JP6475513B2 - エンジンシステム - Google Patents
エンジンシステム Download PDFInfo
- Publication number
- JP6475513B2 JP6475513B2 JP2015035020A JP2015035020A JP6475513B2 JP 6475513 B2 JP6475513 B2 JP 6475513B2 JP 2015035020 A JP2015035020 A JP 2015035020A JP 2015035020 A JP2015035020 A JP 2015035020A JP 6475513 B2 JP6475513 B2 JP 6475513B2
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- JP
- Japan
- Prior art keywords
- temperature
- exhaust
- combustion chamber
- path
- occlusion
- 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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- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 71
- 239000007789 gas Substances 0.000 claims description 65
- 238000002485 combustion reaction Methods 0.000 claims description 36
- 229910004013 NO 2 Inorganic materials 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 20
- 238000011144 upstream manufacturing Methods 0.000 claims description 14
- 238000010992 reflux Methods 0.000 claims description 13
- 239000003054 catalyst Substances 0.000 claims description 11
- 229910052783 alkali metal Inorganic materials 0.000 claims description 4
- 150000001340 alkali metals Chemical class 0.000 claims description 4
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 4
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 4
- 230000003134 recirculating effect Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 2
- 229910000510 noble metal Inorganic materials 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 description 9
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 6
- 239000000446 fuel Substances 0.000 description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 229910052700 potassium Inorganic materials 0.000 description 4
- 239000010948 rhodium Substances 0.000 description 4
- 230000001629 suppression Effects 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052792 caesium Inorganic materials 0.000 description 3
- 238000003795 desorption Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- -1 and Mg Inorganic materials 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000011232 storage material Substances 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
Landscapes
- Exhaust Gas After Treatment (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Description
上記実施形態では、排気ガス(EGRガス)の温度のみでNO2を吸蔵したり離脱させたりする吸蔵デバイス176を例に挙げて説明した。しかし、ヒータ等を用いて吸蔵デバイスの温度を変化させることでNO2を吸蔵したり離脱させたりすることもできる。
120、220 エンジン
130 燃焼室
132 吸気ポート
134 排気ポート
146 吸気路
162 排気路
166 三元触媒
170 還流路
172 EGRクーラ
176 吸蔵デバイス
Claims (4)
- 燃焼室を有するエンジンと、
前記燃焼室に吸気を導く吸気路と、
前記燃焼室から排出された排気ガスが導かれる排気路と、
前記排気路に設けられた三元触媒と、
前記排気路に連結され、前記排気ガスを前記吸気路に還流させる還流路と、
前記還流路に設けられ、前記排気ガスを冷却するEGRクーラと、
前記還流路における前記EGRクーラの上流に設けられ、NOxのうち、所定の窒素酸化物を選択的に吸蔵し、前記三元触媒より空孔率が高い吸蔵デバイスと、
を備えたことを特徴とするエンジンシステム。 - 前記所定の窒素酸化物は、NO2であることを特徴とする請求項1に記載のエンジンシステム。
- 前記吸蔵デバイスは、アルカリ金属、および、アルカリ土類金属のいずれか一方または双方を含んで構成される吸蔵材を有することを特徴とする請求項2に記載のエンジンシステム。
- 前記吸蔵材は、貴金属を含まないことを特徴とする請求項3に記載のエンジンシステム。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015035020A JP6475513B2 (ja) | 2015-02-25 | 2015-02-25 | エンジンシステム |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015035020A JP6475513B2 (ja) | 2015-02-25 | 2015-02-25 | エンジンシステム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016156328A JP2016156328A (ja) | 2016-09-01 |
JP6475513B2 true JP6475513B2 (ja) | 2019-02-27 |
Family
ID=56825305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015035020A Active JP6475513B2 (ja) | 2015-02-25 | 2015-02-25 | エンジンシステム |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6475513B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7135835B2 (ja) * | 2018-12-21 | 2022-09-13 | マツダ株式会社 | エンジンの燃焼制御装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04180819A (ja) * | 1990-11-15 | 1992-06-29 | Idemitsu Kosan Co Ltd | 窒素酸化物の接触分解方法 |
JP4107625B2 (ja) * | 1999-03-31 | 2008-06-25 | 東京瓦斯株式会社 | 内燃機関の排気再循環装置 |
JP2002339810A (ja) * | 2001-05-16 | 2002-11-27 | Mitsubishi Motors Corp | 排ガス還流装置 |
JP2006512534A (ja) * | 2002-10-05 | 2006-04-13 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニー | NOxトラップを備えてなるディーゼルエンジン用排気機構 |
-
2015
- 2015-02-25 JP JP2015035020A patent/JP6475513B2/ja active Active
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Publication number | Publication date |
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JP2016156328A (ja) | 2016-09-01 |
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