Valve with ball of controlled deformation
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 24, 2004
Grant Date -
N/A
app pub date -
Jul 18, 2000
filing date -
Oct 7, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A valve with ball of controlled deformation for fluid shut-off comprising an external containment body (11), inside which is arranged a shutter element (13), movable between a closure position and an opening position of the valve, the shutter element cooperating with one or more seats (12) and providing for seal elements with respect to the containment body and to the shutter element, in which the shutter element provides for yielding zones (15a) in its spherical portions (15) disposed downstream of the seats with respect to a pressure zone. Preferably the yielding zones are provided by notches (19) produced on surface zones of the shutter elements in correspondence with the spherical portions.
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Family
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Cited Art Landscape
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