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    • 64. 发明授权
    • Fail-safe hydraulic control valves in an automatic transmission
    • 自动变速器中的故障安全液压控制阀
    • US4995285A
    • 1991-02-26
    • US293253
    • 1989-01-04
    • Youichi HayakawaYoshinari KuwayamaYoshihiro Yamada
    • Youichi HayakawaYoshinari KuwayamaYoshihiro Yamada
    • F16H3/66F16H61/00F16H61/28F16H61/686
    • F16H61/12F16H2061/1232F16H2061/1268F16H2200/0043F16H2306/00F16H37/042F16H61/686Y10S477/906Y10T477/6934
    • The first and second emergency control valves are a back up device in case all solenoid valves are in failure (non electrified). When the first and second solenoid valves are all off due to wire disconnection and the like in case the manual valve is at the 3 range, a 1-2 shift valve is constrained by the first emergency control valve, so that the hydraulic control device becomes the third speed mode. In case t#e manual shift lever is at the 2 range and a 2-3 shift valve, the 2-3 shift valve are constrained by the first and the second emergency control valves, so that the hydraulic control device becomes the second speed mode. In case the manual shift lever is at the 1 range, the first emergency control valve is constrained, and the 2-3 shift valve is constrained by the second emergency control valve, so that the hydraulic control device becomes the first speed mode. When the manual valve is at the D range, the fourth speed mode is attained in case the first and second solenoid valves are all off.
    • 第一和第二应急控制阀是备用装置,以防所有电磁阀故障(非电气化)。 当第一和第二电磁阀在手动阀处于3档的情况下由于断线等而全部关闭时,1-2变速阀由第一应急控制阀约束,使得液压控制装置变为 第三速模式。 如果t-e手动变速杆处于2档位置和2-3档换档阀,则2-3换档阀由第一和第二应急控制阀约束,使得液压控制装置成为第二速度模式。 在手动变速杆处于1档的情况下,第一紧急控制阀被限制,并且2-3换档阀被第二应急控制阀约束,使得液压控制装置成为第一速度模式。 当手动阀处于D档时,在第一和第二电磁阀全部关闭的情况下,达到第四速度模式。
    • 67. 发明授权
    • Electric-hydraulic control
    • 电动液压控制
    • US4896568A
    • 1990-01-30
    • US272835
    • 1988-10-26
    • Georg Gierer
    • Georg Gierer
    • F16H63/02F16H61/12F16H63/12
    • F16H61/12F16H2059/006F16H2061/1232F16H2061/1236F16H2061/1268F16H2061/1292F16H61/686Y10S477/906Y10T477/69365
    • Electro-hydraulic control for an automatic transmission (1) is disclosed with two primary shafts (11, 12), whereby the first shaft (11) is connected with a turbine (21) of a hydrodynamic unit (2) and the second shaft (12) is directly connected to the driving shaft (31) of a driving motor (3) and the driving output is directed depending on speed, individually or by power split, to the for instance stepped-down planetary gear with a selecting slide (4) at least for the neutral position (N), as well as the forward drive- (D) and the reverse drive position (R) and an electronic control device (5) with solenoid valves (6), kept in zero position by spring force, for a pressure-medium source (7), pressure- and switch valves and dampers for the actuation of gear shift couplings and brakes (A-E), whereby between a solenoid valve (6) and the gear shift couplings for the highest speed (E) as well as the reverse drive (B) an emergency valve (8/9) is interposed. This way, in case of current failure an uninterrupted drive over the coupling (E) via mechanical transmission is possible and a forward- and reverse drive and a start is possible in both these directions over the reverse speed coupling (B).
    • PCT No.PCT / EP87 / 00219 Sec。 371日期:1988年10月26日 102(e)日期1988年10月26日PCT提交1987年4月23日PCT公布。 出版物WO87 / 06669 公开了一种用于自动变速器(1)的电液控制,其具有两个主轴(11,12),由此第一轴(11)与流体动力单元的涡轮机(21)连接 2),第二轴(12)直接连接到驱动马达(3)的驱动轴(31),并且驱动输出单独地或通过动力分配被定向到例如降速行星 至少具有中立位置(N)的选择滑块(4)以及前进驱动(D)和反向驱动位置(R)的齿轮和具有电磁阀(6)的电子控制装置(5) 通过弹簧力保持在零位置,用于压力介质源(7),用于致动换档联轴器和制动器(AE)的压力和开关阀和阻尼器,由此在电磁阀(6)和齿轮 用于最高速度(E)和倒档驱动(B)的换档联轴器插入紧急阀(8/9)。 这样,在当前故障的情况下,通过机械传动可以在联轴器(E)上方进行不间断的驱动,并且通过反向速度联轴器(B)可以在这两个方向上进行正向和反向驱动和起动。
    • 70. 发明授权
    • Electronic control system for a motive unit
    • 动力单元电子控制系统
    • US4653003A
    • 1987-03-24
    • US600039
    • 1984-04-13
    • Gerhard Kirstein
    • Gerhard Kirstein
    • F16H61/12G01D21/00G01R31/00G05B23/02G06F11/26G06F11/00
    • G06F11/26F16H61/12G01D21/00G01R31/007F16H2061/1208F16H2061/1232F16H2061/1268F16H2061/1284F16H2300/14
    • Components of a motive unit to be checked are connected to a control system that includes a microcomputer through branch lines. One branch line serves to provide trigger signals and test the components in the normal operating state when the parts are rotating (i.e. in the dynamic state). The other branch serves to monitor the same components for malfunctions in the stopped condition when the parts are not moving (i.e. in the static state). The other branch contains a switching network, a current/voltage source controlled by the microcomputer, and an analog-to-digital converter. There is further provided a priority control circuit over which program interrupt requests or requests for changing to an emergency program are transmitted. In the event a malfunction causes an interrupt request to be generated, the interrupt request from the priority control circuit is transmitted immediately or with a delay depending upon the priority assigned to the particular event malfunction.
    • 要检查的动力单元的部件通过分支线路连接到包括微型计算机的控制系统。 一个分支线用于在零件正在旋转(即处于动态状态)时提供触发信号并在正常操作状态下测试部件。 另一个分支用于在零件不移动(即处于静止状态)时在停止状态下监视相同的部件以进行故障。 另一个分支包含开关网络,由微型计算机控制的电流/电压源以及模数转换器。 还提供了一种优先级控制电路,通过该优先级控制电路发送改变为紧急程序的程序中断请求或请求。 在发生故障导致产生中断请求的情况下,根据分配给特定事件故障的优先级立即或延迟地发送来自优先控制电路的中断请求。