FR2992681B1 - METHOD FOR SYNCHRONIZING PUMP CONTROLS AND SOLENOID VALVES IN A SCR TYPE SYSTEM - Google Patents

METHOD FOR SYNCHRONIZING PUMP CONTROLS AND SOLENOID VALVES IN A SCR TYPE SYSTEM

Info

Publication number
FR2992681B1
FR2992681B1 FR1256195A FR1256195A FR2992681B1 FR 2992681 B1 FR2992681 B1 FR 2992681B1 FR 1256195 A FR1256195 A FR 1256195A FR 1256195 A FR1256195 A FR 1256195A FR 2992681 B1 FR2992681 B1 FR 2992681B1
Authority
FR
France
Prior art keywords
solenoid valves
type system
pump controls
scr type
synchronizing
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
FR1256195A
Other languages
French (fr)
Other versions
FR2992681A1 (en
Inventor
Eric Lee
Marie-Pierre 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 FR1256195A priority Critical patent/FR2992681B1/en
Publication of FR2992681A1 publication Critical patent/FR2992681A1/en
Application granted granted Critical
Publication of FR2992681B1 publication Critical patent/FR2992681B1/en
Active 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
    • F01N2610/1446—Means for damping of pressure fluctuations in the delivery system, e.g. by puffer volumes or throttling
    • 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
    • F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
    • F01N2610/146—Control thereof, e.g. control of injectors or injection valves
    • 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
FR1256195A 2012-06-28 2012-06-28 METHOD FOR SYNCHRONIZING PUMP CONTROLS AND SOLENOID VALVES IN A SCR TYPE SYSTEM Active FR2992681B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1256195A FR2992681B1 (en) 2012-06-28 2012-06-28 METHOD FOR SYNCHRONIZING PUMP CONTROLS AND SOLENOID VALVES IN A SCR TYPE SYSTEM

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1256195A FR2992681B1 (en) 2012-06-28 2012-06-28 METHOD FOR SYNCHRONIZING PUMP CONTROLS AND SOLENOID VALVES IN A SCR TYPE SYSTEM

Publications (2)

Publication Number Publication Date
FR2992681A1 FR2992681A1 (en) 2014-01-03
FR2992681B1 true FR2992681B1 (en) 2014-08-08

Family

ID=46634445

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1256195A Active FR2992681B1 (en) 2012-06-28 2012-06-28 METHOD FOR SYNCHRONIZING PUMP CONTROLS AND SOLENOID VALVES IN A SCR TYPE SYSTEM

Country Status (1)

Country Link
FR (1) FR2992681B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11867314B2 (en) 2018-05-31 2024-01-09 Fas Medic S.A. Method and apparatus for energising a solenoid of a valve assembly

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19819579C1 (en) * 1998-04-30 1999-09-30 Siemens Ag Secondary treatment of exhaust from lean burn diesel engine with SCR catalyst, minimizing pump usage and energy consumption
DE102007030541A1 (en) * 2007-06-30 2009-01-08 Eberspächer Unna GmbH & Co. KG Method for dosing liquid reducing agent in exhaust system of internal combustion engine, involves conveying reducing agent from dosing pump to dosing valve in rapid, sequential doses in chronologically separated, individual conveyance steps
FR2965295B1 (en) * 2010-09-28 2012-09-28 Peugeot Citroen Automobiles Sa METHOD FOR STARTING A SELECTIVE CATALYTIC REDUCTION SYSTEM FOR A VEHICLE, SYSTEM AND VEHICLE THEREFOR

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11867314B2 (en) 2018-05-31 2024-01-09 Fas Medic S.A. Method and apparatus for energising a solenoid of a valve assembly

Also Published As

Publication number Publication date
FR2992681A1 (en) 2014-01-03

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Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 5

PLFP Fee payment

Year of fee payment: 6

CA Change of address

Effective date: 20180312

CD Change of name or company name

Owner name: PEUGEOT CITROEN AUTOMOBILES SA, FR

Effective date: 20180312