Schematic diagram of a dual-clutch transmission: This shows the layout of two side-by-side single-plate clutches. All of these early Dual clutch transmission pdf free download twin-clutch installations featured a single dry clutch and multiplate wet clutch. DCTs available in series production automobiles. In 2010, on BMW Canada’s website for the 3 Series Coupe, it is described both as a seven-speed double-clutch transmission and as a seven-speed automatic transmission.
It is a dual-clutch automatic. DCTs are the fastest-shifting road car transmission available and are even able to shift faster than a professional racing driver using a manual transmission. Also, with a DCT, shifts can be made more smoothly than with a single-clutch AMT, making a DCT more suitable for conventional road cars. Currently, three variations of clutch installation are used.
A later variation uses two separate but identically sized clutches. European automotive manufacturers to incorporate their components in DCTs. China Automobile Development United Investment Co. The company has produced various dual-clutch transmission modules beginning in 2011. 6-7 trucks in North America – Procision.
DCT with an integrated electric motor, providing hybrid capability. Another spin-off from this design was the FEV xDCT that provides 10 forward speeds, but with the mechanical complexity of a standard six-speed DCT. Getrag has developed the 6DCT250 dry clutch DCT for use in front wheel drive transverse applications. However, due to the global economic downturn, this was subsequently cancelled. The first application was the Renault Espace with a 1. 6 L, Turbo GDI engine. They planned to have it in production by 2010.