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    • 2. 发明专利
    • Continuously variable transmission
    • 连续可变传输
    • JP2007120718A
    • 2007-05-17
    • JP2005317078
    • 2005-10-31
    • Mikuni Corp株式会社ミクニ
    • SEKIYA MITSURU
    • F16H15/50
    • PROBLEM TO BE SOLVED: To provide a continuously variable transmission which can exactly make shift control while reducing its size.
      SOLUTION: The continuously variable transmission comprises a rotor type continuously variable transmission mechanism including a carrier 30 which integrally rotates with an input shaft 20, a sun roller 50 which integrally rotates with an output shaft 40, a plurality of planetary rollers 60 which come into contact with the sun roller, and are rotatably supported by the carrier 30, and can revolve around the sun roller 50, a ring roller 70 which inscribes the planetary rollers 60, and a traction rotor 90 which continuously changes the relative rotational speed of the carrier 30 and the ring roller 70. The control mechanisms 100, 110 or 120, 130 for controlling gear ratio or traction force by means of the rotor type continuously variable transmission mechanism, and a control means C for carrying out the feedback control of the drive of the adjusting mechanism based on a specified detected information are provided. By this configuration, the size of the continuously variable transmission can be reduced, and also the rotational speed to be transmitted from the input shaft to the output shaft can be exactly changed and controlled, and further the rotational torque can be surely transmitted.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种可以在减小其尺寸的同时精确地进行换档控制的无级变速器。 解决方案:无级变速器包括转子型无级变速机构,其包括与输入轴20一体旋转的托架30,与输出轴40一体旋转的太阳辊50,多个行星辊60, 与太阳辊接触,并且由支架30可旋转地支撑,并且能够围绕太阳辊50旋转,嵌套行星辊60的环形辊70和连续地改变行星辊60的相对转动速度的牵引转子90 载体30和环形滚轮70.用于通过转子型无级变速机构控制齿轮比或牵引力的控制机构100,110或120,130以及用于执行转子式无级变速机构的反馈控制的控制装置C 提供了基于指定检测信息的调节机构的驱动。 通过这种结构,可以减小无级变速器的尺寸,并且可以精确地改变和控制从输入轴传递到输出轴的转速,进一步确保转矩。 版权所有(C)2007,JPO&INPIT
    • 3. 发明专利
    • POWER TRANSMISSION DEVICE
    • JPH07239004A
    • 1995-09-12
    • JP2988394
    • 1994-02-28
    • UNISIA JECS CORP
    • SHIOYAMA SHUICHIROTAKESHITA TOSHIMISHIRAI TAKAYUKI
    • F16H1/28F16H15/50
    • PURPOSE:To provide a power transmission device capable of obtaining a large speed reduction ratio easily while whole structure is being simplified. CONSTITUTION:An upper stage input rotating body 1A and a lower stage input rotating body 1B are installed integrally at the top end of an input shaft 1. Multiple upper stage intermediate rotating bodies 4 which are separated from each other in circumferential direction and can make self-rotation only are installed engagedly with the upper stage input rotating body 1A. Also multiple lower stage intermediate rotating bodies 5 which are separated from each other in circumferential direction and can make self-rotation and revolution are installed engagedly with the lower stage input rotating body 1B. Then a cylindrical member 6 is so installed that its internal surface is engaged with the intermediate rotating bodies 4 and 5, and can be self-rotated. By this, a speed reduction ratio is determined by the difference between the pitch diameter (a) of the upper stage input rotating body 1A and the pitch diameter (c) of the lower stage input rotating body 1B. Thus a large speed reduction ratio can be obtained easily.
    • 6. 发明专利
    • SPEED CHANGE GEAR
    • JPH02212651A
    • 1990-08-23
    • JP3204289
    • 1989-02-10
    • ITO KAZUICHI
    • ITO KAZUICHI
    • F16H15/50F16H15/52
    • PURPOSE:To enable the reduction of local friction of a rolling body and the like through enlargement of a speed change range by a method wherein rotation of an input shaft is transmitted to the rolling body, and the rolling body is revolved as it is rotated in a state to make contact with first and second guide surfaces and a guide groove. CONSTITUTION:When, by a transmission gear, a cylinder member 5 is moved laterally, a round part 6a of a rolling body 6 engaged with a guide groove 26 is moved laterally in a state to be engaged with the groove 26, and inclination of the rolling body 6 is changed. However, since a size relation is established among first and second guide surfaces 14 and 17, the groove 26, the round part 6a of the rolling body 6, and a spherical part 6b, even when inclination is changed, a contact state therebetween can be held. Since through rotation of an input shaft 2, a force, by which an input member 10 is forced to approach the rolling body 6, is exerted on the input member, contact of the rolling body 6 with the guide surfaces 14 and 17 and the groove 26 is further ensured. Rotation of the input member 10 occasioned by rotation of the input shaft 2 is transmitted to the rolling body 6, the rolling body 6 is revolved as it is rotated in a state that the rolling body is brought into contact with the guide surfaces 14 and 17 and the groove 26. A current differential action causes the change of the speed of rotation of the input shaft 2 to transmit it to an output shaft 3.
    • 10. 发明专利
    • CONTINUOUSLY VARIABLE TRANSMISSION
    • JPS6440752A
    • 1989-02-13
    • JP19451487
    • 1987-08-05
    • BRIDGESTONE CYCLE CO
    • TAKAMIYA KIKUZOTAMURA YOSHITAKAHIRAI KIYOBUMI
    • F16H25/06F16H13/14F16H15/50F16H15/52F16H37/02
    • PURPOSE:To improve the efficiency of transmission by pressing a driven frictional wheel against a driving frictional ring by the action of a cylindrical end face cam rotated together with a driven rotor to give a thrust to a movable driven rotor. CONSTITUTION:A driving frictional ring 39 fitted on a driving frictional wheel 38 through a spline is constituted to be pinched by driven frictional wheels 54, 56 provided respectively on a driven rotor 48 and a movable driven motor 57. When a slip takes place between the driven frictional wheels 54, 56 and the driven frictional ring 39, a rotary phase difference takes place between the driven rotor 48 and the movable driven rotor 57. As a result, the driven frictional wheels 54, 56 are pressed against the driving frictional ring 39 by the action of cylindrical end face cams 65, 72 harder than they are previously pressed. That is, these cylindrical end face cams 65, 72 act as a toggle joint to increase a contact force of frictional wheels if any slip takes place between the frictional wheels. Thus, the slip along with the increase of a load is remarkably reduced to improve the efficiency of transmission.