Method and apparatus for detecting metal wipe damages of plane b

Details Method and apparatus for detecting metal wipe damages of plane b Method and apparatus for detecting metal wipe damages of plane b

1983-02-09

1984-11-13

Ciarlante, Anthony V.

Measuring and testing

Vibration

By mechanical waves

73660, G01N 2904

Patent

active

044818190

ABSTRACT:
A method and apparatus for detecting metal wipe damages of plane bearings with the metal wipe generating an ultrasonic signal as an acoustic emission signal when it occurs. The ultrasonic signal has a periodic appearance therefore, the metal wipe damages, can be detected by monitoring the periodic nature of the ultrasonic signal. The ultrasonic signal is received by a transducer fixed to the plane bearing with the periodic nature of the received ultrasonic signal being computed by a processing unit so as to provide a output signal of the occurrence of a metal wipe when the received ultrasonic signal is periodic.

REFERENCES:
patent: 2114029 (1938-04-01), Perry
patent: 3052123 (1962-09-01), Gustafson
patent: 3842663 (1974-10-01), Harting et al.
patent: 4007630 (1977-02-01), Noda
patent: 4262538 (1981-04-01), Otawara

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