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Schematic of a DCT (using two identical clutches located on the axis of the flywheel) A dual-clutch transmission (DCT) (sometimes referred to as a twin-clutch transmission) is a type of multi-speed vehicle transmission system, that uses two separate clutches for odd and even gear sets. [1]
A direct-shift gearbox (DSG, German: Direktschaltgetriebe [1]) [2] [3] is an electronically controlled, dual-clutch, [2] multiple-shaft, automatic gearbox, in either a transaxle or traditional transmission layout (depending on engine/drive configuration), with automated clutch operation, and with fully-automatic [2] or semi-manual gear selection.
Most big-block V8 powered cars/trucks of the 1960s and 1970s in the North American market, All Fseries trucks without O/D, 80 thru 96 (97 For F250HD, F350, and F-Superduty models) 1974–1989 C3—Light-duty, smaller than the C4; 1982–1986 C5—Improved C4, with a lock-up converter; 1985–1994 A4LD—C3 with overdrive
Historically, a dual-clutch transmission shifts faster than a standard hydraulic automatic transmission with a torque converter or a single-clutch automated manual transmission. This is possible because the DCT can pre-select the next gear and transfer torque from one clutch to the next clutch with the pre-selected next gear, thus reducing ...
Aisin is a Japanese corporation that develops and produces components and systems for the automotive industry, in particular automobile transmissions for passenger cars and SUVs, light commercial vehicles such as vans and light trucks. Aisin is a member of the Toyota Group of companies. Therefore, the transmissions of both manufacturers are ...
They may be used in passenger cars and SUVs, or light commercial vehicles such as vans and light trucks. Aisin is a company of the Toyota Group . Therefore, the transmissions of both manufacturers are often based on identical gearset concepts.
The operation of a dual-clutch transmission is analogous to two traditional manual transmissions, each with its own clutch, operating in parallel and alternating shifts. The Ford unit is a six-speed with one clutch acting on reverse, first, third, and fifth gears, and the other used for second, fourth, sixth gears.
In many light-duty vehicles, skilled drivers can slip the clutch just barely enough to hold the vehicle from much rollback during the second while the right foot is moving from the brake pedal to the accelerator pedal; this method effectively solves the hill-holding problem without any parking brake use and with negligible clutch life reduction ...