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    • 6. 发明公开
    • Control system for automatic transmission
    • 自动变速器控制系统
    • EP0709601A2
    • 1996-05-01
    • EP95116043.1
    • 1995-10-11
    • AISIN AW CO., LTD.
    • Iwata, AkihitoTsukamoto, KazumasaMikami, KazuhiroHayabuchi, MasahiroYamamoto, Yoshihisa
    • F16H61/06
    • F16H61/20B60W30/18118F16H59/22F16H59/36F16H59/44F16H59/48F16H59/54F16H59/72F16H61/0267F16H61/0437F16H61/061F16H2059/6807F16H2061/044F16H2061/205F16H2061/207F16H2312/022Y10T477/646Y10T477/681
    • A control system for an automatic transmission, comprising: a fluid transmission unit for transmitting the rotation of an engine to a speed change unit (16); a clutch (C₁) adapted to be applied when a forward running range is selected; a one-way clutch (F₂) adapted to be locked, when the clutch is applied, for establishing a forward first speed; a brake (B₁) for locking the one-way clutch, when locked, to block the backward rotation of the output shaft (23) of the speed change unit; a first hydraulic servo (91) for applying the clutch when fed with an oil pressure; a second hydraulic servo (92) for applying the brake when fed with an oil pressure; and a control unit (94) for controlling the oil pressures to be fed to the first hydraulic servo and the second hydraulic servo. The control unit includes: oil pressure feed means for starting the feed of the oil pressure to the second hydraulic servo if the forward running range is selected, if the vehicle is substantially in a stop state, if the engine is in an idling state and if the foot brake is in an active state; and pressure reducing means for starting the pressure reduction of the first hydraulic servo at a set timing and starting the shift of the applied state to the slipping state of the clutch at and after the timing, in which the movement of the piston in the piston stroke of the second hydraulic servo ends so that the application of the brake is started.
    • 1。一种自动变速器的控制装置,其特征在于,具备:流体传动部,其将发动机的旋转传递给变速部; 一个离合器(C 1),适用于当选择一个前进行驶范围时应用; 一个单向离合器(F 2),适用于当施加离合器时锁定,以建立前进的第一速度; 用于在锁定时锁定单向离合器的制动器(B 1)阻止变速单元的输出轴(23)的反向旋转; 第一液压伺服机构(91),用于在供给油压时施加离合器; 第二液压伺服机构(92),用于在供给油压时施加制动器; 和控制单元(94),用于控制供给到第一液压伺服机构和第二液压伺服机构的油压。 控制单元包括:油压供给装置,用于如果选择前进行驶范围,则在车辆基本上处于停止状态时,如果发动机处于空转状态,则开始向第二液压伺服机构供给油压,并且如果 脚制动器处于活动状态; 以及减压装置,用于在设定的正时开始第一液压伺服机构的减压,并且在正时和之后开始将施加状态切换到离合器打滑状态,其中活塞行程中的活塞移动 第二液压伺服机构的端部结束,从而开始施加制动。
    • 8. 发明公开
    • Automatic transmission control apparatus
    • Getriebe Steuereinrichtungfürein automatisches
    • EP0742394A2
    • 1996-11-13
    • EP96107402.8
    • 1996-05-09
    • AISIN AW CO., LTD.
    • Tsukamoto, KazumasaYamamoto, YoshihisaIwata, Akihito
    • F16H61/20F16H61/04
    • F16H61/20B60W30/18118B60W2550/142F16H3/66F16H59/18F16H59/22F16H59/44F16H59/54F16H59/66F16H2059/663F16H2061/205F16H2061/207Y10S477/901Y10T477/6388Y10T477/646Y10T477/681
    • An automatic transmission control apparatus has a vehicle speed detector, an accelerator pedal operation detector, a brake pedal operation detector, a clutch hydraulic servo that is neutral-controlled, a brake hydraulic servo that is hill holding-controlled, and a control device for controlling the fluid pressure supplies to the two servos. The control device selectively changes the start timing of the fluid pressure supply control. If it is determined that the vehicle is stopped and that the vehicle is not on an uphill, the control device causes a pressure reducing device and a pressure supplying device to simultaneously start reducing the fluid pressure supply to the clutch servo and supplying fluid pressure to the brake servo, respectively. If it is determined that the vehicle is on an uphill, the control device causes the pressure supplying device to start supplying fluid pressure to the brake servo and, after a predetermined time period, causes the pressure reducing device to start reducing the fluid pressure supply to the clutch servo.
    • 自动变速器控制装置具有车速检测器(Sn4),加速器踏板操作检测器(Sn1),制动踏板操作检测器(Sn6),中性控制的离合器液压伺服机构(C-1),制动液压 伺服(C-1),以及控制装置,用于控制对两个舵机的流体压力供给。 控制装置选择性地改变流体压力供给控制的开始定时。 如果确定车辆停止并且车辆没有上坡,则控制装置使减压装置和压力提供装置同时开始减小对离合器伺服器的流体压力供应并向 制动伺服。 如果确定车辆处于上坡,则控制装置使压力提供装置开始向制动伺服供给流体压力,并且在预定时间段之后使得减压装置开始将流体压力供应减少到 离合器伺服。
    • 9. 发明公开
    • Automatic transmission control apparatus
    • SteuerungsvorrichtungfürAutomatikgetriebe。
    • EP0679819A2
    • 1995-11-02
    • EP95106175.3
    • 1995-04-25
    • AISIN AW CO., LTD.
    • Tsukamoto, KazumasaHayabuchi, MasahiroNishida, MasaakiYamamoto, YoshihisaKusafuka, MuneoMikami, KazuhiroTsutsui, HiroshiIwata, Akihito
    • F16H61/20
    • F16H61/20F16H3/66F16H59/22F16H59/42F16H2059/385F16H2059/467F16H2061/207F16H2312/02
    • An automatic transmission control apparatus with which no state of slipping engagement of the first clutch is created in a neutral control state and as a result the vehicle is not subjected to idling vibration and the fuel consumption reducing effect of the neutral control state is not diminished and there is no heating and consequent reduction of the durability of the frictional material of the clutch.
      There are provided a fluid power transmission device 121, a clutch C which is engaged when a forward range is selected, a hydraulic servo 91, an input side speed sensor 491 for detecting the input side speed of the fluid power transmission device 121, an output side speed sensor 471 for detecting the output side speed of the fluid power transmission device 121, and a control apparatus 94. The control apparatus 94 has differential speed calculating means 941, differential speed change judging means 942, pressure increasing means 944 for increasing the hydraulic pressure of the hydraulic servo 91 by a set pressure when the differential speed has not changed, and pressure reducing means 945 for reducing the hydraulic pressure of the hydraulic servo 91 by a set pressure when the differential speed has changed.
    • 一种自动变速器控制装置,其在中立控制状态下不产生第一离合器的滑动接合状态,结果车辆不受到怠速振动,并且中性控制状态的燃料消耗降低效果没有减弱, 没有加热和随之而来的降低离合器的摩擦材料的耐久性。 设置有流体动力传递装置121,当选择前进范围时接合的离合器C,液压伺服机构91,检测流体动力传递装置121的输入侧速度的输入侧速度传感器491,输出 用于检测流体动力传递装置121的输出侧速度的侧面速度传感器471和控制装置94.控制装置94具有差速计算装置941,差速变速判定装置942,用于增加液压的增压装置944 当差速没有变化时,液压伺服机构91的压力达到设定压力;以及减速装置945,用于当差速变化时将液压伺服机构91的液压降低设定压力。