Development of the positive engagement continuously variable transmission design with the application of graph theory

If we summarize the tech-

Viktor Ivanov; Galyna Urum; Svitlana Ivanova; Mariia Volkova

2018

Scholarcy highlights

  • There are several areas where application of contin­ uously variable transmission ensures higher technical performance of machines
  • Such car manufacturers as Honda, Toyota, Ford, and Nissan have been working on the improvement of CVTs which successfully compete with automatic gearboxes
  • The original design of the CVT, in which load is transmitted by gear engagement without using friction disks and flexible sections, was developed
  • The CVT has minimum dimensions and weight compared with the known designs of both friction and chain CVTs
  • A continuously variable of transmission ratio is ensured by a gear wheel with a variable pitch, composed of three gear sectors, two of which are involved in meshing, and the third unloaded sector performs a turn with angular velocity that is more than the velocity of rotation of the output shaft until it takes the position before coming into mesh
  • Rational design of the positive engagement contin­ uously variable transmission must be split flow with the number of teeth of the sectors not less than four

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