Gas shut-off valve
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United States of America Patent
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Oct 17, 2017
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N/A
app pub date -
Feb 27, 2015
filing date -
Oct 17, 2014
priority date (Note) -
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Abstract
A shut-off valve that has a closure orifice, a closure member to open and close a gas passage through the shut-off valve, an electromagnetic actuator including a movable assembly attached to the closure member, the closure member, and an electromagnetic filed generator magnetically associated with the movable assembly. The shut-off valve also includes a manual actuator for acting on the movable assembly, the manual actuator comprising an open position in which it is decoupled from the movable assembly, the electromagnetic actuator thus being able to act on the closure member to cause its closure.
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