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    • 3. 发明公开
    • Hydraulic control system for automatic transmission
    • 自动变速器液压控制系统
    • EP0715103A2
    • 1996-06-05
    • EP95118955.4
    • 1995-12-01
    • AISIN AW CO., LTD.TOYOTA JIDOSHA KABUSHIKI KAISHA
    • Tsukamoto, KazumasaAndo, MasahikoFukatsu, AkiraMae, ToshiyukiSakai, MotoyukiHamajima, TetsuoKaigawa, MasatoFukumura, KagenoriOba, HidehiroHojo, YasuoTabata, AtsushiTakahashi, Nobuaki
    • F16H61/06
    • F16H61/061F16H61/0206F16H61/065F16H61/067F16H2061/0253F16H2061/0258Y10T477/693635Y10T477/6937Y10T477/69377
    • A hydraulic control system for an automatic transmission comprising: a frictional engagement element (B-3); a hydraulic servo (28) for controlling the application/release of the frictional engagement element (B-3); an oil passage (201) connected to the hydraulic servo (28) for feeding/releasing an oil pressure to the hydraulic servo (28); a pressure regulator valve (25) disposed in the oil passage; and signal pressure generating means (SLU;...) for applying a signal pressure to the pressure regulator valve (25). The oil passage (201) includes: a first oil passage (201d) for feeding the oil pressure to the pressure regulator valve (25); and a second oil passage (201e) for feeding the oil pressure from the pressure regulator valve (25) to the hydraulic servo (28). The pressure regulator valve (25) includes: a valve member (250); an input port (254) connected to the first oil passage (201d); an output port (255) connected to the second oil passage (201e); and a drain port (257) connected to a drain oil passage (EX). The valve member (250) has: a first pressure receiving area (A₁) to be fed with the feedback pressure of the second oil passage (201e) in a direction to provide the communication between the output port (255) and the drain port (257); a second pressure receiving area (A₂) to be fed with the signal pressure (P SLU ) in a direction to provide the communication the output port (255) and the drain port (257); and a third pressure receiving area (A₃) having an area different from that of the second pressure receiving area (A₂). The signal pressure generating means (SLU;...) feeds the signal pressure to the third pressure receiving area (A₃) at all times and the signal pressure (P SLU ) selectively to the second pressure receiving area (A₂).
    • 一种用于自动变速器的液压控制系统,包括:摩擦接合元件(B-3); 用于控制摩擦接合元件(B-3)的施加/释放的液压伺服机构(28); 与油压伺服器(28)连接,用于向油压伺服器(28)供给/释放油压的油路(201); 设置在油路中的压力调节阀(25) 和用于向压力调节阀(25)施加信号压力的信号压力产生装置(SLU; ...)。 油路201包括:用于将油压供给到压力调节阀25的第一油路201d; 和第二油路(201e),用于将来自压力调节阀(25)的油压供给到液压伺服系统(28)。 压力调节阀25包括:阀构件250; 与第一油路201d连接的输入口254; 与第二油路(201e)连接的输出口(255); 和与排油通路(EX)连接的排油口(257)。 阀件250具有:第一压力接收区域A 1,该第一压力接收区域A 1在第二油道201e的反馈压力的作用下沿输出口255与排放口之间的连通方向 257); 一个第二压力接收区域(A 2),该信号压力接受区域(A 2)在一个方向上被提供信号压力(PSLU)以提供输出端口(255)和排放端口(257)的连通; 和一个面积不同于第二压力接收区(A 2)的第三压力接收区(A 3)。 信号压力发生装置(SLU; ...)总是将信号压力输送到第三压力接收区域(A 3),信号压力(PSLU)选择性地输送到第二压力接收区域(A 2)。
    • 5. 发明公开
    • System for and method of controlling automatic transmission
    • 系统和Verfahren zur Regelung eines自动Getriebes。
    • EP0457585A2
    • 1991-11-21
    • EP91304400.4
    • 1991-05-16
    • TOYOTA JIDOSHA KABUSHIKI KAISHA
    • Tomomatsu, HideoAsada, ToshiyukiHojo, Yasuo
    • G05D13/62B60K41/06
    • F16H61/0213B60W2050/0057B60W2550/142F16H59/24F16H2059/082F16H2059/183F16H2059/366F16H2059/405F16H2059/663F16H2061/0081F16H2061/0096Y10T477/693625
    • A control system and method of an automatic transmission for determining and setting a gear stage on the basis of at least two of the parameters including a vehicle speed and a throttle opening. The control system comprises: a first detector (1) for detecting a first parameter; a second detector (2) for detecting a second parameter; a gear stage memory (3) for determining and storing speed stage areas for holding the gear stages individually in terms of the first and second parameter and any two speed stage areas in a partially overlaid manner; a shift decider (4) for determining a shift to be executed, on the basis of the first parameter outputted from the first detector (1), the second parameter outputted from the second detector (2), and the stored content of the gear stage memory (3); and a gear stage determiner (5) for determining a gear stage to be set, if there are a plurality of gear stages determined by the first parameter and second parameter detected, at any of the gear stages.
    • 一种用于基于包括车速和节气门开度的至少两个参数来确定和设定齿轮级的自动变速器的控制系统。 该控制系统包括:用于检测第一参数的第一检测器; 用于检测第二参数的第二检测器; 齿轮级存储器,用于根据第一和第二参数和任何两个速度段区域以部分重叠的方式确定和存储用于分别保持齿轮级的速度级区域; 基于从第一检测器输出的第一参数,从第二检测器输出的第二参数和齿轮级存储器的存储内容来确定要执行的换档的换档决定器; 以及齿轮级确定器,用于在任何档位上确定要设置的档位级,如果存在由所检测的第一参数和第二参数确定的多个档位。 还公开了一种用于基于包括车速和节气门开度的多个参数中的至少两个来确定和设定齿轮级的自动变速器的控制方法。 根据第一参数和第二参数确定用于保持多个齿轮级的多个速度段区域,并且以部分重叠的方式确定任何两个速度段区域。 基于从第一检测器输出的第一参数,从第二检测器输出的第二参数和预先存储的速度段来确定要执行的移位。 如果根据从第一检测器输出的第一参数确定的多个齿轮级和从第二检测器输出的第二参数,则根据第三参数确定任何齿轮级的齿轮级 。
    • 10. 发明公开
    • Automatic transmission for vehicles
    • 车辆自动变速器
    • EP1118798A2
    • 2001-07-25
    • EP01100074.2
    • 2001-01-10
    • AISIN AW CO., LTD.Toyota Jidosha Kabushiki Kaisha
    • Sugiura, NobutadaIshii, TakuyaToudo, MinoruOzaki, KazuhisaHayakawa, YouichiIto, HiroshiKanada, ToshikiHojo, YasuoKashihara, Yuji
    • F16H3/66
    • F16H3/666F16H3/663F16H2200/0047F16H2200/0052F16H2200/2007F16H2200/201F16H2200/2023
    • A compact automatic transmission (1) for a vehicle capable of preventing relative rotation between shift elements from increasing. A planetary gear unit (5) is provided with a sun gear (S1) to which rotation of an input shaft (2) is input, a carrier (CR1) that can be stopped from rotating, and a ring gear (R1) for outputting, to a planetary gear set (6), reduced rotation that is reduced relative to that of the input shaft (2). A clutch (C-3) is connected/disconnected, the input shaft (2) and the sun gear (S1) are appropriately connected/disconnected, and the carrier (CR1) is appropriately stopped/unstopped by a brake (B-1) and a one-way clutch (F-1). This prevents relative rotation of the gear unit (5) that deals with no shifting operation between shift elements from excessively increasing. When the clutch (C-3) is disposed between the input shaft (2) and the sun gear (S1), the capacity of the clutch (C-3) can be reduced compared with the case where it is disposed between the gear unit (5) and the gear set (6). Therefore the clutch (C-3) can be formed into a compact structure. Accordingly, the automatic transmission (1) can be made compact.
    • 一种用于车辆的小型自动变速器(1),其能够防止换挡元件之间的相对旋转增加。 行星齿轮单元(5)具备:输入轴(2)的旋转被输入的太阳轮(S1),能够停止旋转的行星架(CR1),以及输出 到行星齿轮组(6)的相对于输入轴(2)的旋转减小的减小的旋转。 通过离合器(C-3)的连接/切断,输入轴(2)与太阳轮(S1)适当地连接/分离,通过制动器(B-1)适当地使行星架(CR1) 和单向离合器(F-1)。 这防止了齿轮单元(5)的相对转动,该转动单元(5)在换档元件之间不进行换档操作过度增加。 当离合器(C-3)设置在输入轴(2)和太阳轮(S1)之间时,离合器(C-3)的容量与配置在齿轮单元 (5)和齿轮组(6)。 因此,离合器(C-3)可以形成为紧凑的结构。 相应地,自动变速器(1)可以制造得紧凑。