FR2981689B1 - METHOD FOR PURGING A SYSTEM INJECTED BY A LIQUID AGENT INTO A SYSTEM AND INJECTION SYSTEM THAT CAN BE PURGED BY SUCH A METHOD - Google Patents

METHOD FOR PURGING A SYSTEM INJECTED BY A LIQUID AGENT INTO A SYSTEM AND INJECTION SYSTEM THAT CAN BE PURGED BY SUCH A METHOD

Info

Publication number
FR2981689B1
FR2981689B1 FR1159579A FR1159579A FR2981689B1 FR 2981689 B1 FR2981689 B1 FR 2981689B1 FR 1159579 A FR1159579 A FR 1159579A FR 1159579 A FR1159579 A FR 1159579A FR 2981689 B1 FR2981689 B1 FR 2981689B1
Authority
FR
France
Prior art keywords
purging
purged
injected
liquid agent
injection
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
FR1159579A
Other languages
French (fr)
Other versions
FR2981689A1 (en
Inventor
Eric Lee
Mair Saby
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.)
PSA Automobiles SA
Original Assignee
Peugeot Citroen Automobiles SA
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 Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Priority to FR1159579A priority Critical patent/FR2981689B1/en
Publication of FR2981689A1 publication Critical patent/FR2981689A1/en
Application granted granted Critical
Publication of FR2981689B1 publication Critical patent/FR2981689B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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]
    • 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
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1433—Pumps
    • F01N2610/144—Control thereof
    • 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
    • F01N2610/1493—Purging the reducing agent out of the conduits or nozzle
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04—Methods of control or diagnosing
    • F01N2900/0416—Methods of control or diagnosing using the state of a sensor, e.g. of an exhaust gas sensor
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
    • F01N2900/1806—Properties of reducing agent or dosing system
    • F01N2900/1808—Pressure
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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)
FR1159579A 2011-10-21 2011-10-21 METHOD FOR PURGING A SYSTEM INJECTED BY A LIQUID AGENT INTO A SYSTEM AND INJECTION SYSTEM THAT CAN BE PURGED BY SUCH A METHOD Expired - Fee Related FR2981689B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1159579A FR2981689B1 (en) 2011-10-21 2011-10-21 METHOD FOR PURGING A SYSTEM INJECTED BY A LIQUID AGENT INTO A SYSTEM AND INJECTION SYSTEM THAT CAN BE PURGED BY SUCH A METHOD

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1159579A FR2981689B1 (en) 2011-10-21 2011-10-21 METHOD FOR PURGING A SYSTEM INJECTED BY A LIQUID AGENT INTO A SYSTEM AND INJECTION SYSTEM THAT CAN BE PURGED BY SUCH A METHOD

Publications (2)

Publication Number Publication Date
FR2981689A1 FR2981689A1 (en) 2013-04-26
FR2981689B1 true FR2981689B1 (en) 2014-12-26

Family

ID=45094695

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1159579A Expired - Fee Related FR2981689B1 (en) 2011-10-21 2011-10-21 METHOD FOR PURGING A SYSTEM INJECTED BY A LIQUID AGENT INTO A SYSTEM AND INJECTION SYSTEM THAT CAN BE PURGED BY SUCH A METHOD

Country Status (1)

Country Link
FR (1) FR2981689B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013105712A1 (en) * 2013-06-04 2014-12-04 Emitec Gesellschaft Für Emissionstechnologie Mbh Method for operating a device for conveying a liquid
FR3031356B1 (en) * 2015-01-07 2017-07-14 Peugeot Citroen Automobiles Sa METHOD FOR MANAGING A DELEGATION SYSTEM OF A MOTOR VEHICLE
JP6206448B2 (en) 2015-05-29 2017-10-04 トヨタ自動車株式会社 Reducing agent supply device
US9670818B2 (en) 2015-08-07 2017-06-06 Caterpillar Inc. Air-assist dosing system having priming detection
US9657628B1 (en) 2016-01-29 2017-05-23 Caterpillar Inc. Reductant supply system for engine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2917791B1 (en) * 2007-06-20 2009-08-21 Inergy Automotive Systems Res METHOD FOR STARTING A PUMP
FR2921105A1 (en) * 2007-09-14 2009-03-20 Inergy Automotive Systems Res SCR SYSTEM AND METHOD FOR ITS PURGING
US20090194604A1 (en) * 2008-01-19 2009-08-06 Clyde Meriwether Smith Pulsed spray system of reduced power consumption
FR2958681B1 (en) * 2010-04-13 2012-05-25 Peugeot Citroen Automobiles Sa PURGE PHASE STEERING STRATEGY ON A SELECTIVE CATALYTIC REDUCTION SYSTEM

Also Published As

Publication number Publication date
FR2981689A1 (en) 2013-04-26

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