Title (en)

ABSORPTION/REFLECTION SILENCER

Publication

EP 0274659 B1 19910529 (DE)

Application

EP 87118057 A 19871207

Priority

DE 3641942 A 19861209

Abstract (en)

[origin: EP0274659A1] An absorption silencer, particularly a multi-stage silencer, having a main silencer with a built-in resonator silencer connected upstream of a secondary silencer, the main silencer comprising a directly stressed resonator (8), tuned to low frequencies, with a resonator tube (7) projecting into the exhaust gas flow against the flow direction of the main gas flow. <IMAGE>

IPC 1-7

F01N 1/02; F01N 1/10

IPC 8 full level

F01N 1/02 (2006.01); F01N 1/10 (2006.01); F01N 1/24 (2006.01)

CPC (source: EP)

F01N 1/02 (2013.01); F01N 1/10 (2013.01); F01N 1/24 (2013.01); F01N 2210/04 (2013.01); F01N 2490/15 (2013.01); F01N 2490/155 (2013.01)

Citation (examination)

• DE 3035332 A1 19820506 - EBERSPAECHER J [DE]
• DE 2839756 C2 19840830

Designated contracting state (EPC)

AT BE ES FR GB IT SE

DOCDB simple family (publication)

EP 0274659 A1 19880720; EP 0274659 B1 19910529; AT E63973 T1 19910615; DE 3641942 A1 19880623; DE 3641942 C2 19921022; ES 2022280 B3 19911201

DOCDB simple family (application)

EP 87118057 A 19871207; AT 87118057 T 19871207; DE 3641942 A 19861209; ES 87118057 T 19871207