| 摘要 |
Its subject is a reversible hydraulic machine (servo pump or servo motor) of the type in which a piston 302 which can move in translation displaces a barrel of a piston pump or a ring 304 of a vane pump 305, characterised in that it comprises means 301 for providing a translation of the piston, the amplitude of which translation is proportional to the angular extent of rotation of the shaft of a numerical drive assembly 350. Application to robotics. <IMAGE>
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