发明授权
US08430220B2 Wet dual clutch transmission control system 有权
湿式双离合变速箱控制系统

Wet dual clutch transmission control system
摘要:
Pairs of variable feed solenoid valves provide fluid to a pair of input clutch actuators and a pair of inlet ports of a first or logic valve. The position of the first logic valve spool is controlled by a solenoid valve. A first pair of outlet ports of the first logic valve provide fluid to a first piston which selects two speed ratios. A second pair of outlet ports of the first logic valve provide fluid to a pair of inlet ports of a second logic valve. The position of the second logic valve spool is controlled by fluid from the input clutch circuits. A first pair of outlet ports of the second logic valve provide fluid to a second piston which selects two other speed ratios and a second pair of outlet ports of the second logic valve provide fluid to a third piston which selects two additional speed ratios.
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