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    CONTROL SYSTEM FOR SECONDARY BATTERY, ELECTRICALLY POWERED VEHICLE HAVING SAME, AND METHOD FOR CONTROLLING SECONDARY BATTERY
    25.
    发明申请
    CONTROL SYSTEM FOR SECONDARY BATTERY, ELECTRICALLY POWERED VEHICLE HAVING SAME, AND METHOD FOR CONTROLLING SECONDARY BATTERY 有权
    二次电池控制系统，具有电动车辆的电动车辆及其二次电池控制方法

    公开(公告)号：US20100204861A1

    公开(公告)日：2010-08-12

    申请号：US12678659

    申请日：2008-09-25

    申请人： Keiji Kaita ,  Teruo Ishishita ,  Shinobu Okayama ,  Yuji Nishi ,  Daisuke Kuroda

    发明人： Keiji Kaita ,  Teruo Ishishita ,  Shinobu Okayama ,  Yuji Nishi ,  Daisuke Kuroda

    IPC分类号： H01M10/44 ,  H02J7/00 ,  B60L3/00

    CPC分类号： H01M10/484 ,  B60L11/1851 ,  B60L11/1861 ,  G01R31/3658 ,  H01M10/0525 ,  H02J7/0088 ,  Y02E60/122 ,  Y02T10/7011 ,  Y02T10/7044 ,  Y02T10/705

    摘要： During use of a secondary battery, a concentration change ratio estimating unit estimates a ratio of change in electrolytic solution concentration based on a charging/discharging current. According to the estimated ratio of change, a concentration estimated value calculating unit sequentially calculates an electrolytic solution concentration estimated value during the use of the secondary battery. Based on the estimated electrolytic solution concentration estimated value, a determining unit determines whether or not the electrolytic solution concentration is within a normal range. When the electrolytic solution concentration is outside the normal range, a charging/discharging condition modifying unit modifies a charging/discharging condition of the secondary battery to bring the electrolytic solution concentration back to the normal range, thus avoiding a tendency of overcharge or a tendency of overdischarge.

    摘要翻译： 在二次电池的使用期间，浓度变化率推定部基于充放电电流来估计电解液浓度的变化率。 根据估计的变化率，浓度估计值计算单元在二次电池的使用期间依次计算电解液浓度估计值。 基于估计的电解液浓度估计值，确定单元确定电解液浓度是否在正常范围内。 当电解液浓度超出正常范围时，充放电条件修改单元改变二次电池的充电/放电状态，使电解液浓度恢复到正常范围，从而避免过充电或倾向于 过度放电

    Highly reliable vehicle system start controller
    27.
    发明授权
    Highly reliable vehicle system start controller 有权
    高度可靠的车辆系统启动控制器

    公开(公告)号：US07689335B2

    公开(公告)日：2010-03-30

    申请号：US11354884

    申请日：2006-02-16

    申请人： Keiji Kaita ,  Masaya Amano

    发明人： Keiji Kaita ,  Masaya Amano

    IPC分类号： F02N11/00

    CPC分类号： F02N11/0803 ,  F02D41/221 ,  F02D2200/502 ,  F02N11/087 ,  F02N11/10 ,  F02N2200/0802 ,  Y02T10/40 ,  Y10T477/20

    摘要： Start/stop decision circuit receives main and sub IG instruction signals from a hold circuit and a sub line, respectively, and if the signals match in logic, the start/stop decision circuit follows the main IG instruction signal's logic to determine whether an ignition switch is turned on/off. If the main and sub IG instruction signals attain the high and low levels, respectively, and a logic discrepancy is thus caused, and a condition is established for speculating that the vehicle is parked and therefrom a decision is made that the vehicle system will be stopped with high probability, then the start/stop decision circuit determines that the ignition switch is turned off, and start/stop decision circuit detects that the hold circuit has an ON failure and subsequently the start/stop decision circuit stops the vehicle system.

    摘要翻译： 启动/停止判定电路分别从保持电路和子线路接收主IG指令信号和子IG指令信号，并且如果信号在逻辑中匹配，则启动/停止判定电路遵循主IG指令信号的逻辑，以确定点火开关 打开/关闭。 如果主IG指令信号和次IG指令信号分别达到高电平和低电平，并且由此引起逻辑差异，并且建立用于推测车辆停放的条件，并且由此判定车辆系统将被停止 那么开始/停止判定电路确定点火开关被关闭，并且启动/停止判定电路检测到保持电路具有接通故障，随后起动/停止判定电路停止车辆系统。

    Cooling system
    28.
    发明授权
    Cooling system 有权
    冷却系统

    公开(公告)号：US07628125B2

    公开(公告)日：2009-12-08

    申请号：US10584856

    申请日：2005-01-31

    申请人： Keiji Kaita ,  Shinichi Abe

    发明人： Keiji Kaita ,  Shinichi Abe

    IPC分类号： F01P1/06 ,  F01P3/20

    CPC分类号： F01P3/20 ,  B60K1/02 ,  B60K11/02 ,  B60K2001/003 ,  F01P7/165 ,  F01P2050/24 ,  F02D13/06 ,  Y02T10/18

    摘要： A cooling system includes a first cooling system in which coolant is supplied from a radiator to a motor so as to cool the motor, and then the coolant is supplied to banks of an engine through a circulation passage and split flow passages so as to cool the engine; and a second cooling system in which the coolant delivered from the radiator through a branch passage is further cooled by a radiator, and the cooled coolant is supplied to a drive circuit so as to cool the drive circuit. With this configuration, it is possible to efficiently cool the motor, the engine, and the drive circuit whose suitable operating temperatures are different from each other, and to make the configuration of the cooling system simple.

    摘要翻译： 冷却系统包括第一冷却系统，其中冷却剂从散热器供给到电动机以冷却电动机，然后通过循环通道和分流流路将冷却剂供应到发动机的组，以冷却 发动机; 以及第二冷却系统，其中通过分支通道从散热器输送的冷却剂由散热器进一步冷却，并且将冷却的冷却剂供应到驱动电路以冷却驱动电路。 通过该结构，能够有效地冷却电动机，发动机和适当的工作温度不同的驱动电路，并且使冷却系统的结构简单。

    Highly reliable vehicle system start controller
    29.
    发明申请
    Highly reliable vehicle system start controller 有权
    高度可靠的车辆系统启动控制器

    公开(公告)号：US20060208568A1

    公开(公告)日：2006-09-21

    申请号：US11354884

    申请日：2006-02-16

    申请人： Keiji Kaita ,  Masaya Amano

    发明人： Keiji Kaita ,  Masaya Amano

    IPC分类号： G05D1/00 ,  B60L1/00

    CPC分类号： F02N11/0803 ,  F02D41/221 ,  F02D2200/502 ,  F02N11/087 ,  F02N11/10 ,  F02N2200/0802 ,  Y02T10/40 ,  Y10T477/20

    摘要： Start/stop decision circuit receives main and sub IG instruction signals from a hold circuit and a sub line, respectively, and if the signals match in logic, the start/stop decision circuit follows the main IG instruction signal's logic to determine whether an ignition switch is turned on/off. If the main and sub IG instruction signals attain the high and low levels, respectively, and a logic discrepancy is thus caused, and a condition is established for speculating that the vehicle is parked and therefrom a decision is made that the vehicle system will be stopped with high probability, then the start/stop decision circuit determines that the ignition switch is turned off, and start/stop decision circuit detects that the hold circuit has an ON failure and subsequently the start/stop decision circuit stops the vehicle system.

    摘要翻译： 启动/停止判定电路分别从保持电路和子线路接收主IG指令信号和子IG指令信号，并且如果信号在逻辑中匹配，则启动/停止判定电路遵循主IG指令信号的逻辑，以确定点火开关 打开/关闭。 如果主IG指令信号和次IG指令信号分别达到高电平和低电平，并且由此引起逻辑差异，并且建立用于推测车辆停放的条件，并且由此判定车辆系统将被停止 那么开始/停止判定电路确定点火开关被关闭，并且启动/停止判定电路检测到保持电路具有接通故障，随后起动/停止判定电路停止车辆系统。

    Electrical storage system
    30.
    发明授权
    Electrical storage system 有权

    公开(公告)号：US10096992B2

    公开(公告)日：2018-10-09

    申请号：US14431601

    申请日：2013-11-29

    申请人： Keiji Kaita ,  Yuji Nishi ,  Yukinari Tanabe ,  Hiromasa Tanaka ,  Motoi Ito

    发明人： Keiji Kaita ,  Yuji Nishi ,  Yukinari Tanabe ,  Hiromasa Tanaka ,  Motoi Ito

    IPC分类号： H02J7/00 ,  H02H7/18 ,  B60L3/04

    摘要： An electrical storage system includes an electrical storage device (10); a relay (SMR-B, SMR-G, SMR-P) switching between on/off states; a current interruption circuit (60) interrupting energization of the electrical storage device by causing the relay to switch from the on state to the off state; and a controller (30) executing drive control over the relay. The current interruption circuit includes an alarm circuit (63) outputting an alarm signal indicating overcharging/overdischarging of any one electrical storage block by comparing a voltage value of each electrical storage block with a threshold; a latch circuit (64) retaining the alarm signal; and a transistor (68) causing the relay to switch from the on state to the off state upon reception of an output signal of the latch circuit. The controller determines an energization state of the electrical storage device by executing control for turning on the relay while control for causing the alarm circuit to output the alarm signal is being executed.