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    Speed change control apparatus and method for an automatic transmission in a vehicle
    2.
    发明授权
    Speed change control apparatus and method for an automatic transmission in a vehicle 失效
    设备和控制的方法，用于自动车辆变速箱的变速

    公开(公告)号：EP0583954B1

    公开(公告)日：1996-10-16

    申请号：EP93306392.7

    申请日：1993-08-12

    申请人： MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA

    发明人： Fujita, Kenjiro ,  Usuki, Katsutoshi

    IPC分类号： F16H61/06 ,  B60K41/10

    CPC分类号： F16H61/061 ,  F16H2059/425 ,  F16H2059/467 ,  Y10T477/693636 ,  Y10T477/69387 ,  Y10T477/6939 ,  Y10T477/693964 ,  Y10T477/69398

    摘要： A speed change control method and apparatus for a vehicular automatic transmission having a first-speed clutch for establishing a first speed and a second-speed clutch for establishing a second speed, includes subjection of at least a duty ratio Dr of a second-speed solenoid valve for supplying oil pressure to the second-speed clutch to feedback control, so that the first-speed clutch is engaged while disengaging the second-speed clutch. This thereby increases a turbine rotational speed Nt toward the first-speed synchronous rotational speed. Further, an upper limit value Dmax of the duty ratio Dr is set, and the duty ratio Dr is subject to feedback control within a resultant duty ratio range, thereby preventing the duty ratio Dr from being set at an excessive value caused by a delay in the rise of the oil pressure. As a result, even if a depression of an accelerator pedal is suddenly increased during a downshifting process, an interlock problem can be prevented, thereby ensuring smooth speed change.

    Method and apparatus for speed change control of an automotive automatic transmission
    3.
    发明公开
    Method and apparatus for speed change control of an automotive automatic transmission 失效
    用于汽车自动变速器的变速控制的方法和设备

    公开(公告)号：EP0566399A3

    公开(公告)日：1994-01-05

    申请号：EP93302916.7

    申请日：1993-04-15

    申请人： MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA

    发明人： Fujita, Kenjiro ,  Usuki, Katsutoshi, Mitsubishi Dai-4 ,  Hatta, Katsuhiro

    IPC分类号： F16H61/06

    CPC分类号： F16H61/061 ,  F16H2059/385 ,  F16H2059/425 ,  F16H2061/0078 ,  F16H2061/0255 ,  Y10T477/692 ,  Y10T477/6937 ,  Y10T477/69383 ,  Y10T477/69387

    摘要： During downshift operation of an automotive automatic transmission in which a lower-speed clutch for establishing a lower-speed gear is engaged while a higher-speed clutch, which has established a higher-speed gear, is disengaged, to increase the turbine rotational speed Nt toward a synchronous rotation speed Ntj associated with the lower-speed gear, speed change control is carried out according to the same control method regardless of whether the engine is in a power-on or power-off state. A target change rate (Nir)' of turbine rotational speed associated with the higher-speed clutch and a target change rate (Nia)' of turbine rotational speed associated with the lower-speed clutch are set, and a change rate (Nt)' of the turbine rotational speed is detected. The transmission torque through the higher-speed clutch is controlled in a feedback manner such that the detected change rate (Nt)' coincides with the change rate (Nir)', and also the transmission torque through the lower-speed clutch is feedback-controlled such that the change rate (Nt)' coincides with the change rate (Nia)', thereby carrying out downshift.

    摘要翻译： 在建立低速档的低速离合器接合而建立了高速档的高速离合器分离的汽车自动变速器的降档操作期间，为了增大涡轮转速Nt 朝向与低速档相关联的同步转速Ntj，不管发动机处于通电还是断电状态，都根据相同的控制方法执行变速控制。 设定与高速离合器相关联的涡轮机转速的目标变化率（Nir）'和与低速离合器相关联的涡轮机转速的目标变化率（Nia）'，并且设定变速率（Nt）'' 检测涡轮转速。 以反馈方式控制通过较高速度的离合器的传递转矩，使得检测到的变化率（Nt）'与变化率（Nir）'一致，并且还通过较低速度的离合器的传递转矩被反馈控制 使得变化率（Nt）'与变化率（Nia）'一致，从而进行降档。

    Method and apparatus for speed change control of an automotive automatic transmission
    6.
    发明授权
    Method and apparatus for speed change control of an automotive automatic transmission 失效
    用于机动车辆自动变速器的变速控制方法和装置

    公开(公告)号：EP0566399B1

    公开(公告)日：1996-10-09

    申请号：EP93302916.7

    申请日：1993-04-15

    申请人： MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA

    发明人： Fujita, Kenjiro ,  Usuki, Katsutoshi, Mitsubishi Dai-4 ,  Hatta, Katsuhiro

    IPC分类号： F16H61/06

    CPC分类号： F16H61/061 ,  F16H2059/385 ,  F16H2059/425 ,  F16H2061/0078 ,  F16H2061/0255 ,  Y10T477/692 ,  Y10T477/6937 ,  Y10T477/69383 ,  Y10T477/69387

    摘要： During downshift operation of an automotive automatic transmission in which a lower-speed clutch for establishing a lower-speed gear is engaged while a higher-speed clutch, which has established a higher-speed gear, is disengaged, to increase the turbine rotational speed Nt toward a synchronous rotation speed Ntj associated with the lower-speed gear, speed change control is carried out according to the same control method regardless of whether the engine is in a power-on or power-off state. A target change rate (Nir)' of turbine rotational speed associated with the higher-speed clutch and a target change rate (Nia)' of turbine rotational speed associated with the lower-speed clutch are set, and a change rate (Nt)' of the turbine rotational speed is detected. The transmission torque through the higher-speed clutch is controlled in a feedback manner such that the detected change rate (Nt)' coincides with the change rate (Nir)', and also the transmission torque through the lower-speed clutch is feedback-controlled such that the change rate (Nt)' coincides with the change rate (Nia)', thereby carrying out downshift.

    Fluid pressure control device for an automatic transmission in a vehicle
    7.
    发明公开
    Fluid pressure control device for an automatic transmission in a vehicle 失效
    Füssigkeitsdruck-Steuereinrichtungfürein automatisches Kfz-Getriebe。

    公开(公告)号：EP0571137A1

    公开(公告)日：1993-11-24

    申请号：EP93303732.7

    申请日：1993-05-14

    申请人： MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA ,  MITSUBISHI JIDOSHA ENGINEERING KABUSHIKI KAISHA

    发明人： Fujita, Kenjiro ,  Kondo, Akihiro ,  Ohnishi, Toyoji ,  Hasegawa, Yoshio, Mitsubishi Sai-5 Seimeiryo ,  Yuge, Mitsuru

    IPC分类号： F16H61/00 ,  F15B21/04

    CPC分类号： F16H61/0276 ,  F16H2061/004

    摘要： The fluid pressure control device according to the present invention is equipped with a valve body (26) which has an input port (28) connected to a hydraulic fluid source (48), an output port (30) which is connected to a pressure chamber (16) of a clutch (2) of an automatic transmission, and a discharge port (32), a solenoid valve (24) which is incorporated in the valve body (26) and has a valve spool (34) designed to selectively connect the output port (30) to the input port (28) or the discharge port (32), a discharge passage (60) which extends from the discharge port (32) of the valve body (26), the discharge passage (60) having a discharge port (68) which is positioned at a higher level than the liquid level of the oil pan (53) of the automatic transmission, and a reed valve (70) which closes the discharge port (68) of the discharge passage (60) and allows the discharge of the hydraulic fluid only through the discharge port (68).

    摘要翻译： 根据本发明的流体压力控制装置配备有具有连接到液压流体源（48）的输入端口（28）的阀体（26），连接到压力室的输出端口（30） （16），以及排出口（32），电磁阀（24），其装在阀体（26）中并具有阀芯（34），该阀芯被设计成选择性地连接 输出口（30）到输入口（28）或排出口（32），从阀体（26）的排出口（32）延伸的排出通道（60），排出通道（60） 具有位于比自动变速器的油底壳（53）的液面高的高度的排出口（68），以及关闭排出通道的排出口（68）的簧片阀（70） 60），并且仅允许通过排出口（68）排出液压流体。

    Speed change control method of an automotive automatic transmission
    8.
    发明公开
    Speed change control method of an automotive automatic transmission 失效
    Gangwechsel-Steuerverfahrenfürein automatisches Fahrzeuggetriebe。

    公开(公告)号：EP0565383A1

    公开(公告)日：1993-10-13

    申请号：EP93302804.5

    申请日：1993-04-08

    申请人： MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA

    发明人： Fujita, Kenjiro ,  Usuki, Katsutoshi Mitsubishi Dai-4 Seimei-ryo, 18 ,  Hatta, Katsuhiro ,  Hiramatsu, Takeo

    IPC分类号： F16H61/06

    CPC分类号： F16H61/061 ,  F16H59/46 ,  F16H61/684 ,  F16H2059/425 ,  F16H2061/0078 ,  Y10T74/1926

    摘要： A speed change control method of an automotive automatic transmission in which a turbine rotational speed is caused to change toward a synchronous rotational speed associated with a desired gear stage by engaging a connection-side clutch while disengaging a release-side clutch, to thereby carry out gear-changing. To reduce a speed change shock, a speed change time is rendered stabilized irrespective of vehicle running state, by carrying out feedback control (Step S76) such that the time-dependent change rate (Ns)' of a rotational speed difference between clutch plates and clutch discs of the connection-side clutch becomes equal to a target slip rotational speed change rate (Ni)'.

    摘要翻译： 一种汽车自动变速器的变速控制方法，其中，通过在使释放侧离合器脱离的同时使连接侧离合器接合而使涡轮机转速朝向与期望的齿轮级相关的同步转速变化，从而进行 齿轮变换。 为了减少变速冲击，通过进行反馈控制（步骤S76），使离合器片和离合器片之间的转速差的时间变化率（Ns）'与车辆行驶状态无关地使速度变化时间稳定 连接侧离合器的离合器盘等于目标滑移转速变化率（Ni）'。

    Speed change control apparatus and method for an automatic transmission in a vehicle
    10.
    发明公开
    Speed change control apparatus and method for an automatic transmission in a vehicle 失效
    装置和用于自动机动车辆变速器的变速控制的方法。

    公开(公告)号：EP0583954A1

    公开(公告)日：1994-02-23

    申请号：EP93306392.7

    申请日：1993-08-12

    申请人： MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA

    发明人： Fujita, Kenjiro ,  Usuki, Katsutoshi

    IPC分类号： F16H61/06 ,  B60K41/10

    CPC分类号： F16H61/061 ,  F16H2059/425 ,  F16H2059/467 ,  Y10T477/693636 ,  Y10T477/69387 ,  Y10T477/6939 ,  Y10T477/693964 ,  Y10T477/69398

    摘要： A speed change control method and apparatus for a vehicular automatic transmission having a first-speed clutch for establishing a first speed and a second-speed clutch for establishing a second speed, includes subjection of at least a duty ratio Dr of a second-speed solenoid valve for supplying oil pressure to the second-speed clutch to feedback control, so that the first-speed clutch is engaged while disengaging the second-speed clutch. This thereby increases a turbine rotational speed Nt toward the first-speed synchronous rotational speed. Further, an upper limit value Dmax of the duty ratio Dr is set, and the duty ratio Dr is subject to feedback control within a resultant duty ratio range, thereby preventing the duty ratio Dr from being set at an excessive value caused by a delay in the rise of the oil pressure. As a result, even if a depression of an accelerator pedal is suddenly increased during a downshifting process, an interlock problem can be prevented, thereby ensuring smooth speed change.

    摘要翻译： 对于具有用于建立第一速度和用于建立第二速度的第二速离合器1档离合器的车辆用自动变速器的变速控制方法和装置，包括第二速螺线管中的至少一个的占空比博士的隶属 供给阀为油压向第二档离合器的反馈控制，所以没有同时分离第二档离合器的第一速离合器被接合。 这从而提高涡轮机转速Nt朝向第一速同步转速。 此外，在占空比的上限值Dmax的博士被设置，并且占空比博士是所得占空比范围内受到反馈控制，从而被设定为在由延迟引起的过大的值防止占空比博士 机油压力的上升。 其结果是，即使油门踏板的踩踏时的降档过程中突然增加，互锁问题可以预防的，从而保证流畅的运行速度的变化。