Blade baffle damper

Details Blade baffle damper Blade baffle damper

F - Mech Eng,Light,Heat,Weapons

02

C

170/82

F02C 7/00 (2006.01)

Patent

CA 1050894

BLADE BAFFLE DAMPER Abstract of the Disclosure The impingement baffle insert of a turbomachinery blade is provided with a collar around a portion thereof, the collar having a chamfered surface on the radially inner end and adapted to be frictionally engaged by a damper which also surroundds a portion of the insert and which tends to move radially outward over the beveled surface when acted on by centrifugal forces caused by rotation of the blade. The damper is thus wedged between the insert and the blade inner wall to reduce or prevent relative movement therebetween which is normally caused by thermal and vibrational forces. The integrity of the combination is thus improved to reduce the incidence of insert and turbine blade failure.

241122

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