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    • 1. 发明授权
    • Vehicle impact absorbing bumper device with collision detector
    • 车辆碰撞检测器碰撞保险杠装置
    • US3908781A
    • 1975-09-30
    • US40945673
    • 1973-10-25
    • NIPPON SOKEN
    • OISHI KAZUOYAMADA TAKASHIMATSUI TAKESHI
    • B60R21/00B60R19/32B60R21/01B60R21/16B60R21/02
    • B60R21/0136B60R19/32
    • There is provided a vehicle impact absorbing bumper device equipped with a collision detector which comprises a bumper device for absorbing, during the collision of a vehicle, the striking energy of the collision, and a collision detector formed integral with the bumper device and adapted so that when a heavy collision occurs producing a striking energy so large that the bumper device cannot absorb it alone, an actuation signal is generated in a device for protecting the occupants of the vehicle. The collision detector comprises a generating means disposed within the bumper cylinder and composed of a stator providing a magnetic path and a generating winding for generating a voltage in accordance with the variation of magnetic reluctance of the magnetic path, and alternate projections and notches composed of a magnetic material and formed on the piston of the bumper device to change the magnetic reluctance of the magnetic path.
    • 本发明提供了一种装有碰撞检测器的车辆冲击吸收保险杠装置,该碰撞检测器包括用于在车辆碰撞期间吸收碰撞的冲击能量的缓冲装置和与保险杠装置形成一体的碰撞检测器, 当发生重大碰撞时产生如此大的撞击能量使得保险杠装置不能单独吸收,在用于保护车辆乘员的装置中产生致动信号。 碰撞检测器包括设置在保险杠缸内并由提供磁路的定子和用于根据磁路的磁阻的变化产生电压的发电绕组的发电装置,以及由 磁性材料并形成在保险杠装置的活塞上以改变磁路的磁阻。
    • 7. 发明专利
    • Fuel cell diagnosis device
    • 燃油细胞诊断装置
    • JP2013125604A
    • 2013-06-24
    • JP2011272511
    • 2011-12-13
    • Nippon Soken Inc株式会社日本自動車部品総合研究所Denso Corp株式会社デンソーToyota Motor Corpトヨタ自動車株式会社
    • OKAMIYA MINORUKATO IKUYASUSAKAGAMI YUICHIYAMADA TAKASHISUEMATSU KEIGO
    • H01M8/04H01M8/02H01M8/10
    • Y02E60/521
    • PROBLEM TO BE SOLVED: To provide a fuel cell diagnosis device capable of diagnosing a supply state of a reaction gas for a fuel cell with accuracy.SOLUTION: A fuel cell diagnosis device has: a signal application part 431 applying AC signals in different frequency domains to a fuel cell 1; a local current sensor 41 detecting a local current flowing in a local portion of a unit cell 10 to be a diagnosis target; a voltage sensor 42 detecting a voltage of the fuel cell 1; an impedance measurement part 432 measuring a first impedance Zcorresponding to the AC signal in a high frequency domain, and a second impedance Zcorresponding to the AC signal in a low frequency domain on the basis of detection values of the local current sensor 41 and the voltage sensor 42; a correction value calculation part 433 calculating a correction value Zexclusive of influences of a dry/wet state in the unit cell 10 from the second impedance Zby using the first impedance Z; and a diagnosis part 434 diagnosing a supply state of a reaction gas for the fuel cell 1 by using the correction value Zcalculated by the correction value calculation part 433.
    • 解决问题的方案:提供能够精确地诊断燃料电池的反应气体的供给状态的燃料电池诊断装置。 燃料电池诊断装置具有:向燃料电池1施加不同频域的交流信号的信号施加部431; 局部电流传感器41,检测在单元10的本地部分流动的局部电流,作为诊断对象; 检测燃料电池1的电压的电压传感器42; 测量与高频域中的AC信号对应的第一阻抗Z H SB的阻抗测量部432和第二阻抗Z L < SB>基于局部电流传感器41和电压传感器42的检测值对应于低频域中的AC信号; 校正值计算部433从第二阻抗Z α > L ,通过使用第一阻抗Z H ; 以及通过使用由校正值计算部433计算出的校正值Z α来诊断燃料电池1的反应气体的供给状态的诊断部434。 (C)2013,JPO&INPIT