Belt type continuously variable transmission
    3.
    发明申请
    Belt type continuously variable transmission 有权
    皮带式无级变速器

    公开(公告)号:US20070249440A1

    公开(公告)日:2007-10-25

    申请号:US10591181

    申请日:2005-03-18

    IPC分类号: F16H61/00 F16H59/00 F16H63/00

    CPC分类号: F16H63/065 F16H55/56

    摘要: A belt type continuously variable transmission in which a pulley shaft is supported by bearings provided at two positions that are apart from each other in an axial direction of the pulley shaft and a supply oil passage for supplying hydraulic fluid to a pulley hydraulic chamber includes a radial direction oil passage that is formed in the pulley shaft, the radial direction oil passage is formed on an outside of an area between the two positions. Also, one of the bearings is provided near the radial direction oil passage and on an outer surface side of a cylinder member whose inner surface side forms the pulley hydraulic chamber for a movable sheave that is fixed to the pulley shaft. With this structure, concentration of stress on the radial direction oil passage can be avoided, and therefore strength of the pulley shaft can be secured.

    摘要翻译: 一种带式无级变速器,其中,带轮轴由设置在沿着带轮轴的轴向彼此分离的两个位置处的轴承支撑,并且用于将液压流体供应到滑轮液压室的供给油通道包括径向 形成在带轮轴上的方向油路,径向油路形成在两个位置之间的区域的外侧。 此外,其中一个轴承设置在径向油路附近和在其内表面侧形成用于固定到滑轮轴的可动滑轮的滑轮液压室的气缸构件的外表面侧上。 通过这种结构,可以避免在径向油路上的应力集中,从而可以确保滑轮轴的强度。

    Continuously variable belt transmission for a vehicle
    4.
    发明申请
    Continuously variable belt transmission for a vehicle 有权
    用于车辆的连续变速皮带传动

    公开(公告)号:US20050197221A1

    公开(公告)日:2005-09-08

    申请号:US11067759

    申请日:2005-03-01

    摘要: A continuously variable belt transmission for a vehicle which can generate a cancellation hydraulic pressure for cancellation with a simple construction, as well as urge a movable sheave in the direction for producing a belt pressing force even at the time a vehicle is towed. A member to form a first hydraulic chamber P1 where a pressing force acting on the movable sheave is generated and a circular member forming a part of a second hydraulic chamber P2 where a hydraulic pressure is generated to cancel a centrifugal hydraulic pressure generated in the first hydraulic chamber P1 are provided, wherein the circular member is formed of an elastic member urging the movable sheave in the direction for generating the belt pressing force at a position of the movable sheave in a predetermined gear ratio.

    摘要翻译: 一种用于车辆的连续可变皮带传动装置,其能够以简单的结构产生取消的取消液压,并且即使在车辆被拖曳时也促使可动滑轮沿方向产生皮带按压力。 形成第一液压室P1的构件,其中产生作用在可动滑轮上​​的按压力,以及形成产生液压的第二液压室P 2的一部分的圆形构件,以抵消在 设置有第一液压室P1,其中,圆形构件由弹性构件形成,弹性构件以预定的传动比在可动滑轮的位置沿着产生带按压力的方向推动可动滑轮。

    Infinitely variable transmission
    5.
    发明授权
    Infinitely variable transmission 失效
    无级变速器

    公开(公告)号:US5961418A

    公开(公告)日:1999-10-05

    申请号:US957772

    申请日:1997-10-24

    摘要: An infinitely variable transmission has a gear neutral (GN) point and serves as an output member by torque circulation. When a pulley ratio thereof is within a predetermined range from the GN point, a coasting state occurs which may hinder smooth torque transmission based on the transmission efficiency and generate a great engine braking effect (failure in the transmission resulting from the coasting state) based on a large gear ratio. When the pulley ratio assumes a predetermined value that may cause failure in transmission resulting from the coasting state, upon release of the accelerator pedal, an electronic throttle system performs control such that the engine outputs a predetermined torque. Thus a positive driving state is always established. In this state, the continuously variable transmission (CVT) is shifted in the upshift direction to escape rapidly from a range defined by the pulley ratio of the predetermined value.

    摘要翻译: 无级变速器具有齿轮中性点(GN),通过扭矩循环作为输出部件。 当其比率在GN点以上的预定范围内时,会发生滑行状态,这可能会阻碍基于传动效率的平稳转矩传递,并且基于以下原因产生很大的发动机制动效果(由于惯性滑行状态导致的变速器失效) 大齿轮比。 当滑轮比例成为可能导致由于滑行状态导致的变速器失灵的预定值时,在释放加速踏板时,电子节气门系统进行控制,使得发动机输出预定的转矩。 因此,始终建立积极的行车状态。 在这种状态下,无级变速器(CVT)在升档方向上移动,从预定值的滑轮比限定的范围内迅速逃逸。

    Continuously variable belt transmission for a vehicle
    6.
    发明授权
    Continuously variable belt transmission for a vehicle 有权
    用于车辆的连续变速皮带传动

    公开(公告)号:US08092325B2

    公开(公告)日:2012-01-10

    申请号:US11067759

    申请日:2005-03-01

    IPC分类号: F16H63/00

    摘要: A continuously variable belt transmission for a vehicle which can generate a cancellation hydraulic pressure for cancellation with a simple construction, as well as urge a movable sheave in the direction for producing a belt pressing force even at the time a vehicle is towed. A member to form a first hydraulic chamber P1 where a pressing force acting on the movable sheave is generated and a circular member forming a part of a second hydraulic chamber P2 where a hydraulic pressure is generated to cancel a centrifugal hydraulic pressure generated in the first hydraulic chamber P1 are provided, wherein the circular member is formed of an elastic member urging the movable sheave in the direction for generating the belt pressing force at a position of the movable sheave in a predetermined gear ratio.

    摘要翻译: 一种用于车辆的连续可变皮带传动装置,其能够以简单的结构产生取消的取消液压,并且即使在车辆被拖曳时也促使可动滑轮沿着用于产生皮带按压力的方向。 形成第一液压室P1的构件,其中产生作用在可动滑轮上​​的按压力;以及圆形构件,其形成产生液压的第二液压室P2的一部分,以抵消在第一液压中产生的离心液压 设置室P1,其中,圆形构件由弹性构件形成,该弹性构件以预定的传动比在可动滑轮的位置处沿着产生带按压力的方向推动可动滑轮。

    Belt type continuously variable transmission
    8.
    发明授权
    Belt type continuously variable transmission 有权
    皮带式无级变速器

    公开(公告)号:US07753814B2

    公开(公告)日:2010-07-13

    申请号:US10591181

    申请日:2005-03-18

    IPC分类号: F16H59/00 F16H61/00 F16H63/00

    CPC分类号: F16H63/065 F16H55/56

    摘要: A belt type continuously variable transmission in which a pulley shaft is supported by bearings provided at two positions that are apart from each other in an axial direction of the pulley shaft and a supply oil passage for supplying hydraulic fluid to a pulley hydraulic chamber includes a radial direction oil passage that is formed in the pulley shaft, the radial direction oil passage is formed on an outside of an area between the two positions. Also, one of the bearings is provided near the radial direction oil passage and on an outer surface side of a cylinder member whose inner surface side forms the pulley hydraulic chamber for a movable sheave that is fixed to the pulley shaft. With this structure, concentration of stress on the radial direction oil passage can be avoided, and therefore strength of the pulley shaft can be secured.

    摘要翻译: 一种带式无级变速器,其中,带轮轴由设置在沿着带轮轴的轴向彼此分离的两个位置处的轴承支撑,并且用于将液压流体供应到滑轮液压室的供给油通道包括径向 形成在带轮轴上的方向油路,径向油路形成在两个位置之间的区域的外侧。 此外,其中一个轴承设置在径向油路附近和在其内表面侧形成用于固定到滑轮轴的可动滑轮的滑轮液压室的气缸构件的外表面侧上。 通过这种结构,可以避免在径向油路上的应力集中,从而可以确保滑轮轴的强度。

    Variable pressure gain control system for a CVT
    9.
    发明授权
    Variable pressure gain control system for a CVT 失效
    CVT可变压力增益控制系统

    公开(公告)号:US6019700A

    公开(公告)日:2000-02-01

    申请号:US102906

    申请日:1998-06-23

    摘要: For achieving a high accuracy line pressure control and a high line pressure, a valve control system outputs a first signal pressure to a primary regulator valve as a second signal pressure when the first signal pressure is low. The valve control system outputs a gain pressure higher than the first signal pressure to the primary regulator valve as the second signal pressure when the first signal pressure is high. A change amount of the line pressure from the primary regulator valve concerning with a change amount of the first signal pressure is a gain. The gain is a low gain which increases the accuracy of the line pressure control when the first signal pressure is low, and the gain is a high gain with which the high line pressure is output when the first signal pressure is high.

    摘要翻译: 为了实现高精度的线路压力控制和高的线路压力,当第一信号压力低时,阀控制系统将第一信号压力作为第二信号压力输出到主调节阀。 当第一信号压力高时,阀控制系统向第一调节阀输出高于第一信号压力的增压压力作为第二信号压力。 与第一信号压力的变化量有关的来自一次调节阀的管路压力的变化量是增益。 增益是低增益,当第一信号压力低时增加线路压力控制的精度,并且增益是当第一信号压力高时输出高线路压力的高增益。

    Infinitely variable transmission
    10.
    发明授权
    Infinitely variable transmission 失效
    无级变速器

    公开(公告)号:US5971887A

    公开(公告)日:1999-10-26

    申请号:US947876

    申请日:1997-10-09

    摘要: A continuously variable transmission (CVT) has an increased speed of convergence on a neutral point by combining the rotation from the CVT and a constant velocity mechanism. At the neutral point the output member has zero rotation due to torque circulation. When a neutral state is determined to be needed based on the signals indicating the pulley ratio is within a predetermined range, with the throttle pedal being off or not depressed, and the brake pedal being on, the neutral control starts an operation to control the shaft force of both the primary and the secondary pulleys for the CVT. At the same time, the engine output is controlled by controlling the throttle opening degree and a predetermined torque is transmitted to the input shaft. As a result, the CVT converges on the gear neutral point (GN) at high speed due to an increase in the input torque of the CVT based on an increase in engine torque.

    摘要翻译: 无级变速器(CVT)通过组合来自CVT的旋转和恒速机构,在中性点上具有增加的收敛速度。 在中性点,输出构件由于扭矩循环而具有零旋转。 当基于指示皮带轮比率的信号在预定范围内确定需要中立状态时,在油门踏板关闭或不被压下并且制动踏板打开的情况下,中立控制开始操作以控制轴 CVT的主滑轮和副滑轮的力。 同时,通过控制节气门开度来控制发动机输出,并且将预定扭矩传递到输入轴。 结果,由于CVT的输入转矩的增加,基于发动机转矩的增加,CVT以高速收敛于齿轮中性点(GN)。