HOLDING VALVE

PURPOSE: A holding valve is provided to improve response efficiency of hydraulic equipment by securing rapid response efficiency when a holding state of the holding valve is converted into a relief state. CONSTITUTION: A holding valve comprises a valve housing(11), coil springs(12), and a spool(13)....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YEO, MYEONG KU, HWANG, GEO SUN
Format: Patent
Sprache:eng ; kor
Schlagworte:
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Beschreibung
Zusammenfassung:PURPOSE: A holding valve is provided to improve response efficiency of hydraulic equipment by securing rapid response efficiency when a holding state of the holding valve is converted into a relief state. CONSTITUTION: A holding valve comprises a valve housing(11), coil springs(12), and a spool(13). The valve housing has a pilot inlet(11a), an outlet port(11b), a first working fluid port(11c), a passage(11e), a main water pressure part(11f), and a lower water pressure part(11g). The main water pressure part connects the ports through the passage. The lower water pressure part is formed in the bottom of the main water pressure part. The coil springs are inserted into the inside the valve housing. The spool is supported by the coil springs.