epicyclic gear


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Noun1.epicyclic gear - an outer gear that revolves about a central sun gear of an epicyclic trainepicyclic gear - an outer gear that revolves about a central sun gear of an epicyclic train
epicyclic gear train, epicyclic train - a system of epicyclic gears in which at least one wheel axis itself revolves about another fixed axis
cogwheel, gear, gear wheel, geared wheel - a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion
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References in periodicals archive ?
Rather than a conventional epicyclic gear with meshing teeth, a Rotrex traction-drive system that uses oil viscosity to transfer motion between the sun, planets and annulus, has been adopted.
A unique epicyclic gear reducer provides a large mechanical gear ratio with few components.
The curious thing about it all was the epicyclic gear system which drew inspiration from the great Frederick Lanchester.