Air pipe active butterfly valve

The air pipe active butterfly valve comprises a valve seat and a valve rod, the valve seat is provided with a valve hole and a valve cavity, the air pipe active butterfly valve further comprises a driving motor and a torsion spring, a first through insertion hole is formed between the valve hole and...

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Bibliographische Detailangaben
Hauptverfasser:	FU DAOMING, LIN XIAOSHAN, LIU JIAN, FU HAIPING
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 air pipe active butterfly valve comprises a valve seat and a valve rod, the valve seat is provided with a valve hole and a valve cavity, the air pipe active butterfly valve further comprises a driving motor and a torsion spring, a first through insertion hole is formed between the valve hole and the valve cavity, and the valve rod is rotationally inserted into the first insertion hole. The valve rod comprises a first rod section extending into the valve cavity and a second rod section extending into the valve hole and provided with a valve plate. A semi-annular first barrier strip is arranged on the left side of the inner circumferential wall of the valve hole, a semi-annular second barrier strip is arranged on the right side of the inner circumferential wall of the valve hole, and when the valve rod rotates till the valve plate seals the valve hole, the front side of the left portion of the valve plate abuts against the first barrier strip, and the rear side of the right portion of the valve plate abuts