Transmission control system including vehicle speed responsive orifice valve which modifies friction element engagement rate
    33.
    发明公开
    Transmission control system including vehicle speed responsive orifice valve which modifies friction element engagement rate 失效
    Getriebesteuerung mitgeschwindigkeitsabhängigemDrosselventil zur Modifizierung des Schlupfes。

    公开(公告)号:EP0149013A2

    公开(公告)日:1985-07-24

    申请号:EP84111976.1

    申请日:1984-10-05

    发明人: Sugano, Kazuhiko

    IPC分类号: F16H5/64

    CPC分类号: F16H61/068 F16H61/067

    摘要: In order to modify the rate at which a friction element is engaged to effect a gear shift in a multi-forward speed automatic automotive transmission with respect to vehicle speed, an orifice valve is arranged to be responsive to a vehicle speed signal (e.g. governor pressure) in a manner to establish a second fluid path between (a) the friction element (e.g. clutch) and an accumulator associated therewith and (b) the valve (e.g. 3-4 shift valve) which supplys the actuating pressurized hydraulic fluid and therefore reduce the flow restriction between the shift valve and the friction element when the vehicle is speed is above a predetermined value.

    摘要翻译: 为了改变摩擦元件接合的速率以实现相对于车辆速度的多速前进速度自动变速器中的换挡,孔口阀被布置成响应于车速信号(例如调速器压力 ),以便在(a)摩擦元件(例如离合器)和与其相关联的蓄能器之间建立第二流体路径,以及(b)阀(例如3-4换档阀),其供应致动加压液压流体并因此减小 当车辆速度超过预定值时,换档阀和摩擦元件之间的流动限制。

    Hydraulic control system for lock-up clutch
    34.
    发明公开
    Hydraulic control system for lock-up clutch 失效
    Hydraulisches SteuersystemfüreineÜberbrückungskupplung。

    公开(公告)号:EP0136370A1

    公开(公告)日:1985-04-10

    申请号:EP83109912.2

    申请日:1983-10-04

    发明人: Sugano, Kazuhiko

    IPC分类号: F16H45/02

    CPC分类号: F16H61/143

    摘要: A hydraulic control system for a lock-up clutch (L) includes a vehicle speed cut valve (18) having a spool (22) movable responsive to a governor fluid pressure (24) between a lock-up position and a non lock-up position. A solenoid valve (44) is provided which is energized such as during coasting of the vehicle or during kickdown operation. When energized, the solenoid valve (44) applies a line fluid pressure (42) to the spool (22) against the governor fluid pressure (24) to forcibly move it to the non lock-up position so as to release the lock-up clutch (L).

    摘要翻译: 用于锁止离合器(L)的液压控制系统包括车辆截止阀(18),其具有可响应于锁定位置和非锁止位置之间的调速器流体压力(24)移动的阀芯(22) 位置。 提供电磁阀(44),其在车辆滑行期间或在降档操作期间被通电。 当通电时,电磁阀(44)抵抗调速器流体压力(24)将线路流体压力(42)施加到线轴(22),以将其强制地移动到非锁定位置,以释放锁定 离合器(L)。

    Shift valve for automatic transmission
    35.
    发明公开
    Shift valve for automatic transmission 失效
    换档阀用于自动变速器

    公开(公告)号:EP0133186A1

    公开(公告)日:1985-02-20

    申请号:EP83107509.8

    申请日:1983-07-29

    发明人: Sugano, Kazuhiko

    IPC分类号: F16H5/64

    CPC分类号: F16H61/0267

    摘要: A shift valve (24) comprises a spool (224) having a downshift position for establishing a lower speed ratio and an upshift position for establishing a higher speed ratio, a plug (225), and a spring between the spool and plug. The spool has a pressure acting area (224d) which governor pressure acts on, while the plug has a pressure acting area (124a) which throttle pressure acts on. At low throttle pressures, the spool moves from the downshift position to the upshift position when a predetermined vehicle speed is attained. At higher throttle pressures, the spool moves between the downshift and upshift position depending upon the governor pressure. The shift valve has a port (124b) formed therein which admits a downshift position hold signal fluid pressure (i.e., line pressure) between the spool and plug so as to hold the spool to the downshift position thereof.

    摘要翻译: 换档阀(24)包括具有用于建立较低速比的降档位置和用于建立较高速比的升档位置的阀芯(224),阀芯(225)以及阀芯和阀芯之间的弹簧。 阀芯具有作用于调节器压力的压力作用区域(224d),而阀芯具有作用于其上的压力作用区域(124a)。 在低节气门压力下,当达到预定车速时,阀芯从降档位置移动到升档位置。 在较高的节气门压力下,根据调速器压力,阀芯在降档和升档位置之间移动。 换档阀具有形成于其中的端口(124b),其允许阀芯和阀芯之间的降档位置保持信号流体压力(即管线压力),以将阀芯保持在其降档位置。

    Accumulator/friction element arrangement for automatic transmission
    38.
    发明公开
    Accumulator/friction element arrangement for automatic transmission 失效
    用于自动变速器的累加器/摩擦元件装置

    公开(公告)号:EP0314191A3

    公开(公告)日:1990-07-04

    申请号:EP88118151.5

    申请日:1988-10-31

    发明人: Sugano, Kazuhiko

    IPC分类号: F16H61/06

    摘要: The stroking order of the band brake servo piston (130) and the accumulator piston (114) are reversed under high and low transmission loads, therefore reversing the pressure modifying effects provided by the same. This is achieved by selecting the various areas and springs which determined the resistance against which the piston must stroke under high and low load conditions (wherein the level of the line pressure changes), and the forces which drive the pistons against the resistances.

    Accumulator arrangement for automatic transmission control circuit
    39.
    发明公开
    Accumulator arrangement for automatic transmission control circuit 失效
    自动变速器控制电路的累加器装置

    公开(公告)号:EP0314193A3

    公开(公告)日:1990-06-27

    申请号:EP88118153.1

    申请日:1988-10-31

    发明人: Sugano, Kazuhiko

    IPC分类号: F16H61/06

    摘要: A one-way valve is arranged with an accumulator in a manner wherein the discharging of the accumulator is restricted. During upshifting, the stroking of a band brake servo in a release direction is induced before the charging stroke of the accumulator and the appropriate timing of the engagement of a high clutch (H/C) and the disengagement of a band brake (B/B) is induced. During downshifting, the pressure which is prevailing in the conduiting interconnecting the two friction elements is allowed to drop rapidly during the initial stage of the shift due to the provision of the one-way orifice (110) and allows the torque transmission capacity of the clutch to quickly reduce while inducing the stroking of the band brake servo in an engaging direction before the discharge stroke of the accumulator.