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    • 94. 发明专利
    • Cooling structure of battery pack
    • 电池组冷却结构
    • JP2014093280A
    • 2014-05-19
    • JP2012245093
    • 2012-11-07
    • Toyota Motor Corpトヨタ自動車株式会社
    • ENDO YASUHIRO
    • H01M10/60
    • PROBLEM TO BE SOLVED: To provide a cooling structure of a battery pack capable of uniformly cooling batteries.SOLUTION: The cooling structure of the battery pack includes a plurality of batteries 10, 10a, 10b, and 10c and a holding member 20 formed by a heat conduction material for holding them, and a coolant passage 30 is formed by the battery 10 and the holding member 20. As the passage goes toward the downstream from the upstream in the coolant flowing direction shown by an arrow A1, the contact area between the holding member 20 and the battery 10 becomes larger, and the cross-sectional area of the coolant passage 30 becomes smaller.
    • 要解决的问题:提供能够均匀地冷却电池的电池组的冷却结构。解决方案:电池组的冷却结构包括多个电池10,10a,10b和10c以及由 用于保持它们的导热材料,并且由电池10和保持构件20形成冷却剂通道30.当通道沿箭头A1所示的冷却剂流动方向从上游流向下游时,接触面积 保持构件20和电池10变大,并且冷却剂通道30的横截面积变小。
    • 95. 发明专利
    • Power supply for electric vehicle
    • 电动车用电源
    • JP2013106474A
    • 2013-05-30
    • JP2011250038
    • 2011-11-15
    • Toyota Motor Corpトヨタ自動車株式会社
    • ENDO YASUHIRONISHI YUJI
    • H02J7/00B60L11/18H01M10/44H02M3/155
    • Y02T10/7005Y02T10/7055Y02T10/92Y02T90/127
    • PROBLEM TO BE SOLVED: To provide a technique capable of suppressing inrush current when switching between serial connection and parallel connection of two batteries.SOLUTION: A power supply comprises: a first battery; a boosting circuit which boosts and outputs voltage of the first battery; a capacitor which is connected in parallel with the output of the boosting circuit; and an output variable battery module which is connected in parallel with the output of the boosting circuit. The output variable battery module comprises: a second battery; a third battery; a switching device which can switch a connection state between the second battery and the third battery; and a diode which prevents inrush of reverse current. The power supply, when switching the connection state between the second battery and the third battery, includes: 1) detaching the connection with the output variable battery module; 2) adjusting the output of the boosting circuit so that the voltage thereof is larger than the sum of the second battery voltage and the third battery voltage, and switching the connection state between the second battery and the third battery by use of the switching device; and 3) connecting with the output variable battery module.
    • 要解决的问题:提供一种在两个电池的串联连接和并联之间切换时能够抑制浪涌电流的技术。 解决方案:电源包括:第一电池; 升压电路,其升压并输出所述第一电池的电压; 与所述升压电路的输出并联连接的电容器; 以及与升压电路的输出并联连接的输出可变电池模块。 所述输出可变电池模块包括:第二电池; 第三个电池; 开关装置,其可以切换第二电池和第三电池之间的连接状态; 以及防止反向电流浪涌的二极管。 当切换第二电池和第三电池之间的连接状态时,电源包括:1)分离与输出可变电池模块的连接; 2)调整升压电路的输出,使其电压大于第二电池电压和第三电池电压的和,并且通过使用开关装置切换第二电池和第三电池之间的连接状态; 和3)与输出可变电池模块连接。 版权所有(C)2013,JPO&INPIT
    • 96. 发明专利
    • Electric car
    • 电子车
    • JP2013059161A
    • 2013-03-28
    • JP2011194932
    • 2011-09-07
    • Toyota Motor Corpトヨタ自動車株式会社
    • ENDO YASUHIROKAMIYA MUNEHIROMURATA TAKASHIMAEDA KENGO
    • H02J7/00B60L3/00B60L11/18H01M2/10H01M10/44H02J7/34
    • Y02T10/7005Y02T10/7044
    • PROBLEM TO BE SOLVED: To retard deterioration of a high energy density battery in an electric car having a high output density battery and a high energy density battery, even in a situation where the opportunity to use the high energy density battery for running is low.SOLUTION: An electric car 100 includes a first battery 12 (high output density battery) which can be charged from an external power supply and a second battery 22 (high energy density battery), and a controller 8 which controls charging of the battery. The controller 8 performs the following three steps. A power transfer step for charging the first battery 12 by using the second battery 22, prior to charging by using an external power supply. A first battery charging step for charging the first battery 12 by using an external power supply. A second battery charging step for charging the second battery 22 by using the external power supply. Deterioration of the second battery 22 is retarded by lowering the SOC thereof during the charging operation.
    • 要解决的问题:为了延迟具有高输出密度电池和高能量密度电池的电动汽车中的高能量密度电池的劣化,即使在使用高能量密度电池运行的机会的情况下 低。 解决方案:电动车100包括可从外部电源和第二电池22(高能量密度电池)充电的第一电池12(高输出密度电池),以及控制器8 电池。 控制器8执行以下三个步骤。 一种用于通过使用第二电池22在通过使用外部电源进行充电之前对第一电池12充电的电力传送步骤。 第一电池充电步骤,用于通过使用外部电源对第一电池12充电。 第二电池充电步骤,用于通过使用外部电源对第二电池22充电。 通过在充电操作期间降低其SOC来延迟第二电池22的劣化。 版权所有(C)2013,JPO&INPIT
    • 97. 发明专利
    • Electric vehicle
    • 电动车
    • JP2012257363A
    • 2012-12-27
    • JP2011128180
    • 2011-06-08
    • Toyota Motor Corpトヨタ自動車株式会社Aisin Aw Co Ltdアイシン・エィ・ダブリュ株式会社
    • ENDO YASUHIROMINESAWA YUKIHIRO
    • B60L1/02B60H1/22B60H1/32B60L15/20F16H3/54F16H3/72
    • F02B67/00B60H1/00392B60H1/3208B60H1/3222F16H2037/0866Y02T10/7258
    • PROBLEM TO BE SOLVED: To provide an electric vehicle exhibiting a higher motor efficiency in a normal running range.SOLUTION: During start and acceleration mode in which a large drive force is required, a first drive motor MG1 and a second drive motor MG2 are operated in a state that rotation of a compressor 12 for an air conditioner is stopped by a brake B1 to rotation-drive drive wheels 38, 40 by using both outputs of the first drive motor MG1 and the second drive motor MG2. During normal running mode, the brake B1 is released and the drive wheels 38, 40 of the vehicle are rotation-driven by entirely using the output of the second drive motor MG2. During the normal running mode, since normal acceleration running usually used by using the one second drive motor MG2 is performed, effects such as a high motor efficiency and a long running distance of the electric vehicle, or a compact size of an electric storage device are attained.
    • 要解决的问题:提供在正常行驶范围内表现出更高电动机效率的电动车辆。

      解决方案:在需要较大驱动力的启动和加速模式下,第一驱动电动机MG1和第二驱动电动机MG2在空调机的压缩机12的旋转被制动器停止的状态下操作 B1通过使用第一驱动电动机MG1和第二驱动电动机MG2的两个输出而旋转驱动驱动轮38,40。 在正常行驶模式下,制动器B1被释放,并且车辆的驱动轮38,40完全使用第二驱动电动机MG2的输出旋转驱动。 在正常运行模式中,由于通常使用通常使用一个第二驱动电动机MG2的正常加速运行,电动汽车的高电动机效率和长行驶距离或蓄电装置的小型化的效果 实现。 版权所有(C)2013,JPO&INPIT

    • 98. 发明专利
    • Stator core
    • 定点核心
    • JP2011259661A
    • 2011-12-22
    • JP2010133985
    • 2010-06-11
    • Nippon Soken IncToyota Motor Corpトヨタ自動車株式会社株式会社日本自動車部品総合研究所
    • ONO YUICHIHAKAMADA NAOKIUCHIDA KAZUHIDEENDO YASUHIRO
    • H02K1/18
    • PROBLEM TO BE SOLVED: To provide a stator core which can easily secure circularity and cylindricity of the stator core and can improve yield.SOLUTION: The stator core includes a plurality of split cores 10. The split core 10 includes a back yoke portion 18 extending in a circumferential direction of the stator core and a teeth portion 19 projected from an inner peripheral face 38 of the back yoke portion 18. When an intersection point of a virtual axis line L1 extending in a radial direction of the stator core from a connection part P1 of an inner peripheral face 38 of the back yoke portion 18 and a side 31 of the teeth portion 19, and an outer peripheral face of the back yoke portion 18 is set to be a reference intersection point P0, a contact part 42 of the outer peripheral face of the back yoke portion 18 and a ring member is arranged to a circumferential direction end 35-side of the back yoke portion 18 rather than the reference intersection point P0. A part positioned to a reference intersection point-side rather than the contact part in the outer peripheral face of the back yoke portion 18 and the inner peripheral face 38 of the ring member are mutually separated.
    • 要解决的问题:提供一种能够容易地确保定子铁芯的圆形度和圆柱度的定子铁心,并且可以提高产量。 解决方案:定子铁芯包括多个分裂铁心10.分段铁芯10包括在定子铁心的圆周方向上延伸的后轭部分18和从背面的内周面38突出的齿部分19 当从后轭铁部分18的内周面38的连接部分P1和齿部分19的侧面31沿着定子铁芯的径向方向延伸的假想轴线L1的交点, 并且背轭部18的外周面被设定为基准交点P0,后轭铁部18的外周面的接触部42和环状构件配置在圆周方向端部35侧 而不是基准交点P0。 位于背轭铁部分18的外周面中的参考交点点而不是接触部分的部分和环部件的内周面38相互分离。 版权所有(C)2012,JPO&INPIT