Huawei Technologies Co., Limited

Weimiao Yang

Wei Zhang

Yongsheng Zhang

This disclosure is applicable to intelligent automobiles, new energy automobiles, conventional automobiles, or the like. In an example embodiment, a fluid outlet pipe of a first hydraulic chamber is configured in segments on a push rod support portion and a push rod. When a piston is located at an inner stop point of a piston stroke, a first hydraulic adjustment port located on the push rod support portion communicates with a second hydraulic adjustment port located on the push rod, and when the piston is located at a position other than the inner stop point in the piston stroke, the first hydraulic adjustment port does not communicate with the second hydraulic adjustment port.

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Shanghai, China

Weimiao Yang