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Motor vehicle`s gear changing method, involves releasing driving movement after oil-cooled clutch is completely opened, and reducing flow of cooling oil of twin clutch system by operating stop valve to reduce drag torque of clutch
Motor vehicle`s gear changing method, involves releasing driving movement after oil-cooled clutch is completely opened, and reducing flow of cooling oil of twin clutch system by operating stop valve to reduce drag torque of clutch
The method involves changing gear of a motor vehicle by a gear circuit and an oil-cooled clutch in a neutral gear position. Flow of cooling oil of a twin clutch system is reduced by operating a stop valve to reduce drag torque of the oil-cooled clutch. The oil-cooled clutch is opened in a ramp-shape, and a variety of driving positions is detected by a sensor unit. A driving movement is released after the clutch is completely opened and/or a predetermined end position has reached according to a waiting period adjusted in a control strategy.
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