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Dual clutch-transmission

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Dual clutch-transmission

  1. 1. DUAL CLUTCH TRANSMISSION Group of Engineers Presented by:
  2. 2. INTRODUCTION • Power Transmission from Engine to wheels. • Dual clutch Transmission Semi automatic or automated manual transmission system which uses two separate clutches for odd and even gears in synchromesh. • The gears are controlled Hydraulically by a Electronic control module which senses the gear position and shifting in semi-automated manner.
  3. 3. SINGLE CLUTCH TRANSMISSION • In this kind of transmission there is only one clutch system and when the operator has to change a gear he needs to press the clutch pedal to operate the gear lever. From clutch
  4. 4. DUAL CLUTCH TRANSMISSION • Dual clutch transmission, it is two separate manual gearboxes contained within one housing, and working as one unit • Sophisticated electronics and hydraulics control the clutches. One clutch controls the odd gears while the other controls the even gears
  5. 5. DCT ARRANGEMENT • DCT has one lay shaft like a normal gearbox, but two output shafts. One output shaft has 1st, 3rd and 5th gears on it while the other has 2nd, 4th and 6th. • The lay shaft is actually two shafts one inside the other connected to two concentric clutches at the end.
  6. 6. WORKING OF DCT
  7. 7. WORKING OF DCT
  8. 8. WORKING OF DCT
  9. 9. DUAL CLUTCH TRANSMISSION
  10. 10. ADVANTAGES • Better fuel economy up to 15% improvement than conventional transmission. • No loss of torque transmission from the engine to the driving wheels during gear shifts • Extremely fast up-shift time of 8 milliseconds • Very smooth gear-shift operations.
  11. 11. DISADVANTAGES • Relatively expensive to manufacture and therefore increases new vehicle purchase price • Heavier than a conventional manual transmission • Expensive transmission fluids/lubricants with dedicated additives are required, which need changing on a regular basis
  12. 12. CONCLUSION • New environmental and fuel efficiency legislation have triggered new automated transmission technologies. The most likely winner that will replace traditional system will be the dual clutch transmission (DCT) as it offers the best of fuel efficiency as well as comfort and performance.
  13. 13. REFERENCES • www.Howstuffworks.com • www.Wikipedia.org • www.slideshare.net/kilobytesumeet/ • www.youtube.com/honda%20DCT%20module/ • C-CUBE group of engineers/
  14. 14. THANK YOU ! Group of Engineers

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