发明公开
EP0834730A3 Non-destructive diagnostic method and apparatus
失效
Zerstörungsfreies诊断Verfahren undGerät
- 专利标题: Non-destructive diagnostic method and apparatus
- 专利标题(中): Zerstörungsfreies诊断Verfahren undGerät
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申请号: EP97116819.0申请日: 1997-09-26
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公开(公告)号: EP0834730A3公开(公告)日: 1998-09-16
- 发明人: Takezawa, Yoshitaka , Kashiwamura, Yoshikiyo , Kano, Ikushi
- 申请人: HITACHI, LTD.
- 申请人地址: 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 101 JP
- 专利权人: HITACHI, LTD.
- 当前专利权人: HITACHI, LTD.
- 当前专利权人地址: 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 101 JP
- 代理机构: Strehl Schübel-Hopf & Partner
- 优先权: JP264038/96 19961004
- 主分类号: G01N21/25
- IPC分类号: G01N21/25 ; G01N21/35
摘要:
To non-destructively diagnose the weight reduction ratio of insulating material or lubricating oil without stopping the operation of an equipment, an optical fibre probe type sensor is employed and a light transmission loss or a reflective absorbency difference is used as a parameter.
公开/授权文献
- EP0834730A2 Non-destructive diagnostic method and apparatus 公开/授权日:1998-04-08
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