Transmission assembly with four planetary gear sets providing nine forward and one reverse gear ratio
Automatic transmission for vehicles
Automatic transmission for a vehicle
Family of multi-speed dual-clutch transmissions having three interconnected planetary gear members
Multi-speed dual-clutch planetary transmissions having output shaft interconnected with three gear members
Family of six-speed dual-clutch transmissions having two stationary planetary gear members
Multi-speed dual-clutch planetary transmission mechanisms having three interconnecting members
Multi-speed dual-clutch planetary transmission mechanisms having four gear sets and a stationary member
Multi-speed dual-clutch planetary transmissions having three continuously interconnected gear members
ApplicationNo. 11954862 filed on 12/12/2007
US Classes:475/275Transmission includes three relatively rotatable sun gears
ExaminersPrimary: Ho, Ha D.
Foreign Patent References
International ClassF16H 3/62
AbstractA 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 may include clutches and brakes.