Patent ID: 8511450

Claim:
A multiple clutch device having a first clutch assigned a first actuating piston with a first pressure chamber and a first pressure equalization chamber, and having a second clutch assigned a second actuating piston with a second pressure chamber and a second pressure equalization chamber, a first crossflow channel for setting a hydraulic fluid column in the first pressure equalization chamber and a second crossflow channel for setting a hydraulic fluid column in the second pressure equalization chamber, wherein the first and second crossflow channels are arranged such that both oil discharged via the first crossflow channel and oil discharged via the second crossflow channel can be fed to the first and second clutches; the multiple clutch device further including a clutch hub, and an equalization channel formed in the clutch hub for supplying the first and second pressure equalization chambers with oil, wherein the first crossflow channel is also formed in the clutch hub, wherein the equalization channel opens into the first crossflow channel for direct flow-connection therewith, and wherein the equalization channel is formed as a circumferential inner groove on the clutch hub.