LIQUID CONTROLLER

PROBLEM TO BE SOLVED: To change over and mutually communicate channels, and control and decontrol reduction of pressure of pressure liquid by the energizing/non- energizing operation of a solenoid switching valve. SOLUTION: A pilot opening/closing valve 2 has a first position X1 and a second positio...

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Bibliographische Detailangaben
Hauptverfasser:	KUROBE MASANORI, SUMA YOSHINORI, TADA ATSUSHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT CONTROLLING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PHYSICS REGULATING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To change over and mutually communicate channels, and control and decontrol reduction of pressure of pressure liquid by the energizing/non- energizing operation of a solenoid switching valve. SOLUTION: A pilot opening/closing valve 2 has a first position X1 and a second position Y1, and when changed over from the second position Y1 to the first position X1, pilot liquid is led out by being throttled and controlled by a one-way throttle valve 43 so that the pilot opening/closing valve 2 is gradually changed over. A pressure reducing valve 3 may not reduce and control pressure liquid when the pilot opening/closing valve 2 is positioned at the second position Y1, and also reduces and controls the pressure liquid when the pilot opening/closing valve 2 is positioned at the first position X1. Therefore, the pilot opening/closing valve 2 is gradually changed over from the second position Y1 to the first position X1 by changeover to a second position Y1 by the energizing operation of a solenoid switching valve 4 so that the pressure reducing valve 3 is automatically changed over from a condition that it may not reduce and control the pressure of the pressure liquid to a condition that it reduces and controls the pressure of the pressure liquid.