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    • 1. 发明公开
    • 벨트식 무단 변속기의 유압 제어 장치
    • 用于带式连续可变传动的液压控制装置
    • KR1020080036921A
    • 2008-04-29
    • KR1020070101766
    • 2007-10-10
    • 쟈트코 가부시키가이샤
    • 와까야마히데시모리따요시오
    • F16H61/04F16H61/00
    • F16H61/66272F16H2061/0488F16H2312/02Y10T477/624
    • A hydraulic control device for a belt type continuously variable transmission is provided to minimize oil pressure amounts by adjusting a signal pressure to maximize supplement pressure toward a secondary pulley. A hydraulic control device for a belt type continuously variable transmission includes a line pressure controlling unit(40), a secondary pressure controlling unit(54), and a signal pressure controlling unit(52). The line pressure controlling unit controls oil pressure from a pump as line pressure. The secondary pressure controlling unit controls the line pressure as supplement pressure to a secondary pulley according to a signal pressure. The signal pressure controlling unit controls the signal pressure by draining a part of oil pressure based on the line pressure according to solenoid valving degree so as to maximize the supplement pressure to the secondary pulley during a non-coupling time of a clutch.
    • 提供了一种用于带式无级变速器的液压控制装置,用于通过调节信号压力来最小化油压量,以使次级滑轮的补充压力最大化。 一种用于带式无级变速器的液压控制装置,包括管路压力控制单元(40),二次压力控制单元(54)和信号压力控制单元(52)。 管路压力控制单元将来自泵的油压作为管路压力进行控制。 次级压力控制单元根据信号压力将管路压力控制为次级带轮的补充压力。 信号压力控制单元通过根据线圈压力排出一部分油压来控制信号压力,以便在离合器的非耦合时间期间最大化辅助带轮的补充压力。
    • 5. 发明公开
    • 유압 제어 장치
    • 液压控制装置
    • KR1020120044899A
    • 2012-05-08
    • KR1020110110281
    • 2011-10-27
    • 쟈트코 가부시키가이샤
    • 모리따요시오나가세다까유끼마쯔이다까아끼
    • F15B13/044F15B21/08F16H61/04
    • F15B21/087F15B19/002F16D48/066F16D2048/0269F16D2500/30803F16D2500/70217F16D2500/70223F16D2500/70406F16D2500/70605F16H61/0251
    • PURPOSE: A hydraulic control apparatus is provided to obtain calculation precision having high hysteresis hydraulic correction rate by preventing deviations of the hysteresis hydraulic correction rate from being accumulated depending on increase of return numbers while a minor loop is continuing. CONSTITUTION: A hydraulic control apparatus comprises an electromagnetic valve(2), a hysteresis hydraulic correction rate calculation unit, and an indication current control unit. The hysteresis hydraulic correction rate calculation unit has full hysteresis characteristics, indicating hysteresis for variable hydraulic characteristics, as a reference map. The variable hydraulic characteristics are comprised of an increased characteristic, in which indication current is changed from the minimum value to the maximum value, and a decreased characteristic, in which the indication current is changed from the maximum value to the minimum value. When a minor loop returning indication current on a position within ranges of the variable hysteresis characteristics is continued, reduction maps reducing the reference map depending on the return position is made up at each minor loop from the past to the current point. The hysteresis hydraulic correction rate is calculated by the sum of each hysteresis correction rate, getting from multiple reduction maps, at the same indication current position.
    • 目的:提供一种液压控制装置,通过防止滞后液压校正率的偏差根据返回数字的增加而滞后液压校正率的偏差来获得计算精度,同时在小循环继续进行。 构成:液压控制装置包括电磁阀(2),滞后液压校正率计算单元和指示电流控制单元。 滞后液压修正率计算单元具​​有完整的滞后特性,表示可变液压特性的滞后,作为参考图。 可变液压特性包括指示电流从最小值变为最大值的增加的特性,以及指示电流从最大值变为最小值的降低的特性。 当继续在可变滞后特性的范围内的位置上返回指示电流的次级回路时,根据返回位置减少参考图的减小映射在从过去到当前点的每个次循环处被构成。 滞后液压校正率由相同指示当前位置处的每个滞后校正率,从多个还原图获得的总和计算。