DE3939921C2 - - Google Patents

Info

Publication number
DE3939921C2
DE3939921C2 DE3939921A DE3939921A DE3939921C2 DE 3939921 C2 DE3939921 C2 DE 3939921C2 DE 3939921 A DE3939921 A DE 3939921A DE 3939921 A DE3939921 A DE 3939921A DE 3939921 C2 DE3939921 C2 DE 3939921C2
Authority
DE
Germany
Prior art keywords
inner tube
tube
exhaust
exhaust gas
catalyst
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 - Lifetime
Application number
DE3939921A
Other languages
German (de)
English (en)
Other versions
DE3939921A1 (de
Inventor
Rainer Dr. 8755 Alzenau De Domesle
Bernd Dr. 6450 Hanau De Engler
Edgar Dr. 8755 Alzenau De Koberstein
Ulrich 6230 Frankfurt De Plotzke
Herbert 6721 Zeiskam De Voelker
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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6394688&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3939921(C2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Degussa GmbH filed Critical Degussa GmbH
Priority to DE3939921A priority Critical patent/DE3939921A1/de
Priority to AT90122290T priority patent/ATE106112T1/de
Priority to EP90122290A priority patent/EP0431405B1/de
Priority to DE59005813T priority patent/DE59005813D1/de
Priority to JP02330819A priority patent/JP3140044B2/ja
Priority to BR909006082A priority patent/BR9006082A/pt
Priority to CN90109622A priority patent/CN1027004C/zh
Priority to KR1019900019683A priority patent/KR0171890B1/ko
Publication of DE3939921A1 publication Critical patent/DE3939921A1/de
Publication of DE3939921C2 publication Critical patent/DE3939921C2/de
Application granted granted Critical
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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • 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
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2807—Metal other than sintered metal
    • 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
    • F01N1/089—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using two or more expansion chambers in series
    • 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 exhaust gas passages, pipes or tubes
    • F01N2470/02—Tubes being perforated
    • F01N2470/04—Tubes being perforated characterised by shape, disposition or dimensions of apertures
    • 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
    • F01N2490/02—Two or more expansion chambers in series connected by means of tubes
    • F01N2490/04—Two or more expansion chambers in series connected by means of tubes the gases flowing longitudinally from inlet to outlet only in one direction
    • 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
    • F01N2510/00—Surface coverings
    • F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
DE3939921A 1989-12-02 1989-12-02 Anordnung zur katalytischen reinigung der auspuffgase von verbrennungsmotoren, insbesondere nach dem zweitaktprinzip Granted DE3939921A1 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DE3939921A DE3939921A1 (de) 1989-12-02 1989-12-02 Anordnung zur katalytischen reinigung der auspuffgase von verbrennungsmotoren, insbesondere nach dem zweitaktprinzip
AT90122290T ATE106112T1 (de) 1989-12-02 1990-11-22 Abgasreinigungssystem zur katalytischen reinigung der auspuffgase von zweitaktmotoren.
EP90122290A EP0431405B1 (de) 1989-12-02 1990-11-22 Abgasreinigungssystem zur katalytischen Reinigung der Auspuffgase von Zweitaktmotoren
DE59005813T DE59005813D1 (de) 1989-12-02 1990-11-22 Abgasreinigungssystem zur katalytischen Reinigung der Auspuffgase von Zweitaktmotoren.
JP02330819A JP3140044B2 (ja) 1989-12-02 1990-11-30 内燃機関の排気ガスの接触清浄化装置
BR909006082A BR9006082A (pt) 1989-12-02 1990-11-30 Disposicao para a purificacao catalitica dos gases de descarga de motores de combustao interna,especialmente segundo o principio de dois tempos
CN90109622A CN1027004C (zh) 1989-12-02 1990-12-01 内燃机特别是两冲程内燃机的废气催化净化装置
KR1019900019683A KR0171890B1 (en) 1989-12-02 1990-12-01 Arrangement for the catalytic purification of the exhaust gases of internal combustion engines, in particular two-strok engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3939921A DE3939921A1 (de) 1989-12-02 1989-12-02 Anordnung zur katalytischen reinigung der auspuffgase von verbrennungsmotoren, insbesondere nach dem zweitaktprinzip

Publications (2)

Publication Number Publication Date
DE3939921A1 DE3939921A1 (de) 1991-06-06
DE3939921C2 true DE3939921C2 (enrdf_load_stackoverflow) 1992-11-05

Family

ID=6394688

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3939921A Granted DE3939921A1 (de) 1989-12-02 1989-12-02 Anordnung zur katalytischen reinigung der auspuffgase von verbrennungsmotoren, insbesondere nach dem zweitaktprinzip
DE59005813T Expired - Fee Related DE59005813D1 (de) 1989-12-02 1990-11-22 Abgasreinigungssystem zur katalytischen Reinigung der Auspuffgase von Zweitaktmotoren.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE59005813T Expired - Fee Related DE59005813D1 (de) 1989-12-02 1990-11-22 Abgasreinigungssystem zur katalytischen Reinigung der Auspuffgase von Zweitaktmotoren.

Country Status (7)

Country Link
EP (1) EP0431405B1 (enrdf_load_stackoverflow)
JP (1) JP3140044B2 (enrdf_load_stackoverflow)
KR (1) KR0171890B1 (enrdf_load_stackoverflow)
CN (1) CN1027004C (enrdf_load_stackoverflow)
AT (1) ATE106112T1 (enrdf_load_stackoverflow)
BR (1) BR9006082A (enrdf_load_stackoverflow)
DE (2) DE3939921A1 (enrdf_load_stackoverflow)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5958829A (en) * 1992-02-14 1999-09-28 Degussa-Huls Aktiengesellschaft Coating dispersion for exhaust gas catalysts
FR2687431B1 (fr) * 1992-02-14 1995-07-13 Inst Francais Du Petrole Tubulure d'echappement a paroi catalytique pour moteurs a combustion interne.
DE4244712C2 (de) * 1992-02-14 1996-09-05 Degussa Beschichtungsdispersion zur Herstellung von kalysefördernden Überzügen auf einem inerten, strukturverstärkenden Körper
IT1267642B1 (it) * 1993-12-09 1997-02-07 Honda Motor Co Ltd Dispositivo di scarico
CN1044932C (zh) * 1994-07-14 1999-09-01 财团法人工业技术研究院 机车用管状式触媒净化装置
JP3257906B2 (ja) * 1994-09-05 2002-02-18 本田技研工業株式会社 エンジンの排気浄化装置
JP3369335B2 (ja) * 1994-11-07 2003-01-20 本田技研工業株式会社 排気浄化装置
FR2744138B1 (fr) * 1996-01-25 1998-05-15 Ecia Equip Composants Ind Auto Utilisation d'un acier faiblement allie aluminie pour la fabrication d'une piece de la partie avant d'une ligne d'echappement et piece d'echappement obtenue
DE19921609A1 (de) * 1999-05-10 2000-11-16 Emitec Emissionstechnologie Wabenkörperanordnung mit verschiedenen Abschnitten in einem Mantelrohr
JP2002070546A (ja) * 2000-09-04 2002-03-08 Shinba Iron Works Inc 触媒パイプを装着した排気系管とその製造方法
JP2011064192A (ja) * 2009-08-21 2011-03-31 Nichias Corp 自動車用排気管
US9790836B2 (en) 2012-11-20 2017-10-17 Tenneco Automotive Operating Company, Inc. Loose-fill insulation exhaust gas treatment device and methods of manufacturing
BR112018069353A2 (pt) * 2016-03-22 2019-01-22 Yamaha Motor Co Ltd veículo do tipo para montar
WO2017200013A1 (ja) * 2016-05-20 2017-11-23 株式会社キャタラー ２ストローク汎用エンジン用排ガス浄化触媒
IT201700061755A1 (it) * 2017-06-06 2018-12-06 Vins S R L Motore termico a combustione interna a due tempi con catalizzatore allo scarico

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3061416A (en) * 1957-11-22 1962-10-30 George P Kazokas Catalytic muffler
DE2942728A1 (de) * 1979-10-23 1981-05-07 Bremshey Ag, 5650 Solingen Doppelwandige auspuffrohrleitung
DE3415075C2 (de) * 1984-04-21 1986-05-22 Insumma GmbH, 8500 Nürnberg Vorrichtung zur Reinigung von Abgasen, insbesondere für Dieselmotoren
AT396170B (de) * 1989-06-01 1993-06-25 Laimboeck Franz Auspuffanlage fuer zweitakt-brennkraftmaschinen

Also Published As

Publication number Publication date
BR9006082A (pt) 1991-09-24
DE3939921A1 (de) 1991-06-06
KR910012501A (ko) 1991-08-08
ATE106112T1 (de) 1994-06-15
DE59005813D1 (de) 1994-06-30
JP3140044B2 (ja) 2001-03-05
JPH03229913A (ja) 1991-10-11
CN1027004C (zh) 1994-12-14
EP0431405B1 (de) 1994-05-25
KR0171890B1 (en) 1999-03-20
EP0431405A1 (de) 1991-06-12
CN1052355A (zh) 1991-06-19

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee