DE59706856D1 - particulate Filter - Google Patents

particulate Filter

Info

Publication number
DE59706856D1
DE59706856D1 DE59706856T DE59706856T DE59706856D1 DE 59706856 D1 DE59706856 D1 DE 59706856D1 DE 59706856 T DE59706856 T DE 59706856T DE 59706856 T DE59706856 T DE 59706856T DE 59706856 D1 DE59706856 D1 DE 59706856D1
Authority
DE
Germany
Prior art keywords
filter
flow resistance
particles
complete
particulate filter
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
DE59706856T
Other languages
German (de)
Inventor
Rolf Miebach
Uwe Jung
Hans Houben
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.)
Deutz AG
Original Assignee
Deutz 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 Deutz AG filed Critical Deutz AG
Application granted granted Critical
Publication of DE59706856D1 publication Critical patent/DE59706856D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Processes For Solid Components From Exhaust (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Filtering Materials (AREA)

Abstract

The filter is regenerated by burning-off the collected particles. During this process, the exhaust pressure in front of the particle filter (3) is maintained at a level, which is required for complete burn-off of the particles. The load- independent flow resistance of a filter (1) across its complete flow profile, is at least 5% of the flow resistance of the regeneration threshold of the laden particle filter. The filter medium is formed by solid walls of porous, heat- resistant material, with a flow resistance, which is influenced by wall thickness, porosity, and degree of surface coating. The filter is preferably a honeycomb, and a drag body (4) is positioned in front of or behind it.
DE59706856T 1997-01-20 1997-12-03 particulate Filter Expired - Lifetime DE59706856D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19701684A DE19701684A1 (en) 1997-01-20 1997-01-20 Particle filter

Publications (1)

Publication Number Publication Date
DE59706856D1 true DE59706856D1 (en) 2002-05-08

Family

ID=7817750

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19701684A Withdrawn DE19701684A1 (en) 1997-01-20 1997-01-20 Particle filter
DE59706856T Expired - Lifetime DE59706856D1 (en) 1997-01-20 1997-12-03 particulate Filter

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19701684A Withdrawn DE19701684A1 (en) 1997-01-20 1997-01-20 Particle filter

Country Status (3)

Country Link
EP (1) EP0854274B1 (en)
AT (1) ATE215667T1 (en)
DE (2) DE19701684A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017218862A1 (en) 2017-10-23 2018-09-13 Audi Ag Method and device for component identification

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2930969A1 (en) * 1979-07-31 1981-02-26 Daimler Benz Ag Exhaust system for IC engines - has damper to produce adiabatic temperature rise to burn off soot in filter
JPS57159519A (en) * 1981-03-30 1982-10-01 Nippon Soken Inc Detection of clogging degree of fine particle collecting member
DE3602038C1 (en) * 1986-01-24 1987-01-02 Pattas Konstantin N Method and device for regenerating a diesel soot filter
DE4026375C1 (en) * 1990-08-21 1992-01-30 Fa. J. Eberspaecher, 7300 Esslingen, De
DE4111029C2 (en) * 1991-04-05 1995-08-31 Eberspaecher J Particle filter for the exhaust gases of internal combustion engines that can be regenerated by free burning
DE4222162C2 (en) * 1991-07-06 1997-02-20 Klaus Juergen Nord Process for rapidly achieving the ignition temperature of the pollutants in the exhaust gases of an internal combustion engine and device therefor
DE4200100A1 (en) * 1992-01-03 1993-07-08 Ernst Apparatebau Gmbh & Co SOOT FILTER FOR DIESEL ENGINES
DE69216101T2 (en) * 1992-05-13 1997-07-17 Sumitomo Electric Industries PARTICLE FILTER FOR PURIFYING DIESEL ENGINE EXHAUST GAS

Also Published As

Publication number Publication date
ATE215667T1 (en) 2002-04-15
EP0854274B1 (en) 2002-04-03
DE19701684A1 (en) 1998-07-23
EP0854274A1 (en) 1998-07-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition