VALVE DEVICE AND DEVICE FOR MANUFACTURING VALVE DEVICE

A valve device includes a valve housing having a hole and a seat provided on a periphery of the hole, a tubular member, a valve member opening the hole when moving away from the seat and closing the hole when being in contact with the seat, an urging member urging the valve member in a valve closing...

Ausführliche Beschreibung

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Hauptverfasser: ITOH Eiji, MOCHIZUKI Kouichi
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A valve device includes a valve housing having a hole and a seat provided on a periphery of the hole, a tubular member, a valve member opening the hole when moving away from the seat and closing the hole when being in contact with the seat, an urging member urging the valve member in a valve closing direction or a valve opening direction, an intermediate member being immovably relative to the tubular member, an adjusting member having a communication passage and configured to adjust an urging force of the urging member via the intermediate member according to a position relative to the tubular member when fixed to the tubular member, and a swelling member provided between the intermediate member and the tubular member and configured to be in contact with the intermediate member and the tubular member by swelling when touched with a fluid flowing through the hole.