| 摘要 |
PROBLEM TO BE SOLVED: To freely arrange an analytical diagnostic device for a bearing unit to reduce a load of a monitoring person, and to enrich monitoring for the bearing unit. SOLUTION: A radio tag 2-1 connected to a temperature sensor 11, and a radio tag 2-2 connected to a gap sensor 12 are provided in bearing 1, the radio tags 2-1, 2-2 acquire measurement information by the respective sensors to analyze it, and diagnose an analyzed result to radio-transmit diagnosed information to a receiving system 4. COPYRIGHT: (C)2004,JPO&NCIPI
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