JP2007247522A - 内燃機関の燃料噴射制御装置 - Google Patents
内燃機関の燃料噴射制御装置 Download PDFInfo
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- JP2007247522A JP2007247522A JP2006071666A JP2006071666A JP2007247522A JP 2007247522 A JP2007247522 A JP 2007247522A JP 2006071666 A JP2006071666 A JP 2006071666A JP 2006071666 A JP2006071666 A JP 2006071666A JP 2007247522 A JP2007247522 A JP 2007247522A
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- Prior art keywords
- injection
- fuel injection
- fuel
- control device
- internal combustion
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Classifications
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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
- F02D41/024—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus
- F02D41/0245—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus by increasing temperature of the exhaust gas leaving the engine
-
- 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
-
- 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
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
- F02D35/027—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions using knock sensors
-
- 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
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
-
- 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
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
- F02D41/062—Introducing corrections for particular operating conditions for engine starting or warming up for starting
- F02D41/064—Introducing corrections for particular operating conditions for engine starting or warming up for starting at cold start
-
- 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
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/146—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an NOx content or concentration
- F02D41/1461—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an NOx content or concentration of the exhaust gases emitted by the engine
- F02D41/1462—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an NOx content or concentration of the exhaust gases emitted by the engine with determination means using an estimation
-
- 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
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
-
- 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
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/402—Multiple injections
- F02D41/405—Multiple injections with post injections
-
- 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
- F02D2200/0611—Fuel type, fuel composition or fuel quality
-
- 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
- F02D2200/0611—Fuel type, fuel composition or fuel quality
- F02D2200/0612—Fuel type, fuel composition or fuel quality determined by estimation
-
- 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
Landscapes
- 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)
- Fuel-Injection Apparatus (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
【解決手段】燃焼室内に直接燃料を噴射する燃料噴射弁を備え、機関を冷間始動する際(ステップS10肯定)、圧縮行程時に第1回目の燃料噴射を行い火花点火するとともに、膨張行程時に第2回目の燃料噴射を行うことにより触媒の昇温を図る内燃機関の燃料噴射制御装置において、要求トルクTおよび要求排気温Eに応じて燃圧を低減し、第2回目の噴射率を低減するとともに、噴射開始時期を従来(標準燃圧時)よりも進角するようにした(ステップS11〜S16)。
【選択図】 図1
Description
10a 燃焼室
20 排気バルブ
23 燃料噴射弁
23a 燃料噴霧
T1 低燃圧時における第1回目の噴射開始時期
T1n 標準燃圧時における第1回目の噴射開始時期
T2 低燃圧時における第2回目の噴射開始時期
T2n 標準燃圧時における第2回目の噴射開始時期
Tevo 排気バルブの開弁時期
RP、HP 適合点
Claims (4)
- 燃焼室内に直接燃料を噴射する燃料噴射弁を備え、機関を冷間始動する際、圧縮行程時に第1回目の燃料噴射を行い火花点火するとともに、膨張行程時に第2回目の燃料噴射を行うことにより触媒の昇温を図る内燃機関の燃料噴射制御装置において、
前記燃料噴射制御装置は、少なくとも前記膨張行程時の燃料噴射率を低減するように構成されていることを特徴とする内燃機関の燃料噴射制御装置。 - 前記燃料噴射率の低減は、前記燃料噴射弁の燃圧を低下させることにより行うことを特徴とする請求項1に記載の内燃機関の燃料噴射制御装置。
- 前記燃料噴射弁はリフト量を可変制御可能に構成され、前記膨張行程時の前記燃料噴射率の低減は、前記燃料噴射弁の前記リフト量を低下させることにより行うことを特徴とする請求項1に記載の内燃機関の燃料噴射制御装置。
- 燃焼室内に直接燃料を噴射する燃料噴射弁を備え、機関を冷間始動する際、圧縮行程時に第1回目の燃料噴射を行い火花点火するとともに、膨張行程時に第2回目の燃料噴射を行うことにより触媒の昇温を図る内燃機関の燃料噴射制御装置において、
前記燃料のオクタン価を判別するオクタン価判別手段を更に備え、
前記燃料噴射制御装置は、前記オクタン価判別手段によって判別された前記オクタン価に応じて前記膨張行程時の前記燃料噴射率を低減するように構成されていることを特徴とする内燃機関の燃料噴射制御装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006071666A JP4605057B2 (ja) | 2006-03-15 | 2006-03-15 | 内燃機関の燃料噴射制御装置 |
EP07734011A EP1994272A2 (en) | 2006-03-15 | 2007-03-14 | Fuel injection control apparatus and fuel injection control method of internal combustion engine |
CN2007800092406A CN101405497B (zh) | 2006-03-15 | 2007-03-14 | 内燃机的燃料喷射控制装置和燃料喷射控制方法 |
KR1020087022300A KR101016924B1 (ko) | 2006-03-15 | 2007-03-14 | 내연기관의 연료 분사 제어 장치 및 연료 분사 방법 |
PCT/IB2007/000674 WO2007105103A2 (en) | 2006-03-15 | 2007-03-14 | Fuel injection control apparatus and fuel injection control method of internal combustion engine |
US12/225,079 US8082093B2 (en) | 2006-03-15 | 2007-03-14 | Fuel injection control apparatus and fuel injection control method of internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006071666A JP4605057B2 (ja) | 2006-03-15 | 2006-03-15 | 内燃機関の燃料噴射制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007247522A true JP2007247522A (ja) | 2007-09-27 |
JP4605057B2 JP4605057B2 (ja) | 2011-01-05 |
Family
ID=38349449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006071666A Expired - Fee Related JP4605057B2 (ja) | 2006-03-15 | 2006-03-15 | 内燃機関の燃料噴射制御装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8082093B2 (ja) |
EP (1) | EP1994272A2 (ja) |
JP (1) | JP4605057B2 (ja) |
KR (1) | KR101016924B1 (ja) |
CN (1) | CN101405497B (ja) |
WO (1) | WO2007105103A2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108691682A (zh) * | 2017-04-12 | 2018-10-23 | 丰田自动车株式会社 | 内燃机的控制装置 |
Families Citing this family (11)
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JP2008095660A (ja) * | 2006-10-16 | 2008-04-24 | Toyota Motor Corp | 筒内噴射式火花点火内燃機関の制御装置 |
DE102009052219A1 (de) * | 2009-11-06 | 2011-05-12 | Volkswagen Ag | Verfahren zum Betreiben einer Brennkraftmaschine mit Mehrfachverbrennung in einem Arbeitszyklus |
DE102010032431A1 (de) * | 2010-07-28 | 2011-04-21 | Daimler Ag | Verfahren zum Betreiben einer Verbrennungskraftmaschine |
US10344687B2 (en) * | 2011-12-16 | 2019-07-09 | Ge Global Sourcing Llc | Fuel selection method and related system for a mobile asset |
DE102012222899A1 (de) * | 2012-12-12 | 2014-06-12 | Robert Bosch Gmbh | Verfahren zur Ermittlung der Brennstoffqualität bei einer Brennkraftmaschine insbesondere eines Kraftfahrzeuges |
JP6098446B2 (ja) * | 2013-09-04 | 2017-03-22 | トヨタ自動車株式会社 | 機関制御装置 |
US9506414B2 (en) * | 2013-10-01 | 2016-11-29 | GM Global Technology Operations LLC | Cold start emissions reduction diagnostic system for an internal combustion engine |
GB2526246B (en) * | 2014-03-10 | 2019-05-15 | Trident Torque Multiplication Tech Limited | Multiple fuel engine |
JP2017078344A (ja) * | 2015-10-19 | 2017-04-27 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
US9689331B1 (en) * | 2016-03-24 | 2017-06-27 | GM Global Technology Operations LLC | Method and apparatus to control fuel injection in an internal combustion engine |
US11788483B1 (en) | 2022-07-06 | 2023-10-17 | Ford Global Technologies, Llc | Method and system for starting an engine |
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2006
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-
2007
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- 2007-03-14 CN CN2007800092406A patent/CN101405497B/zh not_active Expired - Fee Related
- 2007-03-14 WO PCT/IB2007/000674 patent/WO2007105103A2/en active Application Filing
- 2007-03-14 US US12/225,079 patent/US8082093B2/en not_active Expired - Fee Related
- 2007-03-14 KR KR1020087022300A patent/KR101016924B1/ko not_active IP Right Cessation
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108691682A (zh) * | 2017-04-12 | 2018-10-23 | 丰田自动车株式会社 | 内燃机的控制装置 |
CN108691682B (zh) * | 2017-04-12 | 2021-06-04 | 丰田自动车株式会社 | 内燃机的控制装置 |
Also Published As
Publication number | Publication date |
---|---|
CN101405497A (zh) | 2009-04-08 |
WO2007105103A2 (en) | 2007-09-20 |
WO2007105103A3 (en) | 2007-12-21 |
EP1994272A2 (en) | 2008-11-26 |
CN101405497B (zh) | 2012-05-23 |
US20090118974A1 (en) | 2009-05-07 |
KR20080103071A (ko) | 2008-11-26 |
US8082093B2 (en) | 2011-12-20 |
JP4605057B2 (ja) | 2011-01-05 |
KR101016924B1 (ko) | 2011-02-25 |
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