Maximum mechanical efficiency of infinitely variable transmissions

Hong Sen Yan, Long Chang Hsieh

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

Equations for the mechanical efficiency of infinitely variable transmissions (IVT) are derived. As a result, we conclude that: (1) an IVT is of input-coupled type, (2) the mechanical efficiency of an IVT depends only on its allowable maximum speed ratio (Rr)aow, (3) the mechanical efficiency of an IVT can only be improved by increasing (Rv)aow, the efficiency of planetary gear train (ηpr) and the efficiency of continuously variable unit (ηv), and (4) an IVT with five-member planetary gear train of type I power flow has maximum mechanical efficiency. A design example is also presented.

Original languageEnglish
Pages (from-to)777-784
Number of pages8
JournalMechanism and Machine Theory
Volume29
Issue number5
DOIs
Publication statusPublished - 1994 Jul

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Mechanics of Materials
  • Mechanical Engineering
  • Computer Science Applications

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