JP2019035340A - 排気ガス浄化システム - Google Patents
排気ガス浄化システム Download PDFInfo
- Publication number
- JP2019035340A JP2019035340A JP2017155461A JP2017155461A JP2019035340A JP 2019035340 A JP2019035340 A JP 2019035340A JP 2017155461 A JP2017155461 A JP 2017155461A JP 2017155461 A JP2017155461 A JP 2017155461A JP 2019035340 A JP2019035340 A JP 2019035340A
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- exhaust gas
- copper oxide
- exhaust
- scr
- 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.)
- Pending
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Classifications
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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
Abstract
Description
内燃機関から排出される排気ガスが通過する排気管と、
前記排気管内に設けられ、SCR触媒およびPGM触媒の少なくとも一方と、銅酸化物触媒とが混合または複層化された複合触媒を有する複合触媒装置と、
を備える。
10 内燃機関
11 燃焼室
13 燃料噴射インジェクタ
15 吸気バルブ
17 排気バルブ
19 ピストン
20 排気系
21 排気管
22 燃料供給部
23A DOC
23B DPF
23C SCR
23D ASC
23E 複合触媒
24 インジェクタ
26 温度センサ
27 濃度センサ
Claims (3)
- 内燃機関から排出される排気ガスが通過する排気管と、
前記排気管内に設けられ、SCR触媒およびPGM触媒の少なくとも一方と、銅酸化物触媒とが混合または複層化された複合触媒を有する複合触媒装置と、
を備える排気ガス浄化システム。 - 前記複合触媒は、前記PGM触媒と前記銅酸化物触媒とが混合または複層化され、
前記排気管のうち、前記排気ガスの通過方向における前記複合触媒装置の上流側に設けられた選択還元型触媒装置を備える、
請求項1に記載の排気ガス浄化システム。 - 前記PGM触媒の少なくとも一部に代えて金属酸化物触媒が使用される、
請求項2に記載の排気ガス浄化システム。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017155461A JP2019035340A (ja) | 2017-08-10 | 2017-08-10 | 排気ガス浄化システム |
Applications Claiming Priority (1)
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---|---|---|---|
JP2017155461A JP2019035340A (ja) | 2017-08-10 | 2017-08-10 | 排気ガス浄化システム |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2019035340A true JP2019035340A (ja) | 2019-03-07 |
Family
ID=65637220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2017155461A Pending JP2019035340A (ja) | 2017-08-10 | 2017-08-10 | 排気ガス浄化システム |
Country Status (1)
Country | Link |
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JP (1) | JP2019035340A (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160367974A1 (en) * | 2015-06-18 | 2016-12-22 | Johnson Matthey Public Limited Company | Exhaust System Without a DOC Having an ASC Acting as a DOC in a System with an SCR Catalyst Before the ASC |
JP2017518874A (ja) * | 2014-06-04 | 2017-07-13 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニーJohnson Matthey Public Limited Company | 非pgmアンモニアスリップ触媒 |
CN106944130A (zh) * | 2017-03-09 | 2017-07-14 | 无锡威孚环保催化剂有限公司 | 一种净化柴油机尾气的scr‑aoc组合催化剂及其制备方法 |
-
2017
- 2017-08-10 JP JP2017155461A patent/JP2019035340A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017518874A (ja) * | 2014-06-04 | 2017-07-13 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニーJohnson Matthey Public Limited Company | 非pgmアンモニアスリップ触媒 |
US20160367974A1 (en) * | 2015-06-18 | 2016-12-22 | Johnson Matthey Public Limited Company | Exhaust System Without a DOC Having an ASC Acting as a DOC in a System with an SCR Catalyst Before the ASC |
CN106944130A (zh) * | 2017-03-09 | 2017-07-14 | 无锡威孚环保催化剂有限公司 | 一种净化柴油机尾气的scr‑aoc组合催化剂及其制备方法 |
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