Ultrasonic method and apparatus for detecting leaks

Details Ultrasonic method and apparatus for detecting leaks Ultrasonic method and apparatus for detecting leaks

1986-09-18

1988-01-19

Myracle, Jerry W.

Measuring and testing

Vibration

By mechanical waves

73 40, G01N 2900

Patent

active

047198010

ABSTRACT:
Seals in an automotive body are inspected for leaks by sensing ultrasonic energy passing through a seal. Either of an ultrasonic emitter or detector is scanned along a seal outside the body by a robot and the other is inside the body. The emitter operates at frequencies of 65 to 80 kHz and repetitively sweeps through a range of 6 kHz. The body may be either open or closed.

REFERENCES:
patent: 2378237 (1945-06-01), Morris
patent: 3782180 (1974-01-01), Harris
patent: 4275597 (1981-06-01), Quedens et al.
patent: 4290309 (1981-09-01), Charlebois et al.

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