FR2604747B1 - MUFFLER FOR GAS STREAMS - Google Patents

MUFFLER FOR GAS STREAMS

Info

Publication number
FR2604747B1
FR2604747B1 FR878713797A FR8713797A FR2604747B1 FR 2604747 B1 FR2604747 B1 FR 2604747B1 FR 878713797 A FR878713797 A FR 878713797A FR 8713797 A FR8713797 A FR 8713797A FR 2604747 B1 FR2604747 B1 FR 2604747B1
Authority
FR
France
Prior art keywords
muffler
gas streams
streams
gas
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
FR878713797A
Other languages
French (fr)
Other versions
FR2604747A1 (en
Inventor
Luigi Franco
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.)
COR TUBI SpA
Original Assignee
COR TUBI 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 COR TUBI SpA filed Critical COR TUBI SpA
Publication of FR2604747A1 publication Critical patent/FR2604747A1/en
Application granted granted Critical
Publication of FR2604747B1 publication Critical patent/FR2604747B1/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
    • F01N1/24—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
    • 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
    • F01N2310/00—Selection of sound absorbing or insulating material
    • F01N2310/02—Mineral wool, e.g. glass wool, rock wool, asbestos 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
    • 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
    • F01N2470/10—Tubes having non-circular cross section
    • 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
    • F01N2470/30—Tubes with restrictions, i.e. venturi or the like, e.g. for sucking air or measuring mass flow
FR878713797A 1986-10-07 1987-10-06 MUFFLER FOR GAS STREAMS Expired - Fee Related FR2604747B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67760/86A IT1195193B (en) 1986-10-07 1986-10-07 PERFECTED DISSIPATIVE SILENCER

Publications (2)

Publication Number Publication Date
FR2604747A1 FR2604747A1 (en) 1988-04-08
FR2604747B1 true FR2604747B1 (en) 1990-11-09

Family

ID=11305084

Family Applications (1)

Application Number Title Priority Date Filing Date
FR878713797A Expired - Fee Related FR2604747B1 (en) 1986-10-07 1987-10-06 MUFFLER FOR GAS STREAMS

Country Status (3)

Country Link
DE (1) DE3733711C2 (en)
FR (1) FR2604747B1 (en)
IT (1) IT1195193B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2681905B1 (en) * 1991-09-27 1993-12-17 Erear IMPROVEMENTS ON EXHAUST MUFFLERS AND THEIR MANUFACTURING METHODS.
JP4724611B2 (en) * 2006-01-06 2011-07-13 ヤマハ発動機株式会社 Muffler and vehicle with muffler
AU2006201981A1 (en) * 2006-05-12 2007-12-06 Impulse Engine Technology P/L Exhaust muffler
DE102006060266A1 (en) * 2006-12-19 2008-07-10 Benteler Automobiltechnik Gmbh Muffler for gas carrying systems, comprises muffler chamber, having gas outlet and carries gas over inlet pipe, which meets in funnel section, which forwards flowing gas

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2583366A (en) * 1948-02-09 1952-01-22 Willard H Engels Muffler with perforated cylinder containing inwardly and rearwardly inclined holes
CH350505A (en) * 1959-05-05 1960-11-30 Jaquier Robert Exhaust
DE1772417A1 (en) * 1968-05-11 1971-03-04 Jakob Faulstroh Press Und Stan Sound dampening device intended for pulsating currents, in particular for the exhaust of internal combustion engines
FI56584C (en) * 1976-01-21 1980-02-11 Temet Oy LJUDDAEMPARE FOER LUFT- ELLER GASSTOEMNINGAR
DE3035332A1 (en) * 1980-09-19 1982-05-06 Fa. J. Eberspächer, 7300 Esslingen Exhaust silencer for tractor engines - has simply constructed casing containing absorption and reflection sections for high attenuation

Also Published As

Publication number Publication date
DE3733711C2 (en) 1996-09-12
IT1195193B (en) 1988-10-12
DE3733711A1 (en) 1988-04-21
FR2604747A1 (en) 1988-04-08
IT8667760A0 (en) 1986-10-07

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Legal Events

Date Code Title Description
ST Notification of lapse
ST Notification of lapse