| 摘要 |
PROBLEM TO BE SOLVED: To provide a lubricant deterioration detection device loadable easily on a bearing, capable of detecting accurately a lubricant deterioration state inside the bearing, and the bearing with the detection device equipped with the lubricant deterioration detection device. SOLUTION: In this lubricant deterioration detection device 1, a light emitting element 2 and a light receiving element 3 are provided oppositely respectively on both ends of an arc-shaped optical fiber 4, and a gap part 7 for measurement for interposing a lubricant 5 is provided on a part of the arc-shaped optical fiber 4. A peripheral part of the gap part 7 for measurement of the optical fiber 4 is supported and fixed by an optical fiber support member 11 so that the position can be adjusted in the axial direction by using a fixing element. COPYRIGHT: (C)2008,JPO&INPIT
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