Hydraulic actuator for vehicle

In a hydraulic actuator for a vehicle, annular grooves (40L, 40R) each having an axial size (w) larger than the diameter of a corresponding one of oil passages are formed on outer peripheral surfaces of respective annular spacers (36L, 36R), a plurality of radial grooves (46L, 46R) that provide flui...

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Bibliographische Detailangaben
Hauptverfasser:	IWASAKI, YASUHISA, SHIOZAKI, TARO, KANO, TOMOYUKI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR ENGINEERING ELEMENTS AND UNITS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS GEARING 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 THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	In a hydraulic actuator for a vehicle, annular grooves (40L, 40R) each having an axial size (w) larger than the diameter of a corresponding one of oil passages are formed on outer peripheral surfaces of respective annular spacers (36L, 36R), a plurality of radial grooves (46L, 46R) that provide fluid communication between the annular grooves (40L, 40R) and corresponding oil chambers are formed in the annular spacers (36L, 36R) at sides adjacent to a piston, the annular spacers (36L, 36R) are fitted in between rod covers and a center portion of a cylinder bore, and the stroke of the piston is regulated in such a manner that the piston contacts with any one of the annular spacers (36L, 36R).