GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES

摘要

PURPOSE: A vehicle automatic transmission gear train is provided to reduce the capacity of oil pump and increase the oil pressure control efficiency by comprising first through third planetary gear sets arranged on the same axis. CONSTITUTION: A first planetary carrier(PC1) comprises a first rotation element(N1). A first ring gear(R1) comprises a second rotation element(N2). Second and third planetary gear sets(PG2, PG3) directly connects the second and third sun gears. The second and third planetary carriers comprise a sixth rotation element(N6). A second ring gear(R2) comprises a seventh rotation element.