FR2448033A3 - Silencieux pour systeme d'echappement de moteurs a combustion interne - Google Patents

Silencieux pour systeme d'echappement de moteurs a combustion interne

Info

Publication number
FR2448033A3
FR2448033A3 FR8002141A FR8002141A FR2448033A3 FR 2448033 A3 FR2448033 A3 FR 2448033A3 FR 8002141 A FR8002141 A FR 8002141A FR 8002141 A FR8002141 A FR 8002141A FR 2448033 A3 FR2448033 A3 FR 2448033A3
Authority
FR
France
Prior art keywords
muffler
internal combustion
combustion engine
exhaust system
engine exhaust
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.)
Granted
Application number
FR8002141A
Other languages
English (en)
Other versions
FR2448033B3 (fr
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.)
Alfa Romeo SpA
Original Assignee
Alfa Romeo SpA
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 Alfa Romeo SpA filed Critical Alfa Romeo SpA
Publication of FR2448033A3 publication Critical patent/FR2448033A3/fr
Application granted granted Critical
Publication of FR2448033B3 publication Critical patent/FR2448033B3/fr
Granted legal-status Critical Current

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 exhaust 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
    • F01N1/06—Silencing apparatus characterised by method of silencing by using interference effect
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)

Abstract

L'INVENTION CONCERNE UN SILENCIEUX POUR ECHAPPEMENT DE MOTEURS A COMBUSTION INTERNE, COMPRENANT UNE ENVELOPPE CYLINDRIQUE 10 TRAVERSEE PAR UN CONDUIT 13 QUE PARCOURENT LES GAZ D'ECHAPPEMENT ET PARTAGEE EN TROIS CHAMBRES ANNULAIRES 20, 21, 22 PAR DES CLOISONS 16, 17 PERCEES DE TROUS 18, 19. LE CONDUIT 13 COMMUNIQUE AVEC CHACUNE DE CES DERNIERES PAR DES TROUS 23, 24, 25. IL CONTIENT, DANS LA REGION DE LA CHAMBRE 21, UNE BUSE CONVERGENTE 26 ET UNE BUSE DIVERGENTE 27. APPLICATION A L'ATTENUATION DES BRUITS D'ECHAPPEMENT DANS UNE LARGE GAMME DE FREQUENCES.
FR8002141A 1979-02-01 1980-01-31 Silencieux pour systeme d'echappement de moteurs a combustion interne Granted FR2448033A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI1979U20662U IT7920662U1 (it) 1979-02-01 1979-02-01 Marmitta silenzia per un motore a combustione interna

Publications (2)

Publication Number Publication Date
FR2448033A3 true FR2448033A3 (fr) 1980-08-29
FR2448033B3 FR2448033B3 (fr) 1981-04-10

Family

ID=11170218

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8002141A Granted FR2448033A3 (fr) 1979-02-01 1980-01-31 Silencieux pour systeme d'echappement de moteurs a combustion interne

Country Status (4)

Country Link
DE (1) DE8002672U1 (fr)
FR (1) FR2448033A3 (fr)
GB (1) GB2041083B (fr)
IT (1) IT7920662U1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2197026A (en) * 1986-09-29 1988-05-11 Truscott John Henry Peycke Exhaust silencers for i.c. engines
GB2285283B (en) * 1993-12-24 1998-02-25 Apex Co Ltd Muffler for an internal combustion engine
FR2766234B1 (fr) * 1997-07-16 1999-08-20 R Montuori Sa Silencieux pour pot d'echappement
EP1691044A1 (fr) * 2005-01-14 2006-08-16 Scambia Industrial Developments AG Composants d'un système d'échappement d'un véhicule automobile
JP2007292049A (ja) 2006-03-29 2007-11-08 Yamaha Motor Co Ltd 鞍乗型車両用排気装置および鞍乗型車両
JP2007292047A (ja) 2006-03-29 2007-11-08 Yamaha Motor Co Ltd 鞍乗型車両用排気装置および鞍乗型車両
JP2007292048A (ja) 2006-03-29 2007-11-08 Yamaha Motor Co Ltd 鞍乗型車両用排気装置および鞍乗型車両

Also Published As

Publication number Publication date
GB2041083B (en) 1982-12-22
FR2448033B3 (fr) 1981-04-10
IT7920662U1 (it) 1980-08-01
DE8002672U1 (de) 1980-04-30
GB2041083A (en) 1980-09-03
IT7920662V0 (it) 1979-02-01

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