发明名称 |
Negative pressure control apparatus for brake booster |
摘要 |
A negative pressure control apparatus for a brake booster is provided which can always maintain a required negative pressure in a negative pressure chamber of the brake booster in a system including a direct-injection engine. The apparatus has a brake operation predicting part for predicting execution of a brake operation by a driver. When execution of a brake operation is predicted, negative pressure in the negative pressure chamber is controlled to be a required value.
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申请公布号 |
US6283559(B1) |
申请公布日期 |
2001.09.04 |
申请号 |
US19990295355 |
申请日期 |
1999.04.21 |
申请人 |
TOYOTA JIDOSHA KABUSHIKI KAISHA |
发明人 |
YAMADA YOSHIHISA;ENDO HIROAKI;WATANABE RYOCHI |
分类号 |
B60T17/00;B60T13/46;B60T17/02;F02D41/02;F02D41/30;(IPC1-7):B60T8/34 |
主分类号 |
B60T17/00 |
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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