A duty valve drove hydraulic brakeservo system of HEV (hybrid electric vehicle) power transmission test rig is studied.
研制了一种基于高速开关阀对混合动力车辆传动实验台制动系统实施压力控制的系统。
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A new type of servobrake which provides a increased brake torque by a roller and a wedge structure, whose advantages are its ideal force on brake shoes and even wear, has been developed.