Acoustic-based rotating component analysis

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United States of America Patent

PATENT NO 8326582
APP PUB NO 20100161255A1
SERIAL NO

12642025

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Abstract

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An acoustic sensor acquires acoustic data corresponding to a rotating component of a machine during operation of the machine. The acoustic sensor can be configured to enhance acoustic signals in a range of frequencies corresponding to at least one evaluated condition of the rotating component and/or enhance the acoustic signals received from a directional area narrowly focused on the rotating component. The rotating component is evaluated using the acoustic data acquired by the acoustic sensor. In an embodiment, the machine can be a vehicle traveling past a parabolic microphone. In a more specific embodiment, the vehicle is a rail vehicle and the rotating component is a railroad wheel bearing.

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Patent Owner(s)

  • INTERNATIONAL ELECTRONIC MACHINES CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mian, Zahid F Loudonville, US 85 2963
Smith, Richard L Clifton Park, US 51 676

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