Safety valve device, valve apparatus, high-pressure gas tank, and vehicle
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United States of America Patent
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May 7, 2013
Grant Date -
Nov 4, 2010
app pub date -
Dec 22, 2008
filing date -
Dec 28, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A safety valve device has a safety valve body and is configured to open at a temperature of or over a preset reference temperature. The safety valve device also includes a gas flow path arranged to make a flow of hydrogen flowing out of a hydrogen tank via the safety valve body in a valve open position, and a discharge pipe configured to have a hydrogen discharge opening and arranged to discharge the hydrogen flowing through the gas flow path to the outside. The hydrogen discharge opening of the discharge pipe is formed to discharge the hydrogen in an oblique direction relative to a direction of an axial center of the gas flow path. The discharge pipe also has a groove formed to apply an input rotational force to the discharge pipe and thereby rotate the discharge pipe around the axial center of the gas flow path.
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