JP4137838B2 - 排気ガス後処理装置用液体供給装置 - Google Patents
排気ガス後処理装置用液体供給装置 Download PDFInfo
- Publication number
- JP4137838B2 JP4137838B2 JP2004135450A JP2004135450A JP4137838B2 JP 4137838 B2 JP4137838 B2 JP 4137838B2 JP 2004135450 A JP2004135450 A JP 2004135450A JP 2004135450 A JP2004135450 A JP 2004135450A JP 4137838 B2 JP4137838 B2 JP 4137838B2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- tank
- liquid
- liquid supply
- exhaust gas
- 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 - Lifetime
Links
- 239000007788 liquid Substances 0.000 title claims description 57
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000000746 purification Methods 0.000 claims description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 36
- 239000004202 carbamide Substances 0.000 description 36
- 239000007864 aqueous solution Substances 0.000 description 34
- 238000010257 thawing Methods 0.000 description 26
- 238000001514 detection method Methods 0.000 description 10
- 238000010792 warming Methods 0.000 description 10
- 239000000498 cooling water Substances 0.000 description 9
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000007710 freezing Methods 0.000 description 5
- 230000008014 freezing Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- WTHDKMILWLGDKL-UHFFFAOYSA-N urea;hydrate Chemical compound O.NC(N)=O WTHDKMILWLGDKL-UHFFFAOYSA-N 0.000 description 1
Images
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
- 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
-
- 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
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
-
- 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
- F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
- F01N2550/05—Systems for adding substances into 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
- 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
- F01N2610/08—Adding substances to exhaust gases with prior mixing of the substances with a gas, e.g. air
-
- 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
- F01N2610/10—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance
-
- 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
- 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
- F01N2900/12—Parameters used for exhaust control or diagnosing said parameters being related to the vehicle exterior
-
- 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
- F01N2900/1811—Temperature
-
- 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
-
- 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
- Y02T10/40—Engine management systems
Description
1.周囲温度の値から、駆動デューティ比を求める。
2.貯蔵タンクと加圧ポンプ内の液体温度から、駆動デューティ比を求める。
2 タンク
3 配管
13 冷却水パイプ
14 シャットオフバルブ
15 第1制御ユニット
16 タンク温度センサ
17 加熱器
18 周囲温度センサ
19 第2制御ユニット
30 解凍・保温装置
40 保温装置
50 選択部
51 検出部
52 第1スイッチ部
60 駆動部
D1 デューティ比データ
D2 固定データ
D3 出力データ
D4 判別データ
M1 解凍・保温制御信号
S1 タンク温度信号
S2 周囲温度信号
S3 出力信号
SK 検出出力信号
Y 駆動電流
Claims (1)
- タンク内に貯蔵されている液体を配管を介して排気ガス浄化装置へ供給するための装置であって、前記タンク内の液体の解凍後に前記配管を保温装置によって保温できるようにした排気ガス後処理装置用液体供給装置において、
前記保温装置が、
前記タンク内の温度を検出するためのタンク温度センサと、
前記液体供給装置の周囲温度を検出するための周囲温度センサと、
前記配管を加熱するための加熱器と、
前記配管内での液体の流れ状態に基づき前記配管内で液体が凍結していると判断された場合には前記周囲温度センサの出力を選択出力し、前記配管内で液体が流れていると判断された場合にはタンク温度センサの出力を選択出力する選択部と、
該選択部からの出力に応答して保温のために必要な保温用電流を前記加熱器に供給するための駆動部と
を備えて成ることを特徴とする排気ガス後処理装置用液体供給装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004135450A JP4137838B2 (ja) | 2004-04-30 | 2004-04-30 | 排気ガス後処理装置用液体供給装置 |
US11/568,256 US20070251226A1 (en) | 2004-04-30 | 2005-04-14 | Liquid Supply Device for Exhaust Gas Post-Treatment Device |
PCT/JP2005/007567 WO2005106220A1 (ja) | 2004-04-30 | 2005-04-14 | 排気ガス後処理装置用液体供給装置 |
CNB2005800136585A CN100451304C (zh) | 2004-04-30 | 2005-04-14 | 排气后处理装置用的液体供给装置 |
EP05734365A EP1741887B1 (en) | 2004-04-30 | 2005-04-14 | Liquid feed device for exhaust gas aftertreatment device |
KR1020067025273A KR100805096B1 (ko) | 2004-04-30 | 2005-04-14 | 배기가스 후처리 장치용 액체 공급 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004135450A JP4137838B2 (ja) | 2004-04-30 | 2004-04-30 | 排気ガス後処理装置用液体供給装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005315206A JP2005315206A (ja) | 2005-11-10 |
JP4137838B2 true JP4137838B2 (ja) | 2008-08-20 |
Family
ID=35241737
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004135450A Expired - Lifetime JP4137838B2 (ja) | 2004-04-30 | 2004-04-30 | 排気ガス後処理装置用液体供給装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20070251226A1 (ja) |
EP (1) | EP1741887B1 (ja) |
JP (1) | JP4137838B2 (ja) |
KR (1) | KR100805096B1 (ja) |
CN (1) | CN100451304C (ja) |
WO (1) | WO2005106220A1 (ja) |
Cited By (1)
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KR101533446B1 (ko) * | 2011-02-09 | 2015-07-02 | 에미텍 게젤샤프트 퓌어 에미시온스테크놀로기 엠베하 | 환원제 이송 유닛 |
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DE102007031413A1 (de) * | 2007-07-05 | 2009-01-08 | Eichenauer Heizelemente Gmbh & Co. Kg | Reduktionsmittelversorgungssystem für einen Abgasreinigungskatalysator eines Verbrennungsmotors und Verfahren zum Beheizen seiner Flüssigkeitsleitungen |
JP2009097479A (ja) * | 2007-10-19 | 2009-05-07 | Bosch Corp | 還元剤供給装置の制御装置及び制御方法 |
JP2009138526A (ja) * | 2007-12-03 | 2009-06-25 | Hitachi Constr Mach Co Ltd | 建設機械 |
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KR100974599B1 (ko) * | 2008-08-07 | 2010-08-06 | 현대자동차주식회사 | 차량의 요소 분사량 제어장치 및 방법 |
US8234854B2 (en) * | 2008-10-22 | 2012-08-07 | Caterpillar Inc. | System and method for heating a reducing agent associated with a reducing agent distribution system |
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US8495868B2 (en) * | 2010-03-22 | 2013-07-30 | Caterpillar Inc. | Control strategy for heated fluid lines |
JP5437890B2 (ja) * | 2010-04-07 | 2014-03-12 | 日野自動車株式会社 | 後処理バーナシステムの燃料凍結防止方法及び装置 |
US9068756B1 (en) | 2010-05-13 | 2015-06-30 | William M Murray | Hot water solar heating system and method |
JP5573352B2 (ja) * | 2010-05-17 | 2014-08-20 | いすゞ自動車株式会社 | 尿素水温度センサの妥当性診断システム |
JP5533363B2 (ja) * | 2010-07-05 | 2014-06-25 | いすゞ自動車株式会社 | Scrシステム |
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JP5310804B2 (ja) * | 2011-08-01 | 2013-10-09 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
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-
2004
- 2004-04-30 JP JP2004135450A patent/JP4137838B2/ja not_active Expired - Lifetime
-
2005
- 2005-04-14 CN CNB2005800136585A patent/CN100451304C/zh active Active
- 2005-04-14 WO PCT/JP2005/007567 patent/WO2005106220A1/ja active Application Filing
- 2005-04-14 KR KR1020067025273A patent/KR100805096B1/ko active IP Right Grant
- 2005-04-14 US US11/568,256 patent/US20070251226A1/en not_active Abandoned
- 2005-04-14 EP EP05734365A patent/EP1741887B1/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101533446B1 (ko) * | 2011-02-09 | 2015-07-02 | 에미텍 게젤샤프트 퓌어 에미시온스테크놀로기 엠베하 | 환원제 이송 유닛 |
US9732742B2 (en) | 2011-02-09 | 2017-08-15 | EMITEC Geselllschaft fuer Emissionstechnologie mbH | Conveying unit for a reducing agent |
Also Published As
Publication number | Publication date |
---|---|
EP1741887A4 (en) | 2010-06-23 |
KR100805096B1 (ko) | 2008-02-20 |
KR20070057082A (ko) | 2007-06-04 |
WO2005106220A1 (ja) | 2005-11-10 |
EP1741887A1 (en) | 2007-01-10 |
JP2005315206A (ja) | 2005-11-10 |
CN1965153A (zh) | 2007-05-16 |
US20070251226A1 (en) | 2007-11-01 |
EP1741887B1 (en) | 2011-11-09 |
CN100451304C (zh) | 2009-01-14 |
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