Electric proportional pressure reducing valve

The electric proportional pressure reducing valve comprises an electromagnet, the end of the electromagnet is in threaded connection with a valve sleeve, a valve element is arranged in the valve sleeve, a positioning thread sleeve is arranged at the end of the valve sleeve, and a spring is arranged...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHI JINWU, AN WEILIANG, WU XUEJIANG, YANG BIN, WANG XIANG, YANG HUA, CAO JIE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	The electric proportional pressure reducing valve comprises an electromagnet, the end of the electromagnet is in threaded connection with a valve sleeve, a valve element is arranged in the valve sleeve, a positioning thread sleeve is arranged at the end of the valve sleeve, and a spring is arranged between the positioning thread sleeve and the valve element. The electromagnet is further provided with an ejector rod matched with the valve element. A left valve element step and a right valve element step are arranged on the valve element, and the circumferential diameter of the left valve element step is larger than that of the right valve element step. The section difference between a left valve element step and a right valve element step on the valve element is utilized, so that hydraulic pressure acting on the valve element generates section pressure difference F; and the cross section pressure difference F is balanced with the electromagnetic force generated by the electromagnet. The length of the pressure