JP2010516937A - 排気システム流体注入の閉ループ制御 - Google Patents
排気システム流体注入の閉ループ制御 Download PDFInfo
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- 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
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
- F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
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- 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
- F01N3/24—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 constructional aspects of converting apparatus
- F01N3/36—Arrangements for supply of additional fuel
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- 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
- F01N9/00—Electrical control of exhaust gas treating apparatus
-
- 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
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/30—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a fuel reformer
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- 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
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/08—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a pressure sensor
-
- 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
- F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
-
- 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
- F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0602—Fuel pressure
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- 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
Abstract
Description
を含む温度である。
Claims (15)
- 排気ライン(100)を通して導かれる排気を生じるように作動するエンジン(111)と、
燃料タンク(21)から導管(23)へ燃料をポンプ送りするように作動する燃料ポンプ(22)と、
燃料を前記導管(23)から選択的に受け入れると共に前記燃料を排気システム燃料供給ライン(15)へ放出するように構成される流量調節バルブ(11,60,70,80)と、
燃料を前記排気システム燃料供給ライン(15)から排気ライン(30,100)へ導入するように構成されるノズル(12,40,50)と、
前記排気システム燃料供給ライン(15)から圧力測定値を得るように構成される圧力測定値デバイス(13)と、
前記圧力測定値ならびに前記ノズル(12,40,50)を通過する流量、それと
i )前記排気システム燃料供給ライン(15)内の圧力および
ii )排気システム燃料供給ライン(150)の圧力と前記排気ライン(30,100)の圧力との差、の1つ
との間の予め決められた関係に基づき前記流量調節バルブ(11,60,70,80)を制御するように構成される制御装置(14,119)と、
を含むことを特徴とする動力発生システム(110)。 - 前記燃料ポンプ(21)は、燃料を前記エンジン(111)へ供給することを特徴とする請求項1に記載の装置(110)。
- 前記導管(23)と前記流量調節バルブ(11,60,70,80)との間に設けられ、前記流量調節バルブ(11,60,70,80)に導入される燃料の圧力変動を改善するように機能する蓄圧装置(16)をさらに含むことを特徴とする請求項2に記載の装置(110)。
- 前記流量調節バルブ(11,60,70,80)は、パルス幅変調バルブ(60,70)であることを特徴とする請求項1に記載の装置(110)。
- 前記パルス幅変調バルブ(60,70)は、約50Hz以上の周波数で作動するように構成されることを特徴とする請求項4に記載の装置(110)。
- 前記パルス幅変調バルブ(60,70)は、約10Hz以下の周波数で作動するように構成されることを特徴とする請求項4に記載の装置(110)。
- 前記制御装置(14,119)は、前記流量調節バルブ(40,70)を制御するために、一連の前記圧力測定値が平均化あるいは積分された圧力あるいは流量を利用するように構成されることを特徴とする請求項4に記載の装置(110)。
- 燃料を前記排気システム燃料供給ライン(15)から前記燃料タンク(21)へ戻すことを許容するバルブ(17)をさらに含むことを特徴とする請求項1に記載の装置(110)。
- 前記排気ライン(30,100)内に構成される燃料改質装置(115)あるいはディーゼル酸化触媒(116)をさらに含み、
前記ノズル(12,40,50)は、前記燃料を前記燃料改質装置(115)あるいは前記ディーゼル酸化触媒(116)の上流の前記排気ライン(30,100)の中へ注入するように構成されることを特徴とする請求項1に記載の装置(110)。 - 前記排気ライン(30,100)内に構成される低濃度NOxトラップ(117)あるいはディーゼル微粒子フィルタ(116)をさらに含み、
前記制御装置(14,119)は、低濃度NOxトラップ(117)あるいはディーゼル微粒子フィルタ(116)を再生するために、前記ノズル(12,40,50)を通過する燃料流れを断続的に開始するように構成されることを特徴とする請求項1に記載の装置(110)。 - 前記流量調節バルブ(11,60,70,80)は、比例流量制御バルブ(80)であることを特徴とする請求項1に記載の装置(110)。
- 前記ノズル(12,40,50)は、チェックバルブを含むことを特徴とする請求項1に記載の装置(110)。
- 前記制御装置(14,119)は、排気システム燃料供給ライン圧力の周波数スペクトルを得ると共に排気ライン燃料注入装置の故障を確認するために前周波数スペクトルを解析するように構成されることを特徴とする請求項12に記載の装置(110)。
- 前記排気ライン(30,100)内に構成されるディーゼル微粒子フィルタ(116)および前記排気ライン(30,100)の圧力の測定値を得るように構成される第2圧力測定デバイスをさらに含むことを特徴とする請求項1に記載の装置(110)。
- 第1燃料ライン(23)に接続されるインレット(62,81)と排気システム燃料供給ライン(15)に接続されるアウトレット(63,83)とを含み、燃料を前記インレット(62,81)と前記アウトレット(63,83)とを含む流量調節バルブ(11,60,70,80)を通して通過させるステップと、
燃料を前記排気システム燃料供給ライン(15)から排気ライン(30,100)へノズル(12,40,50,60)を通して通過させるステップと、
前記排気システム燃料供給ライン(15)と前記排気ライン(30,100)との間の圧力差の表示を得るステップと、
前記圧力差と前記ノズル(12,40,50,60)を通過する流量との間の予め決められた関係を提供するステップと、
前記流量調節バルブ(11,60,70,80)、前記予め決められた関係、および前記圧力差の前記表示からのフィードバックを利用して前記ノズル(12,40,50,60)を通過する前記流量を制御するステップと、
を含むことを特徴とする燃料を排気ガス後処理システムへ供給する方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/656,194 US8171721B2 (en) | 2007-01-22 | 2007-01-22 | Closed loop control of exhaust system fluid dosing |
US11/656,194 | 2007-01-22 | ||
PCT/IB2008/000113 WO2008090433A1 (en) | 2007-01-22 | 2008-01-18 | Closed loop control of exhaust system fluid dosing |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010516937A true JP2010516937A (ja) | 2010-05-20 |
JP5196196B2 JP5196196B2 (ja) | 2013-05-15 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009546015A Expired - Fee Related JP5196196B2 (ja) | 2007-01-22 | 2008-01-18 | 排気システム流体注入の閉ループ制御 |
Country Status (8)
Country | Link |
---|---|
US (1) | US8171721B2 (ja) |
EP (1) | EP2126304B1 (ja) |
JP (1) | JP5196196B2 (ja) |
KR (1) | KR20090108638A (ja) |
CN (1) | CN101617107B (ja) |
AU (1) | AU2008208657A1 (ja) |
MX (1) | MX2009007769A (ja) |
WO (1) | WO2008090433A1 (ja) |
Cited By (1)
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EP2126304B1 (en) | 2013-05-08 |
AU2008208657A1 (en) | 2008-07-31 |
US20080245058A1 (en) | 2008-10-09 |
CN101617107B (zh) | 2012-07-04 |
KR20090108638A (ko) | 2009-10-15 |
CN101617107A (zh) | 2009-12-30 |
EP2126304A1 (en) | 2009-12-02 |
JP5196196B2 (ja) | 2013-05-15 |
US8171721B2 (en) | 2012-05-08 |
MX2009007769A (es) | 2009-09-11 |
WO2008090433A1 (en) | 2008-07-31 |
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