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    • 54. 发明申请
    • DEVICE FOR CONTROLLING AN AUTOMATIC GEARBOX
    • 一种用于控制自动
    • WO00028242A1
    • 2000-05-18
    • PCT/EP1999/008423
    • 1999-11-03
    • F16H59/14F16H61/00F16H61/12F16H61/662F16H61/38
    • F16H61/0021F16H59/14F16H61/12F16H61/66259F16H2061/122F16H2061/1268
    • Disclosed is a device for controlling a CVT-gearbox which is linked to a pendulous drive, especially a combustion engine for a motor vehicle having a front-transverse-drive. The device is provided with a hydromotor (51) which is used as a sensor and an actuator at the same time. The output signal of the hydromotor is a function of the size and the dynamic of the driving torques. Said device also comprises an electrohydraulic control device which controls the actuating areas of the primary and secondary discs (51, 52) of the CVT by means of electromagnetic actuating elements and hydraulic valves (27, 28). In addition to pressure balance valves (27, 28), pressure reduction valves (24, 25) and at least one emergency valve (30, 31), the device comprises a coupling of the hydromotor (51) to the second pressure reduction valve (25) via a line (50). Said coupling is used for the driving torque-modulated control of the second pressure reduction valve in an emergency operating mode.
    • 用于控制无级变速器,其被连接至下垂驱动器,特别是对于具有前横向驱动的机动车辆的燃烧发动机,该装置包括在同一时间作为传感器和致动器,其输出信号的液压马达(51)是的函数 是,马达的尺寸和动态转矩的电动液压控制单元,通过电磁致动器和液压阀(27,28)控制,无级变速器的初级和次级盘(51,52)的致动空间。 除了压力控制阀(27,28),减压阀(24,25)和至少一个应急阀(30,31),该装置包括经由管线(50)到发动机扭矩调制到第二减压阀(25)的液压马达(51)的耦接 控制在紧急操作。
    • 56. 发明申请
    • ELECTRO-PNEUMATIC GEAR CHANGING SYSTEM
    • 电动气动变速系统
    • WO1990014534A1
    • 1990-11-29
    • PCT/EP1990000766
    • 1990-05-12
    • ZAHNRADFABRIK FRIEDRICHSHAFEN AGHAMMA, Karlmann
    • ZAHNRADFABRIK FRIEDRICHSHAFEN AG
    • F16H61/12
    • F16H61/2807F16H61/0248F16H61/12F16H61/682F16H2061/122F16H2061/1264F16H2061/1268
    • An electro-pneumatic changing system for a gearbox (1) in which the gears which are controlled by magnetic valves (41 to 48) are changed pneumatically via servo cylinders (21 to 25), whereby, in normal operation, the magnetic valves (41 to 48) or the central valve block (4) in which the magnetic valves are contained are powered via a compressed air line. During emergency operation, the compressed air is supplied directly via a separate pilot valve (9) to a selection of servo cylinders (21 to 24). There is a second compressed air source (7) linked to a multi-position pilot valve (9) acting as an emergency changing valve. The servo cylinders (21 to 24) for the neutral position and the gears in the emergency change system (R, I, II) may be connected to the second compressed air source (7) via changeover valves (53) and the multi-position pilot valve (9). The compressed air supply may be safeguarded via safety pilot valves (55, 56) mechanically connected to the starting and changing coupling or to the handbrake lever.
    • 一种用于齿轮箱(1)的电动气动变换系统,其中由电磁阀(41至48)控制的齿轮通过伺服缸(21至25)气动地改变,从而在正常操作中,电磁阀(41 至48)或其中容纳有电磁阀的中心阀块(4)经由压缩空气管线供电。 在紧急操作期间,压缩空气通过独立的先导阀(9)直接供应到选择的伺服缸(21至24)。 第二压缩空气源(7)连接到用作紧急换向阀的多位先导阀(9)。 用于中立位置的伺服缸(21〜24)和紧急变更系统(R,I,II)中的齿轮可以经由切换阀53和多位置连接到第二压缩空气源7 先导阀(9)。 压缩空气供应可以通过机械连接到起动和改变联轴器或手制动杆的安全导向阀(55,56)来保护。