Drive device and method for its operation

The invention relates to a drive device, in particular for a vehicle drive, comprising a drive line generating engine, a cooling system for the liquid cooling of the engine and / or a component of the drive device which is supplied by the engine at least indirectly driving power, which is circulated in the cooling system a cooling medium; a lubricating circuit for lubricating at least one movable component of the drive device with a lubricating medium. The invention is characterized in that the drive device further includes a collection reservoir, in which a total operating medium which comprises a mixture of an ionic liquid and a volatile liquid, is stored, wherein the cooling system and the lubricant circuit with the collection reservoir is at least indirectly connected fluidically to lubricating medium and cooling medium deducted from the total medium.