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    • 23. 发明申请
    • Gear-mesh type automatic transmission system
    • 齿轮式自动变速箱系统
    • US20020096414A1
    • 2002-07-25
    • US09919880
    • 2001-08-02
    • MITSUBISHI DENKI KABUSHIKI KAISHA
    • Shoichi Miyamoto
    • B60K041/22B60K041/00
    • B60W10/06B60W10/02B60W10/11B60W30/19B60W2510/0241B60W2510/0652B60W2510/102F16D48/064F16D48/08F16D2500/10475F16D2500/1085F16D2500/30407F16D2500/30806F16D2500/30825F16D2500/3144F16D2500/31466F16D2500/7041F16D2500/70462F16D2500/70488F16D2500/7061F16D2500/70652F16H61/2807F16H63/46F16H2059/6807Y10T477/6407Y10T477/6414
    • A gear-mesh type automatic transmission system capable of controlling clutch coupling speed so as to mitigate shock likely to occur upon changeover of speed stage regardless of not only time-dependent deterioration of an electromagnetic clutch but also dispersion among individual clutches. The gear-mesh type automatic transmission system includes an electromagnetic clutch (2) for effectuating transmission and interruption of output power from an output shaft (21) of an engine (1) to an input shaft (22) of a gear-mesh type transmission (3), a shift/select actuator (5) for shifting a speed change gear to a shift/select position in the gear-mesh type transmission (3), a shift/select position sensor (6) for detecting a shift/select position of the speed change gear, and a control unit (4) for driving the shift/select actuator (5) in accordance with a shift lever position selected by a driver, to thereby change over automatically the gear-mesh type transmission (3) to a target speed stage. The control unit (4) is designed to couple the electromagnetic clutch (2) while carrying out a feedback control on the basis of a rate of change of a slip rotation speed in succession to the speed stage changeover.
    • 一种能够控制离合器联接速度的齿轮啮合型自动变速器系统,以便减轻在转速阶段转换时可能发生的冲击,而不仅不仅是电磁离合器的时间依赖性劣化,而且在各个离合器之间分散。 齿轮啮合式自动变速器系统包括一个电磁离合器(2),用于实现从发动机(1)的输出轴(21)到齿轮啮合式变速器的输入轴(22)的输出功率的传递和中断 (3),用于将变速齿轮换档到齿轮啮合式变速器(3)中的换档/选择位置的换档/选择致动器(5),用于检测换档/选择的换档/选择位置传感器 变速齿轮的位置,以及用于根据驾驶员选择的变速杆位置驱动换挡/选择致动器(5)的控制单元(4),从而自动地切换齿轮啮合型变速器(3) 到目标速度阶段。 控制单元(4)被设计成在电动离合器(2)之间耦合,同时基于与转速级切换相关的滑移转速的变化率来执行反馈控制。
    • 30. 发明授权
    • Transmission control system
    • 变速箱控制系统
    • US4660441A
    • 1987-04-28
    • US726403
    • 1985-04-23
    • Alastair J. Young
    • Alastair J. Young
    • F16H61/00F16D48/06F16H3/00F16H3/089F16H61/02F16H61/688F16H3/08B60K20/14F16H3/26
    • F16H61/0206F16D48/062F16D48/068F16D2048/0266F16D2500/1026F16D2500/10412F16D2500/1085F16D2500/3146F16D2500/31466F16D2500/50239F16D2500/50653F16D2500/70406F16H2306/00F16H3/006F16H3/089F16H61/688Y10T74/19228Y10T74/1926
    • An electro-hydraulic control system is intended for the kind of automatic power transmission which comprises at least three forward gear ratios and in which ratio changes are effected under power by releasing one clutch interconnecting the transmission input and output through one engaged gearset simultaneously with engaging another clutch interconnecting the input and output through another engaged gearset. The control system comprises hydraulic gear actuators each for engaging and disengaging a separate gearset. Electro-hydraulic valves control the supply of hydraulic fluid to the actuators in response to ratio selection signals derived in an electronic control. One set of electro-hydraulic valve states is arranged to engage first and second gearsets while a second set of electro-hydraulic valve states is arranged to engage both second and third gearsets. Operation of the transmission in only one of the ratios associated with the two engaged gearsets is effected by holding one of the clutches disengaged while the other clutch is engaged, thus establishing drive through one and only one of the two engaged gearsets.
    • 一种电动液压控制系统用于这种自动变速器,其包括至少三个前进档,并且在动力下通过释放通过一个啮合的齿轮组互连变速器输入和输出的一个离合器同时与另一个接合 离合器通过另一个啮合齿轮组将输入和输出相互连接。 控制系统包括用于接合和分离单独齿轮组的液压齿轮致动器。 电液阀响应于在电子控制中得到的比例选择信号来控制向致动器供应液压流体。 一组电液阀状态布置成与第一和第二齿轮组接合,而第二组电液阀状态被布置成接合第二和第三齿轮组。 通过在另一个离合器接合的同时使一个离合器松开,从而通过两个接合的齿轮组中的一个且仅一个来实现传动。