F - Mech Eng,Light,Heat,Weapons – 02 – K
Patent
F - Mech Eng,Light,Heat,Weapons
02
K
F02K 3/072 (2006.01) F01D 5/02 (2006.01) F02C 3/067 (2006.01) F02C 3/10 (2006.01) F02C 7/36 (2006.01)
Patent
CA 2754175
The invention relates to a turbine (18) for driving a planetary gear (16) and an epicyclic gear train (17), further including a satellite holder (14) and a wheel (10) for rotating two propellers, wherein said turbine is connected to the planetary gear by means of a flexible sleeve (22) surrounding a turbine-supporting shaft (19) rather than by means of the supporting shaft itself, so as to provide a mounting that is flexible with an abutment position against the shaft (19) in order to relieve the epicyclic gear train (17) from parasitic inner stresses without allowing for a loose mounting or a breakage of the sleeve due to the abutment condition once the clearance (27) has disappeared.
Une turbine (18) d'entraînement d'une roue planétaire (16) et d'un train épicycloïdal (17) comprenant encore un porte-satellites (14) et une couronne (10) de mise en rotation de deux hélices est reliée à la roue planétaire par un manchon souple (22) entourant un arbre de support de turbine (19) plutôt que par l'arbre de support lui-même de façon à réaliser un montage souple avec une position de butée contre l'arbre (19) de manière à soulager le train épicycloïdal (17) d'efforts internes parasites sans tolérer un montage lâche ou une rupture du manchon grâce à l'état de butée après la disparition du jeu (27).
Charier Gilles Alain
Gallet Francois
Goudreau Gage Dubuc
Snecma
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