Dual-clutch seven speed transmission arrangement
AssigneeVolvo Car Corporation
InventorsAhmet DZAFIC, Mathias JORGENSSON
Life of this patent
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Abstract
A dual-clutch seven speed transmission arrangement comprises a dual-clutch gearbox, a drive machine and a transfer transmission. The dual clutch gearbox comprises first and second input shafts provided with first and second input clutches. The first input shaft is provided with at least first and second gearwheels, which are arranged to host three even and one reverse drive gear, and the second input shaft is arranged to host four odd drive gears. Furthermore, the first input shaft is a hollow shaft enclosing the second input shaft. The drive machine is a flywheel and the transfer transmission meshes with the first gearwheel that also hosts a fourth drive gear of the dual clutch gearbox.
Claims12
A dual-clutch seven speed transmission arrangement comprising:
- a dual-clutch gearbox comprising first and second input shafts provided with first and a second input clutches, wherein the first input shaft is a hollow shaft enclosing the second input shaft, the first input shaft is provided with at least first and second gearwheels, which are arranged to host three even and one reverse drive gear, and the second input shaft is arranged to host four odd drive gears;
- a drive machine comprising a flywheel;
- and
- a transfer transmission that meshes with the first gearwheel, which hosts a fourth drive gear of the dual-clutch gearbox.
Dependencies are inferred from the claim text.