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    • 9. 发明授权
    • Lockup controlling system for variable speed, automatic transmission
    • 锁定控制系统,用于变速,自动变速器
    • US4393467A
    • 1983-07-12
    • US181537
    • 1980-08-26
    • Nobuaki MikiMutsumi KawamotoKazuhiko ShibataTsuyoshi YoshidaHiroyuki Amano
    • Nobuaki MikiMutsumi KawamotoKazuhiko ShibataTsuyoshi YoshidaHiroyuki Amano
    • F16H59/66F16H61/00F16H61/02F16H61/14G06F15/20B60K41/08
    • F16H61/143F16H61/0213F16H2061/0096F16H59/66F16H61/686Y10S477/901Y10T477/63525
    • An electronic control system is provided which controls the locking and unlocking of a variable speed automatic transmission. A hydraulic control circuit comprising a plurality of hydraulic pressure controlling valves, a plurality of flow path switching means and a plurality of solenoid valves is provided to control the engagement of the clutches and brakes of the automatic transmission. The electronic control system detects a slope, modifies a portion of standard data in a manner corresponding to the detected slope to produce shift reference data which is then written into a read-write memory, compares the actual speed stage, throttle opening and vehicle speed against the shift reference data to determine the speed stage to which the transmission is to be shifted and controls the energization of the solenoid valves to change or shift the speed stage. Additionally, the electronic control system reads the minimum vehicle speed required to establish lockup and the maximum vehicle speed for unlocking which correspond to the actual speed stage and the throttle opening from lockup controlling reference data, compares them against the actual vehicle speed to determine the necessity of lockup or unlocking and controls the energization of the solenoid valves in accordance with the determination to establish a lockup or an unlocked condition.
    • 提供一种控制变速自动变速器的锁定和解锁的电子控制系统。 包括多个液压控制阀,多个流路切换装置和多个电磁阀的液压控制回路被设置以控制自动变速器的离合器和制动器的接合。 电子控制系统检测斜率,以与检测到的斜率相对应的方式修改标准数据的一部分,以产生移位参考数据,然后将其写入读写存储器,将实际速度级,节气门开度和车速与 换档参考数据,以确定变速器要移动的速度级,并控制电磁阀的通电以改变或转移速度级。 此外,电子控制系统从锁定控制参考数据读取建立锁定所需的最小车速和对应于实际速度级和节气门开度的解锁最大车速,将其与实际车速进行比较,以确定必要性 锁定或解锁,并根据建立锁定或解锁状态的确定来控制电磁阀的通电。