| 摘要 |
In order to prevent brake pedal release by a driver when braking suddenly from resulting in an impact, a system is provided so that a sudden release, following a sudden application on the brake pedal, is followed by automatic maintenance of braking, for a certain time interval. This is obtained by mounting in a running part of the compressed air brake booster a circuit with mechanical hysteresis. The movement of the load transmission components in said circuit is different depending on whether the force is normal or sudden. If it is sudden, a retainer lock (36) is displaced. Said retainer lock prevents (24) sudden release of the brakes during sudden release following sudden braking. Afterwards, either braking is picked up again and in that case part of the force which has not been released does not have to produced by the driver, or release continues, and in that case braking release occurs with a slight delay.
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