Turbine blade platform damper

Details Turbine blade platform damper Turbine blade platform damper

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 5/00 (2006.01) F01D 5/22 (2006.01)

Patent

CA 2077843

A vibration damper for rotor blades of a gas turbine engine has a shaft and a contact head connected thereto. The shaft is slidably inserted in a cylindrical recess incorporated in the rotor blade platform. During rotation of the rotor disk, the shaft of the damping member slides along the shaft axis, whereby the damping member is moved at least in the radial and circumferential directions by centrifugal forces. The contact head of the damping member of one rotor blade finally bears against the platform portion of an adjacent rotor blade, serving to damp vibratory motion of both blades.

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