KALYANI GOVT. ENGG. COLLEGE

SEMINAR PRESENTATION ON

Dual clutch transmission

PRESENTED BY: BISAL KARMAKAR [Roll No.10200715059]

UNDER THE SUPERVISION : DIPAK SANYAL M.TECH(I.I.T KHARAGPUR)

Content

What’s clutchWorking of clutchWhy we need new clutch transmission systemDual clutch Transmission Advantage & Disadvantage of DCT Conclusion

CLUTCH

A clutch is a mechanical device that engage and disengage the power transmission from driver to driven shaft

Allows smooth engagement of engine to transmission

4

CLUTCH PARTS

• Flywheel • Clutch plate • Pressure plate

Working of clutchWhen a gear shifting happens…

Working of clutchFirst, the clutch is opened.

Working of clutchSecond, driver shifts the gear with the

lever.

Working of clutchFinally, the clutch is closed.

Disadvantage

Waste of fuelPower-lost during the gear shiftingDiscomfort

Overview of DCT

In DCT system two clutches are useFirst clutch is engage with odd gearssecond clutch is engage with even gearsThe gear are controlled hydraulically by a

electronic control unit (ECU) which sense the gears position and shifting

Working of DCT

• Power is always transferred to the wheels

Advantages of DCT

No power interruption at gear shiftingVery smooth gear-shift operationsLess fuel consumptionBetter drive and Better comfortDrive faster and faster

Disadvantages of DCT

Expensive to manufacture Heavier than a conventional manual transmission Expensive transmission fluids/lubricants with

additives

Who are using DCT ?

VOLKSWAGENBMWPORSCHE

CONCLUSION

Better fuel economy up to 15% improvement than conventional transmission

DCT system best for Drive faster as well as comfort and performance.

THANK YOU