Ultrasonic wheel probe with improved acoustic barrier

Details Ultrasonic wheel probe with improved acoustic barrier Ultrasonic wheel probe with improved acoustic barrier

1987-07-29

1988-08-16

Levy, Stewart J.

Measuring and testing

Vibration

By mechanical waves

G01N 2904

Patent

active

047635266

ABSTRACT:
This invention relates generally to an ultrasonic wheel probe for rolling along a workpiece to be tested for flaws, having a plurality of ultrasonic acoustic transducers and an acoustic barrier that rest in a coupling fluid. The instant invention comprises an improved means for detecting the distance between the transducer array and the surface of the workpiece.

REFERENCES:
patent: 4098132 (1978-07-01), Mikesell
patent: 4165648 (1979-08-01), Pagano
patent: 4519251 (1985-05-01), Dickson
patent: 4615218 (1986-10-01), Pagano

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