Patent ID: 9617882
Date: 2017-04-11
CPC Classifications: F01N

Claim:
1. A muffler for an exhaust system of an internal combustion engine, the muffler comprising: a housing, in which an expansion chamber is formed; an inlet pipe extending into the housing and introducing exhaust gas into the housing, the inlet pipe having an end section with an outlet opening in the expansion chamber; a main outlet pipe extending into the housing and removing exhaust gas from the housing, the main outlet pipe having an initial section which protrudes into the end section of the inlet pipe; a gap formed in an overlapping area between the end section of the inlet pipe and the initial section of the main outlet pipe and which forms a bypass, through which exhaust gas can flow from the inlet pipe into the expansion chamber, which bypass bypasses the initial section of the main outlet pipe in the end section of the inlet pipe; and a secondary outlet pipe having an inlet opening in the expansion chamber and removing exhaust gas from the housing.