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    • 9. 发明授权
    • Belt-type continuously variable transmission
    • 带式无级变速器
    • US5776028A
    • 1998-07-07
    • US704877
    • 1996-08-30
    • Takahiro MatsudaDaihei Teshima
    • Takahiro MatsudaDaihei Teshima
    • F16H61/662F16H9/00
    • F16H61/66272Y10T477/6237Y10T477/624
    • A belt-type continuously variable transmission has a pulley side pressure control valve for controlling side pressures of driving and driven pulleys and a controller for controlling the pulley side pressure control valve. The controller has a correcting device for correcting a belt transmission torque calculated by a belt transmission torque calculator when the polarity of the belt transmission torque changes. The correcting device adds to the belt transmission torque for a predetermined time a correction value corresponding to a peak torque of the belt transmission torque arising at times of throttle opening and closing. That is, because the belt transmission torque is corrected in correspondence with the peak torque arising at times of throttle opening and closing, the side pressures of the pulleys are kept at suitable values at all times and slippage of the metal V-belt is prevented.
    • 带式无级变速器具有用于控制驱动和从动皮带轮的侧压的皮带轮侧压力控制阀和用于控制皮带轮侧压力控制阀的控制器。 控制器具有校正装置,用于当皮带传动扭矩的极性改变时,校正由皮带传动扭矩计算器计算的皮带传动扭矩。 校正装置将皮带传递扭矩增加预定时间,对应于在节气门打开和关闭时产生的皮带传动扭矩的峰值扭矩的校正值。 也就是说,由于与节气门开闭时产生的峰值扭矩对应地修正带传动扭矩,所以一直保持皮带轮的侧压为合适的值,防止金属V形带的滑动。
    • 10. 发明授权
    • Pulley thrust pressure control apparatus for belt-type continuously
variable transmission
    • 皮带式无级变速传动带推力压力控制装置
    • US5569114A
    • 1996-10-29
    • US219591
    • 1994-03-29
    • Takahiro MatsudaDaihei Teshima
    • Takahiro MatsudaDaihei Teshima
    • F16H9/00F16H61/12F16H61/662
    • F16H61/66272F16H2061/66277F16H61/12Y10T477/624Y10T477/62427
    • A pulley thrust pressure control apparatus for a belt-type continuously variable transmission having a drive pulley connected with an input member, a driven pulley connected with an output member, a V-belt trained around the drive and driven pulleys, a drive cylinder for varying the pulley width of the drive pulley, and a driven cylinder for varying the pulley width of the driven pulley. The actual transmitting torque transmitted through the V-belt is calculated and a belt transmittable torque is calculated by multiplying the actual transmitting torque by a safety factor which is higher when said actual transmitting torque is negative than when it is positive. A pulley thrust pressure control valve controls the pressures supplied to the drive and driven cylinders so as to obtain the calculated belt transmitting torque.
    • 一种用于带式无级变速器的滑轮推力压力控制装置,具有与输入构件连接的驱动皮带轮,与输出构件连接的从动皮带,围绕驱动和从动滑轮训练的V形皮带,用于变化的驱动气缸 驱动滑轮的滑轮宽度和用于改变从动滑轮的滑轮宽度的从动缸。 计算通过V型皮带传递的实际传递扭矩,并且通过将实际传递转矩乘以当所述实际传递转矩为负时比当其为正时更高的安全系数来计算皮带传输扭矩。 滑轮推力压力控制阀控制提供给驱动和从动气缸的压力,以获得计算的皮带传递扭矩。