Patent ID: 7631619

Claim:
A cooling agent compensation tank of a cooling circuit for indirectly cooling supercharging air for an internal combustion engine, comprising a compensation tank housing with at least one cooling agent inflow device, through which a cooling agent is able to flow into the compensation tank, and a cooling agent outflow device, through which the cooling agent is able to flow out of the compensation tank, an expansion chamber with an expansion chamber cooling agent inlet device and an expansion chamber cooling agent outlet device, through which cooling agent is able to flow into the expansion chamber and out of the expansion chamber in the compensation tank housing; a direct cooling agent conveying device arranged on the compensation tank housing connecting the cooling agent inflow device and the cooling agent outflow device to one another such that at least a partial cooling agent stream of a cooling agent stream flowing through the cooling agent inflow device is able to flow directly from the cooling agent inflow device to the cooling agent outflow device without flowing into the expansion chamber, wherein the direct cooling agent conveying device comprises a straight or slightly angled tubular flow channel.