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Title:
INCORE NUCLEAR INSTRUMENTATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/096579
Kind Code:
A1
Abstract:
The present invention applies non-contact sensors to a withdrawal limit switch and safety limit switch, eliminates contact between the limit switches and a drive cable and thimble pipe, and eliminates limit switch wear. Also, by eliminating contact between the limit switches and the thimble pipe, the invention prevents erroneous detection resulting from the vibration of the thimble pipe and thereby enhances detector passage accuracy.

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Inventors:
SAITO ATSUSHI (JP)
AIBA TOSHIHIDE (JP)
Application Number:
PCT/JP2016/084586
Publication Date:
May 31, 2018
Filing Date:
November 22, 2016
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
G21C17/10; G21C17/108
Foreign References:
CN104464579A2015-03-25
CN102841725A2012-12-26
CN103885593A2014-06-25
CN104394452A2015-03-04
CN102098373A2011-06-15
CN103176623A2013-06-26
CN103019507A2013-04-03
Attorney, Agent or Firm:
OIWA Masuo et al. (JP)
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