B - Operations – Transporting – 64 – D
Patent
B - Operations, Transporting
64
D
B64D 27/26 (2006.01) B64D 27/18 (2006.01)
Patent
CA 2432497
The invention concerns a suspension part (1) comprising ends supporting connecting rods (8 and 9) articulated to a turbojet engine (3) which is constructed such that the ends form a pair of yokes (5) separated by a slot (19) bisecting the part (1) over part of its length so as to stop fatigue crack propagation (20). The fixing elements (11) comprising lock bolts (13) are arranged in enlarged portions (15) of the yokes (5) which extend above the connecting rods (8) and (9), thereby ensuring static resistance of the yokes (5) when the counterpart has given way. Said arrangement also reduces cantilever between the fixing elements (11) and the connecting rod (8) and (9).
La pièce de suspension (1) et qui comprend des extrémités de soutien de bielles (8 et 9) articulés à un turboréacteuur (3) est construite de façon que les extrémités forment une paris de chapes (5) séparées par une fente (19) coupant la pièece (1) sur une partie de sa longueur afin d'arrêter la propagation de fissures de fatigue (20). Les éléments de fixation (11) comprenant des écrous à barillet (13) sont disposés dans des portions élargies (15) des chapes (5) qui sétendent au-dessus des bielles (8) et (9), ce qui garantit la résistance statique des charpes (5) quand leur collègue a cédé. On constate aussi que le porte-à-faux entre les éléments de fixation 811) et la bielle (8 ou 9) est réduit.
Brefort Francois
Chevalier Lydie
Pasquer Felix Jean-Claude
Picard Jean-Louis
Goudreau Gage Dubuc
Snecma
Snecma Moteurs
LandOfFree
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