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    • 1. 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。
    • 6. 发明授权
    • Rotary pump and braking device using same
    • 旋转泵和制动装置使用相同
    • US06474752B2
    • 2002-11-05
    • US09897024
    • 2001-07-03
    • Tomoo HaradaTakahiro YamaguchiToshiya Morikawa
    • Tomoo HaradaTakahiro YamaguchiToshiya Morikawa
    • B60T840
    • B60T8/4275B60T8/4031B60T8/4872F04C2/102F04C15/0042F04C2230/231F04C2230/602
    • In a rotary pump, an outer rotor and an inner rotor are assembled in a casing such that, when a clearance between an inner teeth portion of the outer rotor and an outer teeth portion of the inner rotor is substantially nullified at a first closed gap portion having a maximum volume formed between the inner teeth portion and the outer teeth portion, a clearance between the outer rotor and the casing on a side of the first closed gap portion and a clearance between the outer rotor and the casing on a side of a second closed gap portion having a minimum volume, become substantially an equivalent interval. As a result, the outer rotor and the casing can be brought into contact with each other on the side of the second closed gap portion rather than the central axis of the inner rotor. Even in a high pressure discharge operation, the outer rotor is not locked by being squeezed between the inner rotor and the casing.
    • 在旋转泵中,外转子和内转子组装在壳体中,使得当外转子的内齿部分与内转子的外齿部分之间的间隙在第一闭合间隙部分基本上无效时 具有形成在内齿部分和外齿部分之间的最大体积,在第一闭合间隙部分的一侧上的外转子和壳体之间的间隙以及外转子和壳体之间的间隙在第二闭合间隙部分 具有最小体积的闭合间隙部分变成基本上等效的间隔。 结果,外转子和壳体可以在第二闭合间隙部分的侧面而不是内转子的中心轴线彼此接触。 即使在高压放电操作中,外转子也不被内转子和壳体之间的挤压而锁定。
    • 7. 发明授权
    • Rotary pump and braking device using same
    • 旋转泵和制动装置使用相同
    • US06270169B1
    • 2001-08-07
    • US09170052
    • 1998-10-13
    • Tomoo HaradaTakahiro YamaguchiToshiya Morikawa
    • Tomoo HaradaTakahiro YamaguchiToshiya Morikawa
    • B60T840
    • B60T8/4275B60T8/4031B60T8/4872F04C2/102F04C15/0042F04C2230/231F04C2230/602
    • In a rotary pump, an outer rotor and an inner rotor are assembled in a casing such that, when a clearance between an inner teeth portion of the outer rotor and an outer teeth portion of the inner rotor is substantially nullified at a first closed gap portion having a maximum volume formed between the inner teeth portion and the outer teeth portion, a clearance between the outer rotor and the casing on a side of the first closed gap portion and a clearance between the outer rotor and the casing on a side of a second closed gap portion having a minimum volume, become substantially an equivalent interval. As a result, the outer rotor and the casing can be brought into contact with each other on the side of the second closed gap portion rather than the central axis of the inner rotor. Even in a high pressure discharge operation, the outer rotor is not locked by being squeezed between the inner rotor and the casing.
    • 在旋转泵中,外转子和内转子组装在壳体中,使得当外转子的内齿部分与内转子的外齿部分之间的间隙在第一闭合间隙部分基本上无效时 具有形成在内齿部分和外齿部分之间的最大体积,在第一闭合间隙部分的一侧上的外转子和壳体之间的间隙以及外转子和壳体之间的间隙在第二闭合间隙部分 具有最小体积的闭合间隙部分变成基本上等效的间隔。 结果,外转子和壳体可以在第二闭合间隙部分的侧面而不是内转子的中心轴线彼此接触。 即使在高压放电操作中,外转子也不被内转子和壳体之间的挤压而锁定。
    • 10. 发明授权
    • Anti-skid control apparatus
    • 防滑控制装置
    • US5632532A
    • 1997-05-27
    • US554628
    • 1995-11-06
    • Masaki OhokaToshiya MorikawaTakashi Watanabe
    • Masaki OhokaToshiya MorikawaTakashi Watanabe
    • B60T8/48B60T8/34B60T8/40B60T8/42
    • B60T8/4045B60T8/348B60T8/4291
    • An anti-skid control apparatus which can be manufactured at low cost by reducing the number of valves that control the flow of brake fluid has a master cylinder, a first conduit which includes a first branch conduit and a second branch conduit, a cut-off valve, a first control valve installed in the second branch conduit, a second control valve installed in the second branch conduit and connected to a second wheel cylinder, a second conduit connecting the second control valve and a reservoir, a third control valve installed in the second conduit, and a pump connected in parallel with the third control valve. This arrangement permits flexible anti-skid braking operations using a reduced number of components.
    • 可以通过减少控制制动流体的流动的阀的数量以低成本制造的防滑控制装置具有主缸,包括第一分支管道和第二分支管道的第一管道,截止阀 阀,安装在第二分支管道中的第一控制阀,安装在第二分支管道中并连接到第二轮缸的第二控制阀,连接第二控制阀和储存器的第二管道,安装在第二控制阀中的第三控制阀 第二管道和与第三控制阀并联连接的泵。 这种布置允许使用减少数量的部件的灵活的防滑制动操作。