Global Patent Index - EP 1352172 A1

EP 1352172 A1 20031015 - SILENCER WITH A PLURALITY OF RESONANCE CHAMBERS

Title (en)

SILENCER WITH A PLURALITY OF RESONANCE CHAMBERS

Title (de)

SCHALLDÄMPFER MIT EINER MEHRZAHL AN RESONANZKAMMERN

Title (fr)

SILENCIEUX COMPORTANT UNE PLURALITE DE CHAMBRES DE RESONANCE

Publication

EP 1352172 A1 20031015 (DE)

Application

EP 02701191 A 20020115

Priority

  • DE 0200094 W 20020115
  • DE 10102040 A 20010118

Abstract (en)

[origin: WO02057616A1] The invention relates to a sound absorber (1) mounted on or in a component (7), wherein a sound which is to be absorbed is propagated. The silencer (1) comprises a hollow body (8), which communicates with the component (7) or forms a component part of said component (7). A plurality of Helmholtz resonators (10) which operate in a parallel manner are arranged behind each other in the axial direction of the hollow body (8) in at least one axial part (9) of said hollow body (8).

IPC 1-7

F02M 35/12; F01N 1/02

IPC 8 full level

F01N 1/02 (2006.01); F02M 35/12 (2006.01); G10K 11/172 (2006.01); F01N 13/02 (2010.01); F01N 13/04 (2010.01); F02B 37/00 (2006.01); F02M 35/14 (2006.01)

CPC (source: EP US)

F01N 1/026 (2013.01 - EP US); F01N 13/0097 (2014.06 - EP US); F01N 13/017 (2014.06 - EP US); F02M 35/1216 (2013.01 - EP US); F02M 35/1261 (2013.01 - EP US); F02M 35/1266 (2013.01 - EP US); G10K 11/172 (2013.01 - EP US); F02B 37/00 (2013.01 - EP US); F02M 35/14 (2013.01 - EP US)

Citation (search report)

See references of WO 02057616A1

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 02057616 A1 20020725; DE 10102040 A1 20020725; DE 50201672 D1 20050105; EP 1352172 A1 20031015; EP 1352172 B1 20041201; US 2004069563 A1 20040415

DOCDB simple family (application)

DE 0200094 W 20020115; DE 10102040 A 20010118; DE 50201672 T 20020115; EP 02701191 A 20020115; US 46672203 A 20030718