| 摘要 |
<p>The invention relates to a control device for a hydraulic drive motor, such as a rotating motor or a screw jack, such that it can function in its two displacement directions, that it can be an engine functioning in rotation or in translation and with a manually adjustable speed, an optimal acceleration or deceleration is automatically obtained during operation or standstill, or simply during the manual control of the change of speeds of the said motor and its load.</p> |
