B - Operations – Transporting – 64 – C
Patent
B - Operations, Transporting
64
C
B64C 11/06 (2006.01) F16C 19/54 (2006.01) F16C 25/06 (2006.01) F16C 43/06 (2006.01)
Patent
CA 2228448
A bearing arrangement, for example, for a variable pitch propeller, has a fluid operated actuator (42, 34, 40) for causing relative movement between bearing surfaces of races (12, 32) so as to preload bearings (30) held therebetween. Mechanical locking means (34, 36, 38) is provided to maintain the bearings under preload when the fluid pressure is released from the actuator.
Agencement de roulements, par exemple, pour une hélice à pas variable, possédant un organe de commande hydraulique (42, 34, 40) servant à provoquer un déplacement relatif entre les surfaces de contact de bagues (12, 32), de manière à précharger les roulements (30) maintenus entre ces bagues. Des moyens de verrouillage mécanique (34, 36, 38) servent à maintenir les roulements sous la précharge, quand la pression hydraulique est relâchée dans l'organe de commande.
Dowty Aerospace Gloucester Limited
Ge Aviation Uk
Gowling Lafleur Henderson Llp
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