KR20130140877A - Scr 도우징 유닛의 작동방법 - Google Patents
Scr 도우징 유닛의 작동방법 Download PDFInfo
- Publication number
- KR20130140877A KR20130140877A KR1020137029874A KR20137029874A KR20130140877A KR 20130140877 A KR20130140877 A KR 20130140877A KR 1020137029874 A KR1020137029874 A KR 1020137029874A KR 20137029874 A KR20137029874 A KR 20137029874A KR 20130140877 A KR20130140877 A KR 20130140877A
- Authority
- KR
- South Korea
- Prior art keywords
- pressure
- dosing unit
- reducing agent
- internal combustion
- combustion 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.)
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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
-
- 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
-
- 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
- F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
- F01N3/208—Control of selective catalytic reduction [SCR], e.g. by adjusting the 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
-
- 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
- F01N2610/1486—Means to prevent the substance from freezing
-
- 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
- F01N2900/0422—Methods of control or diagnosing measuring the elapsed time
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (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)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
Description
도 1은 도우징 유닛을 구비한 자동차를 나타내고,
도 2는 본 발명에 따른 방법의 설계 변형의 흐름도를 나타내며,
도 3은 본 발명에 따른 방법의 또 다른 설계 변형의 흐름도를 나타낸다.
3: 내연기관 4: 이송 펌프
5: 인젝터 6: 배관부
7: 제1 압력 8: 제1 주기
9: 릴리프 밸브 10: 유지 장치
11: 자동차 12: SCR 촉매 변환기
13: 회수 라인 14: 환원제 탱크
15: 흡입 배관부 16: 제어기
17: 작동 압력 18: 대기압
19: 압력 축 20: 시간 축
Claims (10)
- 내연기관 (3)의 배기 가스의 정화용 배기-가스 처리 장치 (2)로 환원제를 투여하는 도우징 유닛 (1)의 작동방법에 있어서, 상기 도우징 유닛 (1)은 적어도 하나의 이송 펌프 (4) 및 적어도 하나의 인젝터 (5) 및 상기 적어도 하나의 이송 펌프 (4)로부터 상기 적어도 하나의 인젝터 (5)까지 환원제를 수행하기 위한 적어도 하나의 배관부 (6)를 가지며, 상기 방법은 적어도 하기 단계들을 갖는 도우징 유닛 (1)의 작동방법:
a) 상기 배기-가스 처리 장치 (2)로 환원제를 투여하기 위하여 상기 도우징 유닛 (1)을 작동시키는 단계;
b) 상기 도우징 유닛 (1)을 불활성화시키는 단계;
c) 적어도 하나의 제1 주기 (8) 동안에 상기 배관부 (6)에서 대기압보다 높은, 제1 압력 (7)을 유지시키는 단계. - 청구항 1에 있어서,
상기 제1 압력 (7)은 단계 c) 동안에 2 bar보다 높은 도우징 유닛의 작동방법. - 청구항 1에 있어서,
상기 제1 압력 (7)은 단계 c) 동안에 적어도 8 bar인 도우징 유닛의 작동방법. - 전술된 청구항 중 하나에 있어서,
단계 b)에서 불활성화 동안에, 제1 압력 (7)에 대한 압력 증가는 상기 배관부 (6)에서 실행되는 도우징 유닛의 작동방법. - 전술된 청구항 중 하나에 있어서,
상기 배관부 (6) 상에 릴리프 밸브 (9)는 상기 제1 주기 (8)가 경과된 (단계 d) 후에 오직 개방되는 도우징 유닛의 작동방법. - 전술된 청구항 중 하나에 있어서,
상기 제1 압력 (7)은 상기 이송 펌프 (4)의 수단에 의해 적어도 부분적으로 상기 배관부 (6)에서 발생되는 도우징 유닛의 작동방법. - 전술된 청구항 중 하나에 있어서,
상기 제1 압력 (7)을 유지하기 위한 적어도 하나의 유지 장치 (10)는 상기 배관부 (6) 상에 제공되는 도우징 유닛의 작동방법. - 전술된 청구항 중 하나에 있어서,
상기 방법은 내연기관 (3)의 시동-정지에 직면하여 실행되는 도우징 유닛의 작동방법. - 청구항 8에 있어서,
상기 제1 주기는 상기 내연기관 (3)이 상기 시동-정지 상황을 마친 이후에 재-활성화될 때까지 상기 배관부 (6)에서 제1 압력 (7)이 적어도 유지되게 한정되는 도우징 유닛의 작동방법. - 내연기관 (3) 및 상기 내연기관 (3)의 배기 가스의 정화용 배기-가스 처리 장치 및 전술한 청구항 중 하나에 청구된 방법에 따라 작동될 수 있게 설계된 도우징 유닛 (1)을 구비한 자동차 (11).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011016967A DE102011016967A1 (de) | 2011-04-13 | 2011-04-13 | Verfahren zum Betrieb einer SCR-Dosiereinheit |
| DE102011016967.9 | 2011-04-13 | ||
| PCT/EP2012/056508 WO2012140034A1 (de) | 2011-04-13 | 2012-04-11 | Verfahren zum betrieb einer scr-dosiereinheit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20130140877A true KR20130140877A (ko) | 2013-12-24 |
| KR101565069B1 KR101565069B1 (ko) | 2015-11-03 |
Family
ID=45992212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020137029874A Expired - Fee Related KR101565069B1 (ko) | 2011-04-13 | 2012-04-11 | Scr 도우징 유닛의 작동방법 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US9322314B2 (ko) |
| EP (1) | EP2697488B1 (ko) |
| JP (1) | JP2014514496A (ko) |
| KR (1) | KR101565069B1 (ko) |
| CN (1) | CN103620173B (ko) |
| DE (1) | DE102011016967A1 (ko) |
| RU (1) | RU2576397C2 (ko) |
| WO (1) | WO2012140034A1 (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101595825B1 (ko) * | 2015-11-13 | 2016-02-19 | 박장섭 | 디젤엔진 질소산화물 저감장치용 요소수 균등무화 및 고압분사 분사시스템 |
| WO2018124418A1 (ko) * | 2016-12-27 | 2018-07-05 | ㈜파나시아 | 선박 배연탈질 시스템 |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011118626A1 (de) * | 2011-11-16 | 2013-05-16 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Verfahren zum Betriebsstopp einer Dosiervorrichtung |
| DE102013104250A1 (de) * | 2013-04-26 | 2014-10-30 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Verfahren zum Betrieb einer Vorrichtung zur dosierten Bereitstellung einer Flüssigkeit |
| DE102013104245A1 (de) * | 2013-04-26 | 2014-10-30 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Verfahren zum Betrieb einer Vorrichtung zur dosierten Bereitstellung einer Flüssigkeit |
| FI126149B (en) * | 2014-06-04 | 2016-07-15 | Amec Foster Wheeler Energia Oy | Arrangement and method for feeding ammonia-containing liquid into the exhaust duct of an incineration plant and an incineration plant |
| DE102014109558B4 (de) * | 2014-07-08 | 2021-08-19 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Verdrängerpumpenvorrichtung, Verfahren zum getakteten Betreiben einer Verdrängerpumpe und Verwendung einer solchen |
| JP6187505B2 (ja) * | 2015-03-02 | 2017-08-30 | トヨタ自動車株式会社 | 排気浄化装置 |
| US10291842B2 (en) * | 2015-06-23 | 2019-05-14 | Samsung Electronics Co., Ltd. | Digital photographing apparatus and method of operating the same |
| DE102016211826A1 (de) | 2016-06-30 | 2018-01-04 | Continental Automotive Gmbh | Dosiervorrichtung zum Dosieren einer Reduktionsmittelflüssigkeit und Verfahren zum Betreiben einer Dosiervorrichtung |
| GB2552811A (en) * | 2016-08-10 | 2018-02-14 | Perkins Engines Co Ltd | Method and system for reducing crystallisation of diesel exhaust fluid in an injector |
| DE102017210487A1 (de) * | 2017-06-22 | 2018-12-27 | Robert Bosch Gmbh | Wassereinspritzvorrichtung einer Brennkraftmaschine |
| WO2020121713A1 (ja) * | 2018-12-13 | 2020-06-18 | ボッシュ株式会社 | 還元剤供給装置の制御装置 |
| CN110284953B (zh) * | 2019-06-28 | 2020-10-30 | 潍柴动力股份有限公司 | 尿素泵老化程度评估方法和装置 |
| DE102019219901B4 (de) * | 2019-12-17 | 2024-07-18 | Vitesco Technologies GmbH | Verfahren zum Betreiben eines Abgasreinigungssystems |
| EP4170138A1 (en) * | 2021-10-19 | 2023-04-26 | Volvo Truck Corporation | A method for controlling the operation of an engine system in a vehicle upon engine start |
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| JP2004293494A (ja) * | 2003-03-28 | 2004-10-21 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
| JP4804242B2 (ja) * | 2006-06-26 | 2011-11-02 | Udトラックス株式会社 | エンジンの排気浄化装置 |
| EP2047076A1 (en) * | 2006-07-13 | 2009-04-15 | Inergy Automotive Systems Research (Société A.) | System and process for storing an additive and injecting it into the exhaust gases of an engine |
| US7605333B2 (en) * | 2006-08-07 | 2009-10-20 | Intercat Equipment, Inc. | Vacuum powered addition system |
| DE102006040411A1 (de) * | 2006-08-29 | 2008-03-06 | Purem Abgassysteme Gmbh & Co. Kg | Reduktionsmitteldosiersystem |
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| DE602008003407D1 (de) * | 2008-05-09 | 2010-12-23 | Magneti Marelli Spa | Einspritzverfahren und Vorrichtung zum Einspritzen eines Reduktionsmittels in ein Abgassystem in einem Verbrennungsmotor |
| KR100974599B1 (ko) * | 2008-08-07 | 2010-08-06 | 현대자동차주식회사 | 차량의 요소 분사량 제어장치 및 방법 |
| DE102008044708A1 (de) * | 2008-08-28 | 2010-03-04 | Emitec Gesellschaft Für Emissionstechnologie Mbh | SCR-System mit Kompensationselement |
| JP5326461B2 (ja) * | 2008-09-22 | 2013-10-30 | マツダ株式会社 | エンジンの排気浄化装置 |
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| JPWO2010119711A1 (ja) * | 2009-04-13 | 2012-10-22 | ボッシュ株式会社 | 車両用の排気浄化装置 |
| EP2375054B1 (en) * | 2010-04-06 | 2013-06-19 | Delphi Technologies Holding S.à.r.l. | Reagent dosing system and pump |
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-
2011
- 2011-04-13 DE DE102011016967A patent/DE102011016967A1/de not_active Withdrawn
-
2012
- 2012-04-11 CN CN201280018475.2A patent/CN103620173B/zh not_active Expired - Fee Related
- 2012-04-11 EP EP12715646.1A patent/EP2697488B1/de not_active Not-in-force
- 2012-04-11 KR KR1020137029874A patent/KR101565069B1/ko not_active Expired - Fee Related
- 2012-04-11 WO PCT/EP2012/056508 patent/WO2012140034A1/de not_active Ceased
- 2012-04-11 RU RU2013150283/06A patent/RU2576397C2/ru not_active IP Right Cessation
- 2012-04-11 JP JP2014504288A patent/JP2014514496A/ja active Pending
-
2013
- 2013-10-15 US US14/053,761 patent/US9322314B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101595825B1 (ko) * | 2015-11-13 | 2016-02-19 | 박장섭 | 디젤엔진 질소산화물 저감장치용 요소수 균등무화 및 고압분사 분사시스템 |
| WO2018124418A1 (ko) * | 2016-12-27 | 2018-07-05 | ㈜파나시아 | 선박 배연탈질 시스템 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103620173A (zh) | 2014-03-05 |
| EP2697488A1 (de) | 2014-02-19 |
| EP2697488B1 (de) | 2015-06-03 |
| WO2012140034A1 (de) | 2012-10-18 |
| DE102011016967A1 (de) | 2012-10-18 |
| JP2014514496A (ja) | 2014-06-19 |
| CN103620173B (zh) | 2016-08-17 |
| KR101565069B1 (ko) | 2015-11-03 |
| RU2013150283A (ru) | 2015-05-20 |
| US20140033684A1 (en) | 2014-02-06 |
| US9322314B2 (en) | 2016-04-26 |
| RU2576397C2 (ru) | 2016-03-10 |
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