US 12,454,901 B2
Sound damper
Michael Schmidt, Friedrichsthal (DE); and Philipp Kratz, St. Ingbert (DE)
Assigned to Purem GmbH, Neunkirchen (DE)
Filed by Purem GmbH, Neunkirchen (DE)
Filed on Sep. 25, 2023, as Appl. No. 18/473,962.
Claims priority of application No. 10 2022 124 582.9 (DE), filed on Sep. 26, 2022.
Prior Publication US 2024/0102407 A1, Mar. 28, 2024
Int. Cl. F01N 1/02 (2006.01)
CPC F01N 1/023 (2013.01) [F01N 2470/02 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A sound damper for an exhaust gas system of an internal combustion engine, the sound damper comprising:
a sound damper housing defining a housing interior;
at least one intermediate wall arranged in said housing interior;
at least one sound damper connection pipe having first and second pipe end regions;
a plate-like support element arranged in said housing interior and being formed as an integral component of said at least one intermediate wall;
said at least one sound damper connection pipe being supported in said first pipe end region on said sound damper housing and being arranged in said second pipe end region on said support element for introducing exhaust gas into said housing interior or for directing exhaust gas out of said housing interior;
wherein:
said at least one intermediate wall defines an intermediate wall plane and includes a wall member located in said intermediate wall plane;
said support element extends from said wall member out of said intermediate wall plane;
said support element and said wall member conjointly define a bending region whereat said support element adjoins said wall member and is bent out of said
intermediate wall plane in said bending region; and,
for providing said support element as said integral component of said at least one intermediate wall, a U-shaped cut out is formed in said wall member of said at least one intermediate wall and said support element being bent out of said intermediate wall plane has a connection to said wall member only in said bending region.