Sealing device, in particular for a shaft inserted transversely in a vessel of fluids under pressure or granular material in movement
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United States of America Patent
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Oct 31, 2017
Issued Date -
N/A
app pub date -
Jul 19, 2013
filing date -
Jul 20, 2012
priority date (Note) -
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Abstract
A sealing device for a vessel to achieve a fluid-tight seal in an aperture made in the lateral wall of said vessel, into which aperture a shaft is inserted. The sealing device comprises first sealing means disposed in contact with the shaft in the zone of said aperture, and second sealing means, comprising a containing body and a flexible connection element. The first sealing means comprise a plurality of sealing rings, disposed coaxial to the shaft and in contact with the latter, and a containing tube to contain the sealing rings. The lateral wall of the vessel comprises an interface flange. A closing flange is connected to the interface flange and to a flanged end of the containing body by means of attachment means and is positioned in contact with the containing tube and with the flexible connection element to keep the first sealing means in a determinate axial position with respect to the shaft.
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