Infinitely variable transmission

Transmission systems, assemblies, and components are described. In particular, aspects of the present disclosure relate to an infinitely variable transmission that maintains constant tooth engagement during changes in gear ratio. In one aspect, a transmission includes an axially movable sheave coupl...

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Bibliographische Detailangaben
Hauptverfasser: DECKER, WILLIAM M, ORME, ANDREW J, OLSEN, BRIAN M, BARNUM, BRIAN T, LEE, GARY D, ASTON, ERIC E, DAVID, REGIS A, JONES, ISAAC R, APOSHIAN, STEVEN R, JONES, PETER J
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:Transmission systems, assemblies, and components are described. In particular, aspects of the present disclosure relate to an infinitely variable transmission that maintains constant tooth engagement during changes in gear ratio. In one aspect, a transmission includes an axially movable sheave coupled to a chain. The sheave rotates around a drive axis. At least partially within the sheave is a set of moon gears. The moon gears orbit around the drive axis and are rotable around respective internal axis. As the sheave moves axially, the chain and the set of moon gears move radially to define different gear ratios, with the gear ratios being changeable in infinitely small increments. A synchronization system moves the set of moon gears radially to correspond to the axial position of the sheave. A correction system optionally controls rotation of the moon gears to rotate teeth of the moon gears into alignment with the chain.