U-tube heat exchanger, equipped with a tube antivibration stabilizing system and a hold-down system
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United States of America Patent
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Dec 2, 1997
Grant Date -
N/A
app pub date -
Mar 5, 1996
filing date -
Mar 9, 1995
priority date (Note) -
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Abstract
A heat exchanger, in particular for a nuclear reactor steam generator, comprising a U-tube bundle and a stabilizing system composed of anti-vibration bars inserted between the tubes of the bundle in the upper tube U-bend region. The anti-vibration bars have portions that protrude from the tube bend region, and the stabilizing system comprises elements which connect the aligned portions of the ends of the anti-vibration bars and are composed of a comb with slots designed to receive the ends of the anti-vibration bars, and a comb cover attached with fastening means. All the connecting elements are attached to supports that are joined to the bundle wrapper, while allowing limited movement of the set of anti-vibration bars and connecting elements.
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