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公开(公告)号：US5749802A
公开(公告)日：1998-05-12
申请号：US646467
申请日：1996-05-08
CPC分类号： F16H61/0437 , F16H2059/6807 , F16H2061/0485 , F16H59/36 , F16H59/70 , F16H61/0021 , F16H61/08 , Y10T477/6895
摘要： An automatic transmission control apparatus has first and second hydraulic servos for engaging forward and reverse driving friction engaging elements, respectively, a fluid pressure control unit, a range shift detector, and an electronic control unit. When the forward driving range is selected, the fluid pressure control unit supplies a forward driving range pressure to the hydraulic servo via a changeover valve operated by a signal pressure from a normal open-type solenoid valve, when the signal pressure is drained. When the reverse driving range is selected, the electronic control unit outputs a signal to magnetize the solenoid valve. The solenoid valve is thus turned on to discontinue the drain. The control apparatus thus prevents low pressure in the reverse driving range pressure to prevent delay of engagement of the clutch.
摘要翻译： 一种自动变速器控制装置具有用于分别接合前进和后退驱动摩擦接合元件的第一和第二液压伺服机构，流体压力控制单元，量程换档检测器和电子控制单元。 当选择正向驱动范围时，当信号压力被排出时，流体压力控制单元通过由来自正常开式电磁阀的信号压力操作的转换阀向液压伺服机构供给正向行驶范围压力。 当选择反向驱动范围时，电子控制单元输出一个信号来磁化电磁阀。 因此，电磁阀被打开以中止排水。 因此，控制装置防止反向驱动范围压力中的低压，以防止离合器的接合延迟。
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公开(公告)号：US5707316A
公开(公告)日：1998-01-13
申请号：US646635
申请日：1996-05-08
IPC分类号： F16H59/36 , F16H59/38 , F16H59/44 , F16H59/68 , F16H61/00 , F16H61/04 , F16H61/06 , F16H61/08
CPC分类号： F16H61/061 , F16H2059/6807 , F16H2061/0488 , F16H59/36 , F16H59/38 , F16H59/44 , F16H61/08 , Y10T477/689 , Y10T477/6895 , Y10T477/6939
摘要： An automatic transmission control apparatus has a clutch, a hydraulic servo for the clutch, a fluid pressure control unit, a range shift detector, and an electronic control unit. The fluid pressure control unit has a manual valve, a pressure regulating valve device, and a changeover valve device. The electronic control unit controls the changeover valve device and the pressure regulating valve device. Immediately after a shift to the forward driving range, the electronic control unit holds the changeover valve device in such a state that a forward driving range pressure is supplied without passing through the pressure regulating valve device. Then, the electronic control unit shifts the changeover valve device to such a state that a regulated pressure is supplied from the pressure regulating valve device, which has been switched to a pressure regulating state by the electronic control unit. This control operation precisely sets the fluid pressure changeover timing and the initial fluid pressure.
摘要翻译： 一种自动变速器控制装置具有离合器，用于离合器的液压伺服机构，流体压力控制单元，量程变速检测器和电子控制单元。 流体压力控制单元具有手动阀，压力调节阀装置和切换阀装置。 电子控制单元控制切换阀装置和压力调节阀装置。 在转移到前进行驶范围之后，电子控制单元将转换阀装置保持在提供正向行驶范围压力而不通过压力调节阀装置的状态。 然后，电子控制单元将切换阀装置移动到由电子控制单元切换到压力调节状态的调压阀装置供给调节压力的状态。 该控制操作精确地设定流体压力切换定时和初始流体压力。
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公开(公告)号：US06422356B1
公开(公告)日：2002-07-23
申请号：US09401965
申请日：1999-09-22
申请人： Akitomo Suzuki , Hiroshi Tsutsui , Tsuyoshi Kawamoto , Masahiro Ida , Yoshihisa Yamamoto , Masaaki Nishida , Kazumasa Tsukamoto
发明人： Akitomo Suzuki , Hiroshi Tsutsui , Tsuyoshi Kawamoto , Masahiro Ida , Yoshihisa Yamamoto , Masaaki Nishida , Kazumasa Tsukamoto
IPC分类号： F16H564
CPC分类号： F16H63/3003
摘要： The automatic transmission of the present invention prevents fluctuation of torque transmission through a band brake. In the hydraulic operator for the band brake, a resilient elastic cushion is provided between a rod abutting one end of the band of the band brake and a piston. Any slippage between the band and drum of the band brake will result in oscillation of the rod. However, the elastic cushion absorbs oscillation of the rod, thereby isolating the piston from that oscillation.
摘要翻译： 本发明的自动变速器防止通过带式制动器的转矩传递的波动。 在用于带式制动器的液压操作器中，弹性弹性缓冲垫设置在邻接带式制动器的带的一端和活塞之间的杆之间。 带式制动器的带和鼓之间的任何滑动将导致杆的振荡。 然而，弹性缓冲垫吸收杆的振动，从而将活塞与该振动隔离。
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公开(公告)号：US6102830A
公开(公告)日：2000-08-15
申请号：US56793
申请日：1998-04-08
IPC分类号： F16H59/24 , F16H59/36 , F16H59/42 , F16H59/44 , F16H59/68 , F16H61/06 , F16H61/08 , F16H61/00
CPC分类号： F16H61/061 , F16H2059/6807 , F16H2306/24 , F16H59/24 , F16H59/36 , F16H59/42 , F16H59/44 , Y10T477/693675 , Y10T477/6937 , Y10T477/6939
摘要： When a shift to a second gear ratio (second ratio) is determined during a shift control for a first shift (shift from fourth ratio to third ratio), the process status, or circumstances, of the first shift is determined using a hydraulic pressure for a fourth brake being engaged at the determination. When the process status, that is, the process circumstances, is in early phase, the first shift is interrupted and shift control for the direct shift to the second ratio (shift from fourth ratio to second ratio) is performed (first shift pattern). When the process status is in a late phase, the first shift control is continued, and after ending of the first shift control, the control for the shift to the second gear ratio (shift from third ratio to second ratio) is performed (second shift pattern). In the case of power off state, the second shift pattern is performed irrespective of the process status.
摘要翻译： 当在第一班次的换档控制（从第四档次向第三档位转换）中确定换档到第二变速比（第二档位）时，第一变速档的处理状态或状态是使用液压 在确定时接合第四制动器。 当处理状态即处理情况处于早期阶段时，第一班次被中断，并且执行从第四比例到第二比例的直接班次的换档控制（第一班班模式）。 当过程状态处于后期阶段时，第一变速控制继续进行，并且在第一变速控制结束之后，进行向第二变速比的换档（从第三速比向第二转速）的控制（第二变速 模式）。 在断电状态的情况下，与处理状态无关地执行第二移位模式。
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公开(公告)号：US5813943A
公开(公告)日：1998-09-29
申请号：US644890
申请日：1996-05-10
IPC分类号： F16H59/24 , F16H59/36 , F16H59/38 , F16H59/44 , F16H59/50 , F16H59/54 , F16H61/00 , F16H61/06 , F16H61/20
CPC分类号： F16H61/20 , B60W2510/0652 , B60W30/18118 , F16H2059/385 , F16H2061/205 , F16H2061/207 , F16H2312/022 , F16H59/24 , F16H59/36 , F16H59/44 , F16H59/54 , F16H61/0059 , Y10T477/638 , Y10T477/688 , Y10T477/69387 , Y10T477/6939
摘要： A control system for an automatic transmission includes: a clutch adapted to be applied when a forward running range is selected, to transmit the rotation of an engine to the transmission mechanism of a speed change unit and a hydraulic servo for applying/releasing the clutch. A control unit controls oil pressure fed to the hydraulic servo and includes: an application starting pressure detector for detecting application starting pressure at the instant when the application of the clutch is started; an initial application pressure setter for setting an initial application pressure on the basis of the detected application starting pressure; and an oil pressure regulator for adjusting the oil pressure fed to the hydraulic servo, when a change is made to a forward running range, and then gradually raising that oil pressure. The application starting pressure detected by the application starting pressure detector is the value at which the application of the clutch is actually started, so that the initial application pressure can be properly set even if the actual oil pressure fed to the hydraulic servo regardless of the urging force of a return spring or variation in manufacture of the hydraulic control system.
摘要翻译： 一种用于自动变速器的控制系统包括：适于在选择前进行驶范围时施加的离合器，以将发动机的旋转传递到变速单元的变速机构和用于施加/释放离合器的液压伺服机构。 控制单元控制供给到液压伺服机构的油压，包括：起动压力检测器，用于在启动离合器的施加时检测施加起动压力; 初始施加压力设定器，用于基于检测到的施加起始压力来设定初始施加压力; 以及油压调节器，用于当向前进行范围变化时，调节供给到液压伺服机构的油压，然后逐渐升高油压。 由施加起动压力检测器检测到的施加起动压力是实际启动离合器的应用的值，即使施加到液压伺服器的实际油压，也可以适当地设定初始施加压力，而不管施加压力 复位弹簧的力或液压控制系统的制造变化。
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公开(公告)号：US5547436A
公开(公告)日：1996-08-20
申请号：US428551
申请日：1995-04-25
申请人： Masahiro Hayabuchi , Masaaki Nishida , Yoshihisa Yamamoto , Kazuhiro Mikami , Hiroshi Tsutsui , Akihito Iwata
发明人： Masahiro Hayabuchi , Masaaki Nishida , Yoshihisa Yamamoto , Kazuhiro Mikami , Hiroshi Tsutsui , Akihito Iwata
IPC分类号： F16H61/00 , F16H3/66 , F16H59/16 , F16H59/22 , F16H59/24 , F16H59/36 , F16H59/44 , F16H59/54 , F16H61/02 , F16H61/04 , F16H61/10 , F16H61/20 , F16H63/40 , F16H59/04 , F16H59/14
CPC分类号： F16H61/20 , B60W30/18118 , F16H2061/205 , F16H2061/207 , F16H2312/02 , F16H3/66 , F16H59/16 , F16H59/22 , F16H59/24 , F16H59/36 , F16H59/44 , F16H59/54 , F16H61/0021 , Y10T477/681
摘要： A control system for an automatic transmission in a vehicle powertrain including an engine and a fluid coupling for transmitting the rotation of an engine to the transmission, the transmission having a clutch which is applied responsive to selection of a forward running range and a hydraulic servo for applying the clutch responsive to an oil pressure. The control system includes a control unit for controlling the oil pressure to the hydraulic servo; an input torque detector for detecting the input torque to be inputted to the transmission; and a specific state detector for detecting satisfaction of a set of specific starting conditions including: (1) that the forward running range has been selected, (2) that the vehicle is stopped and (3) that the engine is in an idling state. The control unit sets the oil pressure to the hydraulic servo to correspond to the input torque at the instant of detection of satisfaction the specific starting conditions, and includes: a first pressure-reducer for abruptly reducing the oil pressure of the hydraulic servo to a set oil pressure immediately before the release of the clutch is started; and a second pressure-reducer for gradually reducing the oil pressure of the hydraulic servo, which has been reduced to the set oil pressure by the first pressure-reducer.
摘要翻译： 一种用于车辆动力系统中的自动变速器的控制系统，包括发动机和用于将发动机的旋转传递到变速器的流体联轴器，所述变速器具有响应于向前行驶范围的选择而施加的离合器和用于 响应于油压而施加离合器。 控制系统包括用于控制液压伺服机构的油压的控制单元; 输入转矩检测器，用于检测要输入到变速器的输入转矩; 以及用于检测特定起动条件的满足的特定状态检测器，包括：（1）已经选择了前进行驶范围，（2）车辆停止，（3）发动机处于空转状态。 控制单元将液压伺服系统的油压设定为与特定起动条件满足时的检测时刻的输入转矩对应，包括：将液压伺服机构的油压突然降低到一组的第一减压器 开始释放离合器之前的油压; 以及用于逐渐降低由第一减压器降低到设定油压的液压伺服机构的油压的第二减压器。
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公开(公告)号：US06259983B1
公开(公告)日：2001-07-10
申请号：US09119237
申请日：1998-07-21
IPC分类号： F16H900
CPC分类号： F16H61/0437 , F16H61/08 , F16H2059/425 , F16H2059/6807 , F16H2061/0087 , Y10T477/623
摘要： A learning controller makes learning correction based on a time tST between start of a shift control routine and detection of start of a change in rotational speed of the transmission input shaft and further based on the amount of rotational speed change &ohgr;S′ at the detected start of the rotational speed change. When the time tST is longer than a basic time and when the rotational change amount &ohgr;S′ is too large, it is determined that a servo piston has not been sufficiently advanced and the shift control is corrected so that the time tST is lengthened. When the time tST to the detected start of the rotational speed change &ohgr;S′ is too small, it is determined that, while the piston has been advanced properly, the target engagement pressure PTA in torque phase control is too low because of a miscalculation, and the shift control is corrected so that the target engagement pressure is raised.
摘要翻译： 学习控制器基于变速控制程序开始之间的时间tST和变速器输入轴的转速开始的检测开始之间的时间tST进一步进行学习校正，并且还基于检测到的开始时的转速变化量ω 转速变化。 当时间tST长于基本时间，并且当旋转变化量ωs'太大时，确定伺服活塞未被充分提前，并且校正换档控制，使得时间tST延长。 当检测到的转速ω'S'的开始的时间tST太小时，确定在活塞已经正确前进的情况下，由于计算错误，转矩相位控制中的目标接合压力PTA太低，并且 校正换档控制，使得目标接合压力升高。
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公开(公告)号：US06068576A
公开(公告)日：2000-05-30
申请号：US145888
申请日：1998-08-02
申请人： Hiroshi Tsutsui , Takao Taniguchi , Kazumasa Tsukamoto , Masaaki Nishida , Yoshihisa Yamamoto , Masao Saito , Takayuki Kubo , Akitomo Suzuki
发明人： Hiroshi Tsutsui , Takao Taniguchi , Kazumasa Tsukamoto , Masaaki Nishida , Yoshihisa Yamamoto , Masao Saito , Takayuki Kubo , Akitomo Suzuki
CPC分类号： F16H61/061 , F16H2059/144 , F16H2059/405 , F16H2059/425 , F16H2059/6807 , F16H2061/0078 , F16H2061/044 , Y10T477/693636 , Y10T477/69373
摘要： When a vehicle driving state of an automatic transmission is changed to a power-off state from a power-on state during a down shift involving the disengagement of one friction element and the engagement of another friction element, a disengagement side pressure PA is reduced rapidly by a feedback control based on the change in gear ratio because of a reduction of an input torque. The disengagement side pressure control is unable to complete change of the gear ratio to complete the down shift. When the disengagement side pressure is reduced to a value less than a return spring load pressure PG or when the gear ratio change has not achieved a basic value in a predetermined time, the down shift control is changed from primary control by the disengagement side pressure control to primary control by an engagement side control so that the gear ratio change is completed by control of the engagement side pressure.
摘要翻译： 当自动变速器的车辆行驶状态在涉及一个摩擦元件的脱离和下一个摩擦元件的接合以及与另一个摩擦元件的接合的下降换档期间从通电状态变为断电状态时，分离侧压力PA迅速减小 通过由于输入转矩的降低而基于变速比的变化的反馈控制。 脱离侧压力控制不能完成变速比的变化以完成向下换档。 当分离侧压力降低到小于复位弹簧负载压力PG的值时，或者当齿轮比变化在预定时间内未达到基本值时，下降控制从主控制通过分离侧压力控制 通过接合侧控制进行初级控制，从而通过控制接合侧压力来完成齿轮比变化。
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9.发明授权
公开(公告)号：US5908370A
公开(公告)日：1999-06-01
申请号：US840711
申请日：1997-04-25
申请人： Takayuki Kubo , Masaaki Nishida , Yoshihisa Yamamoto , Akitomo Suzuki , Hiroshi Tsutsui , Kazumasa Tsukamoto
发明人： Takayuki Kubo , Masaaki Nishida , Yoshihisa Yamamoto , Akitomo Suzuki , Hiroshi Tsutsui , Kazumasa Tsukamoto
CPC分类号： F16H61/061 , F16H2061/0492 , F16H2061/0496 , F16H59/14 , F16H59/24 , F16H59/36 , F16H59/44 , Y10T477/6937 , Y10T477/69373 , Y10T477/6939
摘要： In power-on, high-vehicle-speed and high-torque conditions, a control unit sets a torque allotment ratio such that a main clutch bears all the torque. Thereby, the input shaft rotational speed is increased by controlling solely the main clutch releasing pressure. In power-on and low-torque or low-vehicle-speed conditions, the control unit sets a torque allotment ratio for the main clutch torque and the sub-clutch torque to 1:1. Thereby, control of the main clutch releasing pressure and control of the sub-clutch engaging pressure simultaneously proceed in parallel to produce a change in the input shaft rotational speed without a time lag. The hydraulic control apparatus thus conducts proper downshift control for a shift involving clutch engagement changeover, under all vehicle running conditions, without need for additional control logic.
摘要翻译： 在上电，高车速和高扭矩条件下，控制单元设定扭矩分配比，使得主离合器承受所有扭矩。 因此，仅通过控制主离合器释放压力来增加输入轴转速。 在上电和低扭矩或低车速条件下，控制单元将主离合器扭矩和副离合器扭矩的转矩分配比设置为1：1。 因此，主离合器释放压力的控制和副离合器接合压力的控制同时并行进行，从而在输入轴转速没有时间延迟的情况下产生变化。 因此，在所有车辆运行条件下，液压控制装置对于涉及离合器接合切换的换档进行适当的降档控制，而不需要额外的控制逻辑。
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公开(公告)号：US5902213A
公开(公告)日：1999-05-11
申请号：US995518
申请日：1997-12-22
CPC分类号： F16H61/061 , F16H59/24 , F16H59/36 , F16H59/40 , F16H59/42 , Y10T477/69363 , Y10T477/69387
摘要： In an automatic transmission including a gear unit with a second brake connected in series with a one-way clutch and a first brake that is not connected with a one-way clutch, the second brake and the first brake are controlled by linear solenoid valves individually. A vehicle load is detected, and when the vehicle is in a high load state, at first the second brake performs an engagement control, then after input rotation to the gear unit is synchronized with output rotation of the gear unit, the first brake performs an engagement control. When the vehicle is in a low load state, at first the first brake performs an engagement control, then after input rotation to the gear unit is synchronized with output rotation of the gear unit, the second brake performs an engagement control.
摘要翻译： 在包括具有与单向离合器串联的第二制动器的减速器和不与单向离合器连接的第一制动器的自动变速器中，第二制动器和第一制动器分别由线性电磁阀控制 。 检测到车辆负载，当车辆处于高负载状态时，首先第二制动器执行接合控制，然后在齿轮单元的输入转动与减速器的输出转动同步之后，第一制动器执行 订婚控制。 当车辆处于低负载状态时，首先第一制动器执行接合控制，然后在齿轮单元的输入转动与减速器的输出转动同步之后，第二制动器进行接合控制。
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