DE69804820D1 - Regeneration eines nox-speichers - Google Patents

Regeneration eines nox-speichers

Info

Publication number
DE69804820D1
DE69804820D1 DE69804820T DE69804820T DE69804820D1 DE 69804820 D1 DE69804820 D1 DE 69804820D1 DE 69804820 T DE69804820 T DE 69804820T DE 69804820 T DE69804820 T DE 69804820T DE 69804820 D1 DE69804820 D1 DE 69804820D1
Authority
DE
Germany
Prior art keywords
regeneration
nox storage
nox
storage
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
DE69804820T
Other languages
English (en)
Other versions
DE69804820T2 (de
Inventor
Tsoi-Hei Ma
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.)
Ford Global Technologies LLC
Original Assignee
Ford Global Technologies LLC
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 Ford Global Technologies LLC filed Critical Ford Global Technologies LLC
Publication of DE69804820D1 publication Critical patent/DE69804820D1/de
Application granted granted Critical
Publication of DE69804820T2 publication Critical patent/DE69804820T2/de
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
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
    • F01N3/0885—Regeneration of deteriorated absorbents or adsorbents, e.g. desulfurization of NOx traps
    • 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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0842—Nitrogen oxides
    • 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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
    • 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
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/20—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a flow director or deflector
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/08—Adding substances to exhaust gases with prior mixing of the substances with a gas, e.g. air
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
DE69804820T 1997-09-13 1998-09-11 Regeneration eines nox-speichers Expired - Lifetime DE69804820T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9719445A GB2330089A (en) 1997-09-13 1997-09-13 Purging of an NOx trap
PCT/GB1998/002758 WO1999014467A1 (en) 1997-09-13 1998-09-11 PURGING OF AN NOx TRAP

Publications (2)

Publication Number Publication Date
DE69804820D1 true DE69804820D1 (de) 2002-05-16
DE69804820T2 DE69804820T2 (de) 2002-08-29

Family

ID=10818986

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69804820T Expired - Lifetime DE69804820T2 (de) 1997-09-13 1998-09-11 Regeneration eines nox-speichers

Country Status (6)

Country Link
US (1) US6655128B1 (de)
EP (1) EP1012452B1 (de)
JP (1) JP4225685B2 (de)
DE (1) DE69804820T2 (de)
GB (1) GB2330089A (de)
WO (1) WO1999014467A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2350697A (en) * 1999-05-29 2000-12-06 Ford Global Tech Inc Purging of a NOx trap in an internal combustion engine
JP2003090271A (ja) * 2001-07-11 2003-03-28 Toyota Motor Corp 内燃機関
JP2003065042A (ja) * 2001-08-30 2003-03-05 Toyota Motor Corp 内燃機関の排気浄化装置
DE10341930A1 (de) * 2003-09-11 2005-04-21 Audi Ag Verfahren zur Aufheizung eines in einer Abgasanlage einer Diesel-Brennkraftmaschine eines Fahrzeuges, insbesondere eines Kraftfahrzeuges, angeordneten Katalysators und/oder Partikelfilters auf Desulfatisierungs- und/oder Entrußungstemperatur sowie Katalysator, insbesondere Stickoxid-Speicherkatalysators für Abgasanlagen von Brennkraftmaschinen
US20060196172A1 (en) * 2005-03-02 2006-09-07 Johnson Jeffery S Injection device for the treatment of exhaust fumes from motor vehicles
US7389638B2 (en) * 2005-07-12 2008-06-24 Exxonmobil Research And Engineering Company Sulfur oxide/nitrogen oxide trap system and method for the protection of nitrogen oxide storage reduction catalyst from sulfur poisoning
US9255513B2 (en) 2012-05-25 2016-02-09 Ford Global Technologies, Llc Exhaust air injection
US9163543B2 (en) 2012-05-25 2015-10-20 Ford Global Technologies, Llc Exhaust air injection

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4912776A (en) * 1987-03-23 1990-03-27 W. R. Grace & Co.-Conn. Process for removal of NOx from fluid streams
US5406790A (en) * 1992-12-11 1995-04-18 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification device for an engine
US5544483A (en) * 1993-02-19 1996-08-13 Volkswagen Ag Internal combustion engine with a secondary air-fuel supply
US5353590A (en) * 1993-08-19 1994-10-11 General Motors Corporation Exhaust heating control
GB2303565A (en) * 1995-07-26 1997-02-26 Ford Motor Co Exhaust gas treatment
DE19546482A1 (de) * 1995-12-13 1997-06-26 Basf Ag Verfahren zum Betreiben einer Reinigungsanlage, eine Reinigungsanlage und eine Verwendung derselben
US5770784A (en) * 1996-04-10 1998-06-23 Thermatrix, Inc. Systems for the treatment of commingled wastes and methods for treating commingled wastes
US5819673A (en) * 1996-10-15 1998-10-13 Thermatrix Inc. Systems for the treatment of chemical wastes and methods for treating chemical wastes
US6003305A (en) * 1997-09-02 1999-12-21 Thermatrix, Inc. Method of reducing internal combustion engine emissions, and system for same

Also Published As

Publication number Publication date
GB2330089A (en) 1999-04-14
WO1999014467A1 (en) 1999-03-25
JP2001516835A (ja) 2001-10-02
JP4225685B2 (ja) 2009-02-18
US6655128B1 (en) 2003-12-02
GB9719445D0 (en) 1997-11-12
DE69804820T2 (de) 2002-08-29
EP1012452B1 (de) 2002-04-10
EP1012452A1 (de) 2000-06-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: FORD GLOBAL TECHNOLOGIES, LLC (N.D.GES.D. STAATES