Pressure-reducing valve for high-pressure gas cylinders
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United States of America Patent
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Apr 15, 2008
Grant Date -
Jul 20, 2006
app pub date -
Nov 24, 2004
filing date -
Nov 25, 2003
priority date (Note) -
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Abstract
A first valve chest 241 formed integrally with a lid 2 of a high-pressure gas cylinder, a first valve element 5, a spring 6, a second valve chest 32, a second valve element 7, a spring 8 and a main body 8 are all formed in a rotor-shape, and in addition to arranging their axis lines on the same axis lime, flow channels 56, 35 and 76 are arranged on said axis line. By forming each part in a rotor-shape and adjusting the vibration directions of the valve elements 5 and 7 to the same direction, miniaturization is contemplated while suppressing loads generated by vibration. This invention is to provide a compact two-step pressure-reducing valve usable for a long term.
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