Ultrasonic detector apparatus

Details Ultrasonic detector apparatus Ultrasonic detector apparatus

1979-08-16

1981-05-26

Ruehl, Charles A.

Measuring and testing

Vibration

By mechanical waves

73660, G01H 100

Patent

active

042690650

ABSTRACT:
A non-destructive test apparatus for obtaining advance warning of impending mechanical failure by the detection and analysis of ultrasonic frequency signals which are generated internally by the equipment being tested. The detector apparatus of the present invention receives and displays in audible and/or visual form a primary carrier frequency which indicates wearing surfaces and which is characteristic of an incipient mechanical malfunction. The detector apparatus is further capable of recording signals received for subsequent evaluation and use by maintenance personnel as part of an integrated planned maintenance program.

REFERENCES:
patent: 2915897 (1959-12-01), Hoffmann
patent: 3315522 (1967-04-01), Frarey et al.
patent: 3400578 (1968-09-01), Frarey et al.
patent: 3416630 (1968-12-01), Pohl et al.

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