FR2984499B1 - Procede pour determiner la pression dans un systeme de catalyseur scr entre sa pompe a piston lineaire et sa soupape de dosage - Google Patents

Procede pour determiner la pression dans un systeme de catalyseur scr entre sa pompe a piston lineaire et sa soupape de dosage Download PDF

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Publication number
FR2984499B1
FR2984499B1 FR1261886A FR1261886A FR2984499B1 FR 2984499 B1 FR2984499 B1 FR 2984499B1 FR 1261886 A FR1261886 A FR 1261886A FR 1261886 A FR1261886 A FR 1261886A FR 2984499 B1 FR2984499 B1 FR 2984499B1
Authority
FR
France
Prior art keywords
determining
pressure
catalyst system
scr catalyst
piston pump
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.)
Active
Application number
FR1261886A
Other languages
English (en)
French (fr)
Other versions
FR2984499A1 (fr
Inventor
Sascha Rademann
Frank Buhles
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
Robert Bosch 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
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2984499A1 publication Critical patent/FR2984499A1/fr
Application granted granted Critical
Publication of FR2984499B1 publication Critical patent/FR2984499B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • 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
    • F01N2610/1433—Pumps
    • F01N2610/144—Control thereof
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Reciprocating Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Electromagnetic Pumps, Or The Like (AREA)
FR1261886A 2011-12-15 2012-12-11 Procede pour determiner la pression dans un systeme de catalyseur scr entre sa pompe a piston lineaire et sa soupape de dosage Active FR2984499B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011088707.5 2011-12-15
DE102011088707A DE102011088707A1 (de) 2011-12-15 2011-12-15 Verfahren zur Bestimmung eines Drucks zwischen einer Hubkolbenpumpe und einem Dosierventil in einem SCR-Katalysatorsystem

Publications (2)

Publication Number Publication Date
FR2984499A1 FR2984499A1 (fr) 2013-06-21
FR2984499B1 true FR2984499B1 (fr) 2018-06-01

Family

ID=48521683

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1261886A Active FR2984499B1 (fr) 2011-12-15 2012-12-11 Procede pour determiner la pression dans un systeme de catalyseur scr entre sa pompe a piston lineaire et sa soupape de dosage

Country Status (3)

Country Link
CN (1) CN103162895B (de)
DE (1) DE102011088707A1 (de)
FR (1) FR2984499B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014211001A1 (de) 2014-06-10 2015-12-17 Robert Bosch Gmbh Verfahren und Vorrichtung zur Überwachung eines Drucksensors
JP6663680B2 (ja) * 2015-10-20 2020-03-13 ボッシュ株式会社 還元剤噴射装置の制御装置
US10344652B2 (en) * 2015-12-10 2019-07-09 Cummins Emission Solutions Inc. Electronic pressure relief in pumps
DE102017209272A1 (de) * 2017-06-01 2018-12-06 Robert Bosch Gmbh Verfahren und Vorrichtung zum Betreiben einer Förderpumpe
FR3092146B1 (fr) 2019-01-24 2020-12-25 Continental Automotive Procédé de gestion d’une pompe à piston pour moteur thermique
DE102022207540A1 (de) 2022-07-25 2024-01-25 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zur Ermittlung eines Drucks in einem Kraftstofftank

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19602513C1 (de) * 1996-01-25 1996-10-02 Dornier Gmbh Lindauer Verfahren zum Überwachen der Funktionstüchtigkeit elektrisch ansteuerbarer Magnetventile in Webmaschinen
DE102006012855A1 (de) * 2006-03-21 2007-09-27 Robert Bosch Gmbh Verfahren und Dosiersystem zur Schadstoffreduktion in Kraftfahrzeugabgasen
DE112009001331T5 (de) * 2008-06-03 2011-04-28 Inergy Automotive Systems Research (S.A.) Prozess zum Starten eines SCR-Systems
DE102010004201A1 (de) * 2010-01-08 2011-07-14 Emitec Gesellschaft für Emissionstechnologie mbH, 53797 Verfahren zum Betrieb einer Fördervorrichtung für ein Reduktionsmittel

Also Published As

Publication number Publication date
DE102011088707A1 (de) 2013-06-20
FR2984499A1 (fr) 2013-06-21
CN103162895A (zh) 2013-06-19
CN103162895B (zh) 2016-12-21

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