| 摘要 |
A transmission control system for actuating a hydraulically controlled vehicle transmission that includes a pair of shiftable clutches (15-18) determining four range speed conditions and two shiftable clutches (13,14) determining whether the vehicle is in forward or reverse comprises a fill control system which provides for rapid filling of the clutches and a pressure control system which provides for a controlled rate of energization of the clutches once the clutches have been filled to eliminate shift shock. The control system is operated by a manual control (48) which acts on switches to control solenoid valves (40,42,60,62) which in turn control the forward/reverse and speed change clutches.
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