EP 1101929 A3 20020710 - Method and device for influencing noise in the intake of a combustion engine
Title (en)
Method and device for influencing noise in the intake of a combustion engine
Title (de)
Verfahren und Vorrichtung zur Beeinflussung des Schalls im Ansaugtrakt eines Verbrennungsmotors
Title (fr)
Procédé et dispositif pour influencer le bruit dans l'admission d'un moteur à combustion
Publication
Application
Priority
DE 19955900 A 19991120
Abstract (en)
[origin: EP1101929A2] Measured sound behavior is influenced by at least partial closure (5) of the airflow duct (3) at given, periodic intervals, during which little or no air mass transfer takes place. An Independent claim is included for equipment carrying out the method.
IPC 1-7
IPC 8 full level
F02M 35/12 (2006.01)
CPC (source: EP)
F02M 35/125 (2013.01)
Citation (search report)
- [X] WO 9109214 A1 19910627 - LOTUS GROUP PLC [GB]
- [A] EP 0242797 A1 19871028 - BAYERISCHE MOTOREN WERKE AG [DE]
- [A] FR 2693505 A1 19940114 - CENTRE NAT RECH SCIENT [FR]
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)
EP 1101929 A2 20010523; EP 1101929 A3 20020710; EP 1101929 B1 20040526; AT E267955 T1 20040615; DE 10055399 A1 20010523; DE 50006582 D1 20040701
DOCDB simple family (application)
EP 00124963 A 20001116; AT 00124963 T 20001116; DE 10055399 A 20001109; DE 50006582 T 20001116