EP 4098851 B1 20230913 - SILENCER
Title (en)
SILENCER
Title (de)
SCHALLDÄMPFER
Title (fr)
SILENCIEUX
Publication
Application
Priority
DE 102021114254 A 20210602
Abstract (en)
[origin: CN115434785A] The invention relates to a muffler for an exhaust system of an internal combustion engine, comprising a muffler housing having a peripheral wall and an end wall; a muffler insert having a retaining wall; the first exhaust gas guide pipe is embedded into the peripheral wall opening in a first pipe end region and is fixed on the peripheral wall and is fixed on the retaining wall in a second pipe end region, the first exhaust gas guide pipe is of a multi-part type, a first pipe part of the first exhaust gas guide pipe provides the first pipe end region, and a second pipe part of the first exhaust gas guide pipe provides the second pipe end region. A second pipe part of the first exhaust gas guide pipe positioned to be embedded in the peripheral wall opening and fixed on the peripheral wall, the second pipe part of the first exhaust gas guide pipe providing a second pipe end region of the first exhaust gas guide pipe, which is fixed on the retaining wall; the first pipe part and the second pipe part are inserted into each other in their mutually adjoining longitudinal regions and overlap each other in the pipe longitudinal direction of the first exhaust gas guide pipe; the second pipe part is connected to the retaining wall by means of material bonding. The invention also relates to a method for producing an exhaust muffler and to an exhaust system for an internal combustion engine.
IPC 8 full level
F01N 1/08 (2006.01); F01N 13/18 (2010.01)
CPC (source: CN EP US)
F01N 1/003 (2013.01 - US); F01N 1/023 (2013.01 - CN); F01N 1/08 (2013.01 - CN); F01N 1/082 (2013.01 - EP); F01N 1/089 (2013.01 - EP); F01N 13/18 (2013.01 - EP); F01N 13/1838 (2013.01 - CN); F01N 13/1872 (2013.01 - EP); G10K 11/161 (2013.01 - US); F01N 2450/22 (2013.01 - CN); F01N 2470/14 (2013.01 - EP); F01N 2470/18 (2013.01 - EP); F01N 2470/24 (2013.01 - EP); F01N 2490/155 (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 4098851 A1 20221207; EP 4098851 B1 20230913; CN 115434785 A 20221206; CN 115434785 B 20240604; DE 102021114254 A1 20221208; US 2022389848 A1 20221208
DOCDB simple family (application)
EP 22169873 A 20220426; CN 202210616560 A 20220601; DE 102021114254 A 20210602; US 202217830852 A 20220602