JP2016194258A5 - - Google Patents
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- JP2016194258A5 JP2016194258A5 JP2015073760A JP2015073760A JP2016194258A5 JP 2016194258 A5 JP2016194258 A5 JP 2016194258A5 JP 2015073760 A JP2015073760 A JP 2015073760A JP 2015073760 A JP2015073760 A JP 2015073760A JP 2016194258 A5 JP2016194258 A5 JP 2016194258A5
- Authority
- JP
- Japan
- Prior art keywords
- egr
- purge
- exhaust gas
- line
- recirculation line
- 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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- 238000010926 purge Methods 0.000 claims 49
- 239000007789 gas Substances 0.000 claims 35
- 238000007599 discharging Methods 0.000 claims 5
- 231100000078 corrosive Toxicity 0.000 claims 4
- 231100001010 corrosive Toxicity 0.000 claims 4
- 239000000567 combustion gas Substances 0.000 claims 3
- 230000003134 recirculating Effects 0.000 claims 3
- 230000002000 scavenging Effects 0.000 claims 2
- 229960001716 benzalkonium Drugs 0.000 claims 1
- CYDRXTMLKJDRQH-UHFFFAOYSA-N benzyl-dodecyl-dimethylazanium Chemical compound CCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 CYDRXTMLKJDRQH-UHFFFAOYSA-N 0.000 claims 1
Claims (15)
前記排ガス再循環ラインに設けられるＥＧＲ入口バルブと、
前記排ガス再循環ラインにおける前記ＥＧＲ入口バルブより下流側に設けられるＥＧＲブロワと、
前記排ガス再循環ラインにパージガスを供給して残留する腐食成分を排出するパージ装置と、
ＥＧＲ運転中及び前記パージ装置の作動中に前記ＥＧＲブロワを作動する制御装置と、
を備えることを特徴とするＥＧＲシステム。 An exhaust gas recirculation line for recirculating a part of the exhaust gas discharged from the engine to the engine as a part of the combustion gas;
An EGR inlet valve provided in the exhaust gas recirculation line;
An EGR blower provided downstream of the EGR inlet valve in the exhaust gas recirculation line;
A purge device for supplying a purge gas to the exhaust gas recirculation line and discharging residual corrosive components;
A controller for operating the EGR blower during EGR operation and during operation of the purge device;
An EGR system comprising:
前記排ガス再循環ラインに設けられるＥＧＲ入口バルブと、 An EGR inlet valve provided in the exhaust gas recirculation line;
前記排ガス再循環ラインにおける前記ＥＧＲ入口バルブより下流側に設けられるスクラバと、 A scrubber provided downstream of the EGR inlet valve in the exhaust gas recirculation line;
前記排ガス再循環ラインにおける前記スクラバより下流側に設けられるＥＧＲブロワと、 An EGR blower provided downstream of the scrubber in the exhaust gas recirculation line;
前記排ガス再循環ラインにおける前記ＥＧＲブロワより下流側に設けられるＥＧＲ出口バルブと、 An EGR outlet valve provided downstream of the EGR blower in the exhaust gas recirculation line;
前記エンジンに供給される掃気の一部をパージガスとして前記排ガス再循環ラインにおける前記ＥＧＲ入口バルブと前記スクラバとの間に供給するパージガス供給ラインと、 A purge gas supply line for supplying a part of the scavenging gas supplied to the engine as a purge gas between the EGR inlet valve and the scrubber in the exhaust gas recirculation line;
前記パージガス供給ラインを開閉するパージバルブと、 A purge valve for opening and closing the purge gas supply line;
前記排ガス再循環ラインにおける前記ＥＧＲブロワと前記ＥＧＲ出口バルブとの間に連結されて前記パージガス供給ラインからのパージガスを排気ラインに排出するパージガス排出ラインと、 A purge gas discharge line connected between the EGR blower and the EGR outlet valve in the exhaust gas recirculation line to discharge the purge gas from the purge gas supply line to the exhaust line;
前記ＥＧＲブロワを駆動したままで前記ＥＧＲ入口バルブを閉止して前記パージバルブを開放すると共に前記ＥＧＲ出口バルブを閉止することで前記排ガス再循環ラインに残留する腐食成分を排出させる制御装置と、 A controller for discharging the corrosive components remaining in the exhaust gas recirculation line by closing the EGR inlet valve to open the purge valve and closing the EGR outlet valve while driving the EGR blower;
を備えることを特徴とするＥＧＲシステム。 An EGR system comprising:
前記排ガス再循環ラインに設けられるＥＧＲ入口バルブと、 An EGR inlet valve provided in the exhaust gas recirculation line;
前記排ガス再循環ラインにおける前記ＥＧＲ入口バルブより下流側に設けられるＥＧＲブロワと、 An EGR blower provided downstream of the EGR inlet valve in the exhaust gas recirculation line;
前記排ガス再循環ラインにパージガスを供給して残留する腐食成分を排出するパージ装置と、 A purge device for supplying a purge gas to the exhaust gas recirculation line and discharging residual corrosive components;
を備えるＥＧＲシステムにおいて、 In an EGR system comprising:
ＥＧＲ運転中に停止信号が入力されると、前記ＥＧＲブロワを駆動したままで前記ＥＧＲ入口バルブを閉止し、前記パージ装置を作動する、 When a stop signal is input during EGR operation, the EGR inlet valve is closed while the EGR blower is driven, and the purge device is operated.
ことを特徴とするＥＧＲシステムの制御方法。 An EGR system control method characterized by the above.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015073760A JP6171235B2 (en) | 2015-03-31 | 2015-03-31 | EGR system |
| CN201680019557.7A CN107429638B (en) | 2015-03-31 | 2016-03-22 | EGR system |
| PCT/JP2016/059015 WO2016158570A1 (en) | 2015-03-31 | 2016-03-22 | Egr system |
| KR1020177027214A KR101999909B1 (en) | 2015-03-31 | 2016-03-22 | Egr system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015073760A JP6171235B2 (en) | 2015-03-31 | 2015-03-31 | EGR system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2016194258A JP2016194258A (en) | 2016-11-17 |
| JP2016194258A5 true JP2016194258A5 (en) | 2016-12-28 |
| JP6171235B2 JP6171235B2 (en) | 2017-08-02 |
Family
ID=57005010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015073760A Active JP6171235B2 (en) | 2015-03-31 | 2015-03-31 | EGR system |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6171235B2 (en) |
| KR (1) | KR101999909B1 (en) |
| CN (1) | CN107429638B (en) |
| WO (1) | WO2016158570A1 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6842284B2 (en) * | 2016-11-30 | 2021-03-17 | 三菱重工業株式会社 | Marine diesel engine |
| JP7129755B2 (en) * | 2016-11-30 | 2022-09-02 | 三菱重工業株式会社 | marine diesel engine |
| KR102297868B1 (en) * | 2017-03-14 | 2021-09-03 | 대우조선해양 주식회사 | Integrated exhaust gas scrubbing system |
| JP7137413B2 (en) * | 2018-09-18 | 2022-09-14 | 株式会社Subaru | EGR system purification device |
| CN112483285B (en) * | 2020-11-27 | 2024-04-05 | 中船动力研究院有限公司 | Oxygen concentration monitoring method, device, equipment and storage medium |
| 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 |
| CN115355115A (en) * | 2022-08-24 | 2022-11-18 | 中船动力研究院有限公司 | Engine with oxygen concentration control system |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06221228A (en) * | 1993-01-28 | 1994-08-09 | Mazda Motor Corp | Exhaust gas reflux device for engine with supercharger |
| JPH0882257A (en) * | 1994-09-14 | 1996-03-26 | Ngk Insulators Ltd | Exhaust gas recirculating device for internal combustion engine |
| JP4792997B2 (en) * | 2006-01-27 | 2011-10-12 | トヨタ自動車株式会社 | Exhaust gas purification system for internal combustion engine |
| US7870718B2 (en) * | 2007-11-14 | 2011-01-18 | General Electric Company | Purge system for an exhaust gas recirculation system |
| US7874141B2 (en) * | 2007-11-16 | 2011-01-25 | General Electric Company | Auxiliary fluid source for an EGR purge system |
| JP2010071193A (en) * | 2008-09-18 | 2010-04-02 | Toyota Motor Corp | Pressure storage device |
| US8250865B2 (en) * | 2008-11-05 | 2012-08-28 | Ford Global Technologies, Llc | Using compressed intake air to clean engine exhaust gas recirculation cooler |
| JP5539461B2 (en) | 2012-08-03 | 2014-07-02 | 日立造船株式会社 | Exhaust gas denitration equipment for reciprocating engines |
| JP5893549B2 (en) * | 2012-12-20 | 2016-03-23 | 川崎重工業株式会社 | EGR device and engine system |
| JP6309190B2 (en) * | 2012-12-28 | 2018-04-11 | 三菱重工業株式会社 | Internal combustion engine, ship and method of operating internal combustion engine |
-
2015
- 2015-03-31 JP JP2015073760A patent/JP6171235B2/en active Active
-
2016
- 2016-03-22 WO PCT/JP2016/059015 patent/WO2016158570A1/en active Application Filing
- 2016-03-22 KR KR1020177027214A patent/KR101999909B1/en active IP Right Grant
- 2016-03-22 CN CN201680019557.7A patent/CN107429638B/en active Active
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