FR2951495B1 - Volume d'echappement muni d'une paroi poreuse d'absorption acoustique. - Google Patents

Volume d'echappement muni d'une paroi poreuse d'absorption acoustique.

Info

Publication number
FR2951495B1
FR2951495B1 FR0957346A FR0957346A FR2951495B1 FR 2951495 B1 FR2951495 B1 FR 2951495B1 FR 0957346 A FR0957346 A FR 0957346A FR 0957346 A FR0957346 A FR 0957346A FR 2951495 B1 FR2951495 B1 FR 2951495B1
Authority
FR
France
Prior art keywords
acoustic absorption
exhaust volume
absorption wall
porous acoustic
porous
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR0957346A
Other languages
English (en)
Other versions
FR2951495A1 (fr
Inventor
David Gafforelli
Maud Priour
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Faurecia Systemes dEchappement SAS
Original Assignee
Faurecia Systemes dEchappement SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Faurecia Systemes dEchappement SAS filed Critical Faurecia Systemes dEchappement SAS
Priority to FR0957346A priority Critical patent/FR2951495B1/fr
Publication of FR2951495A1 publication Critical patent/FR2951495A1/fr
Application granted granted Critical
Publication of FR2951495B1 publication Critical patent/FR2951495B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/003—Silencing apparatus characterised by method of silencing by using dead chambers communicating with gas flow passages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • F01N1/04—Silencing apparatus characterised by method of silencing by using resonance having sound-absorbing materials in resonance chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F01N1/082—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases passing through porous members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F01N1/10—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling in combination with sound-absorbing materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/24—Silencing apparatus characterised by method of silencing by using sound-absorbing materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust 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
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2310/00—Selection of sound absorbing or insulating material
    • F01N2310/04—Metallic wool, e.g. steel wool, copper wool or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2310/00—Selection of sound absorbing or insulating material
    • F01N2310/14—Wire mesh fabric, woven glass cloth or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/06—Inserting sound absorbing material into a chamber

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
FR0957346A 2009-10-20 2009-10-20 Volume d'echappement muni d'une paroi poreuse d'absorption acoustique. Expired - Fee Related FR2951495B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0957346A FR2951495B1 (fr) 2009-10-20 2009-10-20 Volume d'echappement muni d'une paroi poreuse d'absorption acoustique.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0957346A FR2951495B1 (fr) 2009-10-20 2009-10-20 Volume d'echappement muni d'une paroi poreuse d'absorption acoustique.

Publications (2)

Publication Number Publication Date
FR2951495A1 FR2951495A1 (fr) 2011-04-22
FR2951495B1 true FR2951495B1 (fr) 2011-12-23

Family

ID=42227716

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0957346A Expired - Fee Related FR2951495B1 (fr) 2009-10-20 2009-10-20 Volume d'echappement muni d'une paroi poreuse d'absorption acoustique.

Country Status (1)

Country Link
FR (1) FR2951495B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104420942A (zh) * 2013-08-30 2015-03-18 陕西合阳风动工具有限责任公司 矿用气动潜水泵消声器
CN109737651A (zh) * 2019-01-28 2019-05-10 广州迅奥汽车电子检测设备有限公司 汽车空调工质改良型回收处理装置及方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR608993A (fr) * 1926-01-06 1926-08-06 Silencieux
FR1591063A (fr) * 1968-07-09 1970-04-27
DE4127401A1 (de) * 1991-08-19 1993-02-25 Gruenzweig & Hartmann Montage Schalldaempferkulisse fuer den einsatz bei hohen temperaturen

Also Published As

Publication number Publication date
FR2951495A1 (fr) 2011-04-22

Similar Documents

Publication Publication Date Title
FR2961285B1 (fr) Tuyau a double paroi.
DE602008006022D1 (de) Gaskatalysator mit waben mit porösen wänden
DK1907748T3 (da) Rørforbindelse
DE602007004793D1 (de) Substratträgerelement
FR2933438B1 (fr) Paroi coulissante
ATE439545T1 (de) Rohrverbindung
FR2914288B3 (fr) Tube convoyeur a double paroi
GB2435269B (en) Partition wall construction
FR2951495B1 (fr) Volume d'echappement muni d'une paroi poreuse d'absorption acoustique.
GB2440532B (en) Internal partition wall
FR2888823B1 (fr) Conteneur a double paroi
DE602006007872D1 (de) Wandkonstruktion
FR2888737B1 (fr) Lit mural
FI20065332A0 (fi) Tulipesän väliseinämärakenne
ITPD20050355A1 (it) Parete attrezzata
GB0525489D0 (en) Wall construction
FR2943086B1 (fr) Section de paroi
FI20060731A0 (fi) Hirsiseinärakenne
TH89088B (th) ชิ้นส่วนผนังกั้นสำเร็จรูป
ITPA20060007U1 (it) Parete attrezzata acustica denominata sonora.
FIU20060096U0 (fi) Seinäke
NO20061526L (no) Vegg
FI20060863A0 (fi) Monitoimikulmalista
FI20060568A0 (fi) Hirsiseinärakenne
FI20050664A0 (fi) Hirsiseinärakenne

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 7

PLFP Fee payment

Year of fee payment: 8

PLFP Fee payment

Year of fee payment: 9

PLFP Fee payment

Year of fee payment: 10

PLFP Fee payment

Year of fee payment: 11

ST Notification of lapse

Effective date: 20210605