HYDRAULIC SUPERHIGH PRESSURE THREE-POSITION FOUR-WAY VALVE

The utility model provides a three-position four-way valve which is applicable to the working communicating of a hydraulic system. The rated pressure of the three-position four-way valve which is applicable to the working communicating of a hydraulic system is 40-100 MPa, and the through diameter of...

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Bibliographische Detailangaben
1. Verfasser:	WEI KEFEI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model provides a three-position four-way valve which is applicable to the working communicating of a hydraulic system. The rated pressure of the three-position four-way valve which is applicable to the working communicating of a hydraulic system is 40-100 MPa, and the through diameter of the three-position four-way valve which is applicable to the working communicating of a hydraulic system is 4-10 mm. The hydraulic pressure commutation function of the three-position four-way valve which is applicable to the working communicating of a hydraulic system is realized by that a pressing disk with a plane cam is rotated, and the opening and closing of four ball valves are simultaneously controlled. The utility model has the advantages of compact structure and simple operation. Various slide valve functions of the three-position four-way valve which is applicable to the working communicating of a hydraulic system can be realized by changing the shape of the surface of the cam of the pressing disk. The utility model provides an ideal communicating for a hydraulic system, in particular to a superhigh pressure hydraulic system whose pressure is greater than 40 MPa.