Turbomachine radial impeller vibration constraining and...

Details Turbomachine radial impeller vibration constraining and... Turbomachine radial impeller vibration constraining and...

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 5/26 (2006.01) F02C 7/00 (2006.01)

Patent

CA 2129950

A compressor blade vibration reduction mechanism for a high-speed radial impeller for minimizing fatigue failures from various excitation sources. The vibration reduction mechanism includes a plurality of loose-fitting lashing pins coupling each impeller blade to an adjacent impeller blade. Each lashing pin extends through a first aperture in a blade located adjacent to the blade tip and through a second aperture of an adjacent blade. The second aperture of each blade is located a greater distance from the leading edge of the blade than the first aperture. The second aperture is located in an area of the blade having lower vibration during operation than the blade location where the first aperture is located.

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