F - Mech Eng,Light,Heat,Weapons – 02 – K
Patent
F - Mech Eng,Light,Heat,Weapons
02
K
F02K 1/70 (2006.01)
Patent
CA 2197157
thrust inverter for a bypass turbojet with pivoting doors (7) which, during undeflected thrust, are flush with the outer wall of the nacelle and, during thrust inversion, become obstacles causing flow deviation when they are pivoted open by a ram (8). An internal upstream panel (20) doubles the inner surface of each door (7); the door (7) and its upstream panel (20) both turn on their respective pivots (27, 28). The door (7) and the upstream panel (20) are connected by a "three-point" connecting rod (30) that is hinged at one point (31) to a support (32) that is integral with the upstream panel (30), at a second point (33) to the door (7) and at a third point (34) to the end of the control ram (8), so that no opening torque is transmitted to the door (7) during undeflected thrust by the pressure exerted on the upstream panel (20).
Un inverseur de poussée de turboréacteur à double flux comporte des portes pivotantes (7) intégrées en jet direct dans la paroi extérieure de nacelle et constituant des obstacles de déviation de flux en inversion de poussée après pivotement sous l'action d'un vérin (8). Un panneau amont interne (20) double la face interne de chaque porte (7), la porte (7) et le panneau amont (20) pivotant autour de pivots respectifs indépendants (27, 28). La liaison entre la porte (7) et le panneau amont (20) est assurée par une bielle (30) dite à trois points, articulée en un premier point (31) sur un support (32) solidaire du panneau amont (30), en un deuxième point (33) sur la porte (7) et en un troisième point (34) sur l'extrémité de tige du vérin de commande (8) de manière qu'aucun couple d'ouverture ne soit transmis à la porte (7) en jet direct par les efforts de pression exercés sur le panneau amont (20).
Goudreau Gage Dubuc
Hispano-Suiza Aerostructures
Societe Hispano Suiza
LandOfFree
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