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    • 12. 发明申请
    • MOTOR CONTROL DEVICE
    • 电机控制装置
    • US20110234135A1
    • 2011-09-29
    • US13018897
    • 2011-02-01
    • Koichi KATOKeisuke NISHIMURAZhiqian CHENSubrata SAHA
    • Koichi KATOKeisuke NISHIMURAZhiqian CHENSubrata SAHA
    • H02P6/18
    • H02P6/183H02P21/26
    • A motor control device that has a high-frequency component, and a DC bias component that has a magnitude which causes a motor to be magnetically saturated and take on a certain value over a predetermined period, and is positively and negatively symmetrical are impressed as an observation command on a d-axis current command. The polarity of the magnetic pole of a permanent magnet is identified based on a relationship of large and small magnitudes between a first amplitude, which is attained during a period during which a DC bias component takes on a positive certain value, among amplitudes of a high- frequency component contained in a d-axis response voltage computed based on a feedback current respondent to the observation command, and a second amplitude attained during a period during which the DC bias component takes on a negative certain value.
    • 具有高频分量的电动机控制装置和具有使电动机在一定时间内达到一定值并且呈正负对称的电动机饱和并达到一定值的大小的直流偏压分量作为 观察指令在d轴电流指令。 基于在DC偏置分量取正值之间达到的第一幅度之间的大和小幅度之间的关系来识别永磁体的磁极的极性 - 包含在基于对观察命令的响应的反馈电流计算的d轴响应电压中的频率分量,以及在DC偏置分量承受负特定值的时段期间获得的第二幅度。
    • 13. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20090074432A1
    • 2009-03-19
    • US12194649
    • 2008-08-20
    • Emi KITAKoichi KATOMaiko KOEDA
    • Emi KITAKoichi KATOMaiko KOEDA
    • G03G15/08
    • G03G15/0877G03G15/0856G03G15/0893
    • An image forming apparatus including an image bearing member; a developing device forming a toner image; a toner supplying device including a toner container, a toner feeding passage, a pump, in which a first member is moved while rubbing a second member to feed a developer supplement including at least the toner, and a residual toner detector detecting the amount of the developer supplement remaining in the toner container. Even after the toner container achieves a near empty state, image forming operations are continued as long as a predetermined condition is satisfied while changing the pump's condition such that the pump is stopped, the ratio of the pump stopping period to the pump driving period is set to be greater than that before the near-empty detection, or the pump stopping period and the pump driving period are set to be longer than those before the near-empty detection.
    • 一种图像形成装置,包括图像承载部件; 形成调色剂图像的显影装置; 调色剂供应装置,包括调色剂容器,调色剂供给通道,泵,其中第一构件在摩擦第二构件的同时移动以供给至少包括调色剂的显影剂补充剂;以及残留调色剂检测器, 显影剂补充剂残留在调色剂容器中。 即使在调色剂容器达到接近空的状态之后,只要在改变泵的状态使得停止泵的情况下满足预定条件,停止泵的停止时间与泵的驱动时间的比率,就继续进行图像形成操作 大于在近空检测之前,或将泵停止期间和泵驱动期间设定为比近空检测之前长。
    • 16. 发明申请
    • FUEL CELL SYSTEM AND METHOD FOR OPERATING FUEL CELL SYSTEM
    • 燃料电池系统和操作燃料电池系统的方法
    • US20120189935A1
    • 2012-07-26
    • US13354328
    • 2012-01-20
    • Koichi KATOKoichi TAKAKU
    • Koichi KATOKoichi TAKAKU
    • H01M8/04H01M8/02
    • H01M8/04432H01M8/04201H01M8/04388H01M8/04753H01M2250/20Y02T90/32
    • A fuel cell system includes a fuel cell, a fuel-gas supplier, a fuel supply path, a shut-off valve, a pressure reducing valve, an auxiliary device, a pressure sensor, a depressurizing device, and a controller. The fuel supply path connects the fuel cell to the fuel-gas supplier. The pressure sensor is configured to detect a pressure in the fuel supply path located downstream of the pressure reducing valve. The depressurizing device is to reduce the pressure in the fuel supply path located downstream of the pressure reducing valve. The controller is configured to control the depressurizing device to reduce the pressure in the fuel supply path located downstream of the pressure reducing valve when the pressure detected by the pressure sensor exceeds a predetermined threshold pressure.
    • 燃料电池系统包括燃料电池,燃料气体供应器,燃料供给路径,截止阀,减压阀,辅助装置,压力传感器,减压装置和控制器。 燃料供给路径将燃料电池连接到燃料气体供应器。 压力传感器构造成检测位于减压阀下游的燃料供给路径中的压力。 减压装置是减少位于减压阀下游的燃料供给路径中的压力。 控制器构造成当由压力传感器检测到的压力超过预定阈值压力时,控制减压装置以减小位于减压阀下游的燃料供给路径中的压力。