RELIEF PRESSURE CONTROL DEVICE

To provide a relief pressure control device in which a relief pressure can be set easily, and further power consumption is suppressed. A relief pressure control device is equipped with a relief valve in which a setting pressure is made variable as a function of an energization quantity, and a contro...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAJIMA, Hideki, SAKO, Shino
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:	To provide a relief pressure control device in which a relief pressure can be set easily, and further power consumption is suppressed. A relief pressure control device is equipped with a relief valve in which a setting pressure is made variable as a function of an energization quantity, and a controller configured to set at least one relief pressure of a fluid pressure circuit by controlling the energization quantity of the relief valve. The controller energizes the relief valve, when the pump pressure exceeds a predetermined threshold pressure lower than the setting pressure of the relief valve that is in its non-energized state.