Pressure vessel safety locking mechanism
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 28, 2000
Grant Date -
N/A
app pub date -
Dec 24, 1997
filing date -
Dec 24, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention discloses a plurality of cylindrical slugs linked together by a cable. The slugs are separated by spacers and the cable is crimped at each end thereof to keep the slugs and spacers from coming off the cable. The cable-slugs-spacers assembly is inserted through a guide tube and into an annulus locking the cover of the pressure vessel to the housing of the vessel. A relief mechanism is provided in the cover to ensure that the cable-slugs-spacers assembly is fully inserted in the annulus thus preventing accidental extrication of the cover when the vessel is pressurized. A proximity sensor is positioned in the housing of the vessel and senses the pressure of the first slug inserted into the annulus thus insuring that the cable-slugs-spacers assembly has been fully inserted in the annulus. A coupling is provided on one end of the cable-slugs-spacers assembly to positively lock the assembly in place ensuring that the cover will not be extricated from the pressure vessel under pressure.
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