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    • 4. 发明授权
    • Continuously variable transmission
    • 连续可变传动
    • US06890275B1
    • 2005-05-10
    • US09958191
    • 2000-04-15
    • Andreas PiepenbrinkBernd FesslerWolfgang Runge
    • Andreas PiepenbrinkBernd FesslerWolfgang Runge
    • F16H9/00F16H61/00F16H61/662
    • F16H61/66272F16H61/66263
    • A continuously variable transmission for a motor vehicle, possessing a variator (2, 2′) with a primary V-pulley set (3, 3′) and a secondary V-pulley set (4, 4′). In this arrangement are a primary V-pulley disk (5, 5′) and a secondary V-pulley disk (6, 6′), which are axially slidable by hydraulic force for the controlled adjustment of a pressure can be, respectively, loaded with an oil flow through an electro-hydraulically controlled pressure supply apparatus (1, 1′). The pressure supply apparatus (1,1′) is so designed, that the oil flow is brought to the V-pulley disks (5, 5′, 5, 6′) through a pressure line (8, 8′, 9, 9′) with at least one pressure controller (10, 10′, 11, 11′) and one pressure chamber (12, 12′, 13, 13′) with a variable volume (V1, V2). The pressure chamber (12, 12′) of the primary V-pulley disk (5, 5′) can be connected to a primary chamber 20, 20′) of the cylinder (14, 14′), and the pressure chamber (13, 13′) can be connected with a secondary chamber (21, 21′) of said cylinder (14, 14′), in which, between the primary chamber (20, 20′) and the secondary chamber (21, 21′) a double action, reversible piston (15, 15′) is placed for directing pressurized oil from a low pressure side to a high pressure side of the variator (2, 2′) upon the shifting of said variator (2, 2′).
    • 一种用于机动车辆的无级变速器,其具有具有主V形带轮组(3,3')和次级V形带轮组(4,4')的变速器(2,2')。 在这种布置中,主要的V型皮带轮盘(5,5')和次级V型皮带轮盘(6,6')可以通过液压力轴向滑动以便受到控制的压力调节。 油流经电液控压力供应装置(1,1')。 压力供给装置(1,1')被设计成使得油流通过压力线(8,8',9,9)被带到V形带轮盘(5,5',5,6') ')具有至少一个具有可变容积(V 1,V 2)的压力控制器(10,10',11,11')和一个压力室(12,12',13,13')。 主V型皮带轮盘(5,5')的压力室(12,12')可连接到气缸(14,14')的主室20,20',压力室(13' ,13')可以与所述气缸(14,14')的次级室(21,21')连接,其中在主室(20,20')和次室(21,21')之间, 放置双作用的可逆活塞(15,15'),用于在所述变速器(2,2')移动时将加压油从变压器(2,2')的低压侧引导到高压侧。
    • 5. 发明授权
    • Oil supplying system for an automatic transmission with a hydrodynamic starting device
    • 具有水动力起动装置的自动变速器供油系统
    • US06668978B2
    • 2003-12-30
    • US09938180
    • 2001-08-23
    • Bernd FesslerFriedrich Reiter
    • Bernd FesslerFriedrich Reiter
    • F01M900
    • F16H57/0434F16H41/30F16H61/0021F16H61/143F16H2061/0037Y10T74/19991
    • The invention concerns an oil supply system for an automatic transmission of a motor vehicle having one hydrodynamic starting element. It has one oil pump (2) to convey oil to a variator (9, 10) and/or to shifting elements (12, 13), to a converter unit (19) that can be supplied with oil via two oil lines (23, 25), especially a hydrodynamic torque converter (20) having a converter lock-up clutch (21), and to a lubrication device (28), the same as at least one filter device (3, 31) and one oil cooling device (17). Here are provided one prioritized primary circuit (6) with a main pressure adjusted by a main pressure valve (3) for pressure supply of the variator (9, 10) and/or of the shifting elements (12, 13) and a secondary circuit (7) for oil supply of the lubrication device (28). It is proposed according to the invention that the converter unit (19) be tied to the primary circuit (6) and to the secondary circuit (7) so that the converter lock-up clutch (21) be supplied with a minimum pressure required for torque transmission via the primary circuit (6) parallel to the supply of the lubrication device (28) via the secondary circuit (7) when on the converter lock-up clutch (21) a closing or slipping state is adjusted and that otherwise the converter unit (19) is supplied with oil via the secondary circuit (7).
    • 本发明涉及一种用于具有一个流体动力起动元件的机动车辆的自动变速器的供油系统。 它具有一个油泵(2),用于将油输送到变换器(9,10)和/或移动元件(12,13),以转换到可通过两根油管(23)供应油的转换器单元(19) ,25),特别是具有转换器锁止离合器(21)的液力变矩器(20)和与润滑装置(28)相同的至少一个过滤装置(3,31)和一个油冷却装置 (17)。 这里提供了一个优先级优先的主回路(6),其中主压力由主压力阀(3)调节,用于变压器(9,10)和/或变速元件(12,13)的压力供应和二次回路 (7),用于润滑装置(28)的供油。 根据本发明提出,转换器单元(19)被连接到主电路(6)和次级电路(7),使得转换器锁止离合器(21)被提供有最小的压力 在转换器锁止离合器(21)处于关闭或滑动状态时,通过次级回路(7)平行于润滑装置(28)的供应的主回路(6)的转矩传递被调节,否则转换器 单元(19)通过次级回路(7)供给油。
    • 7. 发明授权
    • Arrangement for operating an automotive CVT
    • 运行汽车CVT的安排
    • US06537176B2
    • 2003-03-25
    • US09819519
    • 2001-03-27
    • Bernd Fessler
    • Bernd Fessler
    • F16H5906
    • F16H61/66259F16H61/662F16H61/66272Y10T477/6237Y10T477/624
    • An arrangement for operating a CVT transmission of a motor vehicle is proposed which comprises a hydraulic circuit supplied from a hydraulic pressure source (8) having two parallel second branches (16, 17) attached to the first branch (9) of the hydraulic circuit each for supplying pressure to a hydraulic actuator (4, 5) for respectively a cone pulley pair (2, 3) of the transmission wherein with the first branch (9) and each second branch (16, 18) an independently controllable pressure valve system (12, 13, 18, 19, 20, 21) is associated for adjusting the hydraulic pressure in the respective branch (9, 16, 17). According to the invention at least one of the pressure valve systems (18, 19, 20, 21) associated with the second branches (16, 17) has a controllable pressure-differential valve (18, 19) connected between the first branch (9) and the second branch (16, 17) concerned. At the same time the control unit (15) is designed for the purpose of optionally working in a first pressure control mode in which it adjusts the pressure in the second branch (16, 17) attached to the pressure-differential valve (18, 19) by control of the pressure valve system (12, 13) associated with the second branch (9) without control of the pressure-differential valve (18, 19), or in a second pressure control mode in which it adjusts this pressure by control of the pressure-differential valve (18, 19) at will under simultaneously control of the pressure valve system (12, 13) associated with the first branch (9).
    • 提出了一种用于操作机动车辆的CVT变速器的装置,其包括从具有连接到液压回路的第一分支(9)的两个平行的第二分支(16,17)的液压源(8)供应的液压回路 用于向液压致动器(4,5)供应压力,用于分别用于变速器的锥形皮带轮对(2,3),其中通过第一分支(9)和每个第二分支(16,18)具有独立可控的压力阀系统 12,13,18,19,20,21)用于调节相应支路(9,16,17)中的液压。 根据本发明,与第二分支(16,17)相关联的压力阀系统(18,19,20,21)中的至少一个具有连接在第一分支(9)之间的可控压差阀(18,19) )和第二分支(16,17)。 同时,控制单元(15)被设计用于可选地在第一压力控制模式下工作,其中它调节附接到压差阀(18,19)的第二分支(16,17)中的压力 )通过在不控制压差阀(18,19)的情况下控制与第二分支(9)相关联的压力阀系统(12,13),或者通过控制来调节该压力的第二压力控制模式 在与第一分支(9)相关联的压力阀系统(12,13)的同时控制下,所述压差阀(18,19)。
    • 8. 发明授权
    • Device for controlling a continuously variable automatic transmission
    • 用于控制无级变速自动变速器的装置
    • US06402648B1
    • 2002-06-11
    • US09596661
    • 2000-06-19
    • Andreas PiepenbrinkBernd Fessler
    • Andreas PiepenbrinkBernd Fessler
    • F16H5900
    • F16H61/66272F16H61/66259
    • The device to control a continuously variable automatic transmission (CVT) having a first bevel pulley pair, upon an input shift and a second bevel pulley pair upon an output shaft and a belt drive organ extending between the bevel pulley pairs, wherein the movable parts of the bevel pulley pairs are displaced in an axial direction by electromagnetic actuators and hydraulic pressure regulating valves, as well as adjusting cylinders, comprises a closed hydraulic circuit regulated at a constant pressure so that leakage flows of the adjusting cylinders for the bevel pulley pairs and leakage flows of the pressure-regulating valves are delivered directly to a hydraulic constant pressure circuit such as the circuit provided for supplying the torque converter and to the secondary circuit serving for lubrication.
    • 用于控制具有第一斜面滑轮对的无级变速自动变速器(CVT)的装置,在输入轴上的输入换档和第二斜面滑轮对以及在所述斜面滑轮对之间延伸的带驱动机构,其中, 斜齿轮对由电磁致动器和液压调节阀以及调节气缸在轴向方向上移动,包括在恒定压力下调节的闭合液压回路,使得用于斜齿轮对的调节气缸的泄漏流和泄漏 压力调节阀的流量直接输送到诸如用于供应变矩器的电路和用于润滑的次级回路的液压恒压回路。