Pilot-operated type water-based digital valve and hydraulic system

The invention provides a pilot-operated type water-based digital valve and a hydraulic system. The pilot-operated type water-based digital valve comprises a pilot valve, a main valve, a first cone valve element, a second cone valve element, a third cone valve element and a fourth cone valve element....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHOU RULIN, ZHAO YUBEI, WANG SHUSHENG, ZHANG YANG, QIAO ZISHI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	The invention provides a pilot-operated type water-based digital valve and a hydraulic system. The pilot-operated type water-based digital valve comprises a pilot valve, a main valve, a first cone valve element, a second cone valve element, a third cone valve element and a fourth cone valve element. The pilot valve is provided with a first valve cavity, the first valve cavity comprises a first high-pressure cavity, a first cavity, a first low-pressure cavity, a second cavity and a second high-pressure cavity which are sequentially arranged, the main valve is provided with a second valve cavity, and the second valve cavity comprises a third cavity, a third high-pressure cavity, a second low-pressure cavity, a fourth high-pressure cavity and a fourth cavity which are sequentially arranged. The first cone valve element is used for conducting and blocking the first high-pressure cavity and the first cavity, the second cone valve element is used for conducting and blocking the second high-pressure cavity and the s