公开(公告)号：US06176806B1

公开(公告)日：2001-01-23

申请号：US09349204

申请日：1999-07-07

申请人： Kiyoshi Okubo ,  Hiroyuki Itoh ,  Nobuaki Mitamura ,  Nobuo Goto ,  Makoto Fujinami ,  Hiroshi Kato ,  Takashi Imanishi

发明人： Kiyoshi Okubo ,  Hiroyuki Itoh ,  Nobuaki Mitamura ,  Nobuo Goto ,  Makoto Fujinami ,  Hiroshi Kato ,  Takashi Imanishi

IPC分类号： F16H5532

CPC分类号： F16H55/34 ,  F16H15/38

摘要： A cam disk for use in a loading cam mechanism of a toroidal type continuously variable transmission comprises a first projecting portion, a second projecting portion, a flange portion, a cam surface, a bearing raceway and a corner section. The cam disk has metal flows along the cam surface, metal flows along a surface of the raceway, and metal flows along a surface of the corner section. To produce the cam disk, material is shaped into a predetermined form through a first forging step using a first die unit, a second forging step using a second die unit, a third forging step using a third die unit, a finishing step, etc. The metal flows are also formed in these steps.

摘要翻译： 用于环形无级变速器的装载凸轮机构的凸轮盘包括第一突出部分，第二突出部分，凸缘部分，凸轮表面，轴承滚道和拐角部分。 凸轮盘具有沿着凸轮表面的金属流动，金属沿着滚道的表面流动，并且金属沿着拐角部分的表面流动。 为了制造凸轮盘，通过使用第一模具单元的第一锻造步骤，使用第二模具单元的第二锻造步骤，使用第三模具单元的第三锻造步骤，精加工步骤等将材料成形为预定形式 在这些步骤中也形成金属流。

公开(公告)号：US06520888B1

公开(公告)日：2003-02-18

申请号：US09419116

申请日：1999-10-15

申请人： Hiroyuki Itoh ,  Kiyoshi Okubo ,  Nobuo Goto ,  Makoto Fujinami ,  Hiroshi Kato

发明人： Hiroyuki Itoh ,  Kiyoshi Okubo ,  Nobuo Goto ,  Makoto Fujinami ,  Hiroshi Kato

IPC分类号： F16H1538

CPC分类号： F16H15/38

摘要： A loading cam apparatus for a toroidal type continuously variable transmission includes: a first cam surface formed to have concave and convex portions thereon along a circumferential direction thereo, a second cam surface formed to have concave and convex portions thereon along a circumferential direction thereof and to oppose to the first cam surface along an axial direction thereof, a plurality of rolling elements sandwiched between the first cam surface and the second cam surface, and a retainer for holding the plurality of rolling elements in a freely rotatable state. The retainer includes a retainer main body of a circular annular shape, and pockets provided at outer periphery portions of the retainer main body for holding the plurality of rolling elements, respectively. The retainer main body is formed by carbonitriding material of iron system with a carbon concentration in a range from 0.02 to 0.20 wt % both inclusive.

摘要翻译： 一种用于环形无级变速器的装载凸轮装置，包括：第一凸轮表面，沿其圆周方向形成为具有凹凸部，第二凸轮面沿其圆周方向形成为具有凹凸部， 与第一凸轮面沿其轴向对置，夹在第一凸轮表面和第二凸轮表面之间的多个滚动元件以及用于将多个滚动元件保持在可自由旋转状态的保持器。 保持器包括圆形环形保持器主体和设置在保持器本体的外周部分上的用于保持多个滚动元件的凹穴。 保持器主体由碳浓度为0.02〜0.20重量％的铁系的碳氮共渗材料形成。

公开(公告)号：US06383112B1

公开(公告)日：2002-05-07

申请号：US09418995

申请日：1999-10-14

申请人： Hiroyuki Itoh ,  Nobuo Goto ,  Makoto Fujinami ,  Takashi Imanishi ,  Hiroshi Kato

发明人： Hiroyuki Itoh ,  Nobuo Goto ,  Makoto Fujinami ,  Takashi Imanishi ,  Hiroshi Kato

IPC分类号： F16H1538

CPC分类号： F16H15/38

摘要： In the toroidal-type continuously variable transmission, the torque transmission shaft 15 includes a flange portion 29a formed in one end thereof, while a securing portion 43 is formed in the end-face side half section of the flange portion 29a so as to be able to secure a tool thereto when tightly fastening a loading nut 19 to a external thread portion 40 formed in the torque transmission shaft 15. And, the outer peripheral surface of the securing portion 43 is formed as a polygonally cylindrical shape having four or more flat surfaces. Also, after the torque transmission shaft 15 is heat-carburized and the surface of a cylindrical portion 44 formed in the torque transmission shaft 15 is removed, the external thread portion 40 is worked, which makes it possible not only to secure the hardness of the adjoining portions of the external thread portion 40 but also to control the hardness of the external thread portion 40 itself. Further, branch oil supply passages 39 and 39 used to supply oil to ball splines 17 and 17 are formed at the positions of the torque transmission shaft 15 that are shifted in the axial direction of the torque transmission shaft 15 from the positions of balls 37, 37, which respectively construct the ball splines 17 and 17.

摘要翻译： 在环形无级变速器中，扭矩传递轴15包括在其一端形成的凸缘部29a，而在凸缘部29a的端面侧半部形成有固定部43，从而能够 当将加载螺母19紧固到形成在扭矩传递轴15中的外螺纹部40上时，固定工具。固定部43的外周面形成为具有四个以上平面的多边形 。 此外，在转矩传递轴15被热渗碳并且形成在转矩传递轴15中的圆筒部44的表面被去除之后，外螺纹部40被加工，这不仅可以确保 外螺纹部分40的相邻部分，而且还用于控制外螺纹部分40本身的硬度。 此外，用于向滚珠花键17,17供给油的分支供油路39,39形成在转矩传递轴15的从转矩传递轴15的轴向偏移的位置， 37，分别构成球形花键17和17。

公开(公告)号：US06413188B2

公开(公告)日：2002-07-02

申请号：US09886122

申请日：2001-06-22

申请人： Takashi Imanishi ,  Nobuo Goto ,  Makoto Fujinami ,  Hiroshi Kato ,  Nobuaki Mitamura ,  Hiroyuki Itoh ,  Seiji Higuchi ,  Hiroshi Fukushima

发明人： Takashi Imanishi ,  Nobuo Goto ,  Makoto Fujinami ,  Hiroshi Kato ,  Nobuaki Mitamura ,  Hiroyuki Itoh ,  Seiji Higuchi ,  Hiroshi Fukushima

IPC分类号： F16H5532

CPC分类号： F16H15/38

摘要： A toroidal type continuously variable transmission, includes: at least one pair of disks concentrically disposed on each other and rotatably supported independent from each other; a trunnion swingable about a pivot shaft; a displacement shaft including a support shaft portion and a pivot shaft portion that are parallel and eccentric to each other, the support shaft portion rotatably supported to the circular hole of the trunnion through a radial bearing, the pivot shaft portion being protruded from an inner surface of the middle portion of the trunnion; a power roller nipped between the concave surfaces of the pair of disks while being rotatably supported on an outer circumferential surface of the pivot shaft portion; and a thrust bearings located between the power roller and the inner surface of the middle portion of the trunnions. An eccentric quantity of the displacement shaft being a distance between the support shaft portion and the pivot shaft portion is within a range from 5 mm to 15 mm.

摘要翻译： 一种环形无级变速器，包括：彼此同心地设置并且彼此独立地可旋转地支撑的至少一对盘; 枢轴绕枢轴摆动的耳轴; 包括彼此平行和偏心的支撑轴部分和枢转轴部分的位移轴，所述支撑轴部分通过径向轴承可旋转地支撑在耳轴的圆形孔中，所述枢轴部分从内表面突出 的耳轴中部; 动力辊被夹在所述一对盘的凹面之间，同时被可旋转地支撑在所述枢轴部的外周面上; 以及位于动力辊和耳轴的中部的内表面之间的推力轴承。 作为支承轴部与枢轴部之间的距离的位移轴的偏心量在5mm〜15mm的范围内。

公开(公告)号：US06387010B2

公开(公告)日：2002-05-14

申请号：US09822428

申请日：2001-04-02

申请人： Hiroyuki Itoh ,  Hisashi Machida ,  Nobuo Goto ,  Makoto Fujinami ,  Hiroshi Kato

发明人： Hiroyuki Itoh ,  Hisashi Machida ,  Nobuo Goto ,  Makoto Fujinami ,  Hiroshi Kato

IPC分类号： F16H1538

CPC分类号： F16H15/38

摘要： In order to facilitate an assembling operation of a structure which is correctly operated with a proper positional relation, in a power roller unit for a toroidal type continuously variable transmission according to the present invention, a displacement shaft, a power roller, a radial needle bearing, a thrust ball bearing and a thrust needle bearing are pre-assembled to a trunnion. After dimensional relations and operation conditions of the constructural parts of the assembly or unit are ascertained, the assembly is assembled within a housing together with other unit, thereby completing the toroidal type continuously variable transmission.

摘要翻译： 在本发明的环形无级变速器的动力辊单元中，为了便于以正确的位置关系正确操作的结构的组装动作，可以使用位移轴，动力辊，径向滚针轴承 推力球轴承和推力滚针轴承预先组装到耳轴。 在确定组件或单元的构造部件的尺寸关系和操作条件之后，将组件与其他单元一起组装在壳体内，从而完成环形型无级变速器。

公开(公告)号：US06238318B1

公开(公告)日：2001-05-29

申请号：US09277959

申请日：1999-03-29

申请人： Hiroyuki Itoh ,  Hisashi Machida ,  Nobuo Goto ,  Makoto Fujinami ,  Hiroshi Kato ,  Takashi Imanishi

发明人： Hiroyuki Itoh ,  Hisashi Machida ,  Nobuo Goto ,  Makoto Fujinami ,  Hiroshi Kato ,  Takashi Imanishi

IPC分类号： F16H1538

CPC分类号： F16H15/38

摘要： In order to facilitate an assembling operation of a structure which is correctly operated with a proper positional relation, in a power roller unit for a toroidal type continuously variable transmission according to the present invention, a displacement shaft, a power roller, a radial needle bearing, a thrust ball bearing and a thrust needle bearing are pre-assembled to a trunnion. After dimensional relations and operation conditions of the constructural parts of the assembly or unit are ascertained, the assembly is assembled within a housing together with other unit, thereby completing the toroidal type continuously variable transmission. That is to say, according to the present invention, since the dimensional relations and operation conditions of the constructural parts can be ascertained in a condition such parts can easily be disassembled and re-assembled, a structure in which the positional relation between the constructural parts is maintained with high accuracy can be manufactured cheaply without any troublesome operations.

摘要翻译： 为了便于以正确的位置关系正确地操作的结构的组装操作，在根据本发明的环形无级变速器的动力辊单元中，容置轴，动力辊，径向滚针轴承 推力球轴承和推力滚针轴承预先组装到耳轴。 在确定组件或单元的构造部件的尺寸关系和操作条件之后，将组件与其他单元一起组装在壳体内，从而完成环形型无级变速器。 也就是说，根据本发明，由于能够容易地拆卸和重新组装这些部件的状态来确定构造部件的尺寸关系和操作条件，所以可以将结构部件之间的位置关系 保持高精度可以廉价制造，无需任何麻烦的操作。

公开(公告)号：US06328669B1

公开(公告)日：2001-12-11

申请号：US09344380

申请日：1999-06-25

申请人： Takashi Imanishi ,  Nobuo Goto ,  Makoto Fujinami ,  Hiroshi Kato ,  Nobuaki Mitamura ,  Hiroyuki Itoh ,  Seiji Higuchi ,  Hiroshi Fukushima

发明人： Takashi Imanishi ,  Nobuo Goto ,  Makoto Fujinami ,  Hiroshi Kato ,  Nobuaki Mitamura ,  Hiroyuki Itoh ,  Seiji Higuchi ,  Hiroshi Fukushima

IPC分类号： F16H5532

CPC分类号： F16H15/38

摘要： A toroidal type continuously variable transmission, includes: at least one pair of disks concentrically disposed on each other and rotatably supported independent from each other; a trunnion swingable about a pivot shaft; a displacement shaft including a support shaft portion and a pivot shaft portion that are parallel and eccentric to each other, the support shaft portion rotatably supported to the circular hole of the trunnion through a radial bearing, the pivot shaft portion being protruded from an inner surface of the middle portion of said trunnion; a power roller nipped between the concave surfaces of the pair of disks while being rotatably supported on an outer circumferential surface of the pivot shaft portion; and a thrust bearings located between the power roller and the inner surface of the middle portion of the trunnions. An eccentric quantity of the displacement shaft being a distance between the support shaft portion and the pivot shaft portion is within a range from 5 mm to 15 mm.

公开(公告)号：US06176805B1

公开(公告)日：2001-01-23

申请号：US09288812

申请日：1999-04-09

申请人： Hiroyuki Itoh ,  Nobuo Goto ,  Makoto Fujinami ,  Hiroshi Kato

发明人： Hiroyuki Itoh ,  Nobuo Goto ,  Makoto Fujinami ,  Hiroshi Kato

IPC分类号： F16H1538

CPC分类号： F16H57/04 ,  F16C19/163 ,  F16C33/58 ,  F16C2240/76 ,  F16H15/38

摘要： An angular bearing of a dual cavity toroidal type continuously variable transmission, includes: a torque input shaft having a shaft-side raceway groove formed in an outer peripheral surface of a flange portion provided in an end thereof; a loading cam unit of a loading cam unit having a disc-side raceway groove formed in an inner peripheral surface of a jointing opening thereof, the loading cam unit located around the end of the torque input shaft; and a plurality of balls held between the shaft-side raceway groove and the disc-side raceway groove to bear thrust loads exerted on the cam disc, wherein each of an angular contact angle between the balls and the shaft-side raceway groove and an angular contact angle between the balls and the disc-side raceway groove is 60° or smaller, and each of a curvature radius of a groove surface of the shaft-side raceway groove and that of a groove surface of the disc-side raceway groove is from 52% to 55% of a diameter of the ball.

摘要翻译： 双腔环形无级变速器的角轴承包括：扭矩输入轴，其具有形成在设置在其一端的凸缘部的外周面中的轴侧滚道槽; 装载凸轮单元，其具有形成在其接合开口的内周面中的盘侧滚道槽，装载凸轮单元位于扭矩输入轴的端部周围; 以及保持在所述轴侧滚道槽和所述盘侧滚道槽之间的多个滚珠，以承受施加在所述凸轮盘上的推力，其中，所述滚珠与所述轴侧滚道槽之间的角度接触角和角度 球与盘侧滚道槽之间的接触角为60°以下，轴侧滚道槽的槽面的曲率半径与盘侧滚道槽的槽面的曲率半径为 52％至55％的球直径。

公开(公告)号：US06261203B1

公开(公告)日：2001-07-17

申请号：US09471340

申请日：1999-12-23

申请人： Masayoshi Shimizuya ,  Makoto Fujinami ,  Hiroyuki Itoh ,  Seiji Higuchi ,  Nobuo Goto

发明人： Masayoshi Shimizuya ,  Makoto Fujinami ,  Hiroyuki Itoh ,  Seiji Higuchi ,  Nobuo Goto

IPC分类号： F16H1538

CPC分类号： F16H15/38 ,  F16C19/463 ,  F16C23/088 ,  F16C33/34 ,  F16C2361/65 ,  F16H61/664 ,  Y10T29/49707

摘要： In the toroidal-type continuously variable transmission, the radial needle roller bearing includes a plurality of needle rollers, the two end portions of each of the needle rollers in the axial direction thereof are crowned, and the crowning amount is set such that, in the portion of the needle roller that is situated by 7-13% of the axial-direction length toward the axial-direction central portion of the needle roller from the axial-direction end face of the needle roller, the crowning amount is 0.1-0.4% of the outside diameter of the axial-direction central portion of the needle roller. Further, in the inner peripheral surface of the output-side disk, there are formed a fitting portion to be fitted outside with a member rotatable in conjunction with the output-side disk and an outer race raceway portion for the needle roller bearing, in the portion of the inner peripheral surface of the output-side disk that is situated near to the inside surface thereof, there is formed a residual compressive stress layer by shot peening, and the outer race raceway portion is ground so as to remove a portion of the residual compressive stress layer, to thereby form the outer race raceway portion as a smooth surface.

摘要翻译： 在环形无级变速器中，径向滚针轴承包括多个滚针，每个滚针的轴向方向的两个端部加冠，并且凸起量被设定为使得在 从针轴的轴向端面向针轴的轴向中心部分位于轴向长度的7-13％的针辊部分，凸面量为0.1-0.4％ 的滚针轴向中心部分的外径。 此外，在输出侧盘的内周面上形成有嵌合部，该配合部配合有与输出侧盘一起旋转的构件和用于滚针轴承的外座圈滚道部， 输出侧盘的内周面的位于其内表面附近的部分，通过喷丸硬化形成残余压应力层，并且将所述外座圈滚道部分研磨以除去 残余压应力层，从而形成外圈滚道部分为光滑表面。

公开(公告)号：US06174257B1

公开(公告)日：2001-01-16

申请号：US09108174

申请日：1998-07-01

申请人： Takashi Imanishi ,  Nobuaki Mitamura ,  Nobuo Goto ,  Makoto Fujinami ,  Hiroshi Kato

发明人： Takashi Imanishi ,  Nobuaki Mitamura ,  Nobuo Goto ,  Makoto Fujinami ,  Hiroshi Kato

IPC分类号： F16H1538

CPC分类号： F16H15/38 ,  F16C33/64

摘要： An outer race of a thrust ball bearing supporting a thrust load applied to a power roller is rotatably supported around a displacement shaft. A portion in which the contact pressure between an outer race track and the rolling surface of a rolling member is high changes so that the fatigue of the outer race track does not progress locally. Also, the power roller and the outer race are subjected to predetermined treatment and working. Irrespective of a great thrust load applied during operation, stress is alleviated and the lubricating property of the portion of contact is made good to thereby prevent cracks or early wear from occurring.

摘要翻译： 支撑施加到动力辊的推力负载的推力球轴承的外圈围绕位移轴可旋转地支撑。 外圈和滚动体的滚动面之间的接触压力高的部分发生变化，使得外圈的疲劳不会局部地进行。 此外，动力辊和外圈经受预定的处理和加工。 不管运行时施加的很大的推力负荷，减轻应力，使接触部分的润滑性良好，从而防止发生裂纹或早期磨损。