DE4025933C2 - - Google Patents

Info

Publication number
DE4025933C2
DE4025933C2 DE19904025933 DE4025933A DE4025933C2 DE 4025933 C2 DE4025933 C2 DE 4025933C2 DE 19904025933 DE19904025933 DE 19904025933 DE 4025933 A DE4025933 A DE 4025933A DE 4025933 C2 DE4025933 C2 DE 4025933C2
Authority
DE
Germany
Prior art keywords
exhaust gas
channels
buffer body
purification device
gas purification
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
DE19904025933
Other languages
German (de)
English (en)
Other versions
DE4025933A1 (de
Inventor
Horst Dr. 6270 Idstein De Kalfa
Wilfried Dr. 6222 Geisenheim De Schuetz
Christian Dr. 6200 Wiesbaden De Streuber
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.)
Didier Werke AG
Original Assignee
Didier Werke AG
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 Didier Werke AG filed Critical Didier Werke AG
Priority to DE19904025933 priority Critical patent/DE4025933A1/de
Priority to EP91111539A priority patent/EP0471186A1/de
Publication of DE4025933A1 publication Critical patent/DE4025933A1/de
Application granted granted Critical
Publication of DE4025933C2 publication Critical patent/DE4025933C2/de
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
    • F01N3/2882—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices
    • 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
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/02—Combinations of different methods of purification filtering and catalytic conversion
    • 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
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (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)
  • Processes For Solid Components From Exhaust (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
DE19904025933 1990-08-16 1990-08-16 Abgasreinigungseinrichtung fuer einen dieselmotor Granted DE4025933A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19904025933 DE4025933A1 (de) 1990-08-16 1990-08-16 Abgasreinigungseinrichtung fuer einen dieselmotor
EP91111539A EP0471186A1 (de) 1990-08-16 1991-07-11 Abgasreinigungseinrichtung für einen Dieselmotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19904025933 DE4025933A1 (de) 1990-08-16 1990-08-16 Abgasreinigungseinrichtung fuer einen dieselmotor

Publications (2)

Publication Number Publication Date
DE4025933A1 DE4025933A1 (de) 1992-02-20
DE4025933C2 true DE4025933C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-05-27

Family

ID=6412343

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19904025933 Granted DE4025933A1 (de) 1990-08-16 1990-08-16 Abgasreinigungseinrichtung fuer einen dieselmotor

Country Status (2)

Country Link
EP (1) EP0471186A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE4025933A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7716922B2 (en) 2006-10-20 2010-05-18 International Truck Intellectual Property Company, Llc Diesel particulate filter (DPF) in-chassis cleaning method
DE102018206442A1 (de) 2018-04-26 2019-10-31 Hyundai Motor Company Abgasnachbehandlungssystem und Verfahren zur Behandlung von Motorabgasen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3672160A (en) * 1971-05-20 1972-06-27 Dae Sik Kim System for producing substantially pollution-free hot gas under pressure for use in a prime mover
DE2946947A1 (de) * 1979-11-21 1981-06-04 Degussa Ag, 6000 Frankfurt Ueberhitzungsgeschuetzter katalysator
DE3322439A1 (de) * 1983-06-22 1985-01-03 Bedia Maschinenfabrik Verwaltungs GmbH, 5300 Bonn Einrichtung zur verminderung der schadstoffanteile in den abgasen eines verbrennungsmotors
DE3716446A1 (de) * 1987-05-16 1988-12-01 Dornier System Gmbh Katalytisches dieselruss-filter
JPH01159029A (ja) * 1987-12-16 1989-06-22 Toyota Motor Corp ディーゼルエンジンの排気浄化装置

Also Published As

Publication number Publication date
DE4025933A1 (de) 1992-02-20
EP0471186A1 (de) 1992-02-19

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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