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TT-049-0905

TT-049-0905. Trainer Information Seven-speed dual-clutch gearbox 0AM. Contents. Special features. Design. Oil circuit/hydraulics. Gearbox management. Functional diagram. Special features. Hillstart control system. Tip gear selection. F 71 V_011. Gear changes between accelerating.

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TT-049-0905

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  1. TT-049-0905 Trainer InformationSeven-speed dual-clutch gearbox 0AM

  2. Contents • Special features • Design • Oil circuit/hydraulics • Gearbox management • Functional diagram

  3. Special features Hillstart control system Tip gear selection F 71 V_011 Gear changes between accelerating Parking lock

  4. Design R 5 7 6 R1 1 3 4 2 • Torque curve Output shaft 3 Clutch K1 Input shaft 1 Output shaft 2 Input shaft 2 Clutch K2 Output shaft 1 Gear wheel for final drive

  5. Design • Drive shafts Input shaft 1 Input shaft 2 Knock-out splines Ball bearing

  6. Design • Drive shafts Input shaft 1 Input shaft 2 Impulse rotor for G612 Impulse rotor for G632 Ball bearing 1st gear 7th gear 5th gear 3rd gear 6th / 4th gear 2nd gear/R Ball bearing

  7. Design • Output shaft 1 3rd gear 2nd gear 1st gear 4th gear Output gear Sliding sleeve, gear 2/4 Sliding sleeve, gear 1/3

  8. Design • Output shaft 2 7th gear R gear 1 5th gear 6th gear Output gear Sliding sleeve, gear 5/7 R gear 2 Sliding sleeve, 6th/R gear

  9. Design • Output shaft 3 Gear wheel, reverse gear Parking lock gear Output gear Sliding sleeve, reverse gear

  10. Design • Differential Gear wheel for final drive

  11. Oil circuit/hydraulics Pressure accumulator G270 V401 N436 N440 N433 N434 N435 N437 N438 N439 Working pressure Return Regulated working pressure

  12. Oil circuit/hydraulics • Design of solenoid valve block Back to oil tank Regulated volumetric flow Sub-gearbox oil pressure Junction rail Main pressure channel N433 N434 N435 N436

  13. Oil circuit/hydraulics • Gear and clutch actuator valve Back to oil tank Regulated volumetric flow to gear and clutch actuator Control piston From part gearbox oil pressure channel Magnet core Solenoid coil

  14. Oil circuit/hydraulics • Sub-gearbox pressure regulator N436/440 Back to oil tank Sub-gearbox oil pressure From main pressure channel Control piston Magnet core Solenoid coil

  15. Pressure accumulator Oil filter Oil circuit/hydraulics Ball that enables bypass.

  16. Oil circuit/hydraulics • Gear actuator and selector fork Gear actuator 5, 7 Travel sensor Gear actuator 6, R Permanent magnet Selector fork Gear actuator 2, 4 Gear positioner piston Gear actuator 1, 3

  17. Oil circuit/hydraulics • Gear actuator and selector fork N 436 N 433 Front piston chamber Gear positioner piston Rear piston chamber

  18. Gearbox management • Sensors Clutch travel sender 1 G617Clutch travel sender 2 G618 Secondary evaluation coil Iron core Primary coil Applied alternating voltage Clutch actuator plunger Permanent magnet Evaluation voltage

  19. Gearbox management • Sensors Gearbox input speed sensor 3 G641

  20. Gearbox management • Sensors Gearbox input speed sensor 2G612 Gearbox input speed sensor 1G632

  21. Gearbox management • Sensors Temperature sensor in control unit G510

  22. Gearbox management • Sensors Hydraulic pressure sensor for gearbox G270

  23. Gearbox management • Sensors Travel sensor 3, G489, gear 5/7 Travel sensor 4, G490, gear 6/R Travel sensor 2, G488, gear 4/2 Travel sensor 1, G487, gear 1/3

  24. Gearbox management • Sensors Selector lever E313 Hall sensors for Tiptronic position F319 N110 Hall sensors for detection of the selector lever position

  25. Gearbox management • Actuators Clutch actuator solenoids Valve 3 in sub-gearbox 2, N439 Valve 3 in sub-gearbox 1, N435

  26. Gearbox management • Actuators Sub-gearbox pressure control valves Valve 4 in sub-gearbox 1, N436 Valve 4 in sub-gearbox 2, N440

  27. Gearbox management • Actuators Gear actuator solenoid valves Valve 2 in sub-gearbox 2, N438 Valve 2 in sub-gearbox 1, N434 Valve 1 in sub-gearbox 1, N433 Valve 1 in sub-gearbox 2, N437

  28. Gearbox management • Actuators Hydraulic pump motor V401 V401

  29. Functional diagram

  30. Thank you

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