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    • 2. 发明授权
    • Hydraulic control of transmission
    • 液压控制传动
    • US4753136A
    • 1988-06-28
    • US819788
    • 1986-01-17
    • Yoichi HayakawaMasao KawaiKagenori FukumuraSeiichi Nishikawa
    • Yoichi HayakawaMasao KawaiKagenori FukumuraSeiichi Nishikawa
    • B60K17/346B60K23/08F16H63/30F16H63/44B60K41/16
    • F16H63/44B60K17/3467B60K23/0808F16H63/3026
    • A fluid pressure actuator for a frictionally engaged unit of a vehicular transmission includes a first transmission and a second transmission coupled to the output side of the first transmission and provided with a speed step change mechanism which has a frictionally engaging element for engaging a rotary member to a fixed member in such a manner as to enable an optional disengagement between the rotary member and the fixed member. The fluid pressure actuator further has an annular cylinder for operating the frictionally engaging element and has an outer annular portion and an inner annular portion provided inside the outer annular portion coaxially therewith, an annular piston including an outer annular portion slidably fitted to the outer annular portion of the cylinder and an inner annular portion slidably fitted to the inner annular portion of the cylinder, an outer cylinder chamber defined by the outer annular portions of the cylinder and the piston, and an inner cylinder chamber defined by the inner annular portions of the cylinder and the piston and connected to the outer cylinder chamber through an orifice through which working oil is supplied to one of the cylinder chambers. A one-way valve is provided in one of the annular portions of the cylinder for causing external air to be drawn into the one oil chamber.
    • 用于车辆变速器的摩擦接合单元的流体压力致动器包括第一变速器和联接到第一变速器的输出侧的第二变速器,并且设置有速度变化机构,该变速机构具有用于将旋转构件接合的摩擦接合元件 固定构件,以使得能够在旋转构件和固定构件之间可选地脱离接合。 所述流体压力致动器还具有用于操作所述摩擦接合元件的环形圆筒,并且具有外环形部分和设置在所述外环形部分内同心的内环形部分,所述环形活塞包括可滑动地装配到所述外环形部分的外环形部分 以及可滑动地装配到所述气缸的内部环形部分的内部环形部分,由所述气缸和所述活塞的外部环形部分限定的外部气缸室和由所述气缸的内部环形部分限定的内部气缸室 活塞并通过孔口连接到外缸室,工作油通过该孔口供应到气缸室中的一个。 单向阀设置在气缸的一个环形部分中,用于使外部空气被吸入一个油室。
    • 6. 发明授权
    • Apparatus for controlling lock-up clutch in automatic transmission
system having main transmission and sub-transmission
    • 用于控制具有主传动和副传动装置的自动变速系统中的锁止离合器的装置
    • US4858500A
    • 1989-08-22
    • US820153
    • 1986-01-21
    • Yoshiharu HaradaYutaka TagaKagenori FukumuraYoichi HayakawaMasao Kawai
    • Yoshiharu HaradaYutaka TagaKagenori FukumuraYoichi HayakawaMasao Kawai
    • F16H45/02F16H61/14F16H63/44
    • F16H61/143F16H63/44Y02T10/76Y10S477/908Y10T477/613Y10T477/635Y10T477/647
    • A transmission control device according to the present invention comprises a main transmission having a torque converting device provided with a direct clutch for effecting engagement and disengagement of the input member with output member of a torque converting portion; a sub transmission having a speed change mechanism; a drive-mode detecting means for detecting the drive mode of the speed change mechanism of the sub transmission; and a controller for controlling the lock-up characteristics of the direct clutch by means of the output of the drive mode detecting means.The transmission control device is capable of setting the lock-up characteristics of the direct clutch in accordance with the speed mode of the sub transmission by effecting a change-over of the lock-up characteristics of the direct clutch of the torque converting device on the basis of the output of the drive-mode detecting means for detecting the speed mode of the sub transmission, so that it is possible to optimize the power performance, operating performance, and fuel consumption in accordance with the speed mode of the sub transmission.
    • 根据本发明的变速器控制装置包括:主变速器,其具有设置有直接离合器的转矩转换装置,用于实现输入部件与转矩转换部分的输出部件的接合和分离; 具有变速机构的副变速器; 用于检测副变速器的变速机构的驱动模式的驱动模式检测装置; 以及控制器,用于通过驱动模式检测装置的输出来控制直接离合器的锁定特性。 变速器控制装置能够根据副变速器的速度模式来设定直接离合器的锁定特性,通过转换转矩转换装置的直接离合器的锁定特性, 用于检测副变速器的速度模式的驱动模式检测装置的输出的基础,使得可以根据副变速器的速度模式来优化动力性能,操作性能和燃料消耗。