,Light,Heat,Weapons – 02 – K
Patent
F - Mech Eng,Light,Heat,Weapons
02
K
F02K 1/60 (2006.01)
Patent
CA 2292750
The invention concerns a backblast gas structure for jet engine comprising a thrust reversal system with two downstream doors. The invention is characterised in that the two tilt-up doors articulated about axes (6, 7) are mounted on two side beams (2, 3) with free downstream edges (16, 17) comprising protuberances (18, 19). The door downstream edges (13, 14) having median zones (13b, 14b) forming an angle (A) with the lateral parts (13a, 14a), such that when the doors are in retracted position in direct jet, the beam (13b, 14b) edges (16, 17) of the doors are found in the same plane (P2), thereby constituting a gas exhaust outlet which is planar and substantially circular. The invention aims at improving the power package performance in direct jet.
La présente invention concerne une structure d'éjection des gaz pour moteur à réaction comportant un système d'inversion de poussée à deux portes aval. Selon l'invention, les deux portes basculantes articulées autour d'axes (6, 7), sont montées sur deux poutres latérales (2, 3) ayant des bords libres aval (16, 17) comportant des excroissances (18, 19). Les bords aval (13, 14) des portes présentent des zones médianes (13b, 14b) font un angle (A) avec les parties latérales (13a, 14a), de telle manière qu'en position de portes escamotées en jet direct, les bords (16, 17) des poutres (13b, 14b) des portes se trouvent dans un même plan (P2), constituant ainsi une sortie pour l'échappement des gaz qui est plane et sensiblement circulaire. L'invention permet d'améliorer les performances du groupe propulseur en jet direct.
Fournier Alain
Standish Robert
Hurel-Hispano Meudon
Mckay-Carey & Company
Societe de Construction Des Avions Hurel-Dubois
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