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    • 11. 发明授权
    • Brake booster system including a power piston slidably supported by a
resilient convolution chamber at its peripheral edge
    • 制动助力器系统包括一个动力活塞,其活塞在其周边边缘由弹性卷积室支撑
    • US5716110A
    • 1998-02-10
    • US590199
    • 1996-01-23
    • Kazuo SunamiKenji TakedaMitsuo InagakiHiroyuki Shinkai
    • Kazuo SunamiKenji TakedaMitsuo InagakiHiroyuki Shinkai
    • B60T13/52B60T8/44B60T13/563B60T13/569B60T13/72B60T11/16
    • B60T8/448B60T13/563B60T13/569B60T13/72
    • A housing of a brake booster 100 includes a pair of shells 1 and 5 and a ring 3 interposed therebetween which cooperatively define an interior space for accommodating a power piston 13. The interior space is divided into a front chamber 15 and a rear chamber 16 partitioned by the power piston 13. The power piston 13 has a diaphragm 2 interposed between the front chamber 15 and the rear chamber 16. The diaphragm 2 is shiftable in an axial direction thereof in response to pressure imbalance between the front chamber 15 and the rear chamber 16. A convolution chamber 2d is provided between an inner side of the housing and an outer peripheral edge of the diaphragm 2. The convolution chamber 2d is defined by a resilient annular member flattened in the axial direction and isolated from both the front chamber 15 and the rear chamber 16. The annular member elastically rolls along the inner side of the housing in response to pressure imbalance between the convolution chamber 2d and one of the front 15 and rear chambers 16. And, a port 28 is formed in the ring 3 to supply constant pressure into the convolution chamber 2b.
    • 制动助力器100的壳体包括一对壳体1和5以及插入其间的环3,它们协同地限定用于容纳动力活塞13的内部空间。内部空间被分成前腔室15和后腔室16分隔开 动力活塞13具有插入在前室15和后室16之间的隔膜2.隔膜2可以响应于前室15和后室之间的压力不平衡在轴向方向上移动 卷绕室2d设置在壳体的内侧和隔膜2的外周边缘之间。卷积室2d由沿轴向方向平坦化的弹性环形构件限定,并与前室15和 后室16.环形构件响应于卷积室2d和其中一个fr之间的压力不平衡而沿着壳体的内侧弹性地滚动 并且,在环3中形成端口28,以向卷积室2b供给恒定的压力。
    • 15. 发明授权
    • Pump equipment and method for assembling same
    • 泵设备及组装方法
    • US06347843B1
    • 2002-02-19
    • US09295311
    • 1999-04-21
    • Takashi MurayamaTakeshi FuchidaDaizo ObaHiroyuki ShinkaiToshiya Morikawa
    • Takashi MurayamaTakeshi FuchidaDaizo ObaHiroyuki ShinkaiToshiya Morikawa
    • B60T840
    • F04C15/0042B60T8/348B60T8/4031B60T8/4872B60T17/02F04C2/102F04C11/001F04C2230/231F04C2230/60Y10T29/49236
    • In a pump equipment having one or more rotary pumps for a hydraulic circuit, the intake port is communicated with the shaft hole for inserting the drive shaft and fluid flows through the shaft hole to a fluid groove provided in inner surfaces of the pump room for the purpose of lubrication. To prevent fluid leakage to the outside, first and second oil seals are disposed for filling the clearance between the drive shaft and the shaft hole and, preferably, a communicating conduit is provided between the first and second oil seals to transmit the fluid leaked through the first oil seal to a low pressure fluid conduit of the hydraulic circuit. In particular, in the pump equipment having plural rotary pumps, the respective discharge ports of the rotary pumps are located at the points which are nearly symmetrical with respect to the center axis of the drive shaft to counterbalance each other, the reaction forces against the drive shaft to be produced by the high pressure at the respective discharge ports.
    • 在具有用于液压回路的一个或多个旋转泵的泵设备中,进气口与用于插入驱动轴的轴孔连通,并且流体通过轴孔流动到设置在泵室内表面的流体槽,用于 润滑目的。 为了防止流体泄漏到外部,设置第一和第二油封以填充驱动轴和轴孔之间的间隙,并且优选地,在第一和第二油封之间设置连通导管,以传递通过 第一个油封到液压回路的低压流体管道。 特别地,在具有多个旋转泵的泵设备中,旋转泵的各排出口位于相对于驱动轴的中心轴线近似对称的位置上,以抵抗驱动力 轴由相应排出口处的高压产生。