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    Vehicular internal gear type oil pump
    1.
    发明授权
    Vehicular internal gear type oil pump 有权
    车用内齿轮式油泵

    公开(公告)号：US08956133B2

    公开(公告)日：2015-02-17

    申请号：US13704094

    申请日：2011-06-17

    申请人： Yusuke Ogata ,  Yoshihiro Mizuno ,  Masashi Hattori ,  Masahiro Ito ,  Naoki Okoshi ,  Kenichi Mori ,  Masahiko Suzuki ,  Fumitake Suzuki ,  Hidenobu Yamaguchi ,  Haruhiko Shibata

    发明人： Yusuke Ogata ,  Yoshihiro Mizuno ,  Masashi Hattori ,  Masahiro Ito ,  Naoki Okoshi ,  Kenichi Mori ,  Masahiko Suzuki ,  Fumitake Suzuki ,  Hidenobu Yamaguchi ,  Haruhiko Shibata

    IPC分类号： F04C2/00 ,  F01C1/02 ,  F04C2/08 ,  F04C2/10 ,  F04C15/00 ,  F04C15/06 ,  F16H61/00

    CPC分类号： F04C2/082 ,  F04C2/102 ,  F04C15/0049 ,  F04C15/062 ,  F04C2210/14 ,  F16H61/0025

    摘要： An oil pump includes a first spill passage formed on a side surface (60) of a pump chamber (58) to communicate a hydraulic pressure chamber (54) with a first high pressure discharge passage (68) when the entire hydraulic pressure chamber (54) is positioned between the first high pressure discharge passage (68) and a first low pressure discharge passage (70). Therefore, when the hydraulic pressure chamber (54) passes between the first high pressure discharge passage (68) and the first low pressure discharge passage (70), the hydraulic pressure inside the predetermined hydraulic pressure chamber (54) escapes to the first high pressure discharge passage (68) through a first spill passage (76), so a hydraulic pressure value inside the hydraulic pressure chamber (54) is maintained at the pressure value inside the first high pressure discharge passage (68). As a result, fluid is inhibited from flowing into the hydraulic pressure chamber (54) from the first high pressure discharge passage (68) through a space between inner peripheral teeth (48) and outer peripheral teeth (42).

    摘要翻译： 油泵包括形成在泵室（58）的侧表面（60）上的第一溢流通道，用于在整个液压室（54）处连通液压室（54）与第一高压排放通道（68） ）位于第一高压排出通道（68）和第一低压排出通道（70）之间。 因此，当液压室54通过第一高压排出通路68和第一低压排出通路70之间时，预定的液压室54内的液压从第一高压 通过第一溢流通道（76）排出通道（68），使得液压室（54）内的液压值保持在第一高压排出通道（68）内的压力值。 结果，流体被阻止从第一高压排出通道（68）通过内周齿（48）和外周齿（42）之间的空间流入液压室（54）。

    VEHICULAR INTERNAL GEAR TYPE OIL PUMP
    2.
    发明申请
    VEHICULAR INTERNAL GEAR TYPE OIL PUMP 有权
    车用内燃机型油泵

    公开(公告)号：US20130089453A1

    公开(公告)日：2013-04-11

    申请号：US13704094

    申请日：2011-06-17

    申请人： Yusuke Ogata ,  Yoshihiro Mizuno ,  Masashi Hattori ,  Masahiro Ito ,  Naoki Okoshi ,  Kenichi Mori ,  Masahiko Suzuki ,  Fumitake Suzuki ,  Hidenobu Yamaguchi ,  Haruhiko Shibata

    发明人： Yusuke Ogata ,  Yoshihiro Mizuno ,  Masashi Hattori ,  Masahiro Ito ,  Naoki Okoshi ,  Kenichi Mori ,  Masahiko Suzuki ,  Fumitake Suzuki ,  Hidenobu Yamaguchi ,  Haruhiko Shibata

    IPC分类号： F04C2/08

    CPC分类号： F04C2/082 ,  F04C2/102 ,  F04C15/0049 ,  F04C15/062 ,  F04C2210/14 ,  F16H61/0025

    摘要： An oil pump includes a first spill passage formed on a side surface (60) of a pump chamber (58) to communicate a hydraulic pressure chamber (54) with a first high pressure discharge passage (68) when the entire hydraulic pressure chamber (54) is positioned between the first high pressure discharge passage (68) and a first low pressure discharge passage (70). Therefore, when the hydraulic pressure chamber (54) passes between the first high pressure discharge passage (68) and the first low pressure discharge passage (70), the hydraulic pressure inside the predetermined hydraulic pressure chamber (54) escapes to the first high pressure discharge passage (68) through a first spill passage (76), so a hydraulic pressure value inside the hydraulic pressure chamber (54) is maintained at the pressure value inside the first high pressure discharge passage (68). As a result, fluid is inhibited from flowing into the hydraulic pressure chamber (54) from the first high pressure discharge passage (68) through a space between inner peripheral teeth (48) and outer peripheral teeth (42).

    摘要翻译： 油泵包括形成在泵室（58）的侧表面（60）上的第一溢流通道，用于在整个液压室（54）处连通液压室（54）与第一高压排放通道（68） ）位于第一高压排出通道（68）和第一低压排出通道（70）之间。 因此，当液压室54通过第一高压排出通路68和第一低压排出通路70之间时，预定的液压室54内的液压从第一高压 通过第一溢流通道（76）排出通道（68），使得液压室（54）内的液压值保持在第一高压排出通道（68）内的压力值。 结果，流体被阻止从第一高压排出通道（68）通过内周齿（48）和外周齿（42）之间的空间流入液压室（54）。

    Hydraulic pump or motor with rotary cylinder barrel
    3.
    发明授权
    Hydraulic pump or motor with rotary cylinder barrel 失效
    液压泵或电动机带旋转气缸

    公开(公告)号：US5094145A

    公开(公告)日：1992-03-10

    申请号：US580561

    申请日：1990-09-11

    申请人： Kiyoshi Wakabayashi ,  Masami Sakamoto ,  Tsuyoshi Handa ,  Hidenobu Yamaguchi

    发明人： Kiyoshi Wakabayashi ,  Masami Sakamoto ,  Tsuyoshi Handa ,  Hidenobu Yamaguchi

    IPC分类号： F04B1/20

    CPC分类号： F04B1/2014

    摘要： A hydraulic pump or motor having a rotary cylinder barrel formed with a plurality of cylinders in which a corresponding number of plungers are axially slidably disposed for reciprocation and a valve plate in frictional engagement with an end face of the cylinder barrel and being formed with a suction slot and a discharge slot to be communicated with the cylinders of the barrel, wherein the cylinder barrel is contained within a cavity formed in a housing having an end wall formed with an inlet passage in open communication with the suction slot of the valve plate and an outlet passage in open communication with the discharge slot of the valve plate, and a fluid control valve assembly is disposed in the end wall of the housing to permit the flow of hydraulic fluid supplied therethrough into the cavity of the housing from the outlet passage when applied with the pressure of hydraulic fluid higher than a predetermined value. A discharge hole is formed in a peripheral wall of the housing to discharge the hydraulic fluid supplied in excess into the cavity of the housing from the outlet passage under control of the fluid control valve assembly.

    摘要翻译： 一种液压泵或电动机，其具有形成有多个气缸的旋转气缸筒，其中相应数量的柱塞可轴向滑动地设置用于往复运动，以及阀板与气缸筒的端面摩擦接合并且形成有吸力 槽和排出槽与筒体的气缸连通，其中气缸筒容纳在形成在壳体中的空腔内，该壳体具有形成有与阀板的吸入槽开放连通的入口通道的端壁， 出口通道与阀板的排出槽开放连通，并且流体控制阀组件设置在壳体的端壁中，以允许当应用时将其从其进入壳体的空腔中从出口通道流入其中的液压流体 液压油的压力高于预定值。 排气孔形成在壳体的周壁上，以便在流体控制阀组件的控制下将从外壳供给的液压流体从出口通道排出。