シャフトドライブ式無段変速機の研究　　（第１報，機構の提案と試作）

DOI Web Site Web Site 被引用文献11件 参考文献17件

書誌事項

タイトル別名
  • Study of Shaft Drive Continuously Variable Transmission (1st Report, Analysis of Mechanism and Prototype)
  • シャフトドライブシキ ムダン ヘンソクキ ノ ケンキュウ ダイ1ポウ キコウ ノ テイアン ト シサク
  • 1st Report, Analysis of Mechanism and Prototype
  • 第1報, 機構の提案と試作

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抄録

The crossed axle traction drive developed by the authors is applied to a new mechanism of CVT. The input and output shafts with conical disks are parallel and a idler shaft having conical rollers at both ends is placed perpendicular to the input/output shafts. This idler shaft transmits torque from the input shaft to the output shaft and its movement produces the speed variation by changing the contact point between the input/output disk and the idler roller. The purposes of this study are to propose the new CVT mechanism, to develop a prototype to confirm the CVT to work and to evaluate the transmission efficiency. The design procedure of disk and roller are shown by geometrical analysis and the method to apply contact force by using a loading cam is examined. The influence of a spin caused by changing the contact point and torque loss of bearings to the transmission efficiency are evaluated. The range of speed changing ratio of the prototype is 0.5 to 2. The efficiency of 75% was obtained in case of input torque 10 Nm at uniform speed.

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