Device for transmitting sound in automotive vehicle, has sound transmission line comprising line section with reduced diameter and another adjacent line section with enlarged diameter

摘要

The device (4) has a sound transmission line (6) between an internal combustion engine (1) or one of the assembly assigned to the internal combustion engine and the passenger compartment (5). The sound transmission line comprises a line section (6a) with reduced diameter (d1) and another adjacent line section (6b) with enlarged diameter (d2). The former line section is arranged on the side facing the internal combustion engine. The latter line section is arranged on the side facing the passenger compartment.