B - Operations – Transporting – 64 – C
Patent
B - Operations, Transporting
64
C
B64C 11/30 (2006.01) B63H 3/06 (2006.01) B63H 3/08 (2006.01) B63H 5/10 (2006.01) B64C 11/48 (2006.01) B64D 35/06 (2006.01)
Patent
CA 2753045
The device according to the invention includes a pair of counter-rotating propellers suitable for being modified by an actuator (31) located in a central recess of the shafts. The system for transporting energy to the actuator (31) includes a conduit (34) entering a static casing (5) in the proximity of a planetary gear train (17), as well as control ducts (38) leading to the actuator (31) and passing through the planet carrier (14) of a planetary gear train (17). The junction is provided by a dynamic seal with a manifold. Said path avoids the high-temperature turbine.
Le dispositif comprend une paire d'hélices contrarotatives à pas variable pouvant être modifiées par un actionneur (31) situé dans une cavité centrale des arbres. Le système d'acheminement de l'énergie à l'actionneur (31) comprend un conduit (34) passant dans un carter statique (5) à proximité d'un train épicycloïdal (17), puis des conduits de commande (38) menant à l'actionneur (31) et traversant le porte-satellites (14) d'un train épicycloïdal (17). La jonction s'effectue par un joint dynamique à collecteur. Cet acheminement évite la turbine à haute température.
Balk Wouter
Gallet Francois
Goudreau Gage Dubuc
Snecma
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