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1. WO2009039999 - MUFFLER

Publication Number WO/2009/039999
Publication Date 02.04.2009
International Application No. PCT/EP2008/007563
International Filing Date 12.09.2008
IPC
F01N 1/14 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
1Silencing apparatus characterised by method of silencing
14by adding air to exhaust gases
F01N 1/24 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
1Silencing apparatus characterised by method of silencing
24by using sound-absorbing materials
CPC
F01N 1/24
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
1Silencing apparatus characterised by method of silencing
24by using sound-absorbing materials
F01N 13/14
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
13Exhaust or silencing apparatus characterised by constructional features ; ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
14having thermal insulation
F01N 13/16
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
13Exhaust or silencing apparatus characterised by constructional features ; ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
16Selection of particular materials
F01N 13/1805
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
13Exhaust or silencing apparatus characterised by constructional features ; ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
18Construction facilitating manufacture, assembly, or disassembly
1805Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
F01N 13/1827
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
13Exhaust or silencing apparatus characterised by constructional features ; ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
18Construction facilitating manufacture, assembly, or disassembly
1805Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
1827Sealings specially adapted for exhaust systems
F01N 2310/02
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
2310Selection of sound absorbing or insulating material
02Mineral wool, e.g. glass wool, rock wool, asbestos or the like
Applicants
  • WOCO INDUSTRIETECHNIK GMBH [DE]/[DE] (AllExceptUS)
  • CHRYSLER GROUP LLC [US]/[US] (AllExceptUS)
  • GÄRTNER, Udo [DE]/[DE] (UsOnly)
  • SIKES, Timothy [US]/[US] (UsOnly)
Inventors
  • GÄRTNER, Udo
  • SIKES, Timothy
Agents
  • WEBER-BRULS, Dorothée
Priority Data
11/937,53009.11.2007US
60/975,34226.09.2007US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) MUFFLER
(FR) SILENCIEUX
Abstract
(EN)
The present invention refers to an absorption muffler comprising an, in particular metallic, pipe, like an exhaust pipe including a plurality of perforations and, in particular polymeric, housing carried by the pipe and enclosing the plurality of perforations, and including axially opposed ends; thermal insulation and acoustic insulation carried radially between the pipe and the housing.
(FR)
La présente invention porte sur un silencieux d'absorption comprenant un tuyau en particulier métallique, tel qu'un tuyau d'échappement comprenant une pluralité de perforations, et un carter en particulier polymère supporté par le tuyau et enfermant la pluralité de perforations et comprenant des extrémités axialement opposées, une isolation thermique et une isolation acoustique étant supportées radialement entre le tuyau et le carter.
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