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    • 1. 发明授权
    • Slip control system for lockup torque converter
    • 锁止变矩器滑动控制系统
    • US5010990A
    • 1991-04-30
    • US432214
    • 1989-11-06
    • Hiroshi YoshimuraTakuji FujiwaraKozo IshiKazuo Takemoto
    • Hiroshi YoshimuraTakuji FujiwaraKozo IshiKazuo Takemoto
    • F16H61/14
    • F16H61/143F16H2061/145Y10T477/6351
    • A lockup torque converter of an automatic transmission for an automotive vehicle consists of an impeller connected to an engine, a turbine connected to the automatic transmission, and a lockup clutch disposed between first and second pressure chambers formed in a housing of said lockup torque converter for locking and releasing the lockup torque converter. A control unit supplies a hydraulic pressure into the first pressure chamber and withdraw a hydraulic pressure chamber from the second pressure chamber or reversely so as to actuate the lockup clutch to lock or unlock the lockup torque converter, respectively. A pressure regulating unit develops a pressure difference between the first and second pressure chambers when the shifting of the automatic transmission is detected, thereby causing the lockup clutch to allow the lockup torque converter to slip in accordance with certain conditions.
    • 一种用于机动车辆的自动变速器的闭锁液力变矩器包括连接到发动机的叶轮,连接到自动变速器的涡轮机,以及设置在形成在所述锁止变矩器的壳体中的第一和第二压力室之间的锁止离合器, 锁定和释放锁止力矩转换器。 控制单元向第一压力室供应液压并从第二压力室抽出液压室,或者反向驱动锁止离合器,以分别锁定或解锁锁止变矩器。 当检测到自动变速器的变速时,压力调节单元产生第一和第二压力室之间的压力差,从而使锁止离合器允许锁止变矩器根据某些条件滑动。