Invention Grant
US09222549B2 Multi-speed transmission 有权
多速传输

Multi-speed transmission
Abstract:
A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio. One of the torque transmitting devices includes a friction clutch disposed in parallel with a binary clutch.
Public/Granted literature
Information query
Patent Agency Ranking
0/0