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    • 1. 发明授权
    • Electrolytic solution for aluminum electrolytic capacitor, and aluminum electrolytic capacitor
    • 铝电解电容器电解液,铝电解电容器
    • US08675347B2
    • 2014-03-18
    • US13258507
    • 2009-07-11
    • Masao SakakuraJunichi KawakamiKazuma OkuraShingo TakeuchiMasashi OzawaKenji Tamamitsu
    • Masao SakakuraJunichi KawakamiKazuma OkuraShingo TakeuchiMasashi OzawaKenji Tamamitsu
    • H01G9/02
    • H01G9/035H01G9/045H01G9/145
    • Disclosed are an aluminum electrolytic capacitor having low impedance properties and a long service life, and an electrolytic solution which enables to give such capacitor. The electrolytic solution contains a solvent containing water, a phosphorus oxoacid ion-generating compound which can generate a phosphorus oxoacid ion in an aqueous solution, and a chelating agent which can coordinate with aluminum to form an aqueous aluminum chelate complex. The electrolytic solution further contains a compound selected from the group consisting of azelaic acid and an azelaic acid salt, and a compound selected from the group consisting of formic acid, a formic acid salt, adipic acid, an adipic acid salt, glutaric acid and a glutaric acid salt. The content of azelaic acid and/or the azelaic acid salt is at least 0.03 moles per kg of the solvent. When the electrolytic solution is used in an electrolytic capacitor which utilizes an anode having an aluminum oxide film containing phosphorus in an amount of 30 to 150 mg per unit CV product in terms of phosphoric acid, the service life of the capacitor is remarkably prolonged.
    • 公开了一种具有低阻抗性和长使用寿命的铝电解电容器,以及能够提供这种电容器的电解液。 电解液含有含水的溶剂,能够在水溶液中产生含磷酸的离子的含磷酸氧离子的化合物,以及可与铝配位以形成铝酸水溶液络合物的螯合剂。 电解液还含有选自壬二酸和壬二酸盐的化合物和选自甲酸,甲酸盐,己二酸,己二酸盐,戊二酸和 戊二酸盐。 壬二酸和/或壬二酸盐的含量为每千克溶剂至少0.03摩尔。 当电解液用于利用具有氧化铝膜的阳极的电解电容器时,磷酸的含量为每单位CV产品30〜150mg,磷的使用寿命显着延长。
    • 4. 发明授权
    • Event detector used vehicle control apparatus
    • 事件检测器二手车控制装置
    • US5305216A
    • 1994-04-19
    • US784937
    • 1991-10-31
    • Kazuma OkuraAkito Yamamoto
    • Kazuma OkuraAkito Yamamoto
    • B60R16/02F02D41/24F02D41/26F02D45/00G06F7/70
    • F02D41/28F02D41/26
    • A vehicle control apparatus comprises various sensors sensitive to vehicle operating parameters for producing signals having values sensed for the respective vehicle operating parameters. The vehicle control apparatus also comprises a transition detector. The transition detector includes a memory for storing threshold values specified for the respective vehicle operating parameters, and a comparator for comparing the sensed values with the respective threshold values in a predetermined sequence to sense a transition in one of the vehicle operating parameters when the value sensed for the one vehicle operating parameter is in a range defined by the threshold value specified for the one vehicle operating parameter. The transition detector is coupled to a control unit for controlling the automotive vehicle for the sensed transition.
    • 车辆控制装置包括对车辆操作参数敏感的各种传感器,用于产生具有针对各个车辆操作参数检测的值的信号。 车辆控制装置还包括转换检测器。 转换检测器包括存储器,用于存储针对各个车辆操作参数指定的阈值,以及比较器,用于以预定的顺序将感测值与各个阈值进行比较,以便在检测到的值时检测车辆运行参数之一的转换 因为一个车辆操作参数在由针对一个车辆操作参数指定的阈值所限定的范围内。 转换检测器耦合到控制单元,用于控制用于感测转换的机动车辆。
    • 6. 发明申请
    • ELECTROLYTIC SOLUTION FOR ALUMINUM ELECTROLYTIC CAPACITOR, AND ALUMINUM ELECTROLYTIC CAPACITOR
    • 用于铝电解电容器的电解液和铝电解电容器
    • US20120026645A1
    • 2012-02-02
    • US13258507
    • 2009-07-11
    • Masao SakakuraJunichi KawakamiKazuma OkuraShingo TakeuchiMasashi OzamaKenji Tamamitsu
    • Masao SakakuraJunichi KawakamiKazuma OkuraShingo TakeuchiMasashi OzamaKenji Tamamitsu
    • H01G9/02H01G9/035
    • H01G9/035H01G9/045H01G9/145
    • Disclosed are an aluminum electrolytic capacitor having low impedance properties and a long service life, and an electrolytic solution which enables to give such capacitor. The electrolytic solution contains a solvent containing water, a phosphorus oxoacid ion-generating compound which can generate a phosphorus oxoacid ion in an aqueous solution, and a chelating agent which can coordinate with aluminum to form an aqueous aluminum chelate complex. The electrolytic solution further contains a compound selected from the group consisting of azelaic acid and an azelaic acid salt, and a compound selected from the group consisting of formic acid, a formic acid salt, adipic acid, an adipic acid salt, glutaric acid and a glutaric acid salt. The content of azelaic acid and/or the azelaic acid salt is at least 0.03 moles per kg of the solvent. When the electrolytic solution is used in an electrolytic capacitor which utilizes an anode having an aluminum oxide film containing phosphorus in an amount of 30 to 150 mg per unit CV product in terms of phosphoric acid, the service life of the capacitor is remarkably prolonged.
    • 公开了一种具有低阻抗性和长使用寿命的铝电解电容器,以及能够提供这种电容器的电解液。 电解液含有含水的溶剂,能够在水溶液中产生含磷酸的离子的含磷酸氧离子的化合物,以及可与铝配位以形成铝酸水溶液络合物的螯合剂。 电解液还含有选自壬二酸和壬二酸盐的化合物和选自甲酸,甲酸盐,己二酸,己二酸盐,戊二酸和 戊二酸盐。 壬二酸和/或壬二酸盐的含量为每千克溶剂至少0.03摩尔。 当电解液用于利用具有氧化铝膜的阳极的电解电容器时,磷酸的含量为每单位CV产品30〜150mg,磷的使用寿命显着延长。
    • 7. 发明授权
    • Control apparatus and control method of fuel cell system
    • 燃料电池系统控制装置及控制方法
    • US07291412B2
    • 2007-11-06
    • US10181486
    • 2001-11-09
    • Isamu KazamaKazuma Okura
    • Isamu KazamaKazuma Okura
    • H01M8/04H01M8/00H01M8/18
    • H01M8/04373B60L11/1881B60L11/1892B60L2260/162H01M8/04089H01M8/04358H01M8/04567H01M8/04597H01M8/04626H01M8/04753H01M8/0494H01M8/04947H01M16/003H01M2250/20Y02T90/32Y02T90/34
    • A control apparatus and a control method are used in a fuel cell system, in which fuel gas and oxidant gas are supplied to a fuel cell stack 1 to generate electric power, a load unit 9 is driven by supplying the generated power thereto, and the generated power is stored in a power storage unit. A control unit 10 sets in advance a margin load power to be supplied from a power storage unit 8 to the fuel cell stack 1 when the load of the load unit 9 changes at a predetermined rate, and computes outputable power of the power storage unit 8. Then, the control unit 10 compares the margin load power and the outputable power to generate an amount judgment result. When the outputable power is larger than the margin load power, the control unit 10 controls the power generation amount of the fuel cell stack 1 such that charged power becomes equal to an electric power difference between the margin load power and the outputable power.
    • 在燃料电池系统中使用控制装置和控制方法,其中向燃料电池堆1供应燃料气体和氧化剂气体以产生电力,通过向其供应所产生的电力来驱动负载单元9,并且 发电量存储在蓄电单元中。 当负载单元9的负载以预定的速率变化时,控制单元10预先设定从蓄电单元8向燃料电池堆1供给的余量负荷功率,并计算蓄电单元8的输出功率 。 然后,控制单元10比较余量负载功率和可输出功率,以产生量判断结果。 当可输出功率大于边际负载功率时,控制单元10控制燃料电池堆1的发电量,使得充电功率等于余量负载功率和可输出功率之间的电力差。
    • 10. 发明授权
    • System and method for controlling induction motor applicable to electric
motor-driven vehicle
    • 用于控制适用于电动车辆的感应电动机的系统和方法
    • US5444351A
    • 1995-08-22
    • US267930
    • 1994-07-06
    • Yoshinori YamamuraYasuki IshikawaYasuhiko KitajimaKazuma OkuraHidetoshi Nojiri
    • Yoshinori YamamuraYasuki IshikawaYasuhiko KitajimaKazuma OkuraHidetoshi Nojiri
    • B60L15/02H02P5/28
    • B60L15/025B60L2220/12Y02T10/643
    • A system and method for controlling an induction motor which basically achieve reductions in a steady state loss and in a transient loss of the induction motor such as a stepwise input of a torque instruction value T.sub.e *. Basically, a steady-state loss minimization magnetic flux calculating section calculates a secondary (rotor) magnetic flux .phi..sub.r * which minimizes the steady-state loss of the induction motor in response to a torque instruction value. A target magnetic flux .phi..sub.r and a differentiation of the target magnetic flux d.phi..sub.r /dt are thereafter calculated using a low pass filter transfer function such as .phi..sub.r =.phi..sub.r * 1/(1+.tau..sub..phi..S)(, wherein .tau..sub..phi. denotes a time constant, and S denotes a Laplace operator). A target torque T.sub.m is calculates using a predetermined transfer function in response to the torque instruction value such as T.sub.m =T.sub.e *.1/(1+.tau..sub.T.S)(, wherein .tau..sub.T is a time constant for the target torque). At the steady state, the slip frequency .omega..sub.se is set to a loss minimization slip frequency .omega..sub.se-opt and, at the transient state, a magnetic flux response gives an optimum value corresponding to a torque response described above. The induction motor is used to drive an electric motor-driven vehicle.
    • 用于控制感应电动机的系统和方法,其基本上实现了稳定状态损耗的降低和感应电动机的瞬时损耗,例如转矩指令值Te *的逐步输入。 基本上,稳态损耗最小化磁通计算部分计算出响应于转矩指令值使感应电动机的稳态损耗最小化的次级(转子)磁通量ph * *。 此后使用诸如phi r = phi r * 1 /(1+ tau phi.S)的低通滤波器传递函数来计算目标磁通量和目标磁通d phi r / dt的微分(其中 tau phi表示时间常数,S表示拉普拉斯算子)。 目标转矩Tm根据转矩指令值(例如Tm = Te * .1 /(1+ tau T.S))(其中tau T是目标转矩的时间常数)使用预定的传递函数进行计算。 在稳定状态下,转差频率ω被设定为损耗最小化转差ωω-opt,并且在瞬态状态下,磁通响应给出对应于上述转矩响应的最佳值。 感应电动机用于驱动电动车辆。