Continuously variable toroidal transmission

    公开(公告)号:US10221926B2

    公开(公告)日:2019-03-05

    申请号:US14371570

    申请日:2013-01-10

    IPC分类号: F16H15/38 F16H15/40 F16H15/08

    摘要: In a toroidal variator a plurality of rolling elements (20, 22) are in driving engagement with an input and output race (10, 14) at respective contact regions. Each rolling element (20, 22) is mounted on a carriage assembly (26) for rotation about a rolling axis, and is being free to pivot about a tilt axis, the tilt axis passing through the rolling element (20, 22) perpendicular to the rolling axis, and intersecting the rolling axis at a roller center, whereby a change in the tilt axis causes a change in the variator ratio being the ratio of rotational speeds of the races. The tilt axis is arranged at an angle known as castor angle (see FIG. 4) to a plane (P) perpendicular to the variator axis (V). Each carriage assembly (26) can cause a movement of the rolling element (20, 22) with a component of rotation about a pitch axis (A, B). The pitch axis is defined as passing through the roller center and through the contact regions. Pitching the roller elements (20, 22) causes them to tilt, thereby changing the transmission ratio.

    Continuously variable transmission with a hydraulic control system
    2.
    发明授权
    Continuously variable transmission with a hydraulic control system 失效
    带液压控制系统的无级变速器

    公开(公告)号:US5540631A

    公开(公告)日:1996-07-30

    申请号:US319669

    申请日:1994-10-07

    摘要: A compact structure is provided for a continuously variable transmission, which provides a more direct application of both load and control forces at the pivot trunnion. Load forces are produced from within the pivot trunnion, providing more direct control over load forces and their effect on contact forces between traction rollers and toric discs. Control forces which establish the desired transmission ratio are applied to the pivot trunnion in a manner which substantially eliminates twisting and squirming of the support rollers. High efficiency in operation, and improved assembly is provided with the compact structure disclosed.

    摘要翻译: 为无级变速器提供了紧凑的结构,其提供了在枢转耳轴处的负载和控制力的更直接的应用。 负载力从枢轴耳轴内产生,可以更好地控制负载力及其对牵引辊和复曲面盘之间接触力的影响。 建立所需传动比的控制力以基本上消除了支撑辊的扭转和振动的方式施加到枢转耳轴。 提供了高效率的操作和改进的组装,其中公开了紧凑的结构。

    Transmissions of the toroidal-race rolling-traction type
    3.
    发明授权
    Transmissions of the toroidal-race rolling-traction type 失效
    环形滚动牵引式变速箱

    公开(公告)号:US5308297A

    公开(公告)日:1994-05-03

    申请号:US859445

    申请日:1992-05-28

    IPC分类号: F16H15/38 F16H15/08

    CPC分类号: F16H15/38 F16H2015/386

    摘要: A variator for a transmission of the toroidal-race rolling-traction type in which a multiplicity of input discs (1-4) and output discs (11-13) are arranged in coaxial sequence, all disc except the first (1) and last (4) in the sequence being formed with races (9, 10) on both of their faces. Drive is transmitted from the output discs to one (35) or several (45-47) output shafts, the output shaft or shafts preferably lying parallel to but displaced from the common axis (8) of the discs. Alternative ways of inter-relating the orientation of the torque-transmitting rollers (20), to produce single or multiple outputs of the transmission, are described. The invention offers the prospect of a variator of higher-than-normal traction-transmitting capacity but using discs of only normal size.

    摘要翻译: PCT No.PCT / GB90 / 01868 Sec。 371日期:1992年5月28日 102(e)日期1992年5月28日PCT提交1990年11月30日PCT公布。 公开号WO91 / 08405 日期:1991年6月13日。一种环形滚道牵引式变速器变速器,其中多个输入盘(1-4)和输出盘(11-13)以同轴的方式排列,除了 顺序中的第一(1)和最后(4)在它们的两个面上形成有种族(9,10)。 驱动器从输出盘传输到一个(35)或多个(45-47)输出轴,输出轴或轴优选地平行于盘从公共轴线(8)移位。 描述了将扭矩传递辊(20)的取向相互关联以产生变速器的单个或多个输出的替代方式。 本发明提供了具有高于正常牵引传输能力的变换器的前景,但是使用仅具有正常尺寸的盘。

    Shift control system for continuously variable traction roller
transmission
    4.
    发明授权
    Shift control system for continuously variable traction roller transmission 失效
    变速控制系统用于连续可变牵引辊传动

    公开(公告)号:US5286240A

    公开(公告)日:1994-02-15

    申请号:US922789

    申请日:1992-07-31

    申请人: Katsuya Kobayashi

    发明人: Katsuya Kobayashi

    CPC分类号: F16H61/664

    摘要: A shift control system for a continuously variable traction roller transmission controls the feedback to a shift control valve so that a ratio b/a of a variation "b" mm of a feedback amount to the shift control valve for 1 mm of a displacement of a power roller to a variation "a" mm of the feedback amount to the shift control valve for 1 degree of an inclination of the power roller is in a range given by: 1.74R.sup.4/5 -3.90.ltoreq.b/a.ltoreq.3.09R.sup.5/9 +30.51.

    摘要翻译: 用于连续可变的牵引辊传动装置的变速控制系统控制向变速控制阀的反馈,使得与变速控制阀的反馈量的变化量“b”的比值b / a为1mm的位移 动力辊与动力辊的1度倾斜度的换档控制阀的反馈量的变化量“a”的范围在以下范围内:1.74R4 / 5-3.90 <= b / a <= 3.09R5 /9+30.51。

    Transmission of the toroidal-race rolling-traction type
    5.
    发明授权
    Transmission of the toroidal-race rolling-traction type 失效
    环形滚道牵引式的传动

    公开(公告)号:US5263907A

    公开(公告)日:1993-11-23

    申请号:US916112

    申请日:1992-07-29

    申请人: Thomas G. Fellows

    发明人: Thomas G. Fellows

    IPC分类号: F16H15/36 F16H15/38 F16H15/08

    CPC分类号: F16H15/38 F16H15/36

    摘要: A rotatable disc (1, 3) formed with a coaxial part-toroidal race (26, 27) for use as the input or output disc of the variator for a transmission--especially of the full toroidal kind--of the toroidal-race rolling-traction type, in which the torus radius (r.sub.d) of the race, that is to say the radius of curvature of the race measured at a chose point on the race and in a plane including the disc axis, decreases as the distance of that point from the disc axis (5) diminishes. Such decrease of the torus radius may be either continuous or discontinuous.

    摘要翻译: PCT No.PCT / GB91 / 00243 Sec。 371日期:1992年7月29日 102(e)日期1992年7月29日PCT 1991年1月30日PCT PCT。 出版物WO91 / 11637 日期:1991年8月8日。一种形成有同轴部分环形轨道(26,27)的可旋转盘(1,3),用于变速器的输入或输出盘,特别是全环形类型 的环形滚动牵引型,其中在赛道的选择点和包括盘轴的平面中测量的跑道的圆弧半径(rd),即赛跑的曲率半径测量, 随着该点与盘轴(5)的距离减小,减小。 这种环面半径的减小可以是连续的或不连续的。

    Transmission ratio control apparatus of toroidal type infinitely
variable transmission
    6.
    发明授权
    Transmission ratio control apparatus of toroidal type infinitely variable transmission 失效
    环形无级变速器传动比控制装置

    公开(公告)号:US4744032A

    公开(公告)日:1988-05-10

    申请号:US757079

    申请日:1985-07-19

    摘要: A tilting angle detector detects a tilting angle of the power rollers which perform the transmission operation of a toroidal type infinitely variable transmission. Based on the detecting signal and a command value signal from command value selecting means for selecting a command value of the transmission ratio, control means controls the power rollers to tilt. In this control, correction means corrects at least one of the detecting signal of the tilting angle detector and the command value signal of the command value selecting means so that a relationship of the transmission ratio with respect to the tilting angle becomes linear, and thus the gain at each transmission ratio is made equal.

    摘要翻译: 倾斜角检测器检测执行环形无级变速器的传动操作的动力辊的倾斜角度。 基于检测信号和来自用于选择传动比的指令值的指令值选择装置的指令值信号,控制装置控制动力辊倾斜。 在该控制中,校正装置校正倾斜角检测器的检测信号和指令值选择装置的指令值信号中的至少一个,使得传动比相对于倾斜角度的关系变得线性,因此 使各传动比下的增益相等。

    Infinitely variable traction roller transmission
    7.
    发明授权
    Infinitely variable traction roller transmission 失效
    无级变速牵引辊传动

    公开(公告)号:US4572016A

    公开(公告)日:1986-02-25

    申请号:US766661

    申请日:1985-08-15

    申请人: Hideo Okoshi

    发明人: Hideo Okoshi

    IPC分类号: F16H15/38 F16H15/40 F16H15/08

    CPC分类号: F16H15/38 Y10T74/18984

    摘要: An infinitely variable traction roller transmission having a housing, input and output shafts rotatably and coaxially journaled to the housing, input and output toric discs mounted on the input and output shafts and rotatable together while being firmly engaged with the shafts, the opposed surfaces of the toric discs cooperating with each other to form a toroidal cavity, a plurality of traction rollers disposed in the toroidal cavity symmetrically with the axis of the input and output shafts, a trunnion device rotatably supporting the traction rollers and pivotably supporting the vicinity of a pivot axis perpendicular to the rotational axis thereof, and forcing means for firmer engaging the input and output toric discs with the traction rollers and generating a traction force, is provided with a support device for mounting the trunnion device on the housing for slight movement in the direction of the pivot axis, a displacing device provided at the end of the pivot axis of the trunnion device to displace the trunnion device in the axial direction, and a spring device cooperating with the displacing device in accordance with the amount of displacement of the displacing device resulting from said rotational movement.

    摘要翻译: 一种无级变速的牵引辊传动装置,具有壳体,输入和输出轴,其可旋转地并同轴地轴套安装在壳体上,输入和输出复曲面盘安装在输入和输出轴上并且可旋转在一起,同时与轴牢固地接合, 彼此协作以形成环形腔,多个牵引辊,其布置在环形空腔中,与输入和输出轴对称地配置;耳轴装置,可旋转地支撑牵引辊并可枢转地支撑枢转轴线附近 垂直于其旋转轴线的强制装置,以及用于使用牵引辊更牢固地接合输入和输出复曲面盘并产生牵引力的强制装置设置有支撑装置,用于将耳轴装置安装在壳体上,以便沿着 枢转轴线,设置在耳轴的枢转轴线的端部的移位装置 用于沿轴向移动耳轴装置的装置,以及根据由所述旋转运动产生的位移装置的位移量与移动装置配合的弹簧装置。

    Infinitely variable traction roller transmission
    8.
    发明授权
    Infinitely variable traction roller transmission 失效
    无级变速牵引辊传动

    公开(公告)号:US4444068A

    公开(公告)日:1984-04-24

    申请号:US343906

    申请日:1982-01-26

    申请人: Charles E. Kraus

    发明人: Charles E. Kraus

    CPC分类号: F16H15/38

    摘要: In a traction roller transmission in which motion is transmitted from an input shaft to an output shaft by traction rollers arranged between, and in engagement with, opposite toric discs, the traction rollers are supported by pivot trunnions which have ball screw structures associated therewith in order to provide a predetermined axial position for one part with respect to the other part of the ball screw structure which is connected to the trunnion for pivotal and axial movement therewith.

    摘要翻译: 在牵引辊传动装置中,其中运动通过设置在相反的复曲面盘之间并与其相对的牵引辊从输入轴传递到输出轴,牵引辊由枢转耳轴支撑,枢转耳轴具有与其相关联的滚珠丝杠结构 以相对于与耳轴连接的滚珠丝杠结构的另一部分为一个部分提供预定的轴向位置,以便与其枢转和轴向移动。

    Variable speed driving mechanism
    9.
    发明授权
    Variable speed driving mechanism 失效
    变速驱动机构

    公开(公告)号:US4404864A

    公开(公告)日:1983-09-20

    申请号:US199817

    申请日:1980-10-23

    IPC分类号: F16H15/10 F16H15/08

    CPC分类号: F16H15/10

    摘要: A variable speed mechanism in which a friction wheel (29) is movable in a plane normal to the plane of a driving wheel (20) and in frictional engagement therewith to obtain a driving of the friction wheel at a speed and in a direction dependent upon the location of the frictional engagement of the friction wheel (29) with the driving wheel (20), the driving wheel (20)being rotated about a non-rotating pintle (22) which engages the rim (29A) of the friction wheel (29) when located at the axis of the driving wheel (20).

    摘要翻译: 一种变速机构,其中摩擦轮(29)可在垂直于驱动轮(20)的平面的平面中移动并与其摩擦接合,以获得摩擦轮的驱动速度和方向取决于 摩擦轮(29)与驱动轮(20)的摩擦接合的位置,驱动轮(20)围绕与摩擦轮的轮辋(29A)接合的非旋转枢栓(22)旋转 当位于驱动轮(20)的轴线时。

    Variable speed transmission systems
    10.
    发明授权
    Variable speed transmission systems 失效
    变速传动系统

    公开(公告)号:US4281559A

    公开(公告)日:1981-08-04

    申请号:US73230

    申请日:1979-09-07

    申请人: Raymond Sharpe

    发明人: Raymond Sharpe

    CPC分类号: F16H15/38 F16H2015/383

    摘要: A transmission system including two axially spaced torus discs or rotors, one serving as an input and the other as an output and between which there is a set of circumferentially spaced drive rollers in frictional rolling contact with part toroidal surfaces on the discs, each roller being mounted in a bearing structure which can tilt about an axis at right angles to the axis of rotation of each roller to vary the distances from the gear axis at which the roller engages the two discs respectively to vary the ratio of the gear, means being provided for moving each roller bearing structure generally tangentially of the gear axis, and arranged to apply a force to said structure in a direction non-parallel with respect to the plane which is perpendicular to the gear axis and there being means for accommodating the effective movement of the roller bearing axes relatively to the gear axis in a direction parallel to the gear axis.

    摘要翻译: 一种传动系统,包括两个轴向隔开的环形盘或转子,一个用作输入,另一个用作输出,并且其间具有一组周向间隔开的驱动辊,与盘上的部分环形表面摩擦滚动接触,每个辊是 安装在可以围绕与每个滚子的旋转轴线成直角的轴线倾斜的轴承结构,以改变与滚子与齿轮啮合的齿轮轴线的距离,从而改变齿轮的比例, 用于使齿轮轴线大致切向地移动每个滚子轴承结构,并且被布置成在相对于垂直于齿轮轴线的平面不平行的方向上向所述结构施加力,并且具有用于容纳有效运动的装置 滚子轴承轴线在平行于齿轮轴线的方向上相对于齿轮轴线。