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发明公开
CN104675990A 用于变速器的具有ETRS和复用离合器控制的液压控制系统 有权

用于变速器的具有ETRS和复用离合器控制的液压控制系统
摘要：
本发明涉及用于变速器的具有ETRS和复用离合器控制的液压控制系统。一种电子传动范围选择液压控制系统包括加压的液压流体源、与加压的液压流体源的下游流体连通的第一模式阀组件、连接至行进离合器且与第一模式阀组件的下游直接流体连通的行进离合器促动器、连接至倒退离合器且与第一模式阀组件的下游直接流体连通的倒退离合器促动器、与第一模式阀组件的下游直接流体连通的第二模式阀组件、以及连接至驻车机构且与第二模式阀组件和第一模式阀组件的下游直接流体连通的驻车伺服器。
摘要（英）：

An electronic transmission range selection hydraulic control system includes a source of pressurized hydraulic fluid, a first mode valve assembly in fluid communication downstream of the source of pressurized hydraulic fluid, a drive clutch actuator connected to a drive clutch and in fluid communication directly downstream of the first mode valve assembly, a reverse clutch actuator connected to a reverse clutch and in fluid communication directly downstream of the first mode valve assembly, a second mode valve assembly in fluid communication directly downstream of the first mode valve assembly, and a park servo connected to the park mechanism and in fluid communication directly downstream of the first mode valve assembly and the second mode valve assembly.

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