EP 1403506 A3 20050615 - Silencer for the reduction of air noise and method for the production thereof

Title (en)

Silencer for the reduction of air noise and method for the production thereof

Title (de)

Schalldämpfer zur Verringerung von Luftgeräuschen und Verfahren zur Herstellung desselben

Title (fr)

Silencieux pour la réduction des bruits d'air et méthode pour sa fabrication

Publication

EP 1403506 A3 20050615 (DE)

Application

EP 03020508 A 20030916

Priority

DE 10243881 A 20020921

Abstract (en)

[origin: EP1403506A2] The attenuator for air noise, in particular, in the suction channel of an internal combustion engine comprises a duct (12) combined with a resonator chamber incorporating cutouts (13), partition walls (14) and a closure lid (14) distanced from the duct wall. An Independent claim is also included for a method for producing the proposed noise attenuator.

IPC 1-7

F02M 35/12; F02M 35/10

IPC 8 full level

F02M 35/12 (2006.01)

CPC (source: EP)

F02M 35/1216 (2013.01); F02M 35/1266 (2013.01)

Citation (search report)

[X] DE 20113496 U1 20011018 - PORSCHE AG [DE]
[X] EP 1057999 A2 20001206 - MANN & HUMMEL FILTER [DE]
[X] EP 1043494 A2 20001011 - PORSCHE AG [DE]
[X] US 5979598 A 19991109 - WOLF FRANZ JOSEF [DE], et al
[A] US 6205968 B1 20010327 - SPANNBAUER HELMUT [DE]
[X] PATENT ABSTRACTS OF JAPAN vol. 1995, no. 09 31 October 1995 (1995-10-31)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1403506 A2 20040331; EP 1403506 A3 20050615; EP 1403506 B1 20060705; AT E332441 T1 20060715; DE 10243881 A1 20040401; DE 50304126 D1 20060817

DOCDB simple family (application)

EP 03020508 A 20030916; AT 03020508 T 20030916; DE 10243881 A 20020921; DE 50304126 T 20030916