PRESSURE COMPENSATING VALVE

The invention relates to a pressure compensating valve which comprises a valve for opening and closing an inlet port and an outlet port, a pressure receiving chamber, a piston driven by a negative pressure in the pressure receiving chamber to move the valve in a closing direction, an intermediate pr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ISHIZAKI, NAOKI, TAKANO, TOSHIRO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS CONTROLLING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR DEVICES FOR VENTING OR AERATING DREDGING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS FOUNDATIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HYDRAULIC ENGINEERING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING PHYSICS REGULATING SOIL SHIFTING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a pressure compensating valve which comprises a valve for opening and closing an inlet port and an outlet port, a pressure receiving chamber, a piston driven by a negative pressure in the pressure receiving chamber to move the valve in a closing direction, an intermediate pressure receiving chamber communicating with the inlet port through a first fine hole to have its internal pressure push the valve in the closing direction, and a variable set pressure type relief valve for causing a pressure oil in the intermediate pressure receiving chamber to be relieved to the outlet port through a second fine hole.