| 摘要 |
A pressure generator having a more efficient design and simple construction, and providing improved assembly efficiency and reduced cost includes a housing, a power piston which divides the inside of the housing into front chambers and rear chambers, an input member, a valve mechanism, an output rod, an auxiliary movable wall, an auxiliary variable pressure chamber, an electromagnetic valve unit, a master cylinder and a piston. The auxiliary variable pressure chamber is bounded by an auxiliary movable wall and a first movable wall.
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