FR1149456A - Improvements to silencers, especially for internal combustion engines - Google Patents

Improvements to silencers, especially for internal combustion engines

Info

Publication number
FR1149456A
FR1149456A FR1149456DA FR1149456A FR 1149456 A FR1149456 A FR 1149456A FR 1149456D A FR1149456D A FR 1149456DA FR 1149456 A FR1149456 A FR 1149456A
Authority
FR
France
Prior art keywords
silencers
internal combustion
combustion engines
engines
internal
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
Application number
Other languages
French (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.)
ANDRE BOET ET CIE
Original Assignee
ANDRE BOET ET CIE
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 ANDRE BOET ET CIE filed Critical ANDRE BOET ET CIE
Application granted granted Critical
Publication of FR1149456A publication Critical patent/FR1149456A/en
Expired 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
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F01N1/12—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using spirally or helically shaped channels
    • F01N1/125—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using spirally or helically shaped channels in combination with sound-absorbing materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR1149456D 1955-10-29 1955-10-29 Improvements to silencers, especially for internal combustion engines Expired FR1149456A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1149456T 1955-10-29

Publications (1)

Publication Number Publication Date
FR1149456A true FR1149456A (en) 1957-12-26

Family

ID=9646780

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1149456D Expired FR1149456A (en) 1955-10-29 1955-10-29 Improvements to silencers, especially for internal combustion engines

Country Status (1)

Country Link
FR (1) FR1149456A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3851727A (en) * 1974-04-19 1974-12-03 Caterpillar Tractor Co Muffler with insulated internal sound dispersing and absorbing chambers
FR2498680A1 (en) * 1981-01-29 1982-07-30 Flahault Claude Noise damping insert for exhaust pipe - comprises spiral wound rigid strip with blind punched holes to regularise flow
US4533015A (en) * 1983-02-28 1985-08-06 Hisao Kojima Sound arresting device
WO1998019054A1 (en) 1996-10-31 1998-05-07 Deutsches Zentrum für Luft- und Raumfahrt e.V. Exhaust muff
EP1475520A1 (en) * 2003-05-09 2004-11-10 Grupo de Aplicaciones y Mantenimiento Ecologico, S.L. Improved acoustic silencer

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3851727A (en) * 1974-04-19 1974-12-03 Caterpillar Tractor Co Muffler with insulated internal sound dispersing and absorbing chambers
FR2498680A1 (en) * 1981-01-29 1982-07-30 Flahault Claude Noise damping insert for exhaust pipe - comprises spiral wound rigid strip with blind punched holes to regularise flow
US4533015A (en) * 1983-02-28 1985-08-06 Hisao Kojima Sound arresting device
WO1998019054A1 (en) 1996-10-31 1998-05-07 Deutsches Zentrum für Luft- und Raumfahrt e.V. Exhaust muff
DE19644089A1 (en) * 1996-10-31 1998-05-14 Deutsch Zentr Luft & Raumfahrt Silencer
EP1475520A1 (en) * 2003-05-09 2004-11-10 Grupo de Aplicaciones y Mantenimiento Ecologico, S.L. Improved acoustic silencer

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