Definitions for "Planetary Gears"
A gear set, generally found in automatic transmissions, in which all of the gears are in one plane, grouped around each other like planets around the sun. The central gear is called the "sun gear."
It is a sort of gearset in which all the gears are set around each other like the planets around the sun and also in one planeThe planet gears also have teeth on the inner area of the "ring gear." Planetary gearsets are usually found in automatic transmissions.
A gear set, mostly found in automatic transmissions, in which all of the gears are on the same plane, grouped around each other like planets, with the central gear being the ""sun gear.""