Lubrication device for automatic transmission

Abstract

A lubrication device for an automatic transmission, the lubrication device includes: a pinion gear unit comprising a pinion shaft and a pinion gear surrounding the pinion shaft, a ring gear unit engaged with the pinion gear, a first thrust bearing coupled to the ring gear unit, a second thrust bearing disposed on one side of the pinion gear, an oil guide coupled to the pinion shaft and guiding the oil, scattering from the first thrust bearing, toward the pinion shaft, a sun gear engaged with the pinion gear and comprising a first oil hole portion through which the oil passes and a second oil hole portion allowing the oil to be supplied toward the second thrust bearing therethrough, and a carrier comprising a third oil hole portion receiving the oil from the first oil hole portion and transferring the received oil toward the first thrust bearing and a fourth oil hole portion receiving the oil from the second thrust bearing and transferring the received oil toward the oil guide.

Dependencies are inferred from the claim text.