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    • 3. 发明授权
    • Fuel vapor leak check module
    • 燃油蒸汽泄漏检查模块
    • US07059177B2
    • 2006-06-13
    • US10923774
    • 2004-08-24
    • Mitsuyuki KobayashiYoshichika YamadaHitoshi Amano
    • Mitsuyuki KobayashiYoshichika YamadaHitoshi Amano
    • G01M19/00
    • F02M25/0818F02M25/0809F02M2025/0845
    • A fuel vapor leak check module has a pump for generating a pressure gradient between an inside and an outside of a fuel tank. The pump is driven by a motor which has driving shaft supported by a bearing. A lubricant is provided between the driving shaft and the bearing. When the pump is operated, a pressure gradient between a pump-side space and a motor-side space is generated whereby a lubricant is introduced from one of the pump-side space and the motor-side space to another, so that the introduced lubricant deteriorates the pump performance or motor performance. To avoid such a situation, communication passage is provided which communicates the motor-side space and the pump-side space. The inner pressure of the motor-side space becomes equal to that of the pump-side space.
    • 燃料蒸气泄漏检查模块具有用于在燃料箱的内部和外部之间产生压力梯度的泵。 泵由具有由轴承支撑的驱动轴的电动机驱动。 在驱动轴和轴承之间设置润滑剂。 当泵运行时,产生泵侧空间与电动机侧空间之间的压力梯度,从而将润滑剂从泵侧空间和电动机侧空间之一引入到另一侧,从而导入润滑剂 使泵性能或电机性能恶化。 为了避免这种情况,提供连通电动机侧空间和泵侧空间的连通通路。 电动机侧空间的内部压力等于泵侧空间的内部压力。
    • 4. 发明授权
    • Vane pump and evaporative leak check system having the same
    • 叶片泵和蒸发泄漏检查系统具有相同的功能
    • US08419396B2
    • 2013-04-16
    • US12941122
    • 2010-11-08
    • Taiki YasuzakaMitsuyuki KobayashiHitoshi Amano
    • Taiki YasuzakaMitsuyuki KobayashiHitoshi Amano
    • F03C2/00F03C4/00F04C15/00
    • F04C18/3441F02M25/0809F02M25/0818F04C27/003F04C2240/30
    • An upper casing receives a rotor, which is rotated by a drive force of a motor. The upper casing includes a pump chamber, which receives the rotor, a planar surface portion, which is formed around an opening of the pump chamber, and a through hole. A lower casing includes a planar surface portion, which is formed around the opening of the pump chamber, and a through hole. The lower casing closes the opening of the pump chamber to form the pump chamber in cooperation with the upper casing. A resilient sheet is placed between the lower casing and a mount portion of the motor and includes a through hole. A screw is received through the through holes of the upper casing, the lower casing and the resilient sheet to securely connect the upper casing, the lower casing and the resilient sheet to the mount portion. A lower casing side surface of the resilient sheet includes a plurality of primary protrusions.
    • 上壳体容纳由电动机的驱动力旋转的转子。 上壳体包括容纳转子的泵室,围绕泵室的开口形成的平面表面部分和通孔。 下壳体包括围绕泵室的开口形成的平坦表面部分和通孔。 下壳体关闭泵室的开口以与上壳体协作形成泵室。 弹性片被放置在下壳体和马达的安装部分之间,并且包括通孔。 通过上壳体,下壳体和弹性片的通孔容纳螺钉,以将上壳体,下壳体和弹性片材牢固地连接到安装部分。 弹性片的下壳侧面包括多个主突起。
    • 5. 发明申请
    • VANE PUMP AND EVAPORATIVE LEAK CHECK SYSTEM HAVING THE SAME
    • VANE泵和蒸气泄漏检查系统
    • US20110123371A1
    • 2011-05-26
    • US12941122
    • 2010-11-08
    • Taiki YasuzakaMitsuyuki KobayashiHitoshi Amano
    • Taiki YasuzakaMitsuyuki KobayashiHitoshi Amano
    • F04B35/04G01M3/20
    • F04C18/3441F02M25/0809F02M25/0818F04C27/003F04C2240/30
    • An upper casing receives a rotor, which is rotated by a drive force of a motor. The upper casing includes a pump chamber, which receives the rotor, a planar surface portion, which is formed around an opening of the pump chamber, and a through hole. A lower casing includes a planar surface portion, which is formed around the opening of the pump chamber, and a through hole. The lower casing closes the opening of the pump chamber to form the pump chamber in cooperation with the upper casing. A resilient sheet is placed between the lower casing and a mount portion of the motor and includes a through hole. A screw is received through the through holes of the upper casing, the lower casing and the resilient sheet to securely connect the upper casing, the lower casing and the resilient sheet to the mount portion. A lower casing side surface of the resilient sheet includes a plurality of primary protrusions.
    • 上壳体容纳由电动机的驱动力旋转的转子。 上壳体包括容纳转子的泵室,围绕泵室的开口形成的平面表面部分和通孔。 下壳体包括围绕泵室的开口形成的平坦表面部分和通孔。 下壳体关闭泵室的开口以与上壳体协作形成泵室。 弹性片被放置在下壳体和马达的安装部分之间,并且包括通孔。 通过上壳体,下壳体和弹性片的通孔容纳螺钉,以将上壳体,下壳体和弹性片材牢固地连接到安装部分。 弹性片的下壳侧面包括多个主突起。
    • 7. 发明申请
    • Fuel vapor leak check module
    • 燃油蒸汽泄漏检查模块
    • US20050044939A1
    • 2005-03-03
    • US10923774
    • 2004-08-24
    • Mitsuyuki KobayashiYoshichika YamadaHitoshi Amano
    • Mitsuyuki KobayashiYoshichika YamadaHitoshi Amano
    • G01M3/26F02M25/08G01M99/00G01M19/00
    • F02M25/0818F02M25/0809F02M2025/0845
    • A fuel vapor leak check module has a pump for generating a pressure gradient between an inside and an outside of a fuel tank. The pump is driven by a motor which has driving shaft supported by a bearing. A lubricant is provided between the driving shaft and the bearing. When the pump is operated, a pressure gradient between a pump-side space and a motor-side space is generated whereby a lubricant is introduced from one of the pump-side space and the motor-side space to another, so that the introduced lubricant deteriorates the pump performance or motor performance. To avoid such a situation, communication passage is provided which communicates the motor-side space and the pump-side space. The inner pressure of the motor-side space becomes equal to that of the pump-side space.
    • 燃料蒸气泄漏检查模块具有用于在燃料箱的内部和外部之间产生压力梯度的泵。 泵由具有由轴承支撑的驱动轴的电动机驱动。 在驱动轴和轴承之间设置润滑剂。 当泵运行时,产生泵侧空间与电动机侧空间之间的压力梯度,从而将润滑剂从泵侧空间和电动机侧空间之一引入到另一侧,从而导入润滑剂 使泵性能或电机性能恶化。 为了避免这种情况,提供连通电动机侧空间和泵侧空间的连通通路。 电动机侧空间的内部压力等于泵侧空间的内部压力。
    • 10. 发明申请
    • Vane pump including rotor having eccentric gravity center
    • 叶片泵包括具有偏心重心的转子
    • US20060099099A1
    • 2006-05-11
    • US11267302
    • 2005-11-07
    • Hitoshi Amano
    • Hitoshi Amano
    • F04C27/00F01C19/00F04C2/00F01C1/00F04C18/00
    • F04C15/0073F04C2230/60
    • A vane pump includes a casing having a cylindrical inner bore and a rotor disposed in the inner bore with an eccentric relation thereto, forming a circular pump chamber between the rotor and the inner bore. The circular pump chamber is divided by vanes held in the rotor into pump chambers changing their capacities according to rotation of the rotor. A gravity center of the rotor is shifted from the rotational center of the rotor by removing or adding some weight, so that an imbalanced centrifugal force is applied to the rotor. The driving shaft and the rotor are tightly coupled to each other by the imbalanced centrifugal force even if there is a small gap or dimensional errors therebetween.
    • 叶片泵包括具有圆柱形内孔的壳体和设置在内孔中的与其偏心关系的转子,在转子和内孔之间形成圆形泵室。 圆形泵室由保持在转子中的叶片分成泵室,根据转子的旋转改变其容量。 通过除去或增加一些重量,转子的重心从转子的旋转中心移动,使得不平衡的离心力施加到转子。 驱动轴和转子通过不平衡的离心力彼此紧密结合,即使它们之间存在小的间隙或尺寸误差。