Proportional reversing valve for swash plate type axial plunger pump

The proportional directional valve comprises a valve body, a pressure oil port, a first working oil port, a second working oil port and an oil return port are formed in the valve body, a proportional electromagnet is arranged at the top of the valve body, a swing rod is arranged on the proportional...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHEN KANG, SU HUANHUAN, GU LIFENG, LU YUEDE, NI FUWEI, XUAN FENGJIE, QIAN CHEN, TANG XINWEI
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 proportional directional valve comprises a valve body, a pressure oil port, a first working oil port, a second working oil port and an oil return port are formed in the valve body, a proportional electromagnet is arranged at the top of the valve body, a swing rod is arranged on the proportional electromagnet, a through hole is formed in the valve body, and a valve element is arranged in the through hole in a sliding mode. A reversing groove is formed in the middle of the valve element, fixing sleeves are symmetrically arranged on the left side and the right side of the valve element, sealing assemblies are arranged on the fixing sleeves, through grooves are formed in the left side and the right side of the through hole, and buffering assemblies are arranged in the through grooves. The sealing assembly is arranged to seal the first working oil port and the second working oil port when the valve element is located in the middle position of the through hole, and the buffering assembly is arranged to buffer t