Global Patent Index - EP 4112892 B1

EP 4112892 B1 20240501 - SOUND ABSORBER

Title (en)

SOUND ABSORBER

Title (de)

SCHALLDÄMPFER

Title (fr)

SILENCIEUX

Publication

EP 4112892 B1 20240501 (DE)

Application

EP 22175287 A 20220525

Priority

DE 102021116802 A 20210630

Abstract (en)

[origin: CN115539188A] The invention relates to a muffler for an exhaust system of an internal combustion engine, comprising a muffler housing having a circumferential wall extending elongate in the direction of a housing longitudinal axis (L) and at least one bottom wall (14) which is surrounded by or/and held on the circumferential wall and which defines a chamber in the muffler housing, according to the invention, at least one bottom wall opening (36) is provided in the at least one bottom wall (14), said opening surrounding an opening edge region (50), which is curved substantially in the direction of the housing longitudinal axis (L), on a substantially flat bottom wall region (48) of the bottom wall (14) and receiving the exhaust pipe (42) by means of a press fit.

IPC 8 full level

F01N 1/02 (2006.01)

CPC (source: CN EP US)

F01N 1/023 (2013.01 - CN EP); F01N 1/08 (2013.01 - CN); F01N 13/007 (2013.01 - US); F01N 13/1838 (2013.01 - CN); F01N 13/185 (2013.01 - US); F01N 2450/20 (2013.01 - EP); F01N 2450/22 (2013.01 - EP); F01N 2490/02 (2013.01 - EP)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 4112892 A1 20230104; EP 4112892 B1 20240501; CN 115539188 A 20221230; DE 102021116802 A1 20230105; US 2023003162 A1 20230105

DOCDB simple family (application)

EP 22175287 A 20220525; CN 202210756129 A 20220629; DE 102021116802 A 20210630; US 202217855200 A 20220630