FR1158817A - Protective device for maintaining the acoustic resistance of absorbent substances and the acoustic tuning of vessels subjected to oscillatory stresses, filled with absorbent substances for pulsating flow - Google Patents

Protective device for maintaining the acoustic resistance of absorbent substances and the acoustic tuning of vessels subjected to oscillatory stresses, filled with absorbent substances for pulsating flow

Info

Publication number
FR1158817A
FR1158817A FR1158817DA FR1158817A FR 1158817 A FR1158817 A FR 1158817A FR 1158817D A FR1158817D A FR 1158817DA FR 1158817 A FR1158817 A FR 1158817A
Authority
FR
France
Prior art keywords
absorbent substances
acoustic
maintaining
filled
protective device
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.)
Eberspaecher Climate Control Systems GmbH and Co KG
Original Assignee
J Eberspaecher GmbH and Co KG
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 J Eberspaecher GmbH and Co KG filed Critical J Eberspaecher GmbH and Co KG
Application granted granted Critical
Publication of FR1158817A publication Critical patent/FR1158817A/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
    • 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
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • 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
    • 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
    • F01N2310/00—Selection of sound absorbing or insulating material
    • F01N2310/04—Metallic wool, e.g. steel wool, copper wool 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
    • F01N2470/24—Concentric tubes or tubes being concentric to housing, e.g. telescopically assembled
    • 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
    • F01N2530/00—Selection of materials for tubes, chambers or housings
    • F01N2530/26—Multi-layered walls

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
FR1158817D 1955-09-06 1956-08-21 Protective device for maintaining the acoustic resistance of absorbent substances and the acoustic tuning of vessels subjected to oscillatory stresses, filled with absorbent substances for pulsating flow Expired FR1158817A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEE11245A DE1031055B (en) 1955-09-06 1955-09-06 Container with sound absorption filling and guide channel for pulsating gas flow, in particular sound absorbers for internal combustion engines

Publications (1)

Publication Number Publication Date
FR1158817A true FR1158817A (en) 1958-06-19

Family

ID=7068057

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1158817D Expired FR1158817A (en) 1955-09-06 1956-08-21 Protective device for maintaining the acoustic resistance of absorbent substances and the acoustic tuning of vessels subjected to oscillatory stresses, filled with absorbent substances for pulsating flow

Country Status (3)

Country Link
DE (1) DE1031055B (en)
FR (1) FR1158817A (en)
GB (1) GB841828A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3175640A (en) * 1961-04-19 1965-03-30 Fukuo Saeki Muffling devices for air handling systems
US3209861A (en) * 1963-10-28 1965-10-05 Walker Mfg Co Muffler with two longitudinally separated chambers
DE3205185A1 (en) * 1982-02-13 1983-08-25 Wilfried 6238 Hofheim Seitz Process for producing a sound-absorbing filling for a silencer as well as sound-absorbing filling produced by this process

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3688870A (en) * 1971-08-26 1972-09-05 Stephen J Gibel Through-flow aspirator muffler
US3688868A (en) * 1971-08-26 1972-09-05 Stephen J Gibel Expansion chambered, fail-safe muffler
US3941206A (en) * 1974-05-08 1976-03-02 Burgess Industries Incorporated Noise attenuating snubber
US4314621A (en) * 1979-03-07 1982-02-09 Caterpillar Tractor Co. Fluidborne noise attenuator
US4421202A (en) * 1981-03-20 1983-12-20 Peabody Abc Corporation Sound attenuator
GB2106591B (en) * 1981-08-26 1985-09-11 Lancaster Glass Fibre Fibrous insert for an i c engine exhaust silencer
JP2003041923A (en) * 2001-07-30 2003-02-13 Honda Motor Co Ltd Exhaust muffler
EP1507071B2 (en) 2003-08-11 2019-10-16 Faurecia Emissions Control Technologies, Germany GmbH Exhaust silencer
CN104564241A (en) * 2015-01-23 2015-04-29 安徽江淮汽车股份有限公司 Exhaust muffler
FR3060649B1 (en) * 2016-12-19 2019-08-02 Renault S.A.S MOTOR VEHICLE EXHAUST LINE HAVING NOISE LIMITATION MEANS
CN109424390A (en) * 2017-08-30 2019-03-05 湖北福田专用汽车有限公司 Silencing exhaust pipe device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE665167C (en) * 1935-12-09 1938-09-22 Servais Silencers Ltd Absorbent material for silencers
GB495576A (en) * 1937-05-22 1938-11-16 Fernand Jiles Joseph Servais Improvements in and relating to silencers for gaseous currents
GB498533A (en) * 1937-07-30 1939-01-10 Francois Cementation Co Ltd Improvements in or relating to silencers for exhaust and other gaseous currents
US2583366A (en) * 1948-02-09 1952-01-22 Willard H Engels Muffler with perforated cylinder containing inwardly and rearwardly inclined holes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3175640A (en) * 1961-04-19 1965-03-30 Fukuo Saeki Muffling devices for air handling systems
US3209861A (en) * 1963-10-28 1965-10-05 Walker Mfg Co Muffler with two longitudinally separated chambers
DE3205185A1 (en) * 1982-02-13 1983-08-25 Wilfried 6238 Hofheim Seitz Process for producing a sound-absorbing filling for a silencer as well as sound-absorbing filling produced by this process

Also Published As

Publication number Publication date
GB841828A (en) 1960-07-20
DE1031055B (en) 1958-05-29

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