The direct drive transmission system is designed to improve the shifting of gears within the gearbox of a motor vehicle or mechanical drive machine. The direct drive system allows for better cruising at higher gears due to fewer gears connecting the engine to the wheels. This results in less power loss and wear within the system.[1]
How it Works[]
Essentially, the direct drive system provides a shift controller that functions alongside the clutches in order to maintain good connection between the shifting of gears in a gear box. There are two countershafts required in the gearbox for the direct drive system to function, an input countershaft and a second input countershaft.[2] Once the main shaft begins to rotate these intermediate shafts, their rotation within the gearbox is managed directly by a motor that controls the shifting. This allows for an even gear ratio during the rotation of gears, such as a 1:1 gear ratio.[3] The motor not only keeps the rotation of the two input countershafts going, but it also keeps the speed of the rotation consistent, allowing for smoother shifting between gears.[4] This way, power can move directly to the wheels of the vehicle through the motor, due to a smoother functionality within the gearbox.