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    • 4. 发明专利
    • Accumulator of frictionally engaging device
    • 摩擦接合装置的累加器
    • JPS6145119A
    • 1986-03-05
    • JP16736884
    • 1984-08-09
    • Aisin Warner LtdToyota Motor Corp
    • KATO EIJISUMIYA KOJIENDO MOTOKI
    • F16H47/06F16D25/12F16D48/02F16D48/04F16H47/08F16H61/06F16H61/08F16H61/10
    • F16D25/14F16D48/04F16D2048/0203
    • PURPOSE:To decrease the shock of a change of speed, by setting the stroke starting pressure of an accumulator piston to be lower than the energizing ending pressure of a return energizing means of a piston for frictional engaging. CONSTITUTION:The stroke starting pressure P2 of an accumulator piston 596 of an accumulator 590 is set lower than the energizing ending pressure P1 of a return spring of a brake. In this way, after a given period of time, the stroke of the accumulator piston 596 of the accumulator 590 is already started toward a waste oil rool 595, the working oil is fed in an accumulator room 594, fed in a hydraulic servo B-2 gradually through accumulation and retardation by the operation of the accumulator 590, and the engaging of the brake is performed smoothly. After that, the accumulation of the working oil into the accumulator room 594 is finished, and then, the pressure of the accumulator piston 596 rises up suddenly to the line pressure Pr.
    • 目的:通过将蓄能器活塞的行程起动压力设定为低于用于摩擦接合的活塞的返回通电装置的通电结束压力来减小速度变化的冲击。 构成:将蓄能器590的蓄能器活塞596的冲程开始压力P2设定为低于制动器的复位弹簧的通电结束压力P1。 以这种方式,在给定的时间段之后,积存器590的蓄压器活塞596的冲程已经朝向废油流595开始,工作油被供给到供给液压伺服机构B- 2通过蓄能器590的操作而累积和延迟逐渐地进行,并且制动器的接合顺利进行。 之后,工作油积蓄到累积室594中,然后蓄能器活塞596的压力突然上升到管路压力Pr。