FUEL CELL SYSTEM

To provide a technology for suppressing a problem in which liquid water accumulates in a hydrogen-based auxiliary machine and freezes.SOLUTION: A fuel cell system includes a fuel cell stack with a hydrogen hole that allows hydrogen gas to pass through, hydrogen-based auxiliary equipment, and hydroge...

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Bibliographische Detailangaben
Hauptverfasser: HOSOI TAKAKI, SAIKAI HIROAKI
Format: Patent
Sprache:eng ; jpn
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Beschreibung
Zusammenfassung:To provide a technology for suppressing a problem in which liquid water accumulates in a hydrogen-based auxiliary machine and freezes.SOLUTION: A fuel cell system includes a fuel cell stack with a hydrogen hole that allows hydrogen gas to pass through, hydrogen-based auxiliary equipment, and hydrogen piping that connects the hydrogen hole and the hydrogen-based auxiliary equipment. The hydrogen piping includes a hydrogen hole and a liquid retention portion located below the connection portion between the hydrogen piping and the hydrogen-based auxiliary equipment in the direction of gravity.SELECTED DRAWING: Figure 2 【課題】液水が水素系補機に溜まって凍結してしまう不具合を抑制する技術を提供する。【解決手段】燃料電池システムは、水素ガスを通過させる水素孔を有する燃料電池スタックと、水素系補機と、水素孔と水素系補機とを接続する水素配管と、を備える。水素配管は、水素孔、および、水素配管と水素系補機との接続部よりも重力方向の下方に位置する液体滞留部を有する。【選択図】図2