EP 0897060 A3 19990908 - Intake silencer system
Title (en)
Intake silencer system
Title (de)
Einlassgeräuschdämpfer
Title (fr)
Silencieux d'admission
Publication
Application
Priority
- JP 21841697 A 19970813
- JP 21841897 A 19970813
Abstract (en)
[origin: EP0897060A2] The case of an intake silencer system includes a first case half and a second case half coupled to each other at mating faces, with an intake duct clamped between the mating faces. The intake duct opens into a resonant chamber within the case, so that noise is damped by a resonant effect. Three ribs are provided on an inner surface of the first case half, thereby defining four subsidiary silencing chambers each functioning as a side branch for producing a resonant effect to obtain a silencing effect in a wide frequency range. The ribs also contribute to an enhancement in rigidity of the wall surfaces of the case. <IMAGE>
IPC 1-7
IPC 8 full level
F02M 35/12 (2006.01)
CPC (source: EP)
F02M 35/1266 (2013.01)
Citation (search report)
- [YA] US 5647314 A 19970715 - MATSUMURA YASUO [JP], et al
- [YA] WO 9717531 A1 19970515 - ACTS LTD [GB], et al
- [A] US 5424494 A 19950613 - HOULE DENNIS E [CA], et al
- [A] US 4109751 A 19780829 - KABELE DENNIS FREDERICK
- [A] US 5541374 A 19960730 - SATO KATSUHISA [JP], et al
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 0897060 A2 19990217; EP 0897060 A3 19990908; EP 0897060 B1 20030122; CA 2244951 A1 19990213; CA 2244951 C 20010403; CN 1095926 C 20021211; CN 1208120 A 19990217; DE 69810858 D1 20030227; DE 69810858 T2 20030605; MY 121318 A 20060128; TW 366388 B 19990811
DOCDB simple family (application)
EP 98114749 A 19980805; CA 2244951 A 19980812; CN 98118326 A 19980812; DE 69810858 T 19980805; MY PI9803663 A 19980811; TW 87112751 A 19980803