JP4474435B2 - 内燃機関の制御装置 - Google Patents
内燃機関の制御装置 Download PDFInfo
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- JP4474435B2 JP4474435B2 JP2007124057A JP2007124057A JP4474435B2 JP 4474435 B2 JP4474435 B2 JP 4474435B2 JP 2007124057 A JP2007124057 A JP 2007124057A JP 2007124057 A JP2007124057 A JP 2007124057A JP 4474435 B2 JP4474435 B2 JP 4474435B2
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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
- F02D41/3064—Controlling fuel injection according to or using specific or several modes of combustion with special control during transition between modes
- F02D41/307—Controlling fuel injection according to or using specific or several modes of combustion with special control during transition between modes to avoid torque shocks
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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
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0203—Variable control of intake and exhaust valves
- F02D13/0207—Variable control of intake and exhaust valves changing valve lift or valve lift and timing
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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
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0261—Controlling the valve overlap
- F02D13/0265—Negative valve overlap for temporarily storing residual gas in the cylinder
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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
- F02D41/0002—Controlling intake air
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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
- F02D41/3017—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used
- F02D41/3035—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used a mode being the premixed charge compression-ignition mode
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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
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/01—Internal exhaust gas recirculation, i.e. wherein the residual exhaust gases are trapped in the cylinder or pushed back from the intake or the exhaust manifold into the combustion chamber without the use of additional passages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B1/00—Engines characterised by fuel-air mixture compression
- F02B1/12—Engines characterised by fuel-air mixture compression with compression ignition
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/12—Other methods of operation
- F02B2075/125—Direct injection in the combustion chamber for spark ignition engines, i.e. not in pre-combustion chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
- F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
- F02B23/10—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
- F02B23/104—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder the injector being placed on a side position of the cylinder
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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
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
- F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
- F02D11/105—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type characterised by the function converting demand to actuation, e.g. a map indicating relations between an accelerator pedal position and throttle valve opening or target engine torque
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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
- F02D41/0002—Controlling intake air
- F02D2041/001—Controlling intake air for engines with variable valve actuation
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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
- F02D37/00—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for
- F02D37/02—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for one of the functions being ignition
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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
- F02D41/32—Controlling fuel injection of the low pressure type
- F02D41/34—Controlling fuel injection of the low pressure type with means for controlling injection timing or duration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P5/00—Advancing or retarding ignition; Control therefor
- F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
- F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
- F02P5/15—Digital data processing
- F02P5/1502—Digital data processing using one central computing unit
- F02P5/1504—Digital data processing using one central computing unit with particular means during a transient phase, e.g. acceleration, deceleration, gear change
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Description
20ではクランク角度センサ13の出力信号に基づいて、エンジンの回転速度を演算する。上記各種センサの出力から得られるエンジンの運転状態に基づき、空気流量,燃料噴射量,点火時期のエンジンの主要な作動量が最適に演算される。
502内の出力ポートに送られ、各駆動回路を経て各アクチュエータに送られる。本実施形態の場合は、駆動回路として、電子スロットル回路506,インジェクタ駆動回路507,点火出力回路508,可変バルブ駆動回路509がある。各回路は、それぞれ、電子制御スロットル2,インジェクタ3,点火プラグ4,可変バルブ5の駆動を制御する。
100の作動状態を示すマップを備えている。燃焼形態切替え判定手段601は、要求エンジントルクとエンジン回転速度に応じて、図1の作動状態マップに基づき、圧縮自己着火式燃焼が実施可能である作動状態であれば、圧縮自己着火式燃焼が実施可能であると判定し、燃焼形態切替えフラグをON(=1)にセットする。これに対し、圧縮自己着火式燃焼が実施不可能である作動状態では、火花点火式燃焼の実施が必要と判定し、燃焼形態切替えフラグをOFF(=0)にセットする。
ON(=1)からOFF(=0)に切替わった際には、圧縮自己着火式燃焼から火花点火式燃焼へと燃焼形態を切替えるべく、目標操作量に燃焼切替え用操作量をセットした後に、目標操作量に火花点火式燃焼用操作量をセットする。ただし、燃焼切替え制御を実施中に、燃焼形態切替えフラグがOFF(=0)からON(=1)に切替わった場合には、圧縮自己着火式燃焼へ切替えずに、火花点火式燃焼への燃焼切替え制御を継続すべく、目標操作量に燃焼切替え用操作量をセットする。
S1201では、ステップS1001でセットされた燃焼形態切替えフラグFLG(t)がON(=1)であるか否かを判断し、FLG(t)=0である場合、すなわち、火花点火式燃焼への切替え、または、火花点火式燃焼を継続する場合には、ステップS1202に進む。これに対し、FLG(t)=1である場合、すなわち、圧縮自己着火式燃焼への切替え、または、圧縮自己着火式燃焼を継続する場合には、ステップS1207へと進む。
S1210にて、目標操作量に燃焼切替え用操作量をセットして一連の作動を終了する。
11参照)は第1実施形態と同様であり、燃焼形態切替え実現手段の機能のみが異なる。
HC濃度の増大を抑制することが可能である。
S1608へと進む。
2 電子制御スロットル
3 インジェクタ
4 点火プラグ
5 可変バルブ
5a 吸気バルブ
5b 排気バルブ
6 吸気管
7 シリンダ
8 排気管
9 空燃比センサ
10 三元触媒
11 排気温度センサ
12 クランク軸
13 クランク角度センサ
14 ピストン
20 ECU
20A 燃焼形態切替え部
100 エンジン
501 入力回路
502 入出力ポート
503 RAM
504 ROM
505 CPU
506 電子スロットル回路
507 インジェクタ駆動回路
508 点火出力回路
509 可変バルブ駆動回路
601 燃焼形態切替え判定手段
602 燃焼形態切替え実現手段
Claims (10)
- 内燃機関の燃焼形態を圧縮自己着火式燃焼から火花点火式燃焼へ切替え可能な内燃機関のスロットル開度を制御する制御装置であって、
前記制御装置は、前記内燃機関の燃焼状態を圧縮自己着火式燃焼から火花点火式燃焼へと切替える前及び/又は後の所定期間内に、
圧縮自己着火式燃焼から火花点火式燃焼へ切替わる際に要求されるエンジントルク及び回転速度を火花点火式燃焼で実現するべく前記制御装置が設定するスロットル開度1よりも小さくなるように前記内燃機関のスロットル開度を制御する制御装置。 - 前記所定期間を経た後に、前記スロットル開度を前記スロットル開度1になるように制御する請求項1記載の制御装置。
- 圧縮自己着火式燃焼から火花点火式燃焼へ切替わる際に要求されるエンジントルク及び回転速度を火花点火式燃焼で実現するべく前記制御装置が設定するスロットル開度1よりも大きく、かつ前記エンジントルク及び前記回転速度を圧縮自己着火式燃焼で実現する際に要求される前記制御装置が設定するスロットル開度2よりも小さくなるように、前記内燃機関のスロットル開度を制御した後に、前記スロットル開度1よりも小さくなるように前記内燃機関のスロットル開度を制御する請求項1記載の制御装置。
- 前記内燃機関のスロットル開度を前記スロットル開度1よりも小さくなるように制御する期間内に、前記エンジントルク及び前記回転速度を火花点火式燃焼で実現する場合に前記制御装置が設定する燃料量よりも多い燃料量1を噴射するように前記内燃機関の燃料噴射装置を制御する請求項1記載の制御装置。
- 前記内燃機関のスロットル開度を前記スロットル開度1よりも小さくなるように制御す
る期間内に、前記エンジントルク及び前記回転速度を火花点火式燃焼で実現する場合に前記制御装置が設定する点火時期よりも点火時期が進角するように点火プラグを制御する請求項1の制御装置。 - 前記内燃機関のスロットル開度を前記スロットル開度1よりも小さくなるように制御す
る期間内に、前記エンジントルク及び前記回転速度を火花点火式燃焼で実現する場合に前記制御装置が設定する前記内燃機関の吸気弁のリフト量よりもリフト量が小さくなるように前記吸気弁を制御する請求項1記載の制御装置。 - 前記内燃機関のスロットル開度を前記スロットル開度1よりも小さくなるように制御する期間内に、火花点火式燃焼から圧縮自己着火式燃焼への切替えを禁止する請求項1記載の制御装置。
- 前記内燃機関のスロットル開度を前記スロットル開度1よりも小さくなるように制御す
る期間の長さを、前記エンジントルクおよび前記回転速度に基づいて決定する請求項1記載の制御装置。 - 前記内燃機関のスロットル開度を前記スロットル開度1よりも小さくなるように制御する期間の長さを、前記内燃機関のEGR量,吸気管圧力,吸気量,吸気温度,水温の少なくともひとつを直接的または間接的に検出した結果に基づいて決定する請求項1記載の制御装置。
- 前記内燃機関のスロットル開度を前記スロットル開度1よりも小さくなるように制御する期間内に前記内燃機関の吸気弁の開閉時期を調整する請求項1記載の制御装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2007124057A JP4474435B2 (ja) | 2007-05-09 | 2007-05-09 | 内燃機関の制御装置 |
US12/116,733 US7957887B2 (en) | 2007-05-09 | 2008-05-07 | Engine controller |
EP08008584.8A EP1990527A3 (en) | 2007-05-09 | 2008-05-07 | Engine controller |
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JP2007124057A JP4474435B2 (ja) | 2007-05-09 | 2007-05-09 | 内燃機関の制御装置 |
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JP2008280875A JP2008280875A (ja) | 2008-11-20 |
JP4474435B2 true JP4474435B2 (ja) | 2010-06-02 |
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US (1) | US7957887B2 (ja) |
EP (1) | EP1990527A3 (ja) |
JP (1) | JP4474435B2 (ja) |
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US7729844B2 (en) * | 2008-03-13 | 2010-06-01 | Gm Global Technology Operations, Inc. | HCCI combustion moding state control for fuel economy and seamless transitions |
JP2010203271A (ja) * | 2009-03-02 | 2010-09-16 | Nissan Motor Co Ltd | 内燃機関の燃焼制御装置 |
JP5124522B2 (ja) * | 2009-05-12 | 2013-01-23 | 日立オートモティブシステムズ株式会社 | 圧縮自己着火式内燃機関の制御装置 |
DE102010000741A1 (de) * | 2010-01-08 | 2011-07-14 | Robert Bosch GmbH, 70469 | Verfahren zum Umschalten zwischen einer HCCI-Verbrennung und einer SI-Verbrennung in einem Reaktor einer Brennkraftmaschine |
US8437943B2 (en) * | 2010-01-28 | 2013-05-07 | Deere & Company | NOx control during load increases |
DE102010001738A1 (de) * | 2010-02-10 | 2011-08-11 | Robert Bosch GmbH, 70469 | Verfahren zum Regeln von Luftsystemzuständen in einem Saugrohr einer Brennkraftmaschine |
DE102010012744B4 (de) * | 2010-03-25 | 2021-06-10 | Volkswagen Ag | Verfahren zum Betreiben einer Brennkraftmaschine mit Betriebsartenübergang |
JP2013167258A (ja) * | 2013-06-05 | 2013-08-29 | Nissan Motor Co Ltd | 内燃機関の燃焼制御装置 |
JP5858971B2 (ja) * | 2013-11-18 | 2016-02-10 | 三菱電機株式会社 | 内燃機関の制御装置およびその方法 |
BR112016013746A2 (pt) * | 2013-12-20 | 2017-08-08 | Toyota Motor Co Ltd | Aparelho para controle de gás de escapamento para motor de combustão interna |
US10619603B2 (en) * | 2017-08-22 | 2020-04-14 | Ford Global Technologies, Llc | Methods and systems for diagnosing engine internal exhaust gas recirculation |
DE102018213809A1 (de) * | 2018-08-16 | 2020-02-20 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine mit einer Drosselklappe und mit einer Abgasrückführung zur Erkennung einer versotteten AGR-Leitung |
CN112963256B (zh) * | 2021-03-22 | 2022-09-30 | 重庆邮电大学 | Hcci/si燃烧模式切换过程控制方法 |
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JPH109011A (ja) | 1996-04-22 | 1998-01-13 | Toyota Motor Corp | 内燃機関の燃焼制御装置 |
JP3980477B2 (ja) * | 2000-08-17 | 2007-09-26 | 株式会社日立製作所 | 圧縮着火式内燃機関 |
JP2004036575A (ja) | 2002-07-05 | 2004-02-05 | Nissan Motor Co Ltd | 内燃機関の制御装置 |
US20030226528A1 (en) * | 2002-12-31 | 2003-12-11 | Hitachi, Ltd. | Compression ignition internal combustion engine |
JP4066851B2 (ja) * | 2003-03-03 | 2008-03-26 | トヨタ自動車株式会社 | 可変サイクルエンジンおよび運転モードの切り替え方法 |
JP2004293471A (ja) * | 2003-03-27 | 2004-10-21 | Honda Motor Co Ltd | 燃焼方式切替可能な内燃機関の吸気絞り弁制御装置 |
DE102004034505B4 (de) * | 2004-07-16 | 2018-01-04 | Daimler Ag | Verfahren zum Betrieb einer Brennkraftmaschine |
JP2006258017A (ja) * | 2005-03-18 | 2006-09-28 | Toyota Motor Corp | 内燃機関の制御装置 |
JP2006274951A (ja) | 2005-03-29 | 2006-10-12 | Mazda Motor Corp | 4サイクル火花点火式エンジン |
JP2006336511A (ja) | 2005-05-31 | 2006-12-14 | Hitachi Ltd | 内燃機関の制御装置 |
JP4365812B2 (ja) | 2005-09-15 | 2009-11-18 | 株式会社日立製作所 | 内燃機関の制御装置及び制御方法 |
EP1770265A3 (en) * | 2005-09-30 | 2011-02-23 | Honda Motor Co., Ltd. | EGR control system for internal combustion engine |
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2007
- 2007-05-09 JP JP2007124057A patent/JP4474435B2/ja not_active Expired - Fee Related
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2008
- 2008-05-07 EP EP08008584.8A patent/EP1990527A3/en not_active Withdrawn
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US7957887B2 (en) | 2011-06-07 |
EP1990527A3 (en) | 2014-12-24 |
JP2008280875A (ja) | 2008-11-20 |
EP1990527A2 (en) | 2008-11-12 |
US20080281497A1 (en) | 2008-11-13 |
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