DE112013005825A5 - reducing agent - Google Patents

reducing agent Download PDF

Info

Publication number
DE112013005825A5
DE112013005825A5 DE112013005825.1T DE112013005825T DE112013005825A5 DE 112013005825 A5 DE112013005825 A5 DE 112013005825A5 DE 112013005825 T DE112013005825 T DE 112013005825T DE 112013005825 A5 DE112013005825 A5 DE 112013005825A5
Authority
DE
Germany
Prior art keywords
reducing agent
agent
reducing
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.)
Withdrawn
Application number
DE112013005825.1T
Other languages
German (de)
Inventor
Christoph Döhring
Ralf Klewin
Dennis Engelke
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.)
Robert Bosch GmbH
Original Assignee
Bosch Emission Systems GmbH and Co KG
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 Bosch Emission Systems GmbH and Co KG filed Critical Bosch Emission Systems GmbH and Co KG
Publication of DE112013005825A5 publication Critical patent/DE112013005825A5/en
Withdrawn legal-status Critical Current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
    • F01N3/18—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 methods of operation; Control
    • F01N3/20—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 methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • 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
    • F01N3/18—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 methods of operation; Control
    • F01N3/20—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 methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
    • 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
    • F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
    • F01N2590/02—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for marine vessels or naval applications
    • 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
    • F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
    • F01N2590/08—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for heavy duty applications, e.g. trucks, buses, tractors, locomotives
    • 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
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1473—Overflow or return means for the substances, e.g. conduits or valves for the return path
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
DE112013005825.1T 2012-10-16 2013-10-11 reducing agent Withdrawn DE112013005825A5 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102012218851.7 2012-10-16
DE102012218851.7A DE102012218851A1 (en) 2012-10-16 2012-10-16 reducing agent
PCT/EP2013/071298 WO2014060313A1 (en) 2012-10-16 2013-10-11 Reducing agent supply device

Publications (1)

Publication Number Publication Date
DE112013005825A5 true DE112013005825A5 (en) 2015-10-29

Family

ID=49382409

Family Applications (2)

Application Number Title Priority Date Filing Date
DE102012218851.7A Withdrawn DE102012218851A1 (en) 2012-10-16 2012-10-16 reducing agent
DE112013005825.1T Withdrawn DE112013005825A5 (en) 2012-10-16 2013-10-11 reducing agent

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE102012218851.7A Withdrawn DE102012218851A1 (en) 2012-10-16 2012-10-16 reducing agent

Country Status (2)

Country Link
DE (2) DE102012218851A1 (en)
WO (1) WO2014060313A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9677444B2 (en) 2015-08-19 2017-06-13 Caterpillar Inc. Reductant supply system
KR102060959B1 (en) 2015-09-24 2020-02-11 로베르트 보쉬 게엠베하 Systems and methods for increasing diesel exhaust fluid delivery capacity
EP3351760A1 (en) * 2017-01-18 2018-07-25 Winterthur Gas & Diesel Ltd. Propulsion system, method for reducing nox, ship comprising a propulsion system and control system for controlling the injection of a reducing agent
FR3081030B1 (en) * 2018-05-11 2021-01-08 Continental Automotive France DYNAMIC MONITORING OF THE FLOW OF LIQUID ADDITIVE INJECTED INTO AN EXHAUST GAS TREATMENT SYSTEM OF A MOTOR VEHICLE

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006012855A1 (en) * 2006-03-21 2007-09-27 Robert Bosch Gmbh Process and dosing system for pollutant reduction in automotive exhaust gases
US20090205316A1 (en) * 2006-07-13 2009-08-20 Inergy Automotive Systems Research (Societe Anonyme) System and processes for storing an additive and injecting it into the exhaust gases of an engine
DE102006061734A1 (en) * 2006-12-28 2008-07-03 Robert Bosch Gmbh Liquid reducing agent e.g. aqueous urea solution, dosing device for e.g. diesel-operated internal combustion engine, of motor vehicle, has dosing line connected with operating container, which is connected with storage container
US8353185B2 (en) 2009-03-17 2013-01-15 Kabushiki Kaisha Honda Lock Vehicle handle locking apparatus
DE102011002987B4 (en) * 2011-01-21 2015-08-20 Bosch Emission Systems Gmbh & Co. Kg reducing agent
DE102012204100A1 (en) * 2012-03-15 2013-09-19 Robert Bosch Gmbh Fluid delivery system and method for delivering a fluid

Also Published As

Publication number Publication date
WO2014060313A1 (en) 2014-04-24
DE102012218851A1 (en) 2014-04-17

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Legal Events

Date Code Title Description
R081 Change of applicant/patentee

Owner name: ROBERT BOSCH GMBH, DE

Free format text: FORMER OWNER: BOSCH EMISSION SYSTEMS GMBH & CO. KG, 70469 STUTTGART, DE

R082 Change of representative

Representative=s name: BRP RENAUD UND PARTNER MBB, DE

R082 Change of representative
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee