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 PDFInfo
- 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
Links
- 239000003054 catalyst Substances 0.000 title 1
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)
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)
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)
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 |
-
2011
- 2011-12-15 DE DE102011088707A patent/DE102011088707A1/de active Pending
-
2012
- 2012-12-11 FR FR1261886A patent/FR2984499B1/fr active Active
- 2012-12-14 CN CN201210541569.XA patent/CN103162895B/zh active Active
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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