EP 1060328 A1 20001220 - A SILENCER
Title (en)
A SILENCER
Title (de)
SCHALLDÄMPFER
Title (fr)
SILENCIEUX
Publication
Application
Priority
- DK 9800588 W 19981230
- DK 155997 A 19971230
Abstract (en)
[origin: WO9935378A1] A silencing apparatus which is throughflowed by a gas and which is arranged within a pipe or duct system, the gas flow at one or more stages within the apparatus being divided into three or more preferably substantially parallel subflows, each or substantially each subflow throughflowing a silencing element (6a...) causing reflective silencing provided by changes in cross section area, said silencing elements being arranged beside each other within an outer envelope, at least 80 % of the volume inside said envelope being constituted by air, gas and/or solid materials, and at least a major part of said volume having silencing functions, said subflows merging downstream of said silencing elements, either within said apparatus or further downstream in said pipe or duct system.
IPC 1-7
IPC 8 full level
F01N 1/02 (2006.01); F01N 1/08 (2006.01); F01N 1/10 (2006.01); F01N 1/24 (2006.01); F01N 3/28 (2006.01)
CPC (source: EP)
F01N 1/02 (2013.01); F01N 1/089 (2013.01); F01N 1/10 (2013.01); F01N 1/24 (2013.01); F01N 3/2885 (2013.01); F01N 2470/30 (2013.01); F01N 2490/15 (2013.01); F01N 2490/155 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE
DOCDB simple family (publication)
WO 9935378 A1 19990715; AT E224003 T1 20020915; AU 1869699 A 19990726; DE 69807942 D1 20021017; DE 69807942 T2 20030430; EP 1060328 A1 20001220; EP 1060328 B1 20020911
DOCDB simple family (application)
DK 9800588 W 19981230; AT 98963397 T 19981230; AU 1869699 A 19981230; DE 69807942 T 19981230; EP 98963397 A 19981230