发明名称 |
Hydraulic brake device for a vehicle |
摘要 |
A hydraulic brake device for a vehicle includes a master cylinder having a master piston and an auxiliary piston for assisting the actuation of the master piston. The vehicle hydraulic brake device also includes a first valve mechanism for hydraulically closing a first pressure transmitting chamber when the actuation of the master piston is assisted by an assisting device, a second valve mechanism for hydraulically closing a second pressure transmitting chamber after the pressure in the first pressure transmitting chamber reaches a predetermined value, and for hydraulically connecting the second pressure transmitting chamber with the first pressure transmitting chamber when the master piston is not actuated by the assisting device.
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申请公布号 |
US2001049940(A1) |
申请公布日期 |
2001.12.13 |
申请号 |
US20010865552 |
申请日期 |
2001.05.29 |
申请人 |
NISHII MICHIHARU;ISHIDA SATOSHI |
发明人 |
NISHII MICHIHARU;ISHIDA SATOSHI |
分类号 |
B60T13/12;B60T13/565;B60T13/573;(IPC1-7):B60T13/20 |
主分类号 |
B60T13/12 |
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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