Motor vehicle silencer e.g. directly led silencer, has outer pipe comprising broader section, and separating sections provided between three broader sections for developing set of inner and outer sound absorbing areas of different sizes

摘要

The silencer has an outer pipe (30) comprising a broader section (31) and a tapering section (32). An inner pipe (40) has another broader section (41) and another tapering section. An inner guiding pipe (50) has third broader section (51). A set of separating sections are provided both between the broader sections (31, 41) and between the broader sections (41, 51) for developing a set of inner and outer sound absorbing areas (61a-61e) of different sizes.