Patent ID: 8186159

Claim:
An intake air cooler for a dual-stage turbocharged internal combustion engine, characterized in that it comprises a first cooling stage ( 24 ) and a second cooling stage ( 26 ) traversed by intake air and grouped together in a single heat exchanger housing ( 30 ) and sharing a common heat exchanger bundle ( 28 ), accommodated in the heat exchanger housing ( 30 ) and traversed by a cooling liquid; the first cooling stage ( 24 ) and the second cooling stage ( 26 ) respectively comprising a first conduit ( 40 ) and a second conduit ( 42 ) separated by a partition ( 44 ) and each having an inlet ( 50 ; 54 ) and an outlet ( 52 ; 56 ) for the intake air and wherein the heat exchanger bundle ( 28 ) comprises a first part ( 58 ) and a second part ( 60 ) accommodated respectively in the first conduit ( 40 ) and the second conduit ( 42 ); wherein the partition ( 44 ) comprises a fixed part ( 74 ) and at least one mobile part ( 76 ) movable between a first position in which the first conduit ( 40 ) and the second conduit ( 42 ) are isolated and a second position in which the first conduit ( 40 ) and the second conduit ( 42 ) communicate.