Silencer with resonator

The silencer consists of a sleeve (11) inserted in the exhaust pipe that has an integral Helmholz resonator. This has a number of chambers (13) coupled by tapered orifices (12). The greater the included angle of the taper the thinner the wall section (s) of the sleeve tube for a required resonance f...

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Main Author SPANNBAUER, HELMUT
Format Patent
LanguageEnglish
French
German
Published 24.03.2004
Edition7
Subjects
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Abstract The silencer consists of a sleeve (11) inserted in the exhaust pipe that has an integral Helmholz resonator. This has a number of chambers (13) coupled by tapered orifices (12). The greater the included angle of the taper the thinner the wall section (s) of the sleeve tube for a required resonance frequency. Die Erfindung betrifft einen Schalldämpfer (10), insbesondere einer Brennkraftmaschine, vorzugsweise einer aufgeladenen Brennkraftmaschine, wobei wenigstens ein schallführendes Element wenigstens eine Resonatorkammer (13a,13b) enthält, die durch ein Lochblech (11) vom korrespondierenden Strömungskanal getrennt ist und dadurch nach dem Prinzip eines Helmholtz-Resonators aufgebaut ist, wobei das Lochblech (11) im direkten Bereich der darin angeordneten Löcher (12) an wenigstens einem Loch eine veränderte Wandstärke aufweist.
AbstractList The silencer consists of a sleeve (11) inserted in the exhaust pipe that has an integral Helmholz resonator. This has a number of chambers (13) coupled by tapered orifices (12). The greater the included angle of the taper the thinner the wall section (s) of the sleeve tube for a required resonance frequency. Die Erfindung betrifft einen Schalldämpfer (10), insbesondere einer Brennkraftmaschine, vorzugsweise einer aufgeladenen Brennkraftmaschine, wobei wenigstens ein schallführendes Element wenigstens eine Resonatorkammer (13a,13b) enthält, die durch ein Lochblech (11) vom korrespondierenden Strömungskanal getrennt ist und dadurch nach dem Prinzip eines Helmholtz-Resonators aufgebaut ist, wobei das Lochblech (11) im direkten Bereich der darin angeordneten Löcher (12) an wenigstens einem Loch eine veränderte Wandstärke aufweist.
Author SPANNBAUER, HELMUT
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DocumentTitleAlternate Resonatorschalldämpfer
Silencieux à résonateur
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RelatedCompanies MANN+HUMMEL GMBH
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Snippet The silencer consists of a sleeve (11) inserted in the exhaust pipe that has an integral Helmholz resonator. This has a number of chambers (13) coupled by...
SourceID epo
SourceType Open Access Repository
SubjectTerms BLASTING
COMBUSTION ENGINES
COMBUSTION ENGINES IN GENERAL
ENGINE PLANTS IN GENERAL
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
INTERNAL-COMBUSTION PISTON ENGINES
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
STEAM ENGINES
SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF
WEAPONS
Title Silencer with resonator
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