| 摘要 |
<p>The hydraulic power control device comprises a boost piston whose movements depend on the pressure of fluid contained in an actuating chamber, said pressure being controlled by a distributing valve connected to a pressure fluid source and to a reservoir. The valve is operated by a push rod through the intermediary of a lever connected to a double sensor responsive to the relative movement of the valve and of the boost piston. The lever presents a first end on which the sensor is pivoted and a second end pivotably secured to a sliding pin mounted in housing of the control device.</p> |
