Kinematic Modeling and Analysis of a Cam Based CVT

Paper #:
  • 2013-01-1371

Published:
  • 2013-04-08
DOI:
  • 10.4271/2013-01-1371
Citation:
Hickman, G., Gu, R., and Chang, Y., "Kinematic Modeling and Analysis of a Cam Based CVT," SAE Technical Paper 2013-01-1371, 2013, https://doi.org/10.4271/2013-01-1371.
Pages:
9
Abstract:
Continuously variable transmission (CVT) offers many advantages to vehicle performance over traditional transmission technologies. A novel cam based CVT was proposed in US patent # 4,603,240, by J. Klovstad and J. Fortune [1], which has a cam input to drive an angle dependent, clutch actuated output shaft. Based on the patented CVT, a kinematic simulation, utilizing three dimensional CAD software was performed, creating a visualization and analysis model to ascertain system performance and feasibility. This article describes the mechanism created, limitation of the modeling software and the approach utilized to overcome these limitations. The resultant motion is then analyzed to ascertain the performance of the mechanism and determine the viability of the design concept. Key improvements to the system are proposed to the design, based on system performance through this analysis.
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