JP2017002767A - Egr装置 - Google Patents
Egr装置 Download PDFInfo
- Publication number
- JP2017002767A JP2017002767A JP2015115693A JP2015115693A JP2017002767A JP 2017002767 A JP2017002767 A JP 2017002767A JP 2015115693 A JP2015115693 A JP 2015115693A JP 2015115693 A JP2015115693 A JP 2015115693A JP 2017002767 A JP2017002767 A JP 2017002767A
- Authority
- JP
- Japan
- Prior art keywords
- egr
- passage
- cooler
- exhaust
- pipe
- 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
- 238000002485 combustion reaction Methods 0.000 claims abstract description 28
- 238000001816 cooling Methods 0.000 claims description 13
- 239000002826 coolant Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 239000000498 cooling water Substances 0.000 abstract description 10
- 239000007789 gas Substances 0.000 description 20
- 239000000446 fuel Substances 0.000 description 11
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003949 liquefied natural gas Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
Description
18 排気管
18a 排気通路
19 吸気管
19a 吸気通路
22 EGR管
22a EGR通路
23 EGR制御弁
24 EGRクーラー
25 弁体冷却器
27 合流端冷却器
28 ベローズ
L1,L2 通路長
Claims (1)
- 内燃機関の排気通路と吸気通路とに連通し、前記排気通路を流れる排気の一部を前記吸気通路へと導くためのEGR通路と、
このEGR通路に配される緩衝部材と、
前記EGR通路に配されて前記吸気通路へ導かれる排気の流量を調整するためのEGR制御弁と、
このEGR制御弁を冷却するための第1の冷却器と、
前記EGR制御弁よりも前記排気通路側のEGR通路に配されて前記排気通路から前記EGR通路に導かれる排気を冷却するための第2の冷却器と、
前記吸気通路との連通部分におけるEGR通路の領域を冷却するための第3の冷却器と
を具え、前記第1および第2および第3の冷却器にエンジン冷却水が通水されるEGR装置であって、
前記緩衝部材は、前記第1の冷却器と前記第2の冷却器との間のEGR通路および前記第1の冷却器と前記第3の冷却器との間のEGR通路のうち、通路長が短い方のEGR通路に配されていることを特徴とするEGR装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015115693A JP6380239B2 (ja) | 2015-06-08 | 2015-06-08 | Egr装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015115693A JP6380239B2 (ja) | 2015-06-08 | 2015-06-08 | Egr装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017002767A true JP2017002767A (ja) | 2017-01-05 |
JP6380239B2 JP6380239B2 (ja) | 2018-08-29 |
Family
ID=57752570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015115693A Expired - Fee Related JP6380239B2 (ja) | 2015-06-08 | 2015-06-08 | Egr装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6380239B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109915266A (zh) * | 2019-04-26 | 2019-06-21 | 上海海事大学 | 一种船用双燃料发动机燃烧系统和方法 |
JP7374409B2 (ja) | 2020-03-12 | 2023-11-07 | マツダ株式会社 | エンジンの冷却装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005098171A (ja) * | 2003-09-24 | 2005-04-14 | Mazda Motor Corp | エンジンの排気還流装置 |
JP2006200381A (ja) * | 2005-01-18 | 2006-08-03 | Isuzu Motors Ltd | Egr装置 |
JP2012506973A (ja) * | 2008-11-05 | 2012-03-22 | スカニア シーブイ アクチボラグ | 燃焼機関内の再循環排気ガスの冷却装置 |
JP2014185618A (ja) * | 2013-03-25 | 2014-10-02 | Toyota Motor Corp | 内燃機関の排気還流装置 |
-
2015
- 2015-06-08 JP JP2015115693A patent/JP6380239B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005098171A (ja) * | 2003-09-24 | 2005-04-14 | Mazda Motor Corp | エンジンの排気還流装置 |
JP2006200381A (ja) * | 2005-01-18 | 2006-08-03 | Isuzu Motors Ltd | Egr装置 |
JP2012506973A (ja) * | 2008-11-05 | 2012-03-22 | スカニア シーブイ アクチボラグ | 燃焼機関内の再循環排気ガスの冷却装置 |
JP2014185618A (ja) * | 2013-03-25 | 2014-10-02 | Toyota Motor Corp | 内燃機関の排気還流装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109915266A (zh) * | 2019-04-26 | 2019-06-21 | 上海海事大学 | 一种船用双燃料发动机燃烧系统和方法 |
JP7374409B2 (ja) | 2020-03-12 | 2023-11-07 | マツダ株式会社 | エンジンの冷却装置 |
Also Published As
Publication number | Publication date |
---|---|
JP6380239B2 (ja) | 2018-08-29 |
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