JP6590035B2 - 排ガス浄化基体 - Google Patents
排ガス浄化基体 Download PDFInfo
- Publication number
- JP6590035B2 JP6590035B2 JP2018126176A JP2018126176A JP6590035B2 JP 6590035 B2 JP6590035 B2 JP 6590035B2 JP 2018126176 A JP2018126176 A JP 2018126176A JP 2018126176 A JP2018126176 A JP 2018126176A JP 6590035 B2 JP6590035 B2 JP 6590035B2
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- Prior art keywords
- channel
- exhaust
- exhaust gas
- gas purification
- substrate
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- Expired - Fee Related
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
- C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
- C04B35/195—Alkaline earth aluminosilicates, e.g. cordierite or anorthite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/0006—Honeycomb structures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
- F01N3/2825—Ceramics
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00793—Uses not provided for elsewhere in C04B2111/00 as filters or diaphragms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/06—Ceramic, e.g. monoliths
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/30—Honeycomb supports characterised by their structural details
- F01N2330/36—Honeycomb supports characterised by their structural details with flow channels formed by tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/60—Discontinuous, uneven properties of filter material, e.g. different material thickness along the longitudinal direction; Higher filter capacity upstream than downstream in same housing
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Manufacturing & Machinery (AREA)
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
Description
Claims (12)
- エンジンからの排気を受ける第1の端部(24)と、
排気が基体から流出する第2の端部(26)と、
前記第2の端部は、前記第1の端部と対向しており、及び
側壁(70A、70B、70C、70D、114)によって画定される複数のチャネル(60、62A、62B、110、112、120、130、132、140、142)と、を備え、
前記チャネルは、前記第1の端部と前記第2の端部との間に配置され、前記エンジンからの排気が排ガス浄化基体を通過するよう導き、
前記側壁は、排気が前記側壁を通過する際に、排気微粒子の濾過と排気の処理との少なくとも一方を行い、
前記複数のチャネルは、前記第1の端部近傍の流路断面積が、前記第2の端部近傍の流路断面積よりも大きい少なくとも1つの第1のチャネル(60、110、120、130、132、140、142)を含み、
前記複数のチャネルは、さらに、前記第1のチャネルに隣接する第2のチャネル(62A、62B、112)を含み、前記第2のチャネルは、当該第2のチャネルが前記第1の端部から離れ、前記第2の端部に向かって伸びるにつれて、外側に広がる1以上の側壁によって画定され、
前記第1のチャネルを画定する側壁は、前記第1のチャネルを前記第2のチャネルと流体連通させるために、前記側壁を貫通する細孔(90A、90B)を有し、この細孔を通じて、排気が前記第1のチャネルから前記第2のチャネルへ流入することを可能とし、
前記側壁は、排気が細孔を通じて流れる際に、排気の処理と、排気の微粒子の濾過との少なくとも一方を行い、
前記第1の端部近傍の細孔(90A)は、前記第2の端部近傍の細孔(90B)に比較して、互いにより近接して配置される排ガス浄化基体。 - 前記側壁は、前記第1の端部の近傍において、前記第2の端部に比較してより薄くなっている請求項1に記載の排ガス浄化基体。
- 前記第1の端部近傍の細孔(90A)は、前記第2の端部近傍の細孔(90B)に比較して、より大きな径を有する請求項1に記載の排ガス浄化基体。
- 前記側壁は、前記第2の端部近傍の第2細孔密度よりも高い、前記第1の端部近傍の第1細孔密度を有する請求項1に記載の排ガス浄化基体。
- 前記第2のチャネルは、前記第2の端部において開口する請求項1に記載の排ガス浄化基体。
- 前記第2のチャネルは、前記第1の端部から離れた位置から始まる請求項1に記載の排ガス浄化基体。
- 前記第2のチャネルは、前記第1の端部で塞がれる請求項1に記載の排ガス浄化基体。
- 前記第2のチャネルの側壁は、前記第2のチャネルが前記第1の端部から離れ、前記第2の端部に向かって伸びるにつれて、長手方向の軸から離れて外側に湾曲する請求項1に記載の排ガス浄化基体。
- 前記第1のチャネルは、前記第1の端部で開口し、前記第2の端部で閉じられており、
前記第2のチャネルは、前記第1の端部で閉じられ、前記第2の端部で開口している請求項1に記載の排ガス浄化基体。 - エンジンからの排気を受ける第1の端部(24)と、
排気が基体から流出する第2の端部(26)と、
前記第2の端部は、前記第1の端部と対向しており、及び
側壁(70A、70B、70C、70D、114)によって画定される複数のチャネル(60、62A、62B、110、112、120、130、132、140、142)と、を備え、
前記チャネルは、前記第1の端部と前記第2の端部との間に配置され、前記エンジンからの排気が排ガス浄化基体を通過するよう導き、
前記側壁は、排気が前記側壁を通過する際に、排気微粒子の濾過と排気の処理との少なくとも一方を行い、
前記複数のチャネルは、前記第1の端部近傍の流路断面積が、前記第2の端部近傍の流路断面積よりも大きい少なくとも1つの第1のチャネル(60、110、120、130、132、140、142)を含み、
前記排ガス浄化基体の高い圧力の領域に近接した前記第1のチャネルは、前記高い圧力の領域から遠位の前記第1のチャネルに比較して、前記第1の端部において、より小さい開口部を有する排ガス浄化基体。 - 前記高い圧力の領域は、前記排ガス浄化基体の長手方向の軸近傍にある請求項10に記載の排ガス浄化基体。
- エンジンからの排気を受ける第1の端部(24)と、
排気が基体から流出する第2の端部(26)と、
前記第2の端部は、前記第1の端部と対向しており、及び
側壁(70A、70B、70C、70D、114)によって画定される複数のチャネル(60、62A、62B、110、112、120、130、132、140、142)と、を備え、
前記チャネルは、前記第1の端部と前記第2の端部との間に配置され、前記エンジンからの排気が排ガス浄化基体を通過するよう導き、
前記側壁は、排気が前記側壁を通過する際に、排気微粒子の濾過と排気の処理との少なくとも一方を行い、
前記複数のチャネルは、前記第1の端部近傍の流路断面積が、前記第2の端部近傍の流路断面積よりも大きい少なくとも1つの第1のチャネル(60、110、120、130、132、140、142)を含み、
前記第1のチャネル(140、142)は、前記排ガス浄化基体の低い圧力の領域より
も高い圧力の領域において、長さがより長い排ガス浄化基体。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/641,834 | 2017-07-05 | ||
US15/641,834 US10494970B2 (en) | 2017-07-05 | 2017-07-05 | Emissions control substrate |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019015289A JP2019015289A (ja) | 2019-01-31 |
JP6590035B2 true JP6590035B2 (ja) | 2019-10-16 |
Family
ID=64903073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018126176A Expired - Fee Related JP6590035B2 (ja) | 2017-07-05 | 2018-07-02 | 排ガス浄化基体 |
Country Status (3)
Country | Link |
---|---|
US (1) | US10494970B2 (ja) |
JP (1) | JP6590035B2 (ja) |
CN (1) | CN109209591B (ja) |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0949421A (ja) * | 1995-05-30 | 1997-02-18 | Sumitomo Electric Ind Ltd | ディーゼルエンジン用パティキュレートトラップ |
JPH1182005A (ja) | 1997-09-09 | 1999-03-26 | Isuzu Motors Ltd | 触媒構造体とその製造方法 |
JP3872384B2 (ja) | 2002-06-13 | 2007-01-24 | トヨタ自動車株式会社 | 排ガス浄化フィルタ触媒 |
US7582270B2 (en) * | 2002-10-28 | 2009-09-01 | Geo2 Technologies, Inc. | Multi-functional substantially fibrous mullite filtration substrates and devices |
JP4394408B2 (ja) * | 2002-11-08 | 2010-01-06 | 日本碍子株式会社 | ハニカム構造体のセルを封止する方法及びハニカム封止体の製造方法 |
JP3945452B2 (ja) * | 2003-05-30 | 2007-07-18 | 株式会社デンソー | 排ガス浄化フィルタの製造方法 |
DE10337265A1 (de) | 2003-08-13 | 2005-03-10 | Emitec Emissionstechnologie | Rollnahtgeschweißter Körper zur Abgasbehandlung |
DE102004035311A1 (de) | 2004-07-21 | 2006-02-16 | Robert Bosch Gmbh | Verfahren zum Herstellen mindestens eines Bereichs einer Filterstruktur, insbesondere für einen Partikelfilter im Abgassystem einer Brennkraftmaschine |
JP4959998B2 (ja) | 2006-03-28 | 2012-06-27 | 京セラ株式会社 | パティキュレートフィルタの製造方法 |
JP5270879B2 (ja) | 2006-10-05 | 2013-08-21 | イビデン株式会社 | ハニカム構造体 |
CN201037433Y (zh) * | 2007-05-29 | 2008-03-19 | 广西玉柴机器股份有限公司 | 一种柴油机微粒捕捉器 |
US8361592B2 (en) | 2007-12-03 | 2013-01-29 | Ngk Insulators, Ltd. | Honeycomb structure, honeycomb catalytic body and manufacturing method of the same |
JP5523871B2 (ja) | 2009-03-24 | 2014-06-18 | 日本碍子株式会社 | ハニカムフィルタの製造方法 |
JP5560490B2 (ja) | 2009-08-06 | 2014-07-30 | Dowaエレクトロニクス株式会社 | ディーゼルエンジン用ウォールフローハニカム型パティキュレートフィルター |
US8591622B2 (en) * | 2010-10-29 | 2013-11-26 | Corning Incorporated | Filter apparatus with porous ceramic plates |
-
2017
- 2017-07-05 US US15/641,834 patent/US10494970B2/en not_active Expired - Fee Related
-
2018
- 2018-06-29 CN CN201810698850.1A patent/CN109209591B/zh not_active Expired - Fee Related
- 2018-07-02 JP JP2018126176A patent/JP6590035B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2019015289A (ja) | 2019-01-31 |
US10494970B2 (en) | 2019-12-03 |
CN109209591B (zh) | 2020-12-18 |
CN109209591A (zh) | 2019-01-15 |
US20190010842A1 (en) | 2019-01-10 |
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