KR20030096889A - 가솔린 자동차의 피독물질 방지용 촉매 - Google Patents
가솔린 자동차의 피독물질 방지용 촉매 Download PDFInfo
- Publication number
- KR20030096889A KR20030096889A KR1020020033984A KR20020033984A KR20030096889A KR 20030096889 A KR20030096889 A KR 20030096889A KR 1020020033984 A KR1020020033984 A KR 1020020033984A KR 20020033984 A KR20020033984 A KR 20020033984A KR 20030096889 A KR20030096889 A KR 20030096889A
- Authority
- KR
- South Korea
- Prior art keywords
- catalyst
- exhaust gas
- dpf
- palladium
- poisonous substances
- 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.)
- Ceased
Links
Classifications
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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
- 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
- F01N3/02—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
- F01N3/033—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 in combination with other devices
- F01N3/035—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 in combination with other devices with 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series
-
- 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
- F01N2370/00—Selection of materials for exhaust purification
- F01N2370/02—Selection of materials for exhaust purification used in 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
- F01N2510/00—Surface coverings
- F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
Claims (2)
- 자동차용 삼원 촉매 컨버터에 있어서,서로 다른 성분구성으로 이루어진 다수개의 촉매계가 일렬로 배치된 형태로 촉매의 컨버터(10)를 구성하되, 배기가스 도입부에 위치한 첫번째 촉매계는 귀금속(백금(pt))을 담지한 워시코트를 코팅한 DPF(Diesel Particulate Filter)촉매(11)를, 두번째 촉매계와 배기가스 배출부에 위치한 세번째 촉매계는 각각 LOT(Light-Off Temperature)성능이 우수한 팔라듐(Pd)촉매(12)와, 삼원활성이 우수한 팔라듐(Pd) 및 로듐(Rh) 혼합촉매(13)로 구성된 것을 특징으로 하는 가솔린 자동차의 피독물질 방지용 촉매.
- 제 1항에 있어서, 상기 DPF 촉매(11)의 구조는 수평방향으로 연장하는 격자무늬 형태의 직선 유로(11b)의 한쪽이 배기가스 도입부측에서 차단막(11c)에 의해 폐쇄되고, 다른쪽은 배기가스 배출부측에서 차단막(11c)에 의해 폐쇄되는 바, 인접하는 두개의 직선 유로(11b)의 한쪽은 배기가스의 유입 통로이고, 다른쪽은 유출 통로인 촉매 벽(11a)이 구비된 것을 특징으로 하는 가솔린 자동차의 피독물질 방지용 촉매.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020020033984A KR20030096889A (ko) | 2002-06-18 | 2002-06-18 | 가솔린 자동차의 피독물질 방지용 촉매 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020020033984A KR20030096889A (ko) | 2002-06-18 | 2002-06-18 | 가솔린 자동차의 피독물질 방지용 촉매 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20030096889A true KR20030096889A (ko) | 2003-12-31 |
Family
ID=32387479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020020033984A Ceased KR20030096889A (ko) | 2002-06-18 | 2002-06-18 | 가솔린 자동차의 피독물질 방지용 촉매 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20030096889A (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100756025B1 (ko) * | 2006-08-28 | 2007-09-07 | 희성엥겔하드주식회사 | 내연기관 배기가스 정화용 삼중층 촉매시스템 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62114619A (ja) * | 1985-11-12 | 1987-05-26 | Cataler Kogyo Kk | パテイキユレ−ト除去用触媒フイルタ |
| JPH07332073A (ja) * | 1994-06-08 | 1995-12-19 | Mazda Motor Corp | 排気ガス浄化装置 |
| JPH09225265A (ja) * | 1996-02-23 | 1997-09-02 | Nissan Motor Co Ltd | 排気ガス浄化装置 |
| JP2002136842A (ja) * | 2000-11-06 | 2002-05-14 | Isuzu Ceramics Res Inst Co Ltd | 排気ガス浄化装置 |
| KR20020043091A (ko) * | 2000-12-01 | 2002-06-08 | 이계안 | 금속 담체를 이용한 ccc 구조 |
-
2002
- 2002-06-18 KR KR1020020033984A patent/KR20030096889A/ko not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62114619A (ja) * | 1985-11-12 | 1987-05-26 | Cataler Kogyo Kk | パテイキユレ−ト除去用触媒フイルタ |
| JPH07332073A (ja) * | 1994-06-08 | 1995-12-19 | Mazda Motor Corp | 排気ガス浄化装置 |
| JPH09225265A (ja) * | 1996-02-23 | 1997-09-02 | Nissan Motor Co Ltd | 排気ガス浄化装置 |
| JP2002136842A (ja) * | 2000-11-06 | 2002-05-14 | Isuzu Ceramics Res Inst Co Ltd | 排気ガス浄化装置 |
| KR20020043091A (ko) * | 2000-12-01 | 2002-06-08 | 이계안 | 금속 담체를 이용한 ccc 구조 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100756025B1 (ko) * | 2006-08-28 | 2007-09-07 | 희성엥겔하드주식회사 | 내연기관 배기가스 정화용 삼중층 촉매시스템 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20020618 |
|
| PA0201 | Request for examination | ||
| PG1501 | Laying open of application | ||
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20040917 Patent event code: PE09021S01D |
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| E601 | Decision to refuse application | ||
| PE0601 | Decision on rejection of patent |
Patent event date: 20050524 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20040917 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |