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    • 83. 发明申请
    • Toroidal type continuously variable transmission
    • 环形无级变速器
    • US20040033860A1
    • 2004-02-19
    • US10433010
    • 2003-05-29
    • Yasuji TaketsunaShigenori Tamaki
    • F16H015/38
    • F16H15/38
    • A toroydal type continuously variable transmission wherein a rollers is clamped in a rotatable condition by the input disc and the output disc arranged rotatably on the common axis line and opposed to each other; wherein an actuator for moving the roller backward and forward in the direction along a plane vertical to a center axis of rotation of those discs is provided; and wherein those discs, roller, and actuator are accommodated inside of the housing; and an installation portion protruding to the center portion of the housing is provided on inner face of the housing and the said actuators are fixed on the installation portion.
    • 一种托辊式无级变速器,其中通过可旋转地布置在公共轴线上并且彼此相对的输入盘和输出盘将滚轮夹紧在可旋转状态中; 其特征在于,具有用于沿着与所述盘的旋转中心轴垂直的平面的方向向后前后移动所述滚筒的致动器。 并且其中所述盘,辊和致动器容纳在所述壳体内部; 并且在壳体的内表面上设置突出到壳体的中心部分的安装部分,并且所述致动器固定在安装部分上。
    • 84. 发明申请
    • Power roller support structure for toroidal continuously-variable transmission
    • 用于环形无级变速器的动力辊支撑结构
    • US20040029675A1
    • 2004-02-12
    • US10617724
    • 2003-07-14
    • NISSAN MOTOR CO., LTD.
    • Yuichi Shibukawa
    • F16H015/38
    • F16H15/38
    • A power roller supporting structure for a toroidal continuously variable transmission, including a moveable disk, a stationary disk, the disks being rotatable about a first axis, power rollers disposed between the moveable and stationary disks and rotatable about a second axis and pivotally moveable about a third axis extending perpendicular to the second axis upon rotation of the moveable and stationary disks, the power rollers having a low speed ratio position where a reduced speed ratio between rotational speeds of the disks is obtained and a high speed ratio position where an increased speed ratio therebetween is obtained, and an arrangement for allowing the power rollers to move closer to the first axis along the second axis when the power rollers are placed in the low speed ratio position than when the power rollers are placed in the high speed ratio position.
    • 一种用于环形无级变速器的动力辊支撑结构,包括可移动盘,固定盘,盘可围绕第一轴线旋转,动力辊设置在可移动盘和固定盘之间,并可围绕第二轴转动并围绕 第三轴在可移动和固定的盘旋转时垂直于第二轴线延伸,动力辊具有低速比位置,其中获得盘的转速之间的降低的速度比和高速比位置,其中增加的速度比 并且当动力辊被放置在低速比位置时比在动力辊被放置在高速比位置时允许动力辊沿着第二轴线更靠近第一轴线移动的装置。
    • 85. 发明申请
    • Toroidal-type continuously variable transmission
    • 环形无级变速器
    • US20040018911A1
    • 2004-01-29
    • US10443845
    • 2003-05-23
    • NSK LTD.
    • Hiroki NishiiEiji Inoue
    • F16H015/38
    • F16H15/38
    • A toroidal-type continuously variable transmission has a casing; an input disk and an output disk rotatably supported concentrically with each other; a plurality of power rollers each held between the input and output disks; a plurality of trunnions disposed at position twisted with respect to a center axis; a drive device for shifting the trunnions in the axial directions or the pivot shafts; a pair of yokes for supporting the pivot shafts of each of the trunnions so as to be swung and shifted in the axial direction thereof, the yokes being swingable according to the shifting movement of the associated trunnion; and, a pair of opposing members each disposed to be opposed to the associated yoke, wherein the yokes each includes projection portion contacted with the associated opposing member, the projection portion being the fulcrum of the swinging movements of the yokes.
    • 环形无级变速器具有壳体; 一个输入盘和一个可旋转地支承在一起的输出盘; 多个电动辊,每个保持在所述输入和输出盘之间; 设置在相对于中心轴线扭转的位置处的多个耳轴; 用于使耳轴沿轴向移动的驱动装置或枢转轴; 一对用于支撑每个耳轴的枢转轴以便沿其轴向摆动和移位的轭,所述轭可根据相关联的耳轴的移动运动摆动; 以及一对相对的构件,其各自设置成与相关联的轭架相对,其中所述轭架各自包括与相关联的相对构件接触的突出部分,所述突出部分是所述轭架的摆动运动的支点。
    • 86. 发明申请
    • ToroidaL type continuously variable transmission
    • ToroidaL型无级变速器
    • US20040014556A1
    • 2004-01-22
    • US10459442
    • 2003-06-12
    • NISSAN MOTOR CO., LTD.JATCO LTD.
    • Masatoshi FukuyamaToshifumi HibiJun SugiharaToshikazu Oshidari
    • F16H061/18F16H015/38
    • F16H61/6648F16H61/6649
    • When, with engine kept stopped, driven road wheels are turned, the toroidal type continuously variable transmission is suppressed from shifting toward a higher speed side. That is, when, with the engine kept stopped, the road wheels are turned in a reverse direction due to a traction of a motor vehicle with its front end facing backward, an extra oil pump driven by the road wheels produces an oil pressure which is applied to a hydraulic servo mechanism to keep a speed change ratio at a lower speed side. While, when, with the engine kept stopped, the road wheels are turned in a forward direction due to a traction of the motor vehicle with its front end facing forward, the oil pressure produced by the extra oil pump is not practically used. Under this condition, a biasing spring suppresses a servo piston from moving in a direction to bring about a speed change ratio for the higher speed side.
    • 当发动机保持停止时,驱动的车轮转动,环形无级变速器被抑制为向高速侧移动。 也就是说,当发动机保持停止时,由于机动车辆的前端面向后的牵引力,车轮以相反的方向转动,由车轮驱动的额外的油泵产生油压, 施加到液压伺服机构以保持在较低速度侧的变速比。 当发动机保持停止时,由于机动车辆的前端面向前的牵引力,车轮向前方转动,所以不实际使用由额外的油泵产生的油压。 在这种情况下,偏置弹簧抑制伺服活塞在朝向高速侧的速度变化率的方向上移动。
    • 87. 发明申请
    • Trunnion linkage structure for toroidal continuously variable transmission and method of assembling the structure
    • 用于环形无级变速传动的耳轴连杆结构和组装方法
    • US20030216214A1
    • 2003-11-20
    • US10414156
    • 2003-04-16
    • NISSAN MOTOR CO., LTD.
    • Jun Watanabe
    • F16H015/38
    • F16H15/38F16H61/664
    • A trunnion linkage structure of a dual-cavity toroidal CVT, including trunnions each having an axial end portion, an upper link coupled to the axial end portion through a connection hole, a stop and a snap ring mounted to the axial end portion of the trunnion, and a stop positioning portion arranged so as to limit displacement of the stop in a lateral direction substantially perpendicular to the axial direction of the trunnion. A method of assembling the structure, including inserting a jig into the transmission case, placing the snap ring and the stop on the jig, placing the upper link on the stop, inserting the axial end portion of the trunnion into the connection hole so as to position the stop in place on the axial end portion of the trunnion, and guiding the snap ring to the mount position on the axial end portion thereof.
    • 双腔环形CVT的耳轴连杆结构,包括各自具有轴向端部的耳轴,通过连接孔联接到轴向端部的上连杆,止动件和安装到耳轴的轴向端部的卡环 以及止动定位部,其布置成限制止动件在大致垂直于耳轴的轴向的横向方向上的位移。 一种组装结构的方法,包括将夹具插入变速器壳体中,将卡环和止动件放置在夹具上,将上连杆放置在止动件上,将耳轴的轴向端部插入连接孔,以便 将止动件定位在耳轴的轴向端部上,并将卡环引导到其轴向端部上的安装位置。
    • 88. 发明申请
    • Toroidal-type continuously variable transmission
    • 环形无级变速器
    • US20030211915A1
    • 2003-11-13
    • US10396286
    • 2003-03-26
    • NSK LTD.
    • Takashi NogiNorihisa Kobayashi
    • F16H015/38
    • F16H15/38F16H57/049
    • In the inner and outer surfaces of the retainer 34b, there are formed recessed grooves 40a, 40a which serve as lubricating oil flow passages for allowing lubricating oil to flow into pockets. Where the axial-direction depth of the recessed groove 40a, 40a is expressed as H and the circumferential-direction width thereof is expressed as 2L, 0.20nullH/Lnull0.97 can be satisfied. Accordingly, it is possible to provide a toroidal-type continuously variable transmission which can prevent the damage of a retainer 34b incorporated into a thrust rolling bearing for supporting a power roller and also can enhance the lubricating efficiency of the present thrust rolling bearing.
    • 在保持器34b的内表面和外表面上形成有用于允许润滑油流入袋中的润滑油流动通道的凹槽40a,40a。 在凹槽40a,40a的轴向深度表示为H,其周向宽度为2L的情况下,可以满足0.20 <= H / L <= 0.97。 因此,可以提供一种能够防止结合在用于支撑动力辊的推力滚动轴承中的保持器34b的损坏的环形无级变速器,并且还可以提高本推力滚动轴承的润滑效率。
    • 89. 发明申请
    • Toroidal continuously variable transmission
    • 环形无级变速器
    • US20030203789A1
    • 2003-10-30
    • US10392907
    • 2003-03-21
    • NISSAN MOTOR CO., LTD.
    • Takeshi Yamamoto
    • F16H015/38
    • F16H15/38
    • In a toroidal CVT includes a power roller interposed between input and output disks under a preload, a trunnion supports the power roller to permit a tilting motion of the power roller about a trunnion axis perpendicular to a power-roller rotation axis and to permit a parallel translation of the power roller relative to the trunnion in the direction of the common rotation axis of the input and output disks. The power roller includes an inner race in contact with the input and output disks, an outer race supported by the trunnion, and a power-roller bearing permitting relative rotation of the inner race to the outer race. The outer race has a low rigidity structure that promotes a deformation of the outer race so that the outer-race deformation follows the inner-race deformation, which may occur due to the preload during operation of the toroidal CVT.
    • 在环形CVT中包括在预载下插入在输入和输出盘之间的动力辊,耳轴支撑动力辊以允许动力辊绕垂直于动力辊旋转轴线的耳轴轴线的倾斜运动,并且允许平行 在输入和输出盘的公共旋转轴的方向上相对于耳轴的动力辊的平移。 动力辊包括与输入和输出盘接触的内圈,由耳轴支撑的外座圈和允许内座圈相对于外座圈相对旋转的动力滚子轴承。 外圈具有低刚性结构,其促进外圈的变形,使得外圈变形遵循由于环形CVT的操作期间的预载而可能发生的内圈变形。
    • 90. 发明申请
    • Power roller bearing of toroidal-type continuously variable trasmission unit
    • 环型无级变速传动装置的动力滚子轴承
    • US20030181287A1
    • 2003-09-25
    • US10412798
    • 2003-04-11
    • NSK Ltd.
    • Hiroyuki ItohTakashi ImanishiNobuo GotoYasuo MurakamiTomonobu Yoshikawa
    • F16H015/38
    • F16H15/38F16C19/10F16C33/585F16C33/64F16C2240/54F16C2361/65Y02T10/865
    • A power roller bearing of a toroidal-type continuously variable transmission unit that is used for a transmission of an automobile or the like comprises a power roller, an outer race, balls, a retainer, etc. Annular raceway grooves are formed individually on the respective opposite end faces of the outer race and the power roller. Treated-surface layers for enhancing the endurance of the power roller bearing are formed individually on the respective surfaces of the raceway grooves. The treated-surface layers include super-finished surfaces with the surface roughness of 0.05 Ra or less, formed individually on the raceway grooves, and low-friction layers formed individually on the super-finished surfaces. Alternatively, the treated-surface layers include residual compression stress layers formed on the respective surface layer portions of the raceway grooves by shot-peening.
    • 用于汽车等的变速器的环形无级变速器单元的动力滚子轴承包括动力辊,外圈,球,保持器等。环形滚道槽分别形成在各自的上方 外圈和动力辊的相对端面。 用于提高动力滚子轴承的耐久性的处理表面层分别形成在滚道槽的各个表面上。 经处理的表面层包括单独形成在滚道槽上的表面粗糙度为0.05Ra以下的超表面,以及分别形成在超表面上的低摩擦层。 或者,经处理的表面层包括通过喷丸处理在轨道槽的各个表面层部分上形成的残余压缩应力层。