发明名称 |
Användning av kontrollstavar i kärnreaktorer av kokvattentyp |
摘要 |
In order to provide a boiling water type nuclear reactor use control rod with a guide use roller which improves corrosive environment at a clearance in the guide use roller and suppresses a generation of stress corrosion cracking while maintaining sliding function of the control rod by the guide use roller, at least one of a handle 5, a lower portion supporting plate 2a and a dropping speed limiter 2 is provided with the guide use roller, and a space which causes water flow in a clearance between a pin 9 and a pin hole 12 in the guide use roller is provided adjacent the clearance. |
申请公布号 |
SE0103011(L) |
申请公布日期 |
2002.08.24 |
申请号 |
SE20010003011 |
申请日期 |
2001.09.12 |
申请人 |
HITACHI LTD;HITACHI ENG CO LTD |
发明人 |
NAKAYAMA MICHIO;KAWASHIMA NORIO;OKIDO SHINOBU |
分类号 |
G21C7/113;(IPC1-7):G21C7/10 |
主分类号 |
G21C7/113 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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