JP2022014634A - エンジン装置 - Google Patents
エンジン装置 Download PDFInfo
- Publication number
- JP2022014634A JP2022014634A JP2020117066A JP2020117066A JP2022014634A JP 2022014634 A JP2022014634 A JP 2022014634A JP 2020117066 A JP2020117066 A JP 2020117066A JP 2020117066 A JP2020117066 A JP 2020117066A JP 2022014634 A JP2022014634 A JP 2022014634A
- Authority
- JP
- Japan
- Prior art keywords
- engine
- fuel injection
- fuel
- expansion stroke
- injection amount
- 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.)
- Granted
Links
- 238000002347 injection Methods 0.000 claims abstract description 269
- 239000007924 injection Substances 0.000 claims abstract description 269
- 239000000446 fuel Substances 0.000 claims abstract description 254
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000000498 cooling water Substances 0.000 claims abstract description 13
- 238000012937 correction Methods 0.000 claims description 31
- 238000002485 combustion reaction Methods 0.000 claims description 29
- 238000000746 purification Methods 0.000 claims description 22
- 239000003054 catalyst Substances 0.000 claims description 14
- 230000007423 decrease Effects 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 4
- 239000000243 solution Substances 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 16
- 238000007906 compression Methods 0.000 description 16
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 5
- 239000010419 fine particle Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000004071 soot Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000004580 weight loss Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
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
- F02D41/38—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
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D39/00—Other non-electrical control
- F02D39/06—Other non-electrical control for engines adding the fuel substantially at the end of compression stroke
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D39/00—Other non-electrical control
- F02D39/08—Other non-electrical control for engines adding the fuel substantially before compression stroke
-
- 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
-
- 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
- F02D41/30—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
-
- 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
- F02P5/045—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions combined with electronic control of other engine functions, e.g. fuel injection
-
- 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
- F02P5/1506—Digital data processing using one central computing unit with particular means during starting
-
- 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
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/021—Engine temperature
-
- 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
- F02D2200/04—Engine intake system parameters
- F02D2200/0411—Volumetric efficiency
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
Description
燃焼室に燃料を噴霧する筒内噴射弁と前記筒内噴射弁から噴霧される燃料に点火可能な点火プラグとを有するエンジンと、
前記エンジンの排気を浄化する浄化触媒を有する浄化装置と、
前記筒内噴射弁による複数回の燃料噴射と前記点火プラグによる点火とを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、前記筒内噴射弁からの最後の燃料噴射を膨張行程で行なうと共に前記膨張行程における燃料噴射に同期して前記点火プラグにより点火する膨張行程噴射駆動の際における前記最後の燃料噴射量については、前記エンジンを始動したときの前記エンジンの冷却水の温度である始動時水温、前記エンジンを始動してからの時間である始動後時間、前記エンジンの1サイクルあたりの行程容積に対する1サイクルで実際に吸入される空気の容積の比である体積効率に基づいて設定する、
ことを特徴とする。
Claims (4)
- 燃焼室に燃料を噴霧する筒内噴射弁と前記筒内噴射弁から噴霧される燃料に点火可能な点火プラグとを有するエンジンと、
前記エンジンの排気を浄化する浄化触媒を有する浄化装置と、
前記筒内噴射弁による複数回の燃料噴射と前記点火プラグによる点火とを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、前記筒内噴射弁からの最後の燃料噴射を膨張行程で行なうと共に前記膨張行程における燃料噴射に同期して前記点火プラグにより点火する膨張行程噴射駆動の際における前記最後の燃料噴射量については、前記エンジンを始動したときの前記エンジンの冷却水の温度である始動時水温、前記エンジンを始動してからの時間である始動後時間、前記エンジンの1サイクルあたりの行程容積に対する1サイクルで実際に吸入される空気の容積の比である体積効率に基づいて設定する、
ことを特徴とするエンジン装置。 - 請求項1記載のエンジン装置であって、
前記制御装置は、前記膨張行程噴射駆動における前記最後の燃料噴射量については、前記始動時水温が高いほど多くなる傾向に、前記始動後時間が長くなるほど少なくなる傾向に、前記体積効率が大きくなる臍多くなる傾向に設定する、
エンジン装置。 - 請求項1または2記載のエンジン装置であって、
前記制御装置は、前記膨張行程噴射駆動における前記最後の燃料噴射を除く燃料噴射については前記筒内噴射弁の開度を全開となるように制御し、前記最後の燃料噴射については前記筒内噴射弁の開度を半開となるように制御する、
エンジン装置。 - 請求項1ないし3のうちのいずれか1つの請求項に記載のエンジン装置であって、
前記制御装置は、前記膨張行程噴射駆動における前記最後の燃料噴射を除く燃料噴射量については空燃比フィードバック制御による補正を行ない、記膨張行程噴射駆動における前記最後の燃料噴射量については前記空燃比フィードバック制御による補正は行なわない、
エンジン装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020117066A JP7283450B2 (ja) | 2020-07-07 | 2020-07-07 | エンジン装置 |
US17/356,660 US11365701B2 (en) | 2020-07-07 | 2021-06-24 | Engine device |
CN202110716756.6A CN113915016B (zh) | 2020-07-07 | 2021-06-28 | 发动机装置 |
DE102021117114.8A DE102021117114A1 (de) | 2020-07-07 | 2021-07-02 | Kraftmaschinenvorrichtung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020117066A JP7283450B2 (ja) | 2020-07-07 | 2020-07-07 | エンジン装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022014634A true JP2022014634A (ja) | 2022-01-20 |
JP7283450B2 JP7283450B2 (ja) | 2023-05-30 |
Family
ID=79020400
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020117066A Active JP7283450B2 (ja) | 2020-07-07 | 2020-07-07 | エンジン装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US11365701B2 (ja) |
JP (1) | JP7283450B2 (ja) |
CN (1) | CN113915016B (ja) |
DE (1) | DE102021117114A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11264333A (ja) * | 1998-03-19 | 1999-09-28 | Nissan Motor Co Ltd | 筒内直接燃料噴射式内燃機関の制御装置 |
JP2001323834A (ja) * | 2000-05-17 | 2001-11-22 | Mazda Motor Corp | エンジンの制御装置 |
JP2016223443A (ja) * | 2015-05-29 | 2016-12-28 | トヨタ自動車株式会社 | エンジン制御装置 |
JP2018178891A (ja) * | 2017-04-17 | 2018-11-15 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP2019065807A (ja) * | 2017-10-03 | 2019-04-25 | 株式会社デンソー | 燃料噴射制御装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1245815B1 (en) * | 2001-03-30 | 2006-06-07 | Mazda Motor Corporation | Direct-injection spark-ignition engine with a turbo-charging device, engine control method , and computer-readable storage medium therefor |
US7185631B2 (en) * | 2004-10-15 | 2007-03-06 | Nissan Motor Co., Ltd. | Combustion control system and method for direct-injection spark-ignition internal combustion engine |
JP2006291877A (ja) * | 2005-04-12 | 2006-10-26 | Toyota Motor Corp | 内燃機関の制御装置 |
JP4483706B2 (ja) * | 2005-05-31 | 2010-06-16 | 日産自動車株式会社 | 筒内直接噴射式火花点火内燃機関の制御装置 |
JP2006348863A (ja) * | 2005-06-16 | 2006-12-28 | Toyota Motor Corp | 内燃機関の始動装置 |
JP4924751B1 (ja) * | 2010-11-09 | 2012-04-25 | マツダ株式会社 | 火花点火式直噴エンジンの制御方法及びその制御装置 |
US9003776B2 (en) * | 2012-07-30 | 2015-04-14 | Ford Global Technologies, Llc | Method for regenerating an exhaust after treatment device |
JP6763805B2 (ja) * | 2016-07-05 | 2020-09-30 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP2018131948A (ja) | 2017-02-14 | 2018-08-23 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP2019138248A (ja) * | 2018-02-13 | 2019-08-22 | 株式会社デンソー | 燃料噴射制御装置 |
-
2020
- 2020-07-07 JP JP2020117066A patent/JP7283450B2/ja active Active
-
2021
- 2021-06-24 US US17/356,660 patent/US11365701B2/en active Active
- 2021-06-28 CN CN202110716756.6A patent/CN113915016B/zh active Active
- 2021-07-02 DE DE102021117114.8A patent/DE102021117114A1/de active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11264333A (ja) * | 1998-03-19 | 1999-09-28 | Nissan Motor Co Ltd | 筒内直接燃料噴射式内燃機関の制御装置 |
JP2001323834A (ja) * | 2000-05-17 | 2001-11-22 | Mazda Motor Corp | エンジンの制御装置 |
JP2016223443A (ja) * | 2015-05-29 | 2016-12-28 | トヨタ自動車株式会社 | エンジン制御装置 |
JP2018178891A (ja) * | 2017-04-17 | 2018-11-15 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP2019065807A (ja) * | 2017-10-03 | 2019-04-25 | 株式会社デンソー | 燃料噴射制御装置 |
Also Published As
Publication number | Publication date |
---|---|
US20220010749A1 (en) | 2022-01-13 |
DE102021117114A1 (de) | 2022-01-13 |
JP7283450B2 (ja) | 2023-05-30 |
CN113915016A (zh) | 2022-01-11 |
CN113915016B (zh) | 2024-01-12 |
US11365701B2 (en) | 2022-06-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20170145946A1 (en) | Control device for internal combustion engine | |
US9133811B2 (en) | Method and apparatus for controlling start-up of internal combustion engine | |
US10519882B2 (en) | Internal combustion engine | |
JP4918911B2 (ja) | 筒内直接燃料噴射式火花点火エンジンの燃圧制御装置 | |
JP2007016685A (ja) | 内燃機関の制御装置 | |
JP2007146826A (ja) | 内燃機関の燃料噴射制御装置 | |
JP4135643B2 (ja) | 直噴火花点火式内燃機関の制御装置 | |
JP6195545B2 (ja) | 内燃機関の制御装置 | |
JP6287740B2 (ja) | エンジンの燃料制御装置 | |
JP4270246B2 (ja) | エンジンの始動制御装置及び始動制御方法 | |
JP4254607B2 (ja) | エンジンの始動装置 | |
JP3731403B2 (ja) | 直噴火花点火式内燃機関の制御装置 | |
JP2022014634A (ja) | エンジン装置 | |
JP2004028031A (ja) | 直噴火花点火式エンジンの制御装置及び制御方法 | |
JP2022014271A (ja) | エンジン装置 | |
WO2017022088A1 (ja) | 燃料噴射制御方法及び燃料噴射制御装置 | |
JP5644342B2 (ja) | 多気筒内燃機関の制御装置 | |
JP2022007612A (ja) | エンジン装置 | |
JP5045600B2 (ja) | 内燃機関 | |
JP2010048108A (ja) | 内燃機関 | |
JP7424196B2 (ja) | エンジン装置 | |
JP7428066B2 (ja) | エンジン装置 | |
JP7363667B2 (ja) | エンジン装置 | |
JP2024021123A (ja) | エンジン装置 | |
JP2022007804A (ja) | エンジン装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20220622 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20230405 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20230418 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230501 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 7283450 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |