Method of attaching a monitor target to a shrouded blade

Details Method of attaching a monitor target to a shrouded blade Method of attaching a monitor target to a shrouded blade

1992-04-28

1994-11-22

Cuda, Irene

Metal working

Method of mechanical manufacture

Impeller making

298892, B23P 1500

Patent

active

053656636

ABSTRACT:
Method of attaching a target for use in a system for monitoring the vibration of a plurality of shrouded turbine blades to a shroud segment. The target includes a shim plated with a highly conductive material for inducing variations in eddy currents generated by stationary sensors, as part of a system for monitoring blade vibrations. The target is spot welded to the shroud segment of the turbine blades at the turbine site using portable welding equipment, providing effective and low cost installation.

REFERENCES:
patent: 3115032 (1963-12-01), Northern et al.
patent: 4518917 (1985-05-01), Oates et al.
patent: 4574237 (1986-03-01), Hachtel et al.
patent: 4734009 (1988-03-01), Campbell et al.
patent: 5156529 (1992-10-01), Ferleger et al.

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