Vehicle drive train comprising a pumping arrangement in order to supply a clutch device with a pressurised fluid

摘要

The drive train has a drive unit, a gearbox and a clutch system with a clutch for transferring torque with a coupling arrangement(s) operated by switching a pressure medium and/or for operation by an operating medium. The gearbox is operated by switching a pressure medium. A common pump arrangement provides pressure medium for operating the coupling arrangement and gearbox or/and operating medium can be fed to the clutch. The drive train has a drive unit, a gearbox and a clutch system with a clutch for transferring torque between the drive unit and gearbox with at least one coupling arrangement operated by switching a pressure medium and/or for operation under the effect of an operating medium. The gearbox is operated by switching a pressure medium. A common pump arrangement (10) provides the pressure medium for operating the coupling arrangement and gearbox or/and operating medium can be fed to the clutch. Independent claims are also included for the following: (a) a pump arrangement (b) and an actuating arrangement.