EP 3587754 B1 20210512 - SOUND ABSORBER
Title (en)
SOUND ABSORBER
Title (de)
SCHALLDÄMPFER
Title (fr)
AMORTISSEUR DE BRUIT
Publication
Application
Priority
DE 102018115742 A 20180629
Abstract (en)
[origin: US2020003093A1] A muffler, for an internal combustion engine exhaust system, includes a muffler housing (12) with a housing jacket (14) elongated in a housing longitudinal axis (A) direction and with an outer panel (16) connected to the housing jacket at both axial end areas thereof to define a muffler interior (18). An inner panel (20) is arranged in and divides the muffler interior. A muffling unit (24) includes an exhaust-gas-carrying inner pipe (26), an outer pipe (28) enclosing the inner pipe and muffling material (32) arranged between the inner pipe and the outer pipe. The inner pipe is accommodated in an opening (48) of an inner panel and in an opening (40) of one of the outer panels or of an additional inner panel. The outer pipe is permanently connected to the inner panel or/and to one of the outer panels or to the additional inner panel.
IPC 8 full level
F01N 1/02 (2006.01); F01N 1/04 (2006.01); F01N 1/08 (2006.01); F01N 1/10 (2006.01); F01N 13/18 (2010.01)
CPC (source: CN EP US)
F01N 1/006 (2013.01 - US); F01N 1/026 (2013.01 - EP); F01N 1/04 (2013.01 - EP); F01N 1/10 (2013.01 - EP US); F01N 1/24 (2013.01 - CN); F01N 13/007 (2013.01 - CN); F01N 13/1838 (2013.01 - CN); F01N 13/1872 (2013.01 - EP); F01N 2470/02 (2013.01 - EP US); F01N 2470/24 (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 3587754 A1 20200101; EP 3587754 B1 20210512; CN 110657001 A 20200107; CN 110657001 B 20211022; DE 102018115742 A1 20200102; US 11384665 B2 20220712; US 2020003093 A1 20200102
DOCDB simple family (application)
EP 19181245 A 20190619; CN 201910551706 A 20190625; DE 102018115742 A 20180629; US 201916453103 A 20190626