JP6075852B2 - エンジン - Google Patents
エンジン Download PDFInfo
- Publication number
- JP6075852B2 JP6075852B2 JP2012281650A JP2012281650A JP6075852B2 JP 6075852 B2 JP6075852 B2 JP 6075852B2 JP 2012281650 A JP2012281650 A JP 2012281650A JP 2012281650 A JP2012281650 A JP 2012281650A JP 6075852 B2 JP6075852 B2 JP 6075852B2
- Authority
- JP
- Japan
- Prior art keywords
- egr
- sectional area
- effective passage
- engine
- intake
- 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.)
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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
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- Exhaust-Gas Circulating Devices (AREA)
Description
8 EGR装置
10 EGR弁
11 吸気圧検出センサー
12 排気圧検出センサー
15 ECU
Megr EGRガス重量
G EGR弁開度
ΔP EGR差圧
Ared 有効通路断面積
Mx 有効通路断面積マップ
Claims (1)
- 排気の一部をEGRガスとして吸気に還流させるEGR装置を備えるエンジンであって、
EGRガス重量を制限するEGR弁と、
エンジンの吸気圧と排気圧との差であるEGR差圧を検出する差圧検出手段と、
EGR弁のEGR弁開度を変更してEGRガス重量を調整する制御装置を具備し、
前記制御装置は、
前記EGR弁開度と前記EGR差圧とからEGR装置の有効通路断面積を算出する有効通路断面積マップを複数備え、
前記吸気圧と前記排気圧との圧力比である吸排気圧力比と、排気圧とに基づいて、前記吸排気圧力比と所定値との大小を判定し、前記排気圧と所定値との大小を判定し、
前記判定結果に基づいて、前記複数の有効通路断面積マップから一の有効通路断面積マップを選択し、
複数の有効通路断面積マップのうち選択された一の有効通路断面積マップから有効通路断面積を算出する
エンジン。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012281650A JP6075852B2 (ja) | 2012-12-25 | 2012-12-25 | エンジン |
US14/655,532 US9644567B2 (en) | 2012-12-25 | 2013-09-10 | Engine |
KR1020157019266A KR101747826B1 (ko) | 2012-12-25 | 2013-09-10 | 엔진 |
EP13868285.1A EP2940276A4 (en) | 2012-12-25 | 2013-09-10 | ENGINE |
PCT/JP2013/074322 WO2014103439A1 (ja) | 2012-12-25 | 2013-09-10 | エンジン |
CN201380068136.XA CN104884775B (zh) | 2012-12-25 | 2013-09-10 | 发动机 |
US15/478,660 US9915213B2 (en) | 2012-12-25 | 2017-04-04 | Engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012281650A JP6075852B2 (ja) | 2012-12-25 | 2012-12-25 | エンジン |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014125915A JP2014125915A (ja) | 2014-07-07 |
JP6075852B2 true JP6075852B2 (ja) | 2017-02-08 |
Family
ID=51405628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012281650A Active JP6075852B2 (ja) | 2012-12-25 | 2012-12-25 | エンジン |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6075852B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6424154B2 (ja) * | 2015-12-15 | 2018-11-14 | ヤンマー株式会社 | エンジン |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4192763B2 (ja) * | 2003-11-07 | 2008-12-10 | 株式会社日立製作所 | 電子式egrガス制御装置 |
JP2010156312A (ja) * | 2009-01-05 | 2010-07-15 | Toyota Motor Corp | 内燃機関の制御装置 |
JP5632223B2 (ja) * | 2010-07-28 | 2014-11-26 | ヤンマー株式会社 | エンジン装置の排気ガス再循環システム |
JP5793320B2 (ja) * | 2011-03-18 | 2015-10-14 | ヤンマー株式会社 | エンジン |
-
2012
- 2012-12-25 JP JP2012281650A patent/JP6075852B2/ja active Active
Also Published As
Publication number | Publication date |
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JP2014125915A (ja) | 2014-07-07 |
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