Excess turbine speed limitation device in a turbine engine

Details Excess turbine speed limitation device in a turbine engine Excess turbine speed limitation device in a turbine engine

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 21/14 (2006.01) F01D 21/02 (2006.01) F02C 9/00 (2006.01)

Patent

CA 2521265

Device for limiting turbine overspeed in a turbomachine, the turbine comprising a rotor formed of disks mounted on a turbine shaft and carrying moving blades, stages of fixed blades disposed between the disks of the rotor, and means for shearing the moving blades of the upstream disk of the rotor, these means being carried by a circumferential rim of a stage of fixed blades of the turbine.

Dispositif de limitation de survitesse d'une turbine dans une turbomachine, la turbine comprenant un rotor formé de disques montés sur un arbre de turbine et portant des aubes mobiles, au moins un étage d'aubes fixes disposées entre deux disques précités du rotor, et des moyens fixes de cisaillement des aubes mobiles du disque amont du rotor, portés par un rebord circonférentiel du premier étage d'aubes fixes de la turbine.

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