Aircraft landing gear with highly offset strut pivot axis

Details Aircraft landing gear with highly offset strut pivot axis Aircraft landing gear with highly offset strut pivot axis

B - Operations, Transporting

64

C

B64C 25/10 (2006.01)

Patent

CA 2400113

The invention concerns an aircraft landing gear, comprising a strut (11) consisting of a strut assembly (12) wherein slides a telescopic rod (13) with axis (Z), said strut assembly being articulated on an aircraft structure capable of pivoting about an axis (X) highly offset relative to the sliding axis (Z). The invention is characterised in that the landing gear (10) comprises a linking structure (100) essentially consisting of two panels (101, 102) connecting two axially offset points of the strut assembly (12) to a common axle structure (103) extending along the strut assembly pivot axis (X). When the landing gear is in down position, the panels (101, 102) are perpendicular to each other, the upper panel (101) being linked to the strut assembly (12) by a high tie bar (105) which is torsionally rigid, while the lower panel (102) is linked to the strut assembly (12) by a low tie bar (106) which torsionally flexible, so as to allow skewness of the strut assembly (12) for turning manoeuvres of the aircraft on the ground.

L'invention concerne un atterrisseur d'aéronef, du type comportant une jambe (11) constituée par un caisson (12) dans lequel coulisse une tige télescopique (13) d'axe (Z), ledit caisson étant articulé sur une structure d'aéronef en pouvant pivoter autour d'un axe (X) fortement déporté par rapport à l'axe de coulissement (Z). Conformément à l'invention, l'atterrisseur (10) comporte une structure de liaison (100) essentiellement constituée par deux panneaux (101, 102) reliant deux points axialement décalés du caisson (12) à une structure d'axe commune (103) s'étendant suivant l'axe de pivotement (X) du caisson. En position train bas, les panneaux (101, 102) sont à l'aplomb l'un de l'autre, le panneau supérieur (101) étant relié au caisson (12) par une attache haute (105) qui est rigide en torsion, tandis que le panneau inférieur (102) est relié au caisson (12) par une attache basse (106) qui est tolérante en torsion, de façon à autoriser un certain gauchissement du caisson (12) lors des manoeuvres de virage de l'aéronef au sol.

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