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

摘要

The arrangement has a drive unit (12), gearbox and clutch system with at least one clutch arrangement operated by a pressure medium provided by a pump arrangement (10) with at least one pump (14,16) driven by the drive unit and connected via a control/regulating valve arrangement (18,22) on the input and output sides for providing the pressure medium on the output side at a desired pressure and/or volumetric flow by returning medium to the input side. Independent claims are also included for the following: (a) a clutch system for a motor vehicle drive train (b) and a pump arrangement for an inventive drive train.