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    • 35. 再颁专利
    • Master cylinder
    • 主缸
    • USRE40573E1
    • 2008-11-18
    • US11368335
    • 2006-03-02
    • Takato OgiwaraKenji SanoNaganori KoshimizuHiromi Ando
    • Takato OgiwaraKenji SanoNaganori KoshimizuHiromi Ando
    • B60T11/224
    • B60T11/224B60T11/26
    • A master cylinder of the invention supplies a brake fluid from a large diameter pressurizing chamber 56 to a small diameter hydraulic chamber 49 by opening a reverse flow checking opening and closing portion 61 by sliding movement of a stepped piston 16 forwardly, that is, fast fill and when the hydraulic pressure of the large diameter pressurizing chamber 56 rises, a control valve 86 escapes the hydraulic pressure of the large diameter pressurizing chamber 56 to a reservoir 12 to gradually lower in accordance with rise of the hydraulic pressure of the small diameter hydraulic chamber 49, thereby capable of reducing a strange feeling in a pedal feeling caused by sudden pressure release of the large diameter pressurizing chamber 56.
    • 本发明的主缸通过向前倾斜阶梯式活塞16的滑动打开反向流动检查开闭部61来将制动液从大直径加压室56供给到小直径液压室49,即快速填充 并且当大直径加压室56的液压上升时,控制阀86将大直径加压室56的液压从储存器12排出,以便随着小直径液压室的液压升高逐渐降低 从而能够减小由大直径加压室56的突然的压力释放引起的踏板感觉的奇怪的感觉。