| 摘要 |
<p>Gear actuation control device (100) comprising one gear actuator (1, 2, 3, 4) per two gears (l-N-3; 7-N-5; 4-N-R; 6-N-2) of a transmission (1T - 4T), each gear actuator (1 - 4) having a movable piston (1', 2' , 3' 4') disposed between two actuation chambers (1A, B; 2A, B; 3A, B; 4A, B), an actuator valve means (5), and a switching valve means (6) controlling the activation of said pistons (1' - 4') of the gear actuators (1 - 4) and cooperating with the actuator valve means (5), wherein the actuator valve means (5) comprises a number of actuator valves (7 - 10) at least equal to the number of gear actuators (1 - 4).</p> |
