Bearing state diagnostic apparatus

Details Bearing state diagnostic apparatus Bearing state diagnostic apparatus

2008-11-03

2011-11-29

Surin, J M Saint (Department: 2856)

Measuring and testing

Vibration

By mechanical waves

C073S597000, C073S602000

Reexamination Certificate

active

08065916

ABSTRACT:
Provided is a bearing state diagnostic apparatus in which a sound generated from a bearing is detected by a sound sensor, a detected value of the sound sensor is compared with data which was previously formed, thereby diagnosing a state of the bearing, wherein at least one sound sensor is disposed at a position separated away from an outer surface of a cylindrical support body in which at least one bearing is accommodated, the corresponding bearing and sound sensor are in communication with each other through a detection sound propagation path.

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