| 摘要 |
The braking system comprises a pneumatic servomotor (1) and a master cylinder (2). The servomotor includes front and rear chambers (101,102), and a pneumatic piston (12). The master cylinder (2) includes primary and secondary chambers (241,242) and an actuating shaft (23) controlling the primary piston. The braking system comprises a pneumatic servomotor (1) and a master cylinder (2). The servomotor includes a rigid envelope (10) and a mobile wall (11), with front and rear chambers (101,102), and a pneumatic piston (12). The master cylinder (2) includes primary and secondary chambers (241,242) and an actuating shaft (23) controlling the primary piston. The master cylinder is solidly attached to the pneumatic piston (12) and mounted to slide in the front chamber. The actuating shaft (23) is hollow and solidly attached to the rigid envelope, and communicates with the primary pressure chamber (241). The secondary piston (222) is traversed in a sealed manner by a conduit (25) communicating with the secondary chamber (242), passing through the primary chamber and the actuating shaft (23). This is fixed with respect to the rigid envelope.
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