JP4930796B2 - 排気ガス浄化装置及びディーゼルエンジン用排気管 - Google Patents
排気ガス浄化装置及びディーゼルエンジン用排気管 Download PDFInfo
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- JP4930796B2 JP4930796B2 JP2008099781A JP2008099781A JP4930796B2 JP 4930796 B2 JP4930796 B2 JP 4930796B2 JP 2008099781 A JP2008099781 A JP 2008099781A JP 2008099781 A JP2008099781 A JP 2008099781A JP 4930796 B2 JP4930796 B2 JP 4930796B2
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- exhaust gas
- exhaust
- gas purification
- additive
- flow path
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- 238000000746 purification Methods 0.000 title claims description 46
- 239000000654 additive Substances 0.000 claims description 65
- 230000000996 additive effect Effects 0.000 claims description 62
- 238000011144 upstream manufacturing Methods 0.000 claims description 11
- 239000007789 gas Substances 0.000 description 92
- 239000003054 catalyst Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- WTHDKMILWLGDKL-UHFFFAOYSA-N urea;hydrate Chemical compound O.NC(N)=O WTHDKMILWLGDKL-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
Images
Description
2 酸化触媒担体
3 DPF
4 排気ガス浄化体
5 ケーシング
6 排気流路
6a 軸
6b 内面
6c 中心面
7 添加剤供給手段
8,18,28,38,48,58,68,78 プレート(旋回流発生手段)
9,10,11,12,13,14,15,16 分割流路
Claims (2)
- 排気流路に排気ガス浄化体を備え、該排気ガス浄化体よりも上流側の前記排気流路に旋回流発生手段と添加剤供給手段を備える排気ガス浄化装置において、
単一のプレートからなる前記旋回流発生手段を、前記排気流路の軸に対し傾斜し、かつ、該軸を含んで前記排気流路の内面に架設することにより2つの分割流路を前記旋回流発生手段の両側に形成し、前記添加剤供給手段からの添加剤の供給方向を、前記排気流路の軸直交断面視において前記プレートの長手方向に対し直交させたことを特徴とする排気ガス浄化装置。 - 排気流路に排気ガス浄化体を備え、該排気ガス浄化体よりも上流側の前記排気流路に旋回流発生手段と添加剤供給手段を備え、単一のプレートからなる前記旋回流発生手段を、前記排気流路の軸に対し傾斜し、かつ、該軸を含んで前記排気流路の内面に架設することにより2つの分割流路を前記旋回流発生手段の両側に形成し、前記添加剤供給手段からの添加剤の供給方向を、前記排気流路の軸直交断面視において前記プレートの長手方向に対し直交させた排気ガス浄化装置を、排気管の途中に備えることを特徴とするディーゼルエンジン用排気管。
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JP2008099781A JP4930796B2 (ja) | 2008-03-10 | 2008-03-10 | 排気ガス浄化装置及びディーゼルエンジン用排気管 |
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JP2008099781A JP4930796B2 (ja) | 2008-03-10 | 2008-03-10 | 排気ガス浄化装置及びディーゼルエンジン用排気管 |
Publications (2)
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JP2009216074A JP2009216074A (ja) | 2009-09-24 |
JP4930796B2 true JP4930796B2 (ja) | 2012-05-16 |
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JP2008099781A Active JP4930796B2 (ja) | 2008-03-10 | 2008-03-10 | 排気ガス浄化装置及びディーゼルエンジン用排気管 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015130640A1 (en) * | 2014-02-28 | 2015-09-03 | Tenneco Automotive Operating Company Inc. | In-line flow diverter |
US9347355B2 (en) | 2011-09-08 | 2016-05-24 | Tenneco Automotive Operating Company Inc. | In-line flow diverter |
US9726063B2 (en) | 2011-09-08 | 2017-08-08 | Tenneco Automotive Operating Company Inc. | In-line flow diverter |
EP4306779A1 (en) * | 2022-07-13 | 2024-01-17 | Yanmar Holdings Co., Ltd. | Exhaust gas rectifier and exhaust gas purification system |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105283641B (zh) * | 2013-04-16 | 2019-01-18 | 佛吉亚排放控制技术美国有限公司 | 径向入口处的倾斜穿孔板 |
EP2865861B2 (de) † | 2013-10-22 | 2019-05-15 | Eberspächer Exhaust Technology GmbH & Co. KG | Kataylsatoranordnung mit Injektionsabschnitt |
EP3064725B1 (en) | 2013-10-28 | 2018-08-01 | Yanmar Co., Ltd. | Exhaust gas purification system and ship using same |
JP6228427B2 (ja) * | 2013-10-28 | 2017-11-08 | ヤンマー株式会社 | 船舶の排気ガス浄化システム |
JP6232257B2 (ja) * | 2013-10-28 | 2017-11-15 | ヤンマー株式会社 | 排気ガス浄化システム及びこれを備えた船舶 |
JP6846155B2 (ja) * | 2016-10-12 | 2021-03-24 | 東京濾器株式会社 | 旋回流発生装置 |
JP6846212B2 (ja) * | 2017-01-19 | 2021-03-24 | 東京濾器株式会社 | 旋回流発生装置 |
JP2018150851A (ja) * | 2017-03-10 | 2018-09-27 | いすゞ自動車株式会社 | エンジンの尿素scrシステム |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3409593B2 (ja) * | 1996-07-15 | 2003-05-26 | 株式会社明電舎 | 遮蔽板を備えた脱硝装置 |
JPH11166410A (ja) * | 1997-12-04 | 1999-06-22 | Hino Motors Ltd | 排ガス浄化装置 |
JP2007198316A (ja) * | 2006-01-27 | 2007-08-09 | Bosch Corp | 内燃機関の排気浄化装置及び排気浄化方法 |
JP4961847B2 (ja) * | 2006-06-12 | 2012-06-27 | いすゞ自動車株式会社 | 排気ガス浄化方法及び排気ガス浄化システム |
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2008
- 2008-03-10 JP JP2008099781A patent/JP4930796B2/ja active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9347355B2 (en) | 2011-09-08 | 2016-05-24 | Tenneco Automotive Operating Company Inc. | In-line flow diverter |
US9726063B2 (en) | 2011-09-08 | 2017-08-08 | Tenneco Automotive Operating Company Inc. | In-line flow diverter |
US10077702B2 (en) | 2011-09-08 | 2018-09-18 | Tenneco Automotive Operating Company Inc. | In-line flow diverter |
WO2015130640A1 (en) * | 2014-02-28 | 2015-09-03 | Tenneco Automotive Operating Company Inc. | In-line flow diverter |
EP4306779A1 (en) * | 2022-07-13 | 2024-01-17 | Yanmar Holdings Co., Ltd. | Exhaust gas rectifier and exhaust gas purification system |
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JP2009216074A (ja) | 2009-09-24 |
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