Valve for a Container, Preferably a Cylinder Containing High Pressure Gas
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United States of America Patent
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Issued Date -
Oct 16, 2008
app pub date -
Sep 7, 2006
filing date -
Sep 12, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to an improved valve (1) for a container (2), preferably a cylinder containing high pressure gas, comprising a body (3, 4), provided on a orifice of said container (2), said body (3, 4) providing a cavity wherein means (12, 14) are provided for actuating a shutter (11) suitable to close said container (2) orifice, said valve (1) being characterised in that said activation means (12, 14) comprise means (16) made up of shape memory alloy; and in that it comprises means for modifying temperature of said activation means (16), so as to permit change of state of said alloy from martensitic state into austenitic state and vice versa, said activation means (16) thus varying their shape causing translation of said shutter (11) and thus opening of said valve by said activation means (12, 14).
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