Patent Number: 6,309,322

Title: Power train of automatic transmission

Abstract: A power train of automatic transmission constructed to arrange a transfer drive gear and an over drive clutch before a planetary gear set and to arrange an under drive clutch, an reverse clutch second speed brake, a low reverse brake, one-way clutch low, while a double pinion planetary gear set is assembled to an input shaft receiving a rotating power from engine for rotation to thereby embody a speed shift of four advance speeds and one reverse speed, the power train comprising: an under drive clutch connected to a rear of under drive sun gear via a first power transmission member; a reverse clutch connected to a rear of reverse sun gear via a second power transmission member; a second speed brake mounted at a transmission house for restraining rotation of the second power transmission member; a one-way clutch connected to a rear of long pinion via a third power transmission member and disposed at the transmission housing: a low reverse brake branched from the third power transmission member to be connected to the transmission housing; an over drive clutch for variably connecting an input axle to a planetary carrier; and a transfer drive gear connected to a front of annulus gear via a bearing.

Inventors: Shim; Hyu-Tae (Kyunggi-do, KR)

Assignee: Hyundai Motor Company

International Classification: F16H 3/44 (20060101); F16H 3/66 (20060101); F16H 003/44 ()

Expiration Date: 10/30/2018