JP6610567B2 - エンジン装置 - Google Patents
エンジン装置 Download PDFInfo
- Publication number
- JP6610567B2 JP6610567B2 JP2017005093A JP2017005093A JP6610567B2 JP 6610567 B2 JP6610567 B2 JP 6610567B2 JP 2017005093 A JP2017005093 A JP 2017005093A JP 2017005093 A JP2017005093 A JP 2017005093A JP 6610567 B2 JP6610567 B2 JP 6610567B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- engine
- injection valve
- valve
- injection
- 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.)
- Active
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Classifications
-
- 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
- F02D41/3094—Controlling fuel injection the fuel injection being effected by at least two different injectors, e.g. one in the intake manifold and one in the cylinder
-
- 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
- F02D41/22—Safety or indicating devices for abnormal conditions
-
- 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
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D41/221—Safety or indicating devices for abnormal conditions relating to the failure of actuators or electrically driven elements
-
- 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
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D2041/224—Diagnosis of the fuel system
-
- 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
- F02D2041/389—Controlling fuel injection of the high pressure type for injecting directly into the cylinder
-
- 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
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
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)
Description
筒内に燃料を噴射する筒内噴射弁と吸気ポートに燃料を噴射するポート噴射弁とを有するエンジンと、
前記エンジンの状態に応じて前記筒内噴射弁による燃料噴射と前記ポート噴射弁による燃料噴射との噴射比率を調整して前記エンジンを運転制御する制御装置と、
を備えるエンジン装置であって、
前記制御装置は、燃料系の異常診断の実行条件が成立したときには、前記エンジンに要求されるパワーが所定パワー以上のときに前記筒内噴射弁からの燃料噴射を100%とした状態を用いて前記異常診断を実行する、
ことを特徴とする。
Claims (1)
- 筒内に燃料を噴射する筒内噴射弁と吸気ポートに燃料を噴射するポート噴射弁とを有するエンジンと、
前記エンジンの状態に応じて前記筒内噴射弁による燃料噴射と前記ポート噴射弁による燃料噴射との噴射比率を調整して前記エンジンを運転制御する制御装置と、
を備えるエンジン装置であって、
前記制御装置は、燃料系の異常診断の実行条件が成立したときには、前記エンジンに要求されるパワーが所定パワー以上のときに前記筒内噴射弁からの燃料噴射を100%とした状態を用いて前記異常診断を実行し、
前記所定パワーは、前記筒内噴射弁からの燃料噴射を100%として前記エンジンを運転したときに、前記筒内噴射弁からの噴射量が、前記筒内噴射弁に供給する燃料の燃圧により定まる、前記筒内噴射弁が異常な状態でも噴射可能な最小噴射可能量を下回らずに前記エンジンを安定した状態で運転することができるパワーとして予め定められる、
ことを特徴とするエンジン装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017005093A JP6610567B2 (ja) | 2017-01-16 | 2017-01-16 | エンジン装置 |
US15/869,222 US10655555B2 (en) | 2017-01-16 | 2018-01-12 | Engine system and method of controlling engine system |
CN201810035351.4A CN108397300B (zh) | 2017-01-16 | 2018-01-15 | 发动机系统及控制发动机系统的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017005093A JP6610567B2 (ja) | 2017-01-16 | 2017-01-16 | エンジン装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018115561A JP2018115561A (ja) | 2018-07-26 |
JP6610567B2 true JP6610567B2 (ja) | 2019-11-27 |
Family
ID=62838726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017005093A Active JP6610567B2 (ja) | 2017-01-16 | 2017-01-16 | エンジン装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US10655555B2 (ja) |
JP (1) | JP6610567B2 (ja) |
CN (1) | CN108397300B (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7428151B2 (ja) | 2021-01-28 | 2024-02-06 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP2023116991A (ja) * | 2022-02-10 | 2023-08-23 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2666229B2 (ja) * | 1992-03-30 | 1997-10-22 | 本田技研工業株式会社 | 内燃エンジンの異常診断装置 |
US5535621A (en) * | 1994-03-02 | 1996-07-16 | Ford Motor Company | On-board detection of fuel injector malfunction |
JP3605221B2 (ja) | 1996-03-19 | 2004-12-22 | 株式会社日立製作所 | 内燃機関の制御装置 |
JP4355346B2 (ja) * | 2007-05-21 | 2009-10-28 | 三菱電機株式会社 | 内燃機関の制御装置 |
JP2009203884A (ja) * | 2008-02-27 | 2009-09-10 | Denso Corp | 内燃機関の制御装置 |
CN101368520A (zh) * | 2008-10-09 | 2009-02-18 | 天津大学 | 全数字化喷油器驱动和故障检测电路 |
JP2010196506A (ja) * | 2009-02-23 | 2010-09-09 | Hitachi Automotive Systems Ltd | 筒内噴射式内燃機関 |
JP5119216B2 (ja) | 2009-07-21 | 2013-01-16 | トヨタ自動車株式会社 | 内燃機関の異常診断装置 |
DE112010005447T5 (de) * | 2010-04-05 | 2013-03-28 | Toyota Jidosha K.K. | Steuervorrichtung für eine Brennkraftmaschine |
US8118006B2 (en) * | 2010-04-08 | 2012-02-21 | Ford Global Technologies, Llc | Fuel injector diagnostic for dual fuel engine |
JP5099191B2 (ja) * | 2010-09-09 | 2012-12-12 | トヨタ自動車株式会社 | 内燃機関の燃料供給装置 |
DE102012020490B3 (de) * | 2012-10-10 | 2014-03-13 | Mtu Friedrichshafen Gmbh | Verfahren zur Ausfallerkennung von Injektoren in einem Verbrennungsmotor, Motorsteuergerät und System zur Durchführung eines Verfahrens |
JP5942965B2 (ja) * | 2013-11-22 | 2016-06-29 | トヨタ自動車株式会社 | 内燃機関の制御装置および内燃機関の制御方法 |
US9593637B2 (en) * | 2013-12-05 | 2017-03-14 | Ford Global Technologies, Llc | Method of diagnosing injector variability in a multiple injector system |
US10125713B2 (en) * | 2016-12-06 | 2018-11-13 | GM Global Technology Operations LLC | Method of detecting a clogging of a fuel injector in an internal combustion engine |
-
2017
- 2017-01-16 JP JP2017005093A patent/JP6610567B2/ja active Active
-
2018
- 2018-01-12 US US15/869,222 patent/US10655555B2/en not_active Expired - Fee Related
- 2018-01-15 CN CN201810035351.4A patent/CN108397300B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN108397300A (zh) | 2018-08-14 |
CN108397300B (zh) | 2021-05-07 |
JP2018115561A (ja) | 2018-07-26 |
US20180202384A1 (en) | 2018-07-19 |
US10655555B2 (en) | 2020-05-19 |
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