Method for carrying out gear shifting in a twin-clutch gearbox

Details Method for carrying out gear shifting in a twin-clutch gearbox Method for carrying out gear shifting in a twin-clutch gearbox

2006-08-22

2006-08-22

Pang, Roger (Department: 3681)

Interrelated power delivery controls, including engine control

Plural engines

Electric engine

C477S107000, C477S904000, C074S340000

Reexamination Certificate

active

07094176

ABSTRACT:
The invention relates to a method for carrying out gear shifting in a twin-clutch gearbox comprising at least two gearbox input shafts which are respectively coupled to the engine by means of a clutch. According to the invention, after recognizing a desire to change gear, the clutch associated with the active torque transmitting gearbox input shaft is opened until the slip limit is reached and the engine torque is controlled according to the type of shifting in order to achieve the vehicle acceleration desired by the driver.

REFERENCES:
patent: 5303794 (1994-04-01), Hrovat et al.
patent: 5407401 (1995-04-01), Bullmer et al.
patent: 5603672 (1997-02-01), Zhang
patent: 6634247 (2003-10-01), Pels et al.
patent: 6712734 (2004-03-01), Loeffler
patent: 6909955 (2005-06-01), Vukovich et al.
patent: 6941830 (2005-09-01), Ibamoto et al.
patent: 2001/0022245 (2001-09-01), Rogg
patent: 19939334 (2001-03-01), None
patent: 0109940288 (2001-03-01), None

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