Device for elimination of vibrations of a valve for decompression of an enclosure
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United States of America Patent
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-
Oct 8, 1985
Grant Date -
N/A
app pub date -
Jun 28, 1983
filing date -
Jul 1, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Device for elimination of vibrations of a valve for decompression of an enclosure containing a fluid under pressure, comprising a lever articulated on the valve body in two parts. The first part is integrally fixed to a spindle mounted to rotate in the valve body. This part comprises a rocker arm and its end opposite the rocker arm is connected to the valve stem. The second part is connected to the moveable armature of an electromagnet and comprises a bearing surface for the tappet. The two parts of the lever are connected through the intermediary of a friction coupling. Movements of the valve beyond the position of locking by the electromagnet are damped by the friction coupling. The invention is applicable in particular to a decompression valve in a pressurized water nuclear reactor.
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