中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

140 records (took 0.027 seconds)

    Hydraulic control system for automotive automatic transmission
    52.
    发明授权
    Hydraulic control system for automotive automatic transmission 失效
    汽车自动变速器液压控制系统

    公开(公告)号：US06537180B2

    公开(公告)日：2003-03-25

    申请号：US09750159

    申请日：2000-12-29

    Applicant: Tae-Kyun Kim ,  Jae-Duk Jang ,  Jong-Sool Park ,  Hyun-Soo Shim ,  Jin-Hee Lee ,  Chang-Wook Lee

    Inventor： Tae-Kyun Kim ,  Jae-Duk Jang ,  Jong-Sool Park ,  Hyun-Soo Shim ,  Jin-Hee Lee ,  Chang-Wook Lee

    IPC: F16H6126

    CPC classification number: F16H61/12 ,  F16H61/0206 ,  F16H61/686 ,  F16H2061/1204 ,  F16H2306/00 ,  Y10T477/69363 ,  Y10T477/69395

    Abstract: A hydraulic control system for an automotive automatic transmissions includes a pressure regulator for regulating hydraulic pressure, a pressure reducer having a reducing valve for reducing hydraulic pressure, a shift controller having a manual valve cooperating with a shift selector lever and connected to a plurality of range pressure lines, a pressure controller comprising first, second and third solenoid valves for controlling control pressure reduced by the reducing valve, and first, second and third pressure control valves for controlling hydraulic pressure supplied from the manual valve, the first, second and third pressure control valves being independently controlled by control pressure supplied from the first, second and third solenoid valves, respectively, a switching controller comprising a first switch valve for supplying hydraulic pressure from the first pressure control valve to one of first and second switching lines and a second switch valve for supplying hydraulic pressure from the third pressure control valve and the manual valve to first and second friction elements, a fail-safer comprising a first fail-safe valve for supplying hydraulic pressure from the first switch valve and the manual valve to a friction element operated in low L and reverse R ranges, and a second fail-safe valve for supplying hydraulic pressure from the second pressure control valve to a friction element operated in second and fourth speeds, and an N-R controller comprising an N-R control valve for supplying reverse pressure to a friction element operated in only a reverse R range.

    Abstract translation: 一种用于汽车自动变速器的液压控制系统包括用于调节液压的压力调节器，具有减小液压的减压阀的减压器，具有与换档杆配合并连接到多个范围的手动阀的变速控制器 压力线，包括用于控制由减压阀减小的控制压力的第一，第二和第三电磁阀的压力控制器，以及用于控制从手动阀提供的液压的第一，第二和第三压力控制阀，第一，第二和第三压力 控制阀分别由从第一，第二和第三电磁阀提供的控制压力独立地控制;开关控制器，包括用于将第一压力控制阀的液压供应到第一和第二开关管之一的第一开关阀， 液压压力开关阀 确保从第三压力控制阀和手动阀到第一和第二摩擦元件，一种故障保护器，包括用于将第一开关阀和手动阀的液压供给到以低L运行的摩擦元件的第一故障安全阀 以及第二故障安全阀，用于将第二压力控制阀的液压供给到以第二和第四速度操作的摩擦元件，以及NR控制器，其包括用于向摩擦元件提供反向压力的NR控制阀 仅在反向R范围内操作。

    Line pressure control system of automatic transmission
    53.
    发明授权
    Line pressure control system of automatic transmission 有权
    自动变速器线路压力控制系统

    公开(公告)号：US06485388B2

    公开(公告)日：2002-11-26

    申请号：US09750114

    申请日：2000-12-29

    Applicant: Tae-Kyun Kim ,  Jae-Duk Jang ,  Jong-Sool Park ,  Hyun-Soo Shim ,  Jin-Hee Lee ,  Chang-Wook Lee

    Inventor： Tae-Kyun Kim ,  Jae-Duk Jang ,  Jong-Sool Park ,  Hyun-Soo Shim ,  Jin-Hee Lee ,  Chang-Wook Lee

    IPC: F16H3100

    CPC classification number: F16H61/0021 ,  F16H61/14 ,  F16H2061/0253 ,  Y10T137/4245

    Abstract: A line pressure control system of an automatic transmission includes a hydraulic pump for generating hydraulic pressure, a regulator valve for adjusting the pressure from the hydraulic pump to a predetermined level, a torque converter control valve for adjusting a partial pressure from the regulator valve, a damper clutch valve receiving the adjusted pressure from the torque converter control valve for feeding the pressure to a damper clutch, a damper clutch solenoid valve for controlling the damper clutch valve, a reducing valve for reducing a partial pressure from the regulator valve and then supplying the reduced pressure to the damper clutch control valve, wherein the regulator valve includes a valve body, first and second valve spools coaxially inserted into the valve body, a sleeve encapsulating the second valve spool, and a coil spring interposed between the first and the second valve spools.

    Abstract translation: 自动变速器的线路压力控制系统包括用于产生液压的液压泵，用于将从液压泵的压力调节到预定水平的调节阀，用于调节来自调节阀的分压的变矩器控制阀， 接收来自变矩器控制阀的调节压力的减震离合器阀，用于将压力供给到阻尼离合器，用于控制阻尼离合器阀的阻尼离合器电磁阀，用于减小来自调节阀的分压然后供给 降低到所述阻尼离合器控制阀的压力，其中所述调节阀包括阀体，同轴地插入到所述阀体中的第一和第二阀芯，封装所述第二阀芯的套筒以及插在所述第一和第二阀之间的螺旋弹簧 线轴。

Patent Agency Ranking