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    • 3. 发明申请
    • LUBRICANT SYSTEM
    • 润滑系统
    • US20110305585A1
    • 2011-12-15
    • US13202097
    • 2010-02-18
    • Kouhei TomitaToshihiko Endo
    • Kouhei TomitaToshihiko Endo
    • F04B41/06
    • F01D25/20F04B49/02F04B49/08F05D2220/31F16N13/00F16N13/18
    • There is proposed a lubricant system having a plurality of motor-driven pumps operating in parallel as main oil pumps, wherein even if at least one of the main oil pumps stops, the other normally operating main oil pumps do not stop due to overload of a motor. A lubricant system 7 comprises a hydraulic pressure piping 9, a plurality of lubricant pumps 10 arranged in parallel, a plurality of AC motors 11 driving each of the lubricant pumps 10, an error detector 24 detecting a presence or absence of an error in an operating state of each of the AC motors 11, a pressure loss addition unit 25 configured to increase pressure loss in the hydraulic pressure piping 9, and a controller 26 causing the pressure loss addition unit 25 to increase pressure loss when the error detector 24 detects an error in at least one of the AC motors 11. When an error occurs in at least one of the AC motors 11, the lubricant system 7 changes each working point of the lubricant pumps 10 driven by another AC motor 11 to a lower flow side than that in a steady operation.
    • 提出了一种具有作为主油泵并联运行的多个电动泵的润滑剂系统,其中即使至少一个主油泵停止,另一个正常运行的主油泵由于过载而不停止 发动机。 润滑剂系统7包括液压管道9,平行布置的多个润滑剂泵10,驱动每个润滑剂泵10的多个AC电机11,检测操作中存在或不存在错误的误差检测器24 每个交流电动机11的状态,压力损失加法单元25,其被配置为增加液压管道9中的压力损失;以及控制器26,当误差检测器24检测到错误时,使压力损失加法单元25增加压力损失 在至少一个AC电动机11中。当在至少一个AC电动机11中发生错误时,润滑剂系统7将由另一个AC电动机11驱动的润滑剂泵10的每个工作点改变到比其低的流动侧 稳定运行。
    • 6. 发明授权
    • Lubricant system
    • 润滑系统
    • US09057285B2
    • 2015-06-16
    • US13202097
    • 2010-02-18
    • Kouhei TomitaToshihiko Endo
    • Kouhei TomitaToshihiko Endo
    • F04B49/00F01D25/20F04B49/08F16N13/18F04B49/02F16N13/00
    • F01D25/20F04B49/02F04B49/08F05D2220/31F16N13/00F16N13/18
    • There is proposed a lubricant system having a plurality of motor-driven pumps operating in parallel as main oil pumps, wherein even if at least one of the main oil pumps stops, the other normally operating main oil pumps do not stop due to overload of a motor. A lubricant system 7 comprises a hydraulic pressure piping 9, a plurality of lubricant pumps 10 arranged in parallel, a plurality of AC motors 11 driving each of the lubricant pumps 10, an error detector 24 detecting a presence or absence of an error in an operating state of each of the AC motors 11, a pressure loss addition unit 25 configured to increase pressure loss in the hydraulic pressure piping 9, and a controller 26 causing the pressure loss addition unit 25 to increase pressure loss when the error detector 24 detects an error in at least one of the AC motors 11. When an error occurs in at least one of the AC motors 11, the lubricant system 7 changes each working point of the lubricant pumps 10 driven by another AC motor 11 to a lower flow side than that in a steady operation.
    • 提出了一种具有作为主油泵并联运行的多个电动泵的润滑剂系统,其中即使至少一个主油泵停止,另一个正常运行的主油泵由于过载而不停止 发动机。 润滑剂系统7包括液压管道9,平行布置的多个润滑剂泵10,驱动每个润滑剂泵10的多个AC电机11,检测操作中存在或不存在错误的误差检测器24 每个交流电动机11的状态,压力损失加法单元25,其被配置为增加液压管道9中的压力损失;以及控制器26,当误差检测器24检测到错误时,使压力损失加法单元25增加压力损失 在至少一个AC电动机11中。当在至少一个AC电动机11中发生错误时,润滑剂系统7将由另一个AC电动机11驱动的润滑剂泵10的每个工作点改变到比其低的流动侧 稳定运行。
    • 7. 发明授权
    • Power assist bicycle
    • 动力辅助自行车
    • US6152251A
    • 2000-11-28
    • US175450
    • 1998-10-20
    • Hisao NagaiKouhei TomitaShinobu TsutsumikoshiKosaku Yamauchi
    • Hisao NagaiKouhei TomitaShinobu TsutsumikoshiKosaku Yamauchi
    • B62J11/00B62K11/04B62K19/30B62M6/80B62M6/90B62M7/00
    • B62M6/55B62K11/04B62K19/30B62M6/40B62M6/90
    • A power assist bicycle includes a front wheel and a rear wheel, a bicycle body frame supporting the front and rear wheels to be rotatable, a saddle mounted to the bicycle body frame on which a rider rides, and a pair of pedals which are operatively connected to each other through a crank shaft, and the bicycle body frame includes a head pipe supporting the front wheel, a main pipe extending obliquely downward in a rearward direction from the head pipe, and a saddle pipe supporting the saddle at an upper end portion thereof in a standing attitude of the bicycle. The main pipe and the saddle pipe have lower end portions which are connected to each other through a power unit so as to define a leg space having substantially a V-shape therebetween through which a leg of the rider moves when getting on or off from the saddle, and a battery unit having a rectangular parallelopiped shape is also arranged so as to be operatively connected to the power unit at a lowest position of the V-shaped leg space so as to extend in a horizontal direction of the bicycle.
    • 动力辅助自行车包括前轮和后轮,支撑前轮和后轮以可旋转的自行车主体框架,安装到骑车人骑行的自行车车身框架上的鞍座和可操作地连接的一对踏板 并且自行车主体框架包括支撑前轮的头管,从头管沿向后方向倾斜向下延伸的主管,以及在其上端支撑鞍座的鞍形管 以自行车的站立态度。 主管和鞍管具有通过动力单元彼此连接的下端部,以便限定在其间具有基本上V形的腿部空间,当从其中进入或离开时,骑手的腿部通过该腿部空间移动 并且具有矩形平行六面体形状的电池单元也被布置成在V形腿部空间的最低位置处可操作地连接到动力单元,以便在自行车的水平方向上延伸。