An internal combustion engine with a 2-stage charge loading includes a
connection conduit with a supercharger intercooler provided between the
compressors of the low pressure stage and high pressure stage. The
supercharger intercooler is configured via a cooling unit in the charge
air guiding connection conduit between the compressor of the ATL-low
pressure stage and the compressor of the ATL-high pressure stage having a
cooling medium flowing therethrough as well as by a specially configured
section of the connection conduit. The connection conduit in this section
forms with its wall the outer wall of the supercharger intercooler and
delimits an air through-put volume sufficient to effect, via a cooling
medium flowing through the cooling unit, an acceptable cooling of charge
air flowing through the cooling unit that is built into the connection
conduit.