EP 0151507 B1 19881228 - EXHAUST SYSTEM
Title (en)
EXHAUST SYSTEM
Publication
Application
Priority
ZA 8450 A 19840104
Abstract (en)
[origin: EP0151507A1] An reverse type silencer (10) is combined with a resonance type silencer (20). The resonance type section has a core (22) housed in a shell (26) and filled with a sound absorbing material. Open notches (24) are spirally arranged in the core (22) and include downwardly depending lips (28) forming openings to incoming wave forms. Second waves passing the silencer are reflected and attenuated to dampen noise.
IPC 1-7
IPC 8 full level
F01N 1/08 (2006.01); F01N 1/10 (2006.01); F01N 13/02 (2010.01); F01N 13/18 (2010.01); F01N 13/20 (2010.01)
CPC (source: EP)
F01N 1/08 (2013.01); F01N 1/10 (2013.01); F01N 13/009 (2014.06); F01N 13/1844 (2013.01); F01N 2310/00 (2013.01); F01N 2450/20 (2013.01); F01N 2470/02 (2013.01); F01N 2470/30 (2013.01)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0151507 A1 19850814; EP 0151507 B1 19881228; AT E39543 T1 19890115; DE 3567060 D1 19890202; JP S60228718 A 19851114
DOCDB simple family (application)
EP 85300041 A 19850103; AT 85300041 T 19850103; DE 3567060 T 19850103; JP 7685 A 19850104