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    • 5. 发明申请
    • Torque converter
    • 转矩转换器
    • US20090139818A1
    • 2009-06-04
    • US12292519
    • 2008-11-20
    • Kazunori IshikawaAkitomo SuzukiKazuyoshi ItoTakamitsu KuroyanagiHiroki Nagai
    • Kazunori IshikawaAkitomo SuzukiKazuyoshi ItoTakamitsu KuroyanagiHiroki Nagai
    • F16D33/00
    • F16H45/02F16H2045/0294
    • In sliding engagement of a clutch plate of a lock-up clutch with a front cover of a converter housing, with a difference in rotational speed therebetween, the sum of the urging force of a coil spring and the force of a lock-up discharge hydraulic pressure in a front side chamber is greater than the force of a lock-up engagement pressure in a rear side chamber. A selector valve member, accommodated in a valve chamber of a displacement selector mechanism, therefore, brings an oil chamber between the clutch plate (first piston) and a second piston into communication with the front side chamber. The hydraulic pressure of the rear side chamber received by a rear face of the piston is higher than hydraulic pressure of the oil chamber received by a front face of the piston and, therefore, the piston is displaced forwardly into frictional contact with the clutch plate and transmission of judder to an input shaft of a speed change mechanism is thereby reduced.
    • 在锁止离合器的离合器片与转换器壳体的前盖的滑动接合中,与它们之间的转速差异,螺旋弹簧的作用力和锁止液压力的总和 前侧室中的压力大于后侧室中的锁定接合压力。 因此,容纳在位移选择器机构的阀室中的选择阀构件使得在离合器板(第一活塞)和第二活塞之间的油室与前侧室连通。 由活塞后面接收的后侧室的液压高于活塞前面容纳的油室的液压,因此活塞向前移动与离合器板摩擦接触, 因此,减速器向变速机构的输入轴的传递。
    • 7. 发明授权
    • Power transmission device
    • 动力传动装置
    • US09086140B2
    • 2015-07-21
    • US13281998
    • 2011-10-26
    • Tetsuya ShimizuTomomi IshikawaTomoya JinnoKenichi TsuchidaKazunori Ishikawa
    • Tetsuya ShimizuTomomi IshikawaTomoya JinnoKenichi TsuchidaKazunori Ishikawa
    • F16H61/00F16H61/02
    • F16H61/0021F16H61/0031F16H61/0206F16H2312/14F16H2312/20
    • A power transmission device that transmits power from a motor to a wheel via a hydraulically driven friction engagement element and that includes a mechanical pump driven by the motor to produce a hydraulic pressure that is regulated by a pressure regulating valve; an electric pump that produces a hydraulic pressure; a switching mechanism that either switches an output pressure of the regulating valve or an output pressure of the electric pump to a servo of the engagement element based upon a signal pressure; a passage to supply pressure from the mechanical pump to the hydraulic servo; a check valve in the passage that allows supply of the pressure from the mechanical pump to the hydraulic servo and prohibits supply of the pressure from the electric pump to the mechanical pump, and the switching mechanism either shuts off or allows communication through the passage based upon the signal pressure.
    • 一种动力传递装置,其通过液压驱动的摩擦接合元件将电动机从电动机传递到车轮,并且包括由电动机驱动的机械泵,以产生由压力调节阀调节的液压; 产生液压的电动泵; 切换机构,其基于信号压力将调节阀的输出压力或电动泵的输出压力切换到接合元件的伺服机构; 从机械泵向液压伺服提供压力的通道; 通道中的止回阀,其允许将来自机械泵的压力提供给液压伺服机构,并禁止从电动泵向机械泵供给压力,并且切换机构关闭或允许通过通道的连通基于 信号压力。