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    • 1. 发明授权
    • Lubricating structure of hydraulic clutch
    • 液压离合器润滑结构
    • US5720372A
    • 1998-02-24
    • US677927
    • 1996-07-10
    • Takeji ShinoKoji KurodaTakayuki Yakou
    • Takeji ShinoKoji KurodaTakayuki Yakou
    • B60K17/34B60K17/35B60K23/08F16D25/0638F16D25/08F16D25/12F16D25/06
    • F16D25/123F16D25/082B60K17/35B60K23/08
    • A clutch plate is supported by a clutch housing which rotates in unison with an input shaft. Another clutch plate is supported by a clutch hub which rotates in unison with an output shaft. These clutch plates are disposed adjacent each other and are pressed and engaged with each other by a clutch piston through a pressure plate. A hydraulic pump is driven by the pressure plate through a pump driving member fitted to an outer periphery of the output shaft. Lubricating oil supplied from a lubricating oil port is conducted to the clutch plates through a lubricating oil passage formed between an outer periphery of the output shaft and an inner periphery of the pump driving member. The lubricating oil passage for conducting the lubricating oil to frictional engagement elements of the hydraulic clutch is formed outside the rotatable shaft, thereby reducing the fabricating cost of the apparatus.
    • 离合器片由与输入轴一致地旋转的离合器壳体支撑。 另一个离合器片由与输出轴一致地旋转的离合器毂支撑。 这些离合器片彼此相邻地设置,并且通过离合器活塞通过压力板彼此挤压和接合。 液压泵通过安装在输出轴的外周上的泵驱动构件由压板驱动。 从润滑油口供给的润滑油通过形成在输出轴的外周与泵驱动部件的内周之间的润滑油通路传递到离合器片。 用于将润滑油引导到液压离合器的摩擦接合元件的润滑油通道形成在可旋转轴的外部,从而降低了设备的制造成本。
    • 3. 发明授权
    • Driving force control method in 4-wheel drive vehicle
    • 四轮驱动车辆的驱动力控制方法
    • US5894904A
    • 1999-04-20
    • US785245
    • 1997-01-17
    • Takayuki YakouKoji KurodaTetsuro HamadaKazunori KobayashiMasayuki Hikita
    • Takayuki YakouKoji KurodaTetsuro HamadaKazunori KobayashiMasayuki Hikita
    • B60K17/348B60K17/35B60K23/08B60K17/20
    • B60K23/0808B60K17/3515B60W2520/10
    • A 4-wheel drive vehicle has a driving force control method in which a portion of a driving force for front wheels is distributed to rear wheels through clutches. In a 4-wheel drive state in which a driving force T.sub.p is distributed to rear wheels, for example, if the vehicle is turned leftwards to generate a difference W.sub.R -W.sub.L between left and right rear wheel speeds, it is ensured that a driving force T.sub.R distributed to the right rear wheel, which is an outer wheel during turning of the vehicle, is larger than a driving force T.sub.L distributed to the left rear wheel, which is an inner wheel during turning of the vehicle, thereby providing an enhancement in turning performance. As the difference W.sub.R -W.sub.L between the left and right rear wheel speeds is increased as a result of decreasing of the turning radius of the vehicle, the driving force T.sub.P (=T.sub.L +T.sub.R) distributed to the rear wheels is decreased to avoid an increase in travel resistance. Thus, it is possible to prevent the occurrence of problems such as a deterioration of specific fuel consumption, an abnormal sound generated in a drive system and an increase in the load of the drive system due to an increase in travel resistance during turning of the vehicle.
    • 四轮驱动车辆具有驱动力控制方法,其中前轮的驱动力的一部分通过离合器分配到后轮。 在驱动力Tp分配给后轮的四轮驱动状态下,例如,如果车辆向左转动以在左后轮速度之间产生差WR-WL,则确保驱动力 分配到作为车辆转动时的外轮的右后轮的TR大于分配给作为车辆转向期间的内轮的左后轮的驱动力TL,从而提供转向增强 性能。 由于左右后轮速度之间的差WR-WL由于车辆的转弯半径的减小而增加,所以分配给后轮的驱动力TP(= TL + TR)减小,以避免增加 在旅行阻力。 因此,能够防止由于在车辆转动期间的行驶阻力的增加而导致比燃料消耗的劣化,驱动系统中产生的异常声音和驱动系统的负载的增加等问题的发生 。
    • 4. 发明授权
    • Four-wheel drive vehicle
    • 四轮驱动车
    • US6095276A
    • 2000-08-01
    • US5690
    • 1998-01-13
    • Koji KurodaTakayuki YakouKazunori KobayashiTetsuro Hamada
    • Koji KurodaTakayuki YakouKazunori KobayashiTetsuro Hamada
    • B60K23/04B60K17/34B60K17/35B60K23/08B60K17/354
    • F16H48/30B60K17/35B60K23/0808F16H48/295B60K17/3505F16H2048/205F16H2048/346F16H48/22
    • A rear differential in a four-wheel drive vehicle includes a left and right clutches adapted to distribute a driving force transmitted from front wheels through a propeller shaft to left and right rear wheels. If the engagement of the left and right clutches is released, only the front wheels are driven and in this manner, the vehicle is brought into a front wheel-drive state. If the left and right clutches are brought into their engaged states, both of the front wheels and the rear wheels are driven and in this manner, the vehicle is brought into a four-wheel drive state. By changing the engagement forces of the left and right clutches, different driving forces can be distributed to the left and right rear wheels. In addition, when a driver operates a differential lock switch, the left and right clutches, are brought into their engaged states with the maximum engagement force, thereby integrally coupling the propeller shaft to the left and right rear wheels to provide a differential-locked state. Thus, a differential lock mechanism can be provided to the differential in a simple structure.
    • 四轮驱动车辆的后差速器包括左右离合器,其适于将从前轮传递的驱动力通过传动轴分配到左后轮和右后轮。 如果释放左右离合器的接合,则仅驱动前轮,并且以这种方式使车辆进入前轮驱动状态。 如果左右离合器进入其接合状态,则前轮和后轮都被驱动,以这种方式使车辆进入四轮驱动状态。 通过改变左右离合器的啮合力,可以将不同的驱动力分配给左右后轮。 此外,当驾驶员操作差速锁定开关时,左右离合器以最大的接合力进入其接合状态,从而将传动轴整体地联接到左右后轮以提供差速锁定状态 。 因此,可以以简单的结构向差速器提供差速锁定机构。
    • 7. 发明授权
    • Electromagnetic control valve
    • 电磁调节阀
    • US6029704A
    • 2000-02-29
    • US241292
    • 1999-02-01
    • Koji KurodaIsao HattoriHiroshi NumataYoshitsugu Kida
    • Koji KurodaIsao HattoriHiroshi NumataYoshitsugu Kida
    • F16K31/06F15B13/044
    • F16K31/0613Y10T137/86622
    • An electromagnetic control valve is composed of a spool section for switching fluid passages on or off, a solenoid section for driving the spool in one direction, a magnetic moving core slidably disposed in the stator, a nonmagnetic shaft fixed to the moving core, and a spring member for biasing the spool in the direction opposite to the one direction. The spool section includes a spool and a sleeve. The solenoid section is connected to the spool section and includes a cylindrical magnetic stator, cylindrical magnetic yoke disposed to surround the stator and a magnetic coil disposed between the stator and the yoke. The stator is fixed to the sleeve at one end and having a bottom at the other end thereof. The shaft has one end to be in contact with the end of the sleeve thereby positioning the moving core in a longitudinal direction in the stator.
    • 一种电磁控制阀由一个用于开启或关闭流体通道的阀芯部分,一个用于一个方向驱动阀芯的螺线管部分,一个可滑动地设置在定子中的磁性移动芯体,一个固定在运动铁心上的非磁性轴,以及一个 弹簧构件,用于沿与所述一个方向相反的方向偏置所述卷轴。 阀芯部分包括阀芯和套管。 螺线管部分连接到卷轴部分,并且包括圆柱形磁性定子,设置成围绕定子的圆柱形磁轭和设置在定子和磁轭之间的磁性线圈。 定子在一端固定在套筒上,在其另一端具有底部。 轴的一端与套筒的端部接触,从而沿着定子中的纵向定位可动芯。