Powertrain has clutches and brakes selectively engaged to establish eight forward speed ratios and one reverse speed ratio between transmission input and output sections

摘要

A ring gear (18C) of planetary gear set (18) is interconnected with sun gear (20A) of planetary gear set (20). A brake (B1) is selectively engaged to interconnect sun gears (16A,18A) of respective planetary gear sets (16,18) with transmission housing (11). A brake (B2) is selectively engaged to interconnect the ring gear (16C) of planetary gear set (16) with the transmission housing. The clutches (C1-C3) and brakes are selectively engaged to establish eight forward speed ratios and one reverse speed ratio between transmission input and output sections (12,14).