FR3018309B1 - SILENCER FOR EXHAUST LINE WITH TWO ENCLOSURES AND CONCENTRIC CONDUITS - Google Patents

SILENCER FOR EXHAUST LINE WITH TWO ENCLOSURES AND CONCENTRIC CONDUITS

Info

Publication number
FR3018309B1
FR3018309B1 FR1451859A FR1451859A FR3018309B1 FR 3018309 B1 FR3018309 B1 FR 3018309B1 FR 1451859 A FR1451859 A FR 1451859A FR 1451859 A FR1451859 A FR 1451859A FR 3018309 B1 FR3018309 B1 FR 3018309B1
Authority
FR
France
Prior art keywords
silencer
enclosures
exhaust line
concentric conduits
conduits
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
FR1451859A
Other languages
French (fr)
Other versions
FR3018309A1 (en
Inventor
Jean-Paul Brunel
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 FR1451859A priority Critical patent/FR3018309B1/en
Publication of FR3018309A1 publication Critical patent/FR3018309A1/en
Application granted granted Critical
Publication of FR3018309B1 publication Critical patent/FR3018309B1/en
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
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • 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
    • F01N13/02—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 having two or more separate silencers in series
    • 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
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/02—Tubes being perforated
    • 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
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/24—Concentric tubes or tubes being concentric to housing, e.g. telescopically assembled

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
FR1451859A 2014-03-07 2014-03-07 SILENCER FOR EXHAUST LINE WITH TWO ENCLOSURES AND CONCENTRIC CONDUITS Expired - Fee Related FR3018309B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1451859A FR3018309B1 (en) 2014-03-07 2014-03-07 SILENCER FOR EXHAUST LINE WITH TWO ENCLOSURES AND CONCENTRIC CONDUITS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1451859A FR3018309B1 (en) 2014-03-07 2014-03-07 SILENCER FOR EXHAUST LINE WITH TWO ENCLOSURES AND CONCENTRIC CONDUITS

Publications (2)

Publication Number Publication Date
FR3018309A1 FR3018309A1 (en) 2015-09-11
FR3018309B1 true FR3018309B1 (en) 2016-04-15

Family

ID=50829138

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1451859A Expired - Fee Related FR3018309B1 (en) 2014-03-07 2014-03-07 SILENCER FOR EXHAUST LINE WITH TWO ENCLOSURES AND CONCENTRIC CONDUITS

Country Status (1)

Country Link
FR (1) FR3018309B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11236653B2 (en) 2019-01-24 2022-02-01 Caterpillar Inc. Multi-chambered sound attenuation with resonant frequency targeting

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3144191A1 (en) * 2022-12-21 2024-06-28 Renault S.A.S Device for exhausting combustion gases from a vehicle with a thermal engine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3338331A (en) * 1965-03-05 1967-08-29 Walker Mfg Co Exhaust system with plural silencing units
GB2049035A (en) * 1979-05-25 1980-12-17 Novex Foreign Trade Co Ltd Silencing Gaseous Flow

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11236653B2 (en) 2019-01-24 2022-02-01 Caterpillar Inc. Multi-chambered sound attenuation with resonant frequency targeting

Also Published As

Publication number Publication date
FR3018309A1 (en) 2015-09-11

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