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    • 5. 发明授权
    • Nonsynchronous four-speed transaxle for automotive vehicles
    • 汽车非同步四速驱动桥
    • US5167593A
    • 1992-12-01
    • US739641
    • 1991-08-02
    • Stanley L. Pierce
    • Stanley L. Pierce
    • F16H3/66
    • F16H3/66F16H2200/0043F16H2200/201F16H2200/2097
    • A transaxle for use in an automotive vehicle driveline includes a torque converter and a compound planetary gear system having two simple planetary gear units adapted to provide four forward driving torque delivery paths, the highest speed ratio path being an overdrive, the axis of the torque converter being located on the crankshaft axis of the vehicle engine, and a torque output shaft being parallel to the torque converter and engine axis. Hydraulically actuated friction clutches and brakes and one-way couplings interconnect the input and output of the transmission to members of the planetary gearset and the transmission casing. A final drive planetary gearset, driven by the output of the planetary gear units, drives a differential mechanism connected to the axle shaft of the vehicle.
    • 用于机动车辆传动系统的变速驱动桥包括变矩器和具有两个简单行星齿轮单元的复合行星齿轮系统,该行星齿轮系统适于提供四个正向驱动转矩传递路径,最高速比路径是过驱动,变矩器转轴 位于车辆发动机的曲轴轴线上,扭矩输出轴平行于变矩器和发动机轴。 液压驱动的摩擦离合器和制动器和单向联轴器将变速器的输入和输出互相连接到行星齿轮组件和变速器壳体的构件。 由行星齿轮单元的输出驱动的最终驱动行星齿轮组驱动连接到车辆的车轴的差动机构。
    • 7. 发明授权
    • Hydraulic clutch pressure control for an electronically controlled
transmission
    • 用于电子控制变速器的液压离合器压力控制
    • US4628771A
    • 1986-12-16
    • US689205
    • 1985-02-19
    • Dennis W. PersonStanley L. PiercePolung Liang
    • Dennis W. PersonStanley L. PiercePolung Liang
    • F16H61/00F16H61/02F16H61/12B60K41/04
    • F16H61/0206F16H2061/1236F16H2061/1252F16H61/0021Y10S477/906Y10T477/693973
    • The hydraulic control circuit for an automatic transmission includes solenoid-operated clutch pressure valves which selectively connect line pressure to the selected clutch as the winding of the solenoids are energized and de-energized by an electronic control system. A solenoid feed valve and feedback valve operate to connect line pressure to the input port of the several clutch actuator valves, provided the clutch pressures are within certain limits. If these limits are exceeded, line pressure is disconnected from the actuator valves and is applied, instead, automatically and without respect to electronic control, to the clutches that produce a predetermined gear ratio. A coast control valve operates to regulate pressure to a servo that is pressurized at a lower level for low gear ratio operation and at a higher level for reverse drive operation. The coast control valve vents the servo if either of the clutches that produce the predetermined speed ratio are pressurized. A line pressure regulator and boost valve act in combination with an on-off valve whose state is determined by a solenoid. Minimum line pressure is established at a minimum value, determined by the pressure drops across two orifices whose sizes are predetermined, when the solenoid opens line pressure to a vent port. Maximum line pressure is determined by pressure forces developed on a boost valve when the line pressure regulator solenoid closes the boost line to the vent port.
    • 用于自动变速器的液压控制回路包括电磁操作的离合器压力阀,当电磁线圈的绕组被电子控制系统通电和断电时,选择性地将线路压力连接到所选择的离合器。 如果离合器压力在一定限度内,则电磁线圈进给阀和反馈阀用于将管路压力连接到多个离合器执行器阀的输入端口。 如果超过这些限制,则管路压力与致动器阀断开,并且自动地而不是电子控制被施加到产生预定齿轮比的离合器。 惯性控制阀用于调节对低速齿轮比操作时在较低水平加压的伺服器的压力,并在较高级别调节用于反向驱动操作的压力。 如果任何一个产生预定速比的离合器都被加压,则海岸控制阀通向伺服。 管路压力调节器和增压阀与其状态由螺线管确定的开关阀组合起作用。 最小管路压力由最小值确定,由最小值确定,当电磁阀向通气口打开管路压力时,通过两个尺寸预定的孔口的压降确定。 当线路压力调节器电磁阀将升压线关闭到通气口时,最大线路压力由在升压阀上产生的压力决定。
    • 10. 发明授权
    • Hydraulic control system for electronic transmission control
    • 液压控制系统用于电子变速器控制
    • US4527448A
    • 1985-07-09
    • US453270
    • 1982-12-27
    • Dennis W. PersonStanley L. PiercePo-lung Liang
    • Dennis W. PersonStanley L. PiercePo-lung Liang
    • F16H61/00F16H61/02F16H61/12B60K41/04
    • F16H61/0021F16H61/0206F16H61/12Y10T477/693965Y10T477/693973
    • The hydraulic control circuit for an automatic transmission includes solenoid-operated clutch pressure valves which selectively connect line pressure to the selected clutch as the winding of the solenoids are energized and de-energized by an electronic control system. A solenoid feed valve and feedback valve operate to connect line pressure to the input port of the several clutch actuator valves, provided the clutch pressures are within certain limits. If these limits are exceeded, line pressure is disconnected from the actuator valves and is applied, instead, automatically and without respect to electronic control, to the clutches that produce a predetermined gear ratio. A coast control valve operates to regulate pressure to a servo that is pressurized at a lower level for low gear ratio operation and at a higher level for reverse drive operation. The coast control valve vents the servo if either of the clutches that produce the predetermined speed ratio are pressurized. A line pressure regulator and boost valve act in combination with an on-off valve whose state is determined by a solenoid. Minimum line pressure is established at a minimum value, determined by the pressure drops across two orifices whose sizes are predetermined, when the solenoid opens line pressure to a vent port. Maximum line pressure is determined by pressure forces developed on a boost valve when the line pressure regulator solenoid closes the boost line to the vent port.
    • 用于自动变速器的液压控制回路包括电磁操作的离合器压力阀,当电磁线圈的绕组被电子控制系统通电和断电时,选择性地将线路压力连接到所选择的离合器。 如果离合器压力在一定限度内,则电磁线圈进给阀和反馈阀用于将管路压力连接到多个离合器执行器阀的输入端口。 如果超过这些限制,则管路压力与致动器阀断开,并且自动地而不是电子控制被施加到产生预定齿轮比的离合器。 惯性控制阀用于调节对低速齿轮比操作时在较低水平加压的伺服器的压力,并在较高级别调节用于反向驱动操作的压力。 如果任何一个产生预定速比的离合器都被加压,则海岸控制阀通向伺服。 管路压力调节器和增压阀与其状态由螺线管确定的开关阀组合起作用。 最小管路压力由最小值确定,由最小值确定,当电磁阀向通气口打开管路压力时,通过两个尺寸预定的孔口的压降确定。 当线路压力调节器电磁阀将升压线关闭到通气口时,最大线路压力由在升压阀上产生的压力决定。