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    • 44. 发明授权
    • Transmission throttle valve of automatic power transmission
    • 传动节气门自动变速箱
    • US4257441A
    • 1981-03-24
    • US968719
    • 1978-12-12
    • Kazuyoshi IwanagaKazuhiko SuganoKunio Ohtsuka
    • Kazuyoshi IwanagaKazuhiko SuganoKunio Ohtsuka
    • F16H61/00F16H59/18F16H61/02G05D16/10
    • F16H61/029F16H59/18Y10T137/2607Y10T477/6939
    • A transmission throttle valve for use in a hydraulic control system of an automotive automatic power transmission, comprising a valve plunger movable with the accelerator pedal of an automotive vehicle and, a valve spool engaging the valve plunger through a spring urging the valve plunger and the valve spool to axially move in opposite directions relative to each other for producing a fluid pressure variable with the displacement of the accelerator pedal, wherein the valve spool is formed with an axial bore open at both ends and has the valve plunger slidably passed through the bore while the valve plunger is formed with a laterally enlarged axial portion forming a variable-volume space in which the fluid pressure developed by the transmission throttle valve is to be admitted to urge the valve plunger to axially move against the force of the spring so as to save the driver's effort for depressing the accelerator pedal.
    • 一种用于汽车自动动力传动装置的液压控制系统的变速器节流阀,包括可与机动车辆的加速器踏板一起移动的阀柱塞和通过弹簧推动阀柱塞和阀门的阀芯接合的阀芯 阀芯相对于彼此沿相反方向轴向移动,以产生具有加速器踏板位移的流体压力变化,其中阀芯形成有在两端敞开的轴向孔,并且阀柱塞可滑动地穿过孔,同时 阀柱塞形成有横向扩大的轴向部分,形成可变容积的空间,其中由传动节流阀显影的流体压力将被允许以促使阀柱塞克服弹簧的力轴向移动,以便节省 司机努力踩下油门踏板。
    • 49. 发明授权
    • Hydraulic lock-up control system during shifting in automatic
transmission
    • 自动变速箱变速期间的液压锁止控制系统
    • US4924979A
    • 1990-05-15
    • US264740
    • 1988-10-31
    • Kazuhiko Sugano
    • Kazuhiko Sugano
    • F16D48/02F16H61/14
    • F16H61/14F16H2041/246
    • A low restrictor is provided in a hydraulic line having one end connected to a fourth speed servo apply chamber of a friction device, in the form of a band brake, and an opposite end connected to a 3-4 shift valve. An accumulator is connected to the hydraulic line at a first section between the flow restrictor and the friction device. A lock-up control valve is connected to the hydraulic line at a second section between the flow restrictor and the 3-4 shift valve. The lock-up control valve includes a spool movable to a first position where a lock-up clutch is released from a second position where the lock-up clutch is engaged in response to a drop in hydraulic pressure within the second section of the hydraulic line upon shifting from the fourth speed ratio to the third speed ratio. Since the transmission of this drop to the first section of the hydraulic line is delayed by the flow restrictor and the accumulator, the release of the friction device is delayed.
    • 在液压管路中设置有一个低限制器,其一端连接到带式制动器形式的摩擦装置的第四速度伺服施加室,和连接到3-4换档阀的相对端。 在节流器和摩擦装置之间的第一部分处,蓄能器连接到液压管路。 在限流器和3-4换档阀之间的第二部分处,锁定控制阀连接到液压管路。 锁止控制阀包括一个可移动到第一位置的阀芯,其中锁定离合器响应于液压管路的第二部分内液压的下降而从锁止离合器接合的第二位置释放 在从第四速比转换到第三速比时。 由于通过流量限制器和蓄能器将液滴的传输延迟到液压管路的第一部分,因此摩擦装置的释放被延迟。