REGULATOR

PROBLEM TO BE SOLVED: To provide a regulator which can be used favorably on a fuel cell and a fuel gas feeding device. SOLUTION: On an end side of a rod member 42, a back pressure chamber 34 is provided which acts in a direction for counterbalancing a pressure imparted to a valve element 44. Meanwhi...

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Hauptverfasser: NAKAJIMA YOJI, ISHIKAWA KAZUNORI, MIYANO KOJI, SAHODA KATSUZO, YOSHIDA TAKASHI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a regulator which can be used favorably on a fuel cell and a fuel gas feeding device. SOLUTION: On an end side of a rod member 42, a back pressure chamber 34 is provided which acts in a direction for counterbalancing a pressure imparted to a valve element 44. Meanwhile, in a region close to the valve element 44, an aspirator chamber 80 is provided of which the pressure is reduced lower than a secondary side pressure by the sucking action of a nozzle 94. On the rod member 42, a first communicating hole 62 and a second communicating hole 78 are formed which make the back pressure chamber 34 communicate with the aspirator chamber 80. COPYRIGHT: (C)2004,JPO&NCIPI