KR101999909B1 - Egr 시스템 - Google Patents
Egr 시스템 Download PDFInfo
- Publication number
- KR101999909B1 KR101999909B1 KR1020177027214A KR20177027214A KR101999909B1 KR 101999909 B1 KR101999909 B1 KR 101999909B1 KR 1020177027214 A KR1020177027214 A KR 1020177027214A KR 20177027214 A KR20177027214 A KR 20177027214A KR 101999909 B1 KR101999909 B1 KR 101999909B1
- Authority
- KR
- South Korea
- Prior art keywords
- purge
- exhaust gas
- egr
- line
- gas recirculation
- 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
Links
- 239000007789 gas Substances 0.000 claims abstract description 612
- 238000010926 purge Methods 0.000 claims abstract description 420
- 230000007797 corrosion Effects 0.000 claims abstract description 48
- 238000005260 corrosion Methods 0.000 claims abstract description 48
- 239000000567 combustion gas Substances 0.000 claims abstract description 21
- 238000007599 discharging Methods 0.000 claims abstract description 15
- 230000003134 recirculating effect Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 26
- 239000000126 substance Substances 0.000 description 21
- 230000002000 scavenging effect Effects 0.000 description 13
- 238000002485 combustion reaction Methods 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 230000001105 regulatory effect Effects 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000003657 drainage water Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/36—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with means for adding fluids other than exhaust gas to the recirculation passage; with reformers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/50—Arrangements or methods for preventing or reducing deposits, corrosion or wear caused by impurities
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015073760A JP6171235B2 (ja) | 2015-03-31 | 2015-03-31 | Egrシステム |
JPJP-P-2015-073760 | 2015-03-31 | ||
PCT/JP2016/059015 WO2016158570A1 (ja) | 2015-03-31 | 2016-03-22 | Egrシステム |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20170122233A KR20170122233A (ko) | 2017-11-03 |
KR101999909B1 true KR101999909B1 (ko) | 2019-07-12 |
Family
ID=57005010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020177027214A Active KR101999909B1 (ko) | 2015-03-31 | 2016-03-22 | Egr 시스템 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP6171235B2 (enrdf_load_stackoverflow) |
KR (1) | KR101999909B1 (enrdf_load_stackoverflow) |
CN (1) | CN107429638B (enrdf_load_stackoverflow) |
WO (1) | WO2016158570A1 (enrdf_load_stackoverflow) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11536213B2 (en) | 2021-05-19 | 2022-12-27 | Deere & Company | Engine system with electrified air system components for managing emissions of nitrogen oxides in a work vehicle |
US11572824B2 (en) | 2021-05-13 | 2023-02-07 | Deere & Company | Electrified engine boost components for mitigating engine stalling in a work vehicle |
US11572673B2 (en) | 2021-06-25 | 2023-02-07 | Deere & Company | Work vehicle power system with decoupled engine air system components |
US11591992B2 (en) | 2021-05-05 | 2023-02-28 | Deere & Company | Engine system with air pump for enhanced turbocharger air exchange |
US11846257B2 (en) | 2021-05-03 | 2023-12-19 | Deere & Company | Engine system with reversible exhaust gas recirculation pump for controlling bypass flow |
US11939929B2 (en) | 2021-08-19 | 2024-03-26 | Deere &Company | Engine electrified air system including electric turbocharger and exhaust gas recirculation pump |
US12123379B2 (en) | 2022-03-28 | 2024-10-22 | Deere & Company | Dual core exhaust gas recirculation cooler |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7129755B2 (ja) * | 2016-11-30 | 2022-09-02 | 三菱重工業株式会社 | 舶用ディーゼルエンジン |
JP6842284B2 (ja) * | 2016-11-30 | 2021-03-17 | 三菱重工業株式会社 | 舶用ディーゼルエンジン |
KR102297868B1 (ko) * | 2017-03-14 | 2021-09-03 | 대우조선해양 주식회사 | 통합 배기가스 스크러빙 시스템 |
JP7137413B2 (ja) * | 2018-09-18 | 2022-09-14 | 株式会社Subaru | Egrシステム浄化装置 |
CN112483285B (zh) * | 2020-11-27 | 2024-04-05 | 中船动力研究院有限公司 | 一种氧浓度监控方法、装置、设备及存储介质 |
CN115355115A (zh) * | 2022-08-24 | 2022-11-18 | 中船动力研究院有限公司 | 具有氧浓度控制系统的发动机 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009121476A (ja) * | 2007-11-14 | 2009-06-04 | General Electric Co <Ge> | 排気ガス再循環システム用のパージシステム |
JP2014122575A (ja) * | 2012-12-20 | 2014-07-03 | Kawasaki Heavy Ind Ltd | Egr装置及びエンジンシステム |
JP2014129790A (ja) * | 2012-12-28 | 2014-07-10 | Mitsubishi Heavy Ind Ltd | 内燃機関および船舶ならびに内燃機関の運転方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06221228A (ja) * | 1993-01-28 | 1994-08-09 | Mazda Motor Corp | 過給機付エンジンの排気ガス還流装置 |
JPH0882257A (ja) * | 1994-09-14 | 1996-03-26 | Ngk Insulators Ltd | 内燃機関の排気ガス再循環装置 |
JP4792997B2 (ja) * | 2006-01-27 | 2011-10-12 | トヨタ自動車株式会社 | 内燃機関の排気浄化システム |
US7874141B2 (en) * | 2007-11-16 | 2011-01-25 | General Electric Company | Auxiliary fluid source for an EGR purge system |
JP2010071193A (ja) * | 2008-09-18 | 2010-04-02 | Toyota Motor Corp | 蓄圧装置 |
US8250865B2 (en) * | 2008-11-05 | 2012-08-28 | Ford Global Technologies, Llc | Using compressed intake air to clean engine exhaust gas recirculation cooler |
JP5539461B2 (ja) | 2012-08-03 | 2014-07-02 | 日立造船株式会社 | レシプロエンジン用排ガス脱硝設備 |
-
2015
- 2015-03-31 JP JP2015073760A patent/JP6171235B2/ja active Active
-
2016
- 2016-03-22 KR KR1020177027214A patent/KR101999909B1/ko active Active
- 2016-03-22 WO PCT/JP2016/059015 patent/WO2016158570A1/ja active Application Filing
- 2016-03-22 CN CN201680019557.7A patent/CN107429638B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009121476A (ja) * | 2007-11-14 | 2009-06-04 | General Electric Co <Ge> | 排気ガス再循環システム用のパージシステム |
JP2014122575A (ja) * | 2012-12-20 | 2014-07-03 | Kawasaki Heavy Ind Ltd | Egr装置及びエンジンシステム |
JP2014129790A (ja) * | 2012-12-28 | 2014-07-10 | Mitsubishi Heavy Ind Ltd | 内燃機関および船舶ならびに内燃機関の運転方法 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11846257B2 (en) | 2021-05-03 | 2023-12-19 | Deere & Company | Engine system with reversible exhaust gas recirculation pump for controlling bypass flow |
US11591992B2 (en) | 2021-05-05 | 2023-02-28 | Deere & Company | Engine system with air pump for enhanced turbocharger air exchange |
US11572824B2 (en) | 2021-05-13 | 2023-02-07 | Deere & Company | Electrified engine boost components for mitigating engine stalling in a work vehicle |
US11536213B2 (en) | 2021-05-19 | 2022-12-27 | Deere & Company | Engine system with electrified air system components for managing emissions of nitrogen oxides in a work vehicle |
US11572673B2 (en) | 2021-06-25 | 2023-02-07 | Deere & Company | Work vehicle power system with decoupled engine air system components |
US11939929B2 (en) | 2021-08-19 | 2024-03-26 | Deere &Company | Engine electrified air system including electric turbocharger and exhaust gas recirculation pump |
US12123379B2 (en) | 2022-03-28 | 2024-10-22 | Deere & Company | Dual core exhaust gas recirculation cooler |
Also Published As
Publication number | Publication date |
---|---|
KR20170122233A (ko) | 2017-11-03 |
CN107429638B (zh) | 2020-06-30 |
CN107429638A (zh) | 2017-12-01 |
WO2016158570A1 (ja) | 2016-10-06 |
JP6171235B2 (ja) | 2017-08-02 |
JP2016194258A (ja) | 2016-11-17 |
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Legal Events
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A201 | Request for examination | ||
PA0105 | International application |
Patent event date: 20170926 Patent event code: PA01051R01D Comment text: International Patent Application |
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PA0201 | Request for examination | ||
PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20181207 Patent event code: PE09021S01D |
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E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20190220 Patent event code: PE09021S01D |
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E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20190601 |
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GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20190708 Patent event code: PR07011E01D |
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PR1002 | Payment of registration fee |
Payment date: 20190708 End annual number: 3 Start annual number: 1 |
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