发明名称 |
METHOD AND APPARATUS FOR SECURING TUBES IN A STEAM GENERATOR AGAINST VIBRATION |
摘要 |
A method of and apparatus for securing tubes within a steam generator against vibration with a metallic anti-vibration bar in a tube bundle. The tube bundle has a plurality of tubes, arranged in rows and columns, with lanes between the tube columns. The method comprises the steps of: inserting the anti-vibration bar in the tube bundle; plastically expanding the wall of the anti-vibration bar from an unexpanded position to an expanded position. In the unexpanded position there are a plurality of gaps between the anti-vibration bar and the tubes of the tube bundle. The gaps decrease in size as the wall of the anti-vibration bar moves from the unexpanded position to the expanded position. |
申请公布号 |
US2014116360(A1) |
申请公布日期 |
2014.05.01 |
申请号 |
US201313934497 |
申请日期 |
2013.07.03 |
申请人 |
WESTINGHOUSE ELECTRIC COMPANY LLC |
发明人 |
PETROSKY LYMAN J.;HEILKER WILLIAM J.;PRABHU PADMANABHA J. |
分类号 |
F22B37/20;F22D7/00 |
主分类号 |
F22B37/20 |
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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