Measuring and testing – Vibration – By mechanical waves
Patent
1984-07-10
1986-01-28
Birmiel, Howard A.
Measuring and testing
Vibration
By mechanical waves
G01N 2904
Patent
active
045663327
ABSTRACT:
A wheel probe for ultrasonically inspecting a component, such as the wall of a pipeline, is of hollow form to define a chamber in which an ultrasonic transducer is located. The transducer is supported by a mounting which occupies a major proportion of the chamber and comprises material for attenuating background noise in the wheel probe. The chamber is closed by an end member which also comprises material for attenuating background noise, while an elastomeric tire on the rim of the wheel probe extends over a portion of reduced diameter of the rim to attenuate unwanted ultrasound.
REFERENCES:
patent: 4098132 (1978-07-01), Mikesell
patent: 4302976 (1981-12-01), Bull
Birmiel Howard A.
British Gas Corporation
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