Title:
SILENCER AND METHOD FOR DESIGNING THE SAME
Document Type and Number:
WIPO Patent Application WO2004027231
Kind Code:
A3
Abstract:
The invention relates to a silencer comprising a silencer housing (1) and at least one inlet (3) and one outlet (4) for a waste gas. At least one functional surface (8) and at least one bead (5, 6, 7) are sunk into the housing surface (2), and the beads (5, 6,7) have at least one specific irregularity in the form and/or arrangement thereof for reducing the sound radiation. The invention also relates to a method for designing a silencer.
Inventors:
LUEHRS GEORG (DE)
Application Number:
PCT/EP2003/010344
Publication Date:
April 29, 2004
Filing Date:
September 17, 2003
Export Citation:
Assignee:
VOLKSWAGEN AG (DE)
LUEHRS GEORG (DE)
LUEHRS GEORG (DE)
International Classes:
F01N1/00; F01N13/00; F01N13/18; (IPC1-7): F01N1/00; F01N7/00
Foreign References:
| DE19849118A1 | 2000-04-27 | |||
| EP0564692A2 | 1993-10-13 | |||
| EP1316462A1 | 2003-06-04 | |||
| GB1589843A | 1981-05-20 | |||
| EP0324891A1 | 1989-07-26 |
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