Turbine inspection device and associated coil assembly and assoc

Details Turbine inspection device and associated coil assembly and assoc Turbine inspection device and associated coil assembly and assoc

1986-11-21

1988-05-03

Tokar, Michael J.

Measuring and testing

Test stand

For engine

415118, G01M 1900

Patent

active

047412038

ABSTRACT:
An inspection device which permits inspection of the interior of a turbine for metal integrity. The inspection device is mounted on a sensor assembly that engages a turbine blade and rests on the turbine disc. Metal integrity sensors are mounted on the sensor assembly and inspect various areas of turbine blades and turbine rotor steeples. The associated coil assembly provides a coil of wire and magnetic shielding which improves the sensitivity of the metal integrity sensors. The associated method provides for proper positioning of the apparatus and inspecting the turbine for metal integrity.

REFERENCES:
patent: 4139822 (1979-02-01), Urich et al.
patent: 4368642 (1983-01-01), Carodiskey
patent: 4502331 (1985-03-01), Singh et al.
patent: 4609870 (1986-09-01), Lale et al.
patent: 4629984 (1986-12-01), Scalese
Photocopy of Manual, Lab Kit for Magnetic Shielding with AC Magnetic Pickup Probe, Copyright 1983.
Paper presented at EPRI Conference, Sep. 1986, San Antonio, Tex.

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