Global Patent Index - EP 1373689 A1

EP 1373689 A1 20040102 - APPARATUS FOR DAMPING RESONANCE IN A CONDUIT

Title (en)

APPARATUS FOR DAMPING RESONANCE IN A CONDUIT

Title (de)

VORRICHTUNG ZUR RESONANZDÄMPFUNG IN EINER LEITUNG

Title (fr)

APPAREIL D'AMORTISSEMENT DE RESONANCE DANS UN TUYAU

Publication

EP 1373689 A1 20040102 (EN)

Application

EP 02711615 A 20020214

Priority

  • SE 0200260 W 20020214
  • SE 0100585 A 20010221

Abstract (en)

[origin: WO02066798A1] The invention relates to an apparatus for damping resonance in a conduit (10) for transporting exhaust gases from an internal combustion engine. The resonance is damped by virtue of the conduit (10) being provided with at least one perforation (14) located at a distance from the outer end (11) of the conduit.

IPC 1-7

F01N 1/02; F01N 7/08

IPC 8 full level

F01N 1/02 (2006.01); F01N 13/08 (2010.01)

CPC (source: EP US)

F01N 1/02 (2013.01 - EP US); F01N 13/08 (2013.01 - EP US); F01N 2470/04 (2013.01 - EP US)

Citation (search report)

See references of WO 02066798A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

DOCDB simple family (publication)

WO 02066798 A1 20020829; BR 0207389 A 20040210; EP 1373689 A1 20040102; JP 2004519575 A 20040702; JP 4159032 B2 20081001; SE 0100585 D0 20010221; SE 0100585 L 20020822; SE 522546 C2 20040217; US 2004104071 A1 20040603

DOCDB simple family (application)

SE 0200260 W 20020214; BR 0207389 A 20020214; EP 02711615 A 20020214; JP 2002566090 A 20020214; SE 0100585 A 20010221; US 60484803 A 20030821