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    • 1. 发明申请
    • A HYDRAULIC CONTROL SYSTEM FOR AUTOMATIC TRANSMISSION
    • 一种用于自动变速器的液压控制系统
    • WO1995018025A1
    • 1995-07-06
    • PCT/KR1993000119
    • 1993-12-29
    • HYUNDAI MOTOR COMPANYJANG, Jae, DukPARK, Dong, HoonLIM, Ki, Been
    • HYUNDAI MOTOR COMPANY
    • B60K41/10
    • F16H61/143F16H61/0021F16H61/0206
    • The present invention relates to a hydraulic control system for an automatic transmission, including: an oil pump; a plurality of shift valves for controlling a friction means in accordance with a vehicle's speed and transmitting a torque of a torque converter to a gear of a multi-stage transmission gear mechanism; a manual valve for selectively supplying the hydraulic pressure generated from the oil pump to each shift valve by changing ports thereof; a reducing valve for regulating the hydraulic pressure to be lower than a line pressure; a pressure regulating valve for receiving a control pressure and changing the line pressure; a rear clutch exhaust valve for directly supplying the hydraulic pressure supplied from the manual valve to a rear clutch in a first forward speed ratio of a drive "D" range; two shift control solenoid valves for supplying the hydraulic pressure supplied from the manual valve to a second, a third and fourth speed lines in a second, a third, and a fourth forward speed ratios, respectively; a shift control valve for selectively opening the second, third, and fourth speed lines by moving a valve spool thereof; and a damper clutch control valve for supplying the hydraulic pressure to a damper clutch engaging line or releasing line by moving a valve spool thereof which is moved in accordance with exhausting or cutting off the hydraulic pressure of the reducing valve.
    • 本发明涉及一种用于自动变速器的液压控制系统,包括:油泵; 多个换档阀,用于根据车辆的速度控制摩擦装置,并将变矩器的扭矩传递到多级传动齿轮机构的齿轮; 手动阀,用于通过改变其端口来选择性地将从油泵产生的液压压力提供给每个换档阀; 用于将液压调节到低于管路压力的减压阀; 用于接收控制压力并改变管路压力的压力调节阀; 后离合器排气阀,用于以驱动“D”范围的第一前进速比直接供给从手动阀提供的液压到后离合器; 两个换档控制电磁阀,用于将从手动阀供应的液压分别提供到第二速度,第三速度和第四速度线; 换档控制阀,用于通过移动其阀芯来选择性地打开第二速度,第三速度和第四速度线; 以及阻尼离合器控制阀,用于通过使其阀芯移动而根据排气或切断减压阀的液压而移动的阻尼器离合器接合线或释放管线来提供液压。
    • 3. 发明申请
    • A SHIFT CONTROL DEVICE OF A HYDRAULIC CONTROL SYSTEM FOR AUTOMATIC TRANSMISSION
    • 用于自动变速器的液压控制系统的换档控制装置
    • WO1994015809A1
    • 1994-07-21
    • PCT/KR1993000121
    • 1993-12-29
    • HYUNDAI MOTOR COMPANYJANG, Jae, DukLIM, Ki, Been
    • HYUNDAI MOTOR COMPANY
    • B60K41/10
    • F16H61/16B60W30/18036F16H61/0206F16H61/065F16H2061/026Y10T477/6935Y10T477/6936Y10T477/69363Y10T477/693635
    • The present invention discloses a hydraulic pressure control system for an automatic transmission. The system comprises: an oil pump for generating a hydraulic pressure; a plurality of friction members controlled by the hydraulic pressure proportional to forward and reverse speed ratios; a plurality of shift valves for transmitting a torque of a torque converter to gear elements of each speed ratio; a torque control regulating valve for controlling and variably generating the hydraulic pressure from the oil pump in accordance with a variation of the torque; a control switch valve for selectively supplying the hydraulic pressure generated by the torque control regulating valve to first or second speed shift lines to firstly engage the friction members and for enabling the hydraulic pressure to work as a shift valve control pressure or a friction member engaging pressure; first-second, second-third, third-fourth, and fourth-fifth speed shift valves each of which ports are changed for engaging the friction members with a control pressure supplied from the control switch valve and thereafter for engaging the friction members with a drive pressure; second clutch, third clutch, fourth band, and over drive unit valves for supplying the torque pressure and the drive pressure supplied from the shift valves to the friction members; and a reverse clutch inhibitor valve for interrupting the hydraulic pressure which is supplied to a low/reverse clutch so that, when a shift lever is shifted to a reverse "R" range, a reverse shift control does not realize.
    • 本发明公开了一种用于自动变速器的液压控制系统。 该系统包括:用于产生液压的油泵; 由与正向和反向速比成比例的液压控制的多个摩擦件; 多个换档阀,用于将变矩器的转矩传递给各速比的齿轮元件; 扭矩控制调节阀,用于根据扭矩的变化来控制和可变地产生来自油泵的液压; 控制切换阀,用于选择性地将由转矩控制调节阀产生的液压压力供应到第一或第二变速线,以首先接合摩擦构件,并使液压能够作为换档阀控制压力或摩擦构件接合压力 ; 第一,第二,第三,第四,第四,第五,第五,第五,第五,第五,第五,第五, 压力; 第二离合器,第三离合器,第四带和上驱动单元阀,用于将转换压力和从换档阀提供的驱动压力提供给摩擦构件; 以及用于中断提供给低/倒档离合器的液压的倒档离合器抑制阀,使得当换挡杆移动到反向“R”范围时,没有实现反向换档控制。