Patent ID: 9234448
Filing Date: 2016-01-12
CPC Classification: B42C,F01N,H01L,Y02T

Claim Text:
1. A muffler for an exhaust gas system of an internal combustion engine comprising: a muffler housing having at least one exhaust gas inlet and at least one exhaust gas outlet; at least one muffling device arranged in the muffler housing, at least one cooling element configured to extract heat energy from the exhaust gas and is arranged in the muffler housing, and at least one cooling device arranged in the muffler housing and thermally coupled to the cooling element, the cooling device having at least one coolant passage through which coolant can flow, the coolant passage formed as a flat passage; wherein the flat passage has first and second mutually oppositely disposed side surfaces of larger length in cross-section, the first and second mutually opposed side surfaces being coupled to the cooling element.