EP 0389401 A1 19900926 - Silencer for automobile exhaust systems.
Title (en)
Silencer for automobile exhaust systems.
Title (de)
Abgas-Schalldämpfer für Kraftfahrzeuge.
Title (fr)
Silencieux pour échappement d'automobile.
Publication
Application
Priority
ES 8901047 A 19890322
Abstract (en)
The silencer comprises two or more adjacent parallel tubular passages (2a, 2b, 2c) in which there is at least one flow restriction (18, 20) in the longitudinal direction; each tubular passage (2a, 2b, 2c) is in communication with one or more adjacent tubular passage by means of a longitudinally elongate slot (14).
IPC 1-7
IPC 8 full level
F01N 1/08 (2006.01); F01N 1/10 (2006.01); F01N 13/18 (2010.01)
CPC (source: EP)
F01N 1/08 (2013.01); F01N 1/10 (2013.01); F01N 13/1872 (2013.01); F01N 2450/20 (2013.01); F01N 2450/22 (2013.01)
Citation (search report)
- [X] DE 3035332 A1 19820506 - EBERSPAECHER J [DE]
- [X] DE 3149622 A1 19830721 - EBERSPAECHER J [DE]
- [Y] US 2583366 A 19520122 - ENGELS WILLARD H
- [Y] GB 923611 A 19630418 - FRANK HANKINSON KYFFIN
- [Y] GB 250399 A 19260415 - WILHELM WOLFF
- [A] DE 358083 C 19220905 - KARL LEHMANN
Designated contracting state (EPC)
BE DE ES FR GB IT SE
DOCDB simple family (publication)
DOCDB simple family (application)
EP 90500025 A 19900319; ES 8901047 A 19890322