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    • 8. 发明申请
    • BATTERY SYSTEM
    • 电池系统
    • US20120133329A1
    • 2012-05-31
    • US13388601
    • 2010-08-04
    • Hiroaki YoshidaHiroshi Kawamura
    • Hiroaki YoshidaHiroshi Kawamura
    • H02J7/00
    • H02J7/0016H01M10/441H01M10/443H01M10/615H01M10/625H01M10/6571H02J7/0026
    • A battery system is provided that can prevent overcharging during charging, and that can demonstrate appropriate charging performance and output performance of a secondary battery even when the battery system is used in a low-temperature environment. The battery system includes a secondary battery and a protection circuit. The protection circuit includes a bypass electrical path that connects an upstream-side main electrical path that is connected to a positive terminal of the secondary battery to a downstream-side main electrical path that is connected to a negative terminal of the secondary battery. The battery system is configured so that, when the voltage of the secondary battery exceeds a predetermined voltage during charging, current flowing through the secondary battery decreases while current flowing through the bypass electrical path increases, and when the voltage of the secondary battery falls below the predetermined voltage during charging, the current flowing through the secondary battery increases while the current flowing through the bypass electrical path decreases. The bypass electrical path includes a heater that generates heat using the current flowing through the bypass electrical path, and the heater is arranged adjacent to or in close contact with the secondary battery so as to impart a thermal effect to the secondary battery.
    • 提供一种电池系统,其可以防止在充电期间的过充电,并且即使在低温环境中使用电池系统的情况下也可以证明适当的充电性能和二次电池的输出性能。 电池系统包括二次电池和保护电路。 保护电路包括将连接到二次电池的正极端子的上游侧主电路与连接到二次电池的负极端子的下游侧主电路连接的旁路电路。 电池系统被配置为使得当充电期间二次电池的电压超过预定电压时,流过二次电池的电流随着流过旁路电路的电流增加而减小,并且当二次电池的电压下降到低于 在充电期间的预定电压,流过二次电池的电流增加,同时流过旁路电路的电流减小。 旁路电路包括使用流过旁路电路的电流产生热的加热器,并且加热器被布置为与二次电池相邻或紧密接触,以便赋予二次电池热效应。
    • 10. 发明申请
    • Bearing Apparatus For A Wheel Of Vehicle
    • 车轮轴承装置
    • US20110188792A1
    • 2011-08-04
    • US13005111
    • 2011-01-12
    • Hiroshi KawamuraKazuhisa ShigeokaAkira FujimuraKoji NishinoHisashi Ohtsuki
    • Hiroshi KawamuraKazuhisa ShigeokaAkira FujimuraKoji NishinoHisashi Ohtsuki
    • F16C33/76F16C19/28
    • B60B27/00B60B35/121F16C19/386F16C35/063F16C43/04F16C2326/02F16J15/04F16J15/121Y02T10/86
    • A vehicle wheel bearing apparatus which reduces the weight, size and number of parts and also prevents ingress of rain water or dusts and leakage of differential gear oil has an axle housing supported under a body of a vehicle. A hollow drive shaft is inserted into the axle housing. A wheel bearing is arranged between the drive shaft and an opening of the axle housing and is structured as a unit including a wheel hub and a double row rolling bearing. The wheel bearing includes an inner member with a wheel hub integrally formed with a wheel mounting flange on one end and an axially extending cylindrical portion. At least one inner ring is press-fit onto the cylindrical portion of the wheel hub. The inner ring is formed with at least one of the inner raceway surfaces on its outer circumferential surface. An outer member is arranged around the inner member and formed with double row outer raceway surfaces on its inner circumferential surface opposite to the inner raceway surfaces. Double row rolling elements are arranged between the inner and outer raceway surfaces of the inner member and the outer member. A cage freely rollably holds the rolling elements. Seals seal an annular space between the inner member and the outer member. A cap, having a metal core formed from steel, is press-fit into an end of a central bore of the wheel hub.
    • 减轻重量,尺寸和部件数量并且还防止雨水或灰尘进入以及差速齿轮油泄漏的车轮轴承装置具有支撑在车体下的车轴壳体。 空心驱动轴插入轴壳体。 车轮轴承设置在驱动轴和车轴壳体的开口之间,并且构造为包括轮毂和双列滚动轴承的单元。 车轮轴承包括内部构件,其具有在一端形成有车轮安装凸缘并且轴向延伸的圆柱形部分一体形成的轮毂。 至少一个内圈压配合到轮毂的圆柱形部分上。 内圈在其外圆周表面上形成有至少一个内滚道表面。 外部构件围绕内部构件布置,并且在与内部轨道表面相对的内周表面上形成有双列外滚道表面。 双列滚动元件布置在内部构件和外部构件的内侧和外侧轨道表面之间。 笼可以滚动地保持滚动元件。 密封件密封内部构件和外部构件之间的环形空间。 具有由钢形成的金属芯的盖被压配合到轮毂的中心孔的端部。