发明名称 |
Brake-booster with complementary hydraulic power-assist |
摘要 |
Pneumatic brake-booster with additional hydraulic boosting and method for boosting braking using such a booster. A pneumatic-hydraulic hybrid pneumatic brake booster is improved. Additional hydraulic boosting (19, 20) provided by a hydraulic circuit is provided beyond a saturation point (Psat) in the operation of the pneumatic circuit. Hysteresis-induced instabilities in the pneumatic part of the booster are taken into consideration (50). A choice is made to compensate (A) for the shortfall in operation of the pneumatic circuit using the hydraulic circuit. In one example, this correction is afforded via a microprocessor which imposes a corrected process signal. Using this signal, pressure shifts in the pneumatic system are neutralized.
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申请公布号 |
US2004140713(A1) |
申请公布日期 |
2004.07.22 |
申请号 |
US20040433466 |
申请日期 |
2004.03.19 |
申请人 |
PIEL JEAN-MARC;MARLHE NICOLAS;GENDRINL STEPHANE |
发明人 |
PIEL JEAN-MARC;MARLHE NICOLAS;GENDRINL STEPHANE |
分类号 |
B60T8/00;B60T13/10;B60T13/12;B60T13/52;B60T13/66;B60T13/72;(IPC1-7):B60T8/44 |
主分类号 |
B60T8/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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