FR2450945B1 - - Google Patents

Info

Publication number
FR2450945B1
FR2450945B1 FR8005109A FR8005109A FR2450945B1 FR 2450945 B1 FR2450945 B1 FR 2450945B1 FR 8005109 A FR8005109 A FR 8005109A FR 8005109 A FR8005109 A FR 8005109A FR 2450945 B1 FR2450945 B1 FR 2450945B1
Authority
FR
France
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
FR8005109A
Other languages
French (fr)
Other versions
FR2450945A1 (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.)
ROTH KG M
Original Assignee
ROTH KG M
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 ROTH KG M filed Critical ROTH KG M
Publication of FR2450945A1 publication Critical patent/FR2450945A1/fr
Application granted granted Critical
Publication of FR2450945B1 publication Critical patent/FR2450945B1/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
    • F01N1/02—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 exhaust 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
    • 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)
FR8005109A 1979-03-05 1980-03-04 Silencieux pour moteurs a combustion interne Granted FR2450945A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2908506A DE2908506C2 (de) 1979-03-05 1979-03-05 Schalldämpfer für Verbrennungskraftmaschinen

Publications (2)

Publication Number Publication Date
FR2450945A1 FR2450945A1 (fr) 1980-10-03
FR2450945B1 true FR2450945B1 (enExample) 1985-03-22

Family

ID=6064514

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8005109A Granted FR2450945A1 (fr) 1979-03-05 1980-03-04 Silencieux pour moteurs a combustion interne

Country Status (7)

Country Link
US (1) US4333544A (enExample)
BE (1) BE882042A (enExample)
DE (1) DE2908506C2 (enExample)
FR (1) FR2450945A1 (enExample)
GB (1) GB2045860B (enExample)
IT (1) IT1127381B (enExample)
NL (1) NL182501C (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8014453U1 (de) * 1980-05-29 1981-11-12 Roth Technik GmbH, 7560 Gaggenau Schalldaempfer
JPS60167126U (ja) * 1984-04-13 1985-11-06 日産自動車株式会社 自動車用エンジンの排気装置
DE3417207C2 (de) * 1984-05-09 1992-09-03 LEISTRITZ Maschinenfabrik GmbH, 8500 Nürnberg Reflexions-Abgasschalldämpfer
DE59100068D1 (de) * 1990-04-30 1993-05-06 Beidl Christian Auspuffschalldaempfer, insbesondere fuer zweitakt-brennkraftmaschinen mit nachgeordnetem katalysator.
DE10107040A1 (de) * 2001-02-17 2002-08-29 Zeuna Staerker Kg Kraftfahrzeug-Schalldämpfer
CN1318758C (zh) * 2001-06-08 2007-05-30 巴西船用压缩机有限公司 用于往复式气密压缩机的真空消音器
JP2003239717A (ja) * 2002-02-18 2003-08-27 Nissan Motor Co Ltd 消音装置
US20080093162A1 (en) * 2006-10-23 2008-04-24 Marocco Gregory M Gas flow sound attenuation device
JP5909425B2 (ja) * 2012-01-18 2016-04-26 本田技研工業株式会社 エンジンの排気装置
US8820475B2 (en) * 2012-12-05 2014-09-02 Caterpillar Inc. Exhaust muffler
US10513956B2 (en) * 2016-07-28 2019-12-24 Tarkan FAHRI Muffler assembly
CN107170436A (zh) * 2017-07-26 2017-09-15 安徽理工大学 一种折叠式共振消音方法与复合装置
CN108915997B (zh) * 2018-08-24 2024-06-18 珠海格力节能环保制冷技术研究中心有限公司 消声器、压缩机组件及冰箱
KR102869234B1 (ko) * 2020-05-13 2025-10-10 현대자동차주식회사 차량의 배기계 소음 저감 장치
CN115163495A (zh) * 2022-07-15 2022-10-11 江森自控空调冷冻设备(无锡)有限公司 消声单元和消声结构

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1023644A (en) * 1910-11-22 1912-04-16 Joseph Hall Exhaust-muffler.
FR522976A (fr) * 1919-05-22 1921-08-09 Hugo Schneebeli Pot d'échappement silencieux pour moteurs à combustion interne
GB435423A (en) * 1934-05-11 1935-09-20 Benjamin Hilbourne Gollop Silencers for gases, particularly exhaust gases of internal-combustion engines
DE638787C (de) * 1935-10-23 1936-11-23 Georg Kaul Schalldaempfer fuer Brennkraftmaschinen
DE673447C (de) * 1937-05-15 1939-10-30 Eberspaecher J Schalldaempfer, insbesondere fuer Brennkraftmaschinen, mit hintereinanderliegenden, durch mehrere Rohre miteinander verbundenen Kammern
DE893593C (de) * 1940-06-15 1953-10-19 Eberspaecher J Schalldaempfereinrichtung fuer Ansaugen bzw. fuer Auspuff von Luft oder anderen Gasen
US2397208A (en) * 1941-02-21 1946-03-26 Maxim Silencer Co Waste heat utilizer
FR886269A (fr) * 1941-10-25 1943-10-11 Eberspaecher J Silencieux
US2392989A (en) * 1943-12-17 1946-01-15 Sr Edward Albert Kliewer Engine exhaust muffler
DE918062C (de) * 1948-12-31 1954-09-16 Leistritz Maschfabrik Paul Schalldaempfer mit aufeinanderfolgenden Kammern
CA1014028A (en) * 1974-01-24 1977-07-19 Raymon E. Hunt Muffler method and apparatus
US4079810A (en) * 1976-06-10 1978-03-21 Arvin Industries, Inc. Muffler
DE2638632A1 (de) * 1976-08-27 1978-03-02 Leistritz Hans Karl Verbundsystem zwischen keramikkoerpern und blechteilen bei abgasanlagen von verbrennungsmotoren
US4109755A (en) * 1976-10-04 1978-08-29 Tenneco, Inc. Noise attenuator
US4143739A (en) * 1977-05-09 1979-03-13 Nelson Industries, Inc. Concentric pass-type muffler construction
GB2435423A (en) * 2006-02-22 2007-08-29 Chou Chang-Tsung Three-dimensional absorbent dressing comprising slow release agent

Also Published As

Publication number Publication date
IT1127381B (it) 1986-05-21
BE882042A (fr) 1980-07-01
DE2908506C2 (de) 1985-01-31
NL182501C (nl) 1988-03-16
US4333544A (en) 1982-06-08
NL8001300A (nl) 1980-09-09
GB2045860B (en) 1983-05-11
GB2045860A (en) 1980-11-05
IT8048057A0 (it) 1980-03-03
DE2908506A1 (de) 1980-09-11
NL182501B (nl) 1987-10-16
FR2450945A1 (fr) 1980-10-03

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse
AR Application made for restoration
BR Restoration of rights
ST Notification of lapse