シャフトドライブ式無段変速機の研究 : 第4報,カウンタ軸の効果(機械要素,潤滑,工作,生産管理など)

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書誌事項

タイトル別名
  • Study of Shaft Drive Continuously Variable Transmission : 4th Report, Effect of Counter Shaft(Machine Elements and Manufacturing)
  • シャフトドライブ式無段変速機の研究(第4報)カウンタ軸の効果
  • 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4ホウ カウンタジク ノ コウカ

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抄録

A novel mechanism CVT (Shaft Drive CVT) was developed by the authors. In the mechanism, the input and output shafts with conical disks are parallel and an idler shaft with 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 linear motion causes the speed to vary by changing the contact point between the input/output disk and the idler roller. The backup conical roller, which is mounted to the opposite side of the idler roller, is useful to enlarge the amount of transmitted torque. But it has a problem that the speed efficiency decreases largely when the loaded torque becomes to an allowable torque. To solve this problem, a counter shaft mechanism that connects the two backup rollers is proposed. It adds a new torque path and prevents the increase of slip. The effect of counter shaft is examined theoritically and confirmed by the experiment using the prototype CVT. The efficiency of 2 percentage points was improved by using the counter shaft.

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