JP6309474B2 - 内燃機関の空燃比制御装置 - Google Patents
内燃機関の空燃比制御装置 Download PDFInfo
- Publication number
- JP6309474B2 JP6309474B2 JP2015031379A JP2015031379A JP6309474B2 JP 6309474 B2 JP6309474 B2 JP 6309474B2 JP 2015031379 A JP2015031379 A JP 2015031379A JP 2015031379 A JP2015031379 A JP 2015031379A JP 6309474 B2 JP6309474 B2 JP 6309474B2
- Authority
- JP
- Japan
- Prior art keywords
- air
- fuel ratio
- amplitude
- internal combustion
- combustion engine
- 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.)
- Expired - Fee Related
Links
- 239000000446 fuel Substances 0.000 title claims description 166
- 238000002485 combustion reaction Methods 0.000 title claims description 163
- 230000010355 oscillation Effects 0.000 claims description 31
- 230000003197 catalytic effect Effects 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 15
- 230000002411 adverse Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 description 67
- 230000008569 process Effects 0.000 description 59
- 239000003054 catalyst Substances 0.000 description 22
- 239000007789 gas Substances 0.000 description 17
- 238000012545 processing Methods 0.000 description 16
- 238000002347 injection Methods 0.000 description 15
- 239000007924 injection Substances 0.000 description 15
- 238000000746 purification Methods 0.000 description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 13
- 239000001301 oxygen Substances 0.000 description 13
- 229910052760 oxygen Inorganic materials 0.000 description 13
- 230000002159 abnormal effect Effects 0.000 description 10
- 230000008859 change Effects 0.000 description 10
- 230000001965 increasing effect Effects 0.000 description 10
- 238000001514 detection method Methods 0.000 description 9
- 230000003247 decreasing effect Effects 0.000 description 7
- 238000011144 upstream manufacturing Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Classifications
-
- 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
- Exhaust Gas After Treatment (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015031379A JP6309474B2 (ja) | 2015-02-20 | 2015-02-20 | 内燃機関の空燃比制御装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015031379A JP6309474B2 (ja) | 2015-02-20 | 2015-02-20 | 内燃機関の空燃比制御装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2016153608A JP2016153608A (ja) | 2016-08-25 |
| JP2016153608A5 JP2016153608A5 (enExample) | 2017-04-27 |
| JP6309474B2 true JP6309474B2 (ja) | 2018-04-11 |
Family
ID=56761123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015031379A Expired - Fee Related JP6309474B2 (ja) | 2015-02-20 | 2015-02-20 | 内燃機関の空燃比制御装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6309474B2 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6686863B2 (ja) * | 2016-12-16 | 2020-04-22 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
| JP7020089B2 (ja) | 2017-12-06 | 2022-02-16 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
| WO2022168792A1 (ja) | 2021-02-05 | 2022-08-11 | ヤマハ発動機株式会社 | ストラドルドビークル |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02230934A (ja) * | 1989-03-03 | 1990-09-13 | Toyota Motor Corp | 内燃機関の空燃比制御装置 |
| JP2962987B2 (ja) * | 1993-12-01 | 1999-10-12 | 本田技研工業株式会社 | 内燃機関の燃料制御装置 |
| JPH08122190A (ja) * | 1994-10-26 | 1996-05-17 | Hitachi Ltd | 筒内圧センサ及びエンジン制御システム |
| JPH10205377A (ja) * | 1997-01-21 | 1998-08-04 | Yamaha Motor Co Ltd | エンジン制御方式 |
| JP3446606B2 (ja) * | 1998-04-30 | 2003-09-16 | 株式会社デンソー | 内燃機関の空燃比制御装置 |
| JP2008255972A (ja) * | 2007-04-09 | 2008-10-23 | Mitsubishi Motors Corp | 空燃比制御装置 |
-
2015
- 2015-02-20 JP JP2015031379A patent/JP6309474B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016153608A (ja) | 2016-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5105008B2 (ja) | 多気筒内燃機関の気筒間空燃比ばらつき異常検出装置 | |
| JP4703622B2 (ja) | 気筒休止機構を備えた内燃機関の制御装置 | |
| JP5263327B2 (ja) | 多気筒内燃機関の気筒間空燃比ばらつき異常検出装置 | |
| WO1998012423A1 (en) | Engine control device | |
| JP6309474B2 (ja) | 内燃機関の空燃比制御装置 | |
| JP6344080B2 (ja) | 内燃機関の制御装置 | |
| JP2013007277A (ja) | 多気筒内燃機関の気筒間空燃比ばらつき異常検出装置 | |
| JP2015197098A (ja) | 筒内噴射式内燃機関の噴射制御装置 | |
| JP6260452B2 (ja) | 内燃機関の制御装置 | |
| JP2012127305A (ja) | 内燃機関の空燃比制御装置 | |
| JP6282962B2 (ja) | 内燃機関の空燃比制御装置 | |
| JP6749255B2 (ja) | 内燃機関の制御装置 | |
| JP5348228B2 (ja) | 気筒間空燃比ばらつき異常検出装置 | |
| JPH1044828A (ja) | 車両用最高速度制御装置 | |
| JP7683512B2 (ja) | 内燃機関の制御装置 | |
| JP4023174B2 (ja) | 触媒劣化判定装置 | |
| JP2006046077A (ja) | 水素添加内燃機関の制御装置 | |
| JP4749171B2 (ja) | イオン電流に基づく内燃機関の空燃比判定方法 | |
| JP2024098919A (ja) | エンジンの空燃比制御装置 | |
| KR100488211B1 (ko) | 엔진 제어장치 | |
| JP2020153334A (ja) | 内燃機関の排気浄化装置 | |
| JP2012225240A (ja) | 多気筒内燃機関の気筒間空燃比ばらつき異常検出装置 | |
| JP2000154748A (ja) | 内燃機関制御装置 | |
| JP6387932B2 (ja) | エンジンの制御装置 | |
| JP2017115802A (ja) | 内燃機関の空燃比制御装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20170322 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20170322 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20171128 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20171129 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180124 |
|
| 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: 20180213 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20180314 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 6309474 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| LAPS | Cancellation because of no payment of annual fees |