FR2918111A3 - SYSTEM OF STORAGE AND INJECTION OF AN ADDITIVE IN THE EXHAUST GASES OF AN ENGINE. - Google Patents
SYSTEM OF STORAGE AND INJECTION OF AN ADDITIVE IN THE EXHAUST GASES OF AN ENGINE.Info
- Publication number
- FR2918111A3 FR2918111A3 FR0756106A FR0756106A FR2918111A3 FR 2918111 A3 FR2918111 A3 FR 2918111A3 FR 0756106 A FR0756106 A FR 0756106A FR 0756106 A FR0756106 A FR 0756106A FR 2918111 A3 FR2918111 A3 FR 2918111A3
- Authority
- FR
- France
- Prior art keywords
- storage
- injection
- branch
- additive
- engine
- 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.)
- Pending
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]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/404—Nitrogen oxides other than dinitrogen oxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/01—Engine exhaust gases
- B01D2258/012—Diesel engines and lean burn gasoline engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/12—Methods and means for introducing reactants
- B01D2259/124—Liquid reactants
-
- 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
-
- 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
- F01N2610/1406—Storage means for substances, e.g. tanks or reservoirs
-
- 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)
Abstract
Procédé pour le stockage et l'injection d'un additif dans des gaz d'échappement d'un moteur et comprenant deux réservoirs pour le stockage de la solution et une pompe d'alimentation de la solution de ces réservoirs vers une ligne d'injection, ces deux réservoirs étant en parallèle et reliés à la pompe chacun par une branche de ligne d'alimentation, chacune de ces branches étant munie d'un clapet anti-retour et ces deux clapets étant tarés de manière à ce que le clapet situé dans la branche issue du premier réservoir (1) soit normalement ouvert mais se ferme lorsque ce réservoir est vide, et à ce que le clapet situé dans la branche issue de l'autre réservoir (2) soit normalement fermé mais s'ouvre lorsque le clapet du réservoir (1) est fermé ou que la branche issue de ce réservoir (1) est obstruée.Process for the storage and injection of an additive in the exhaust gases of an engine and comprising two tanks for the storage of the solution and a pump for feeding the solution from these tanks to an injection line , these two reservoirs being in parallel and each connected to the pump by a branch of the supply line, each of these branches being provided with a non-return valve and these two valves being calibrated so that the valve located in the branch from the first tank (1) is normally open but closes when this tank is empty, and the valve located in the branch from the other tank (2) is normally closed but opens when the valve of the reservoir (1) is closed or that the branch issuing from this reservoir (1) is blocked.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0756106A FR2918111A3 (en) | 2007-06-28 | 2007-06-28 | SYSTEM OF STORAGE AND INJECTION OF AN ADDITIVE IN THE EXHAUST GASES OF AN ENGINE. |
PCT/EP2007/062304 WO2008058977A1 (en) | 2006-11-16 | 2007-11-14 | System for storing an additive and injecting it into the exhaust gases of an engine |
DE200711002720 DE112007002720T5 (en) | 2006-11-16 | 2007-11-14 | System to store an additive and inject it into the exhaust gases of an engine |
US12/513,780 US8241577B2 (en) | 2006-11-16 | 2007-11-14 | System for storing an additive and injecting it into the exhaust gases of an engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0756106A FR2918111A3 (en) | 2007-06-28 | 2007-06-28 | SYSTEM OF STORAGE AND INJECTION OF AN ADDITIVE IN THE EXHAUST GASES OF AN ENGINE. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2918111A1 FR2918111A1 (en) | 2009-01-02 |
FR2918111A3 true FR2918111A3 (en) | 2009-01-02 |
Family
ID=40137982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0756106A Pending FR2918111A3 (en) | 2006-11-16 | 2007-06-28 | SYSTEM OF STORAGE AND INJECTION OF AN ADDITIVE IN THE EXHAUST GASES OF AN ENGINE. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2918111A3 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2921911A3 (en) | 2007-09-21 | 2009-04-10 | Inergy Automotive Systems Res | SYSTEM FOR STORAGE AND INJECTION OF AN ADDITIVE SOLUTION INTO ENGINE EXHAUST GAS. |
WO2011135043A1 (en) * | 2010-04-30 | 2011-11-03 | Inergy Automotive Systems Research S.A. | Process for transferring a liquid using a pump |
DK3615777T3 (en) * | 2017-05-29 | 2022-10-31 | Liebherr Components Colmar Sas | Injection system for reducing agent |
-
2007
- 2007-06-28 FR FR0756106A patent/FR2918111A3/en active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2918111A1 (en) | 2009-01-02 |
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