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    • 14. 发明授权
    • Hydraulic booster system with accumulator
    • 带蓄能器的液压助力系统
    • US4976105A
    • 1990-12-11
    • US274579
    • 1988-11-22
    • Makoto HoriuchiAtsushi ShimizuYoshitaka MiyakawaKazuya Sakurai
    • Makoto HoriuchiAtsushi ShimizuYoshitaka MiyakawaKazuya Sakurai
    • B60T13/14
    • B60T13/145
    • A hydraulic booster for a master cylinder in which an inlet valve is interposed between an output pressure chamber at the back of the booster piston and an input pressure chamber connected to a pressure source. Advance of the valve piston opens the inlet valve. An outlet valve between the output chamber and an outlet chamber connected to an oil tank closes at advance of the valve piston relative to the booster piston. The booster chamber is exposed to a rear of a master cylinder operation piston. The valve piston oil feed passage connects input pressure chamber with booster chamber at opening of the outlet valve. The reaction chamber at the front surface of the booster piston is reduced in volume with the advancing movement and is connected to an accumulator making it possible to smooth initial operation of the master cylinder and reduce booster system size.
    • 一种用于主缸的液压助力器,其中入口阀插入在增压器活塞后面的输出压力室和连接到压力源的输入压力室之间。 阀门活塞的前进打开入口阀。 在输出室和连接到油箱的出口室之间的出口阀在阀活塞相对于增压器活塞的前面关闭。 增压室暴露在主缸操作活塞的后部。 阀门活塞供油通道在输出阀开口处将输入压力室与增压室相连。 增压活塞前表面的反应室随着前进运动而减小体积,并连接到蓄能器,使得可以平稳主缸的初始运转并减小增压系统尺寸。
    • 15. 发明授权
    • Hydraulic pressure booster
    • 液压助力器
    • US4920857A
    • 1990-05-01
    • US206783
    • 1988-06-15
    • Makoto HoriuchiYoshitaka MiyakawaKazuya Sakurai
    • Makoto HoriuchiYoshitaka MiyakawaKazuya Sakurai
    • B60T11/22B60T13/14
    • B60T13/144B60T11/22
    • In a hydraulic pressure booster comprising a booster piston slidably fitted in a booster cylinder coupled to a rear end of a master cylinder, the piston having at a leading end thereof an output rod abutting against a rear end of a master piston slidably fitted in the master cylinder, an inlet valve interposed between an output hydraulic oil chamber defined to face a back surface of the booster piston and an input hydraulic oil chamber leading to a hydraulic pressure supply source, the inlet valve being opened in response to an advancing movement, relative to the booster piston, of a valve piston connected to an operating member and slidably fitted in the booster piston, an outlet valve interposed between the output hydraulic oil chamber and an outlet chamber leading to an oil tank, said outlet valve being adapted to be closed in response to the advancing movement of the valve piston relative to the booster piston, and a reaction mechanism provided between the valve piston and the output rod for transmitting an operational reaction force of the output rod to the valve piston, the reaction mechanism comprises a reaction piston slidably fitted in the valve piston in such a manner that a front end thereof is capable of abutting against either of the output rod and the booster piston integral with the output rod, and a hydraulic pressure of the output hydraulic oil chamber acting on a back surface of the reaction piston, and an operation-starting set spring interposed between the valve piston and the reaction piston for biasing the reaction piston rearwardly relative to the valve piston.
    • 在包括可滑动地装配在联接到主缸的后端的增压缸中的增压活塞的液压增压器中,活塞在其前端处具有一抵靠主活塞的后端的输出杆,该主活塞可滑动地装配在主缸 插入在被限定为面对增压器活塞的后表面的输出液压油室和通向液压供给源的输入液压油室之间的入口阀,所述入口阀响应于前进运动而打开,相对于 所述增压活塞连接到操作构件并可滑动地装配在所述增压器活塞中的阀活塞,插入所述输出液压油室和通向油箱的出口室之间的出口阀,所述出口阀适于关闭 响应于阀活塞相对于增压器活塞的前进运动,以及设置在阀活塞和出口之间的反作用机构 用于将输出杆的操作反作用力传递到阀活塞的反作用机构,反作用机构包括可滑动地装配在阀活塞中的反作用活塞,使得其前端能够抵靠输出杆和 所述增压活塞与所述输出杆成一体,以及作用在所述反作用活塞的后表面上的所述输出液压油室的液压,以及设置在所述阀活塞和所述反作用活塞之间的操作起动设定弹簧,用于使所述反作用活塞 相对于阀活塞向后。