JP4321306B2 - 水素エンジンの制御装置 - Google Patents
水素エンジンの制御装置 Download PDFInfo
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- JP4321306B2 JP4321306B2 JP2004050859A JP2004050859A JP4321306B2 JP 4321306 B2 JP4321306 B2 JP 4321306B2 JP 2004050859 A JP2004050859 A JP 2004050859A JP 2004050859 A JP2004050859 A JP 2004050859A JP 4321306 B2 JP4321306 B2 JP 4321306B2
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- fuel
- hydrogen
- nox
- ratio
- gasoline
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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
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
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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
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0602—Control of components of the fuel supply system
- F02D19/0607—Control of components of the fuel supply system to adjust the fuel mass or volume flow
- F02D19/061—Control of components of the fuel supply system to adjust the fuel mass or volume flow by controlling fuel injectors
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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
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0626—Measuring or estimating parameters related to the fuel supply system
- F02D19/0628—Determining the fuel pressure, temperature or flow, the fuel tank fill level or a valve position
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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
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0639—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels
- F02D19/0642—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels at least one fuel being gaseous, the other fuels being gaseous or liquid at standard conditions
- F02D19/0644—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels at least one fuel being gaseous, the other fuels being gaseous or liquid at standard conditions the gaseous fuel being hydrogen, ammonia or carbon monoxide
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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
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02D19/0686—Injectors
- F02D19/0692—Arrangement of multiple injectors per combustion chamber
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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
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/08—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
- F02D19/081—Adjusting the fuel composition or mixing ratio; Transitioning from one fuel to the other
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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
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
- F02D41/0275—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a NOx trap or adsorbent
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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
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
- F02D41/0275—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a NOx trap or adsorbent
- F02D41/028—Desulfurisation of NOx traps or adsorbent
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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
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/3011—Controlling fuel injection according to or using specific or several modes of combustion
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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
- F02D2200/08—Exhaust gas treatment apparatus parameters
- F02D2200/0806—NOx storage amount, i.e. amount of NOx stored on NOx trap
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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
- F02D2200/08—Exhaust gas treatment apparatus parameters
- F02D2200/0818—SOx storage amount, e.g. for SOx trap or NOx trap
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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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S123/00—Internal-combustion engines
- Y10S123/12—Hydrogen
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Exhaust Gas After Treatment (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Description
また、上記サージタンク45よりも下流側の吸気通路40は、各気筒2毎に分岐する独立通路とされ、該各独立通路の下流端部はさらに2つに分岐してそれぞれ吸気ポート20に個別に連通する分岐路となっている。この分岐路から独立通路までの間には、燃焼室6内の吸気流動の強さを調節するための絞り弁(Tunble Swirl Control Valve:以下、TSCVという)47が配設されていて、例えばステッピングモータ等によって開閉作動される。このTSCV47の弁体には一部に切欠きが形成されており、全閉状態ではその切欠き部のみから下流側に流れる吸気が燃焼室6において強い筒内流動を生成する。一方、TSCV47が開かれるに従い、吸気は切欠き部以外からも流通するようになって、筒内流動の強さは徐々に低下するようになる。
6 燃焼室
28 水素用インジェクタ(第2燃料供給手段)
29 ガソリン用インジェクタ(第1燃料供給手段)
50 排気通路
54,55 NOx吸蔵触媒
70 ECU(制御装置、燃料割合変更手段、NOx放出判定手段、NOx放出手段、化石燃料割合変更手段)
Claims (6)
- 空燃比がリーンのときにNOxを吸蔵し空燃比が理論空燃比またはリッチのときに吸蔵していたNOxを放出するNOx吸蔵触媒を排気通路内に配置し、燃焼室内に化石燃料を供給する第1燃料供給手段と、燃焼室内に水素を供給する第2燃料供給手段と、エンジンの運転状態を検出する運転状態検出手段と、エンジンの運転状態に応じて燃焼室に供給する燃料に占める化石燃料と水素との割合を変更する燃料割合変更手段とを有する水素エンジンの制御装置であって、上記NOx吸蔵触媒のNOx吸蔵状態に基づいてNOxを放出するかどうかを判定するNOx放出判定手段と、空燃比がリーンのときにこの判定手段によりNOxを放出すべきと判定されたときは空燃比をリッチ化するNOx放出手段と、上記判定が第2燃料供給手段による水素の供給の割合が大きい状態での運転中に行われたときは、上記NOx放出手段による空燃比のリッチ化の前に第1燃料供給手段による化石燃料の供給の割合を増加させる化石燃料割合増加手段とが備えられていることを特徴とする水素エンジンの制御装置。
- 燃料割合変更手段は、燃料が化石燃料のみの状態または水素のみの状態に切り換えることを特徴とする請求項1に記載の水素エンジンの制御装置。
- 燃料割合変更手段は、燃料が化石燃料のみの状態または化石燃料と水素とが混合した状態に切り換えることを特徴とする請求項1に記載の水素エンジンの制御装置。
- 燃料割合変更手段は、燃料が化石燃料のみの状態、水素のみの状態、または化石燃料と水素とが混合した状態に切り換えることを特徴とする請求項1に記載の制御装置。
- NOx放出判定手段は、車両が加速状態である第1条件と、NOx吸蔵量が所定量を超えた状態である第2条件との少なくとも一方を満たすときにNOxを放出するように判定すると共に、化石燃料割合増加手段は、第2条件が成立したときのみ、化石燃料の供給の割合を増加させることを特徴とする請求項1から請求項4のいずれかに記載の水素エンジンの制御装置。
- NOx放出判定手段は、車両が加速状態である第1条件と、NOx吸蔵量が所定量を超えた状態である第2条件との少なくとも一方を満たすときにNOxを放出するように判定すると共に、化石燃料割合増加手段は、第2条件が成立したときの化石燃料の供給の割合の増加度合いを第1条件が成立したときの化石燃料の供給の割合の増加度合いよりも大きくすることを特徴とする請求項1から請求項4のいずれかに記載の水素エンジンの制御装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004050859A JP4321306B2 (ja) | 2004-02-26 | 2004-02-26 | 水素エンジンの制御装置 |
US11/048,722 US7111452B2 (en) | 2004-02-26 | 2005-02-03 | Control device of hydrogen engine |
DE602005000105T DE602005000105T2 (de) | 2004-02-26 | 2005-02-21 | Verfahren, Computerprogramm und Steuergerät zum Betreiben einer Brennkraftmaschine |
EP05003681A EP1574690B1 (en) | 2004-02-26 | 2005-02-21 | Method, computer programme and control device for the operation of an internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004050859A JP4321306B2 (ja) | 2004-02-26 | 2004-02-26 | 水素エンジンの制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005240656A JP2005240656A (ja) | 2005-09-08 |
JP4321306B2 true JP4321306B2 (ja) | 2009-08-26 |
Family
ID=34824501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004050859A Expired - Fee Related JP4321306B2 (ja) | 2004-02-26 | 2004-02-26 | 水素エンジンの制御装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7111452B2 (ja) |
EP (1) | EP1574690B1 (ja) |
JP (1) | JP4321306B2 (ja) |
DE (1) | DE602005000105T2 (ja) |
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US4003345A (en) * | 1974-04-01 | 1977-01-18 | Bradley Curtis E | Fuel regenerated non-polluting internal combustion engine |
US4181100A (en) * | 1974-12-18 | 1980-01-01 | Nissan Motor Company, Limited | Internal combustion engine operated on injected fuel supplemented with hydrogen |
US4253428A (en) * | 1978-12-29 | 1981-03-03 | Billings Roger E | Hydrogen fuel systems |
JP3332274B2 (ja) | 1993-09-29 | 2002-10-07 | マツダ株式会社 | 水素エンジンの制御装置 |
US5863413A (en) * | 1996-06-28 | 1999-01-26 | Litex, Inc. | Method for using hydroxyl radical to reduce pollutants in the exhaust gases from the combustion of a fuel |
JP3123513B2 (ja) | 1998-06-09 | 2001-01-15 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
US6122909A (en) * | 1998-09-29 | 2000-09-26 | Lynntech, Inc. | Catalytic reduction of emissions from internal combustion engines |
AU7823300A (en) * | 1999-06-08 | 2001-01-31 | Bechtel Bwxt Idaho, Llc | Plasma reforming and partial oxidation of hydrocarbon fuel vapor to produce synthesis gas and/or hydrogen gas |
US6311648B1 (en) * | 2000-02-22 | 2001-11-06 | Jean-Louis Larocque | Hydrogen-oxygen/hydrocarbon fuel system for internal combustion engine |
US6612269B2 (en) * | 2000-08-11 | 2003-09-02 | The Regents Of The University Of California | Apparatus and method for operating internal combustion engines from variable mixtures of gaseous fuels |
JP3778012B2 (ja) | 2001-06-21 | 2006-05-24 | 日産自動車株式会社 | 内燃機関の空燃比制御装置 |
US6655324B2 (en) | 2001-11-14 | 2003-12-02 | Massachusetts Institute Of Technology | High compression ratio, hydrogen enhanced gasoline engine system |
DE10201016A1 (de) * | 2002-01-11 | 2003-07-24 | Daimler Chrysler Ag | Verfahren zum Betrieb einer Brennkraftmaschine mit Abgasreinigungsanlage und Brennkraftmaschine |
US6810658B2 (en) * | 2002-03-08 | 2004-11-02 | Daimlerchrysler Ag | Exhaust-gas purification installation and exhaust-gas purification method for purifying an exhaust gas from an internal combustion engine |
CA2562363C (en) * | 2004-04-20 | 2008-12-30 | David Lange | System and method for operating an internal combustion engine with hydrogen blended with conventional fossil fuels |
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JP2005240656A (ja) | 2005-09-08 |
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EP1574690B1 (en) | 2006-09-06 |
DE602005000105D1 (de) | 2006-10-19 |
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US20050188683A1 (en) | 2005-09-01 |
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