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    • 5. 发明申请
    • PRESSURE REGULATOR FOR HYDRAULIC SERVO IN AUTOMATIC TRANSMISSION
    • 液压伺服自动变速器压力调节器
    • WO1988000305A1
    • 1988-01-14
    • PCT/JP1987000455
    • 1987-06-30
    • AISIN-WARNER KABUSHIKI KAISHAKUWAYAMA, YoshinariYOKOYAMA, FumitomoMIURA, Masakatsu
    • AISIN-WARNER KABUSHIKI KAISHA
    • F16H05/64
    • F16H61/061F16H61/067Y10T477/69378Y10T477/69379
    • A pressure regulator provided in an oil passage, which extends from a shift valve to a hydraulic servo and an accumulator, in an automatic transmission mounted on an automobile, and designed so as to supply an engagement pressure to the hydraulic servo quickly and properly and prevent a drainage delay when the engagement pressure is discharged. A pressure regulating valve (5) has a feed port (5a) communicating with a shift valve (3), a pressure regulating port (5b) adapted to communicate with and shut off from the feed port (5a), a first feedback port (5d) supplying a feedback pressure to one side of a spool (5c), an urging means (6) and a second feedback port (5e) which apply a feedback pressure to the other side of the spool (5c), and a drain port (5f) capable of communicating with the pressure regulating port (5b). The pressure regulating port (5b) further communicates with a hydraulic servo (1) via a first oil passage (7), and with an accumulator chamber (2a) in an accumulator (2) via a second oil passage (9) branching from the first oil passage (7) and provided with an orifice (10). The pressure regulating port (5b) also communicates with the first feedback port (5d) via a third oil passage (11) branching from the first oil passage (7) and having an orifice (12), and with the second feedback port (5e) via an oil passage (13) branching from the second oil passage (9). A fourth oil passage (15) branching from the second oil passage (9) and communicating with the first oil passage is further provided, and a check valve (16) permitting the oil to flow into the first oil passage (7) is set in this fourth oil passage (15).
    • 一种压力调节器,其设置在安装在汽车上的自动变速器中的从换档阀向液压伺服机构和蓄能器延伸的油路中,并且设计成能够快速适当地向液压伺服机构供给接合压力, 当接合压力被排出时的排水延迟。 压力调节阀(5)具有与换档阀(3)连通的进料口(5a),适于与进料口(5a)连通和关闭的压力调节口(5b),第一反馈口 5d)向卷轴(5c)的一侧提供反馈压力,向卷轴(5c)的另一侧施加反馈压力的施力装置(6)和第二反馈端口(5e) (5f),能够与压力调节口(5b)连通。 压力调节口(5b)还经由第一油路(7)与液压伺服机构(1)连通,并且经由第二油路(9)经由第二油路(9)与蓄液器(2)中的蓄压室(2a)连通, 第一油通道(7)并设有孔口(10)。 压力调节口(5b)还经由第一油路(7)从第一油路(7)分支并具有孔(12)的第三油路(11)与第一反馈口(5d)连通,并且与第二反馈口 )经由从第二油路(9)分支的油路(13)。 还设置有从第二油路(9)分支并与第一油路连通的第四油路(15),并且将允许油流入第一油路(7)的止回阀(16)设定在 这个第四个油道(15)。
    • 6. 发明申请
    • ELECTROHYDRAULIC CONTROL FOR AN AUTOMATIC GEAR-BOX OF A MOTOR-CAR
    • 电动汽车自动齿轮箱的电液控制
    • WO1988002078A1
    • 1988-03-24
    • PCT/EP1987000505
    • 1987-09-07
    • ZAHNRADFABRIK FRIEDRICHSHAFEN AGGIERER, Georg
    • ZAHNRADFABRIK FRIEDRICHSHAFEN AG
    • F16H05/60
    • F16H61/065F16H61/067F16H61/08Y10T477/69378Y10T477/69379
    • An electrohydraulic control for an automatic gear-box (G 1) has at least two electrovalves (1a, 1b), which are linked via control lines (13, 14) with changing valves (2, 3) and the latter with coupling valves (4, 5) and shock absorbers (6, 7) by means of circuit pressure lines (260, 261, 262), in order to engage the couplings (C, C'). To engage a gear, two couplings are engaged and the coupling valves also have a connection for supplying a modulation pressure which is a function of the load. By means of a control pressure line (14), system pressure lines (330, 331, 332 and 530, 531) and a modulation pressure line (17) a gear changing (3) and coupling valve (5) with a shock absorber (6) are so linked that one of the couplings (C') is closed with a delay. This delay results in a softer gear change, in particular when changing with a zero load or in the lower load range.
    • 用于自动变速箱(G 1)的电动液压控制器具有至少两个电动阀(1a,1b),它们通过控制管路(13,14)与换向阀(2,3)连接,后者具有联接阀( 以及用于接合联接器(C,C')的电路压力线(260,261,262)的减震器(6,7)和减震器(6,7)。 为了接合齿轮,接合两个联轴器,并且联接阀还具有用于提供作为负载的函数的调制压力的连接。 通过控制压力管线(14),系统压力管线(330,331,332和530,531)和调制压力管线(17),具有减震器(3)的换档(3)和联接阀(5) 6)被连接成使得联接器(C')中的一个被延迟关闭。 这种延迟导致更柔软的变速,特别是在零负载或较低负载范围内变化时。
    • 7. 发明专利
    • Method for controlling speed change of automatic speed change gear
    • 控制自动变速齿轮速度变化的方法
    • JPS6199753A
    • 1986-05-17
    • JP21945584
    • 1984-10-19
    • Toyota Motor Corp
    • SHINDO YOSHIO
    • F16H61/08F16H59/68F16H61/06F16H61/10F16H63/44
    • F16H63/44F16H59/68F16H61/061F16H61/067F16H2059/6807F16H2061/0451Y10T477/693738Y10T477/693742Y10T477/693754Y10T477/69379
    • PURPOSE:To remove speed change shock and improve speed change sense by starting change of rotating number to high gear shift of a sub speed change gear and completing while a main speed change gear performs change in rotating number to low gear shift and by performing down shift entirely. CONSTITUTION:When speed change is judged, an electromagnetic solenoid valve S1 is turned OFF so as to changeover a first shift valve 200 controlling a main speed change gear after a predetermined time T1, and oil pressure of a brake B2 is dropped and low gear shift of the main speed change gear is started, and rotating number of each member of the main speed change gear begins to change. Then, an electromagnetic solenoid valve S3 is given speed change instruction of a brake B0 is supplied, and high gear shift of a sub speed change gear is started, and connection is completed while the main speed change gear is in inertia phase.
    • 目的:为了消除变速冲击,通过启动副变速齿轮的高档齿轮的转速改变而改变速度变化的感觉,并且在主变速齿轮执行转速到低档换档和执行向下换档时完成 完全。 构成:当判断为变速时,电磁式电磁阀S1被切断,从而在预定时间T1之后切换控制主变速档的第一换档阀200,制动器B2的油压下降,低档位 并且主变速齿轮的每个构件的旋转数开始变化。 然后,向电磁式电磁阀S3发送制动器B0的变速指令,开始副变速齿轮的高档位,并且在主变速齿轮处于惯性阶段时连接完成。