HYDRAULIC ACTIVE SUSPENSION

PURPOSE:To reduce noise and vibration due to a dither current as securing good riding quality at a low car speed range and pressure controllability at the time of stopping and starting, in a hydraulic active suspension with a pressure control valve producing control hydraulic pressure by way of impr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	OGINO HIROHIKO
Format:	Patent
Sprache:	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 PERFORMING OPERATIONS SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TAPS THERMAL INSULATION IN GENERAL TRANSPORTING VALVES VEHICLE SUSPENSION ARRANGEMENTS VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To reduce noise and vibration due to a dither current as securing good riding quality at a low car speed range and pressure controllability at the time of stopping and starting, in a hydraulic active suspension with a pressure control valve producing control hydraulic pressure by way of impressing a control current imparted with the dither current. CONSTITUTION:This suspension is provided with a dither current control means (f) which sets dither width of a dither current, to be impressed on a pressure control valve (b) at a time when car speed is less than the setting speed, and an actuator vibration equivalent has become more than the set value, to zero or small range nearby zero, and when a car body vibration detected value is made smaller than the set value, the dither current to be impressed on the pressure control valve (b) is restored to the origin.