FR2643677B1 - MUFFLER FOR A VEHICLE EXHAUST SYSTEM - Google Patents

MUFFLER FOR A VEHICLE EXHAUST SYSTEM

Info

Publication number
FR2643677B1
FR2643677B1 FR8917417A FR8917417A FR2643677B1 FR 2643677 B1 FR2643677 B1 FR 2643677B1 FR 8917417 A FR8917417 A FR 8917417A FR 8917417 A FR8917417 A FR 8917417A FR 2643677 B1 FR2643677 B1 FR 2643677B1
Authority
FR
France
Prior art keywords
muffler
exhaust system
vehicle exhaust
vehicle
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.)
Expired - Fee Related
Application number
FR8917417A
Other languages
French (fr)
Other versions
FR2643677A1 (en
Inventor
Mario Santarelli
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.)
Marelli Europe SpA
Original Assignee
Gilardini 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 Gilardini SpA filed Critical Gilardini SpA
Publication of FR2643677A1 publication Critical patent/FR2643677A1/en
Application granted granted Critical
Publication of FR2643677B1 publication Critical patent/FR2643677B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F01N1/02—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
    • F01N1/02—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
    • 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
    • F01N1/084—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases flowing through the silencer two or more times longitudinally in opposite directions, e.g. using parallel or concentric tubes
    • 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
    • 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
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/15—Plurality of resonance or dead 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
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/15—Plurality of resonance or dead chambers
    • F01N2490/155—Plurality of resonance or dead chambers being disposed one after the other in flow direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
FR8917417A 1989-02-24 1989-12-29 MUFFLER FOR A VEHICLE EXHAUST SYSTEM Expired - Fee Related FR2643677B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT5289589U IT216947Z2 (en) 1989-02-24 1989-02-24 SILENCER FOR A VEHICLE EXHAUST SYSTEM

Publications (2)

Publication Number Publication Date
FR2643677A1 FR2643677A1 (en) 1990-08-31
FR2643677B1 true FR2643677B1 (en) 1993-04-23

Family

ID=11278332

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8917417A Expired - Fee Related FR2643677B1 (en) 1989-02-24 1989-12-29 MUFFLER FOR A VEHICLE EXHAUST SYSTEM

Country Status (5)

Country Link
DE (1) DE3943372A1 (en)
ES (1) ES1012492Y (en)
FR (1) FR2643677B1 (en)
GB (1) GB2228535A (en)
IT (1) IT216947Z2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9307567U1 (en) * 1993-05-18 1994-09-29 Roth Technik Gmbh Exhaust silencer
JP5912221B2 (en) * 2010-02-01 2016-04-27 フタバ産業株式会社 Muffler for internal combustion engine

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB744434A (en) * 1953-10-16 1956-02-08 Frank Hankinson Kyffin Improvements in or relating to silencers for exhaust gases
GB773657A (en) * 1955-06-09 1957-05-01 Jaroslav Nemec Improvements in or relating to silencers for internal-combustion engines
GB1084819A (en) * 1963-11-14 1967-09-27 Gordon Edwardes Lind Walder Improved form of silencer for the exhaust gases from internal combustion engines
DE1294392B (en) * 1964-10-15 1969-05-08 Eberspaecher J Exhaust silencer with several chambers one behind the other
US3741336A (en) * 1971-06-10 1973-06-26 Tenneco Inc Expansion type silencer
US4342373A (en) * 1981-03-17 1982-08-03 Tenneco Inc. Muffler with three part welded joint
DE3246218A1 (en) * 1982-12-14 1984-06-14 Kaari, Kauko, Dipl.-Ing., 00270 Helsinki Method and device for improving the performance capability and efficiency of an internal-combustion engine and for reducing the pollution load produced by it
DE3417207C2 (en) * 1984-05-09 1992-09-03 LEISTRITZ Maschinenfabrik GmbH, 8500 Nürnberg Reflection exhaust silencer
DE3506150A1 (en) * 1985-02-22 1986-08-28 Heidemann-Werke GmbH & Co KG, 3352 Einbeck Silencer for an internal combustion engine
DE8709527U1 (en) * 1987-07-10 1987-10-15 Paul Gillet Gmbh, 6732 Edenkoben, De
JPH0725245B2 (en) * 1987-09-04 1995-03-22 三菱自動車工業株式会社 Vehicle suspension system
FR2733276B1 (en) * 1995-04-18 1997-05-16 Etheve Pierre EXHAUST MUFFLER FOR MOTOR VEHICLE

Also Published As

Publication number Publication date
DE3943372A1 (en) 1990-08-30
FR2643677A1 (en) 1990-08-31
GB8929270D0 (en) 1990-02-28
IT8952895V0 (en) 1989-02-24
ES1012492U (en) 1990-08-16
IT216947Z2 (en) 1991-10-11
ES1012492Y (en) 1991-03-01
GB2228535A (en) 1990-08-29

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Legal Events

Date Code Title Description
ST Notification of lapse