Patent ID: 7980989

Claim:
A double clutch of a double clutch transmission, comprising: an inner clutch connected to an inner shaft and comprising an inner disk carrier for inner disks; an outer clutch connected to a hollow shaft arranged co-axially with respect to the inner shaft and comprising an outer disk carrier for outer disks; a drive member arranged on a drive shaft and comprising inner and outer drive disks which can be operatively connected to the inner or outer disks and which, together with the inner and outer disks, form an inner clutch pack and an outer clutch pack; and a common disk carrier for both clutch packs coupled to the drive member, the common disk carrier comprising two hubs engaged with one another, said hubs being associated with the clutch packs, wherein each hub comprises a plurality of teeth; wherein oil supply for the outer clutch passes through upper tooth cavities, and oil discharge of the inner clutch passes through lower tooth cavities; and wherein oil supply for the outer clutch also passes through lower tooth cavities, and oil discharge of the inner clutch also passes through upper tooth cavities.