KR950032995A - 온도 활설 제올라이트 인-라인 흡착시스템 - Google Patents
온도 활설 제올라이트 인-라인 흡착시스템 Download PDFInfo
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- KR950032995A KR950032995A KR1019950010351A KR19950010351A KR950032995A KR 950032995 A KR950032995 A KR 950032995A KR 1019950010351 A KR1019950010351 A KR 1019950010351A KR 19950010351 A KR19950010351 A KR 19950010351A KR 950032995 A KR950032995 A KR 950032995A
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- Prior art keywords
- catalyst
- engine exhaust
- temperature
- molecular sieve
- exhaust gas
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- 229910021536 Zeolite Inorganic materials 0.000 title claims 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 title claims 3
- 239000010457 zeolite Substances 0.000 title claims 3
- 238000001179 sorption measurement Methods 0.000 title abstract 2
- 239000003054 catalyst Substances 0.000 claims abstract description 17
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical group [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract 13
- 229930195733 hydrocarbon Natural products 0.000 claims abstract 9
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract 9
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract 5
- 229910052751 metal Inorganic materials 0.000 claims abstract 2
- 239000002184 metal Substances 0.000 claims abstract 2
- 239000003463 adsorbent Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims 13
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims 4
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 claims 3
- 239000002808 molecular sieve Substances 0.000 claims 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 3
- 229910001868 water Inorganic materials 0.000 claims 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 2
- 229910002092 carbon dioxide Inorganic materials 0.000 claims 2
- 239000001569 carbon dioxide Substances 0.000 claims 2
- 239000000758 substrate Substances 0.000 claims 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 1
- 239000011230 binding agent Substances 0.000 claims 1
- 229910002091 carbon monoxide Inorganic materials 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000003795 desorption Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 claims 1
- 239000002002 slurry Substances 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 abstract 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/9454—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific device
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9481—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start
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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
- F01N13/009—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 having two or more separate purifying devices arranged in series
- F01N13/0097—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 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
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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
- F01N13/011—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 having two or more purifying devices arranged in parallel
- F01N13/017—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 having two or more purifying devices arranged in parallel the purifying devices are arranged in a single housing
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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
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
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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
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
- F01N3/0835—Hydrocarbons
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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
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
- F01N3/0878—Bypassing absorbents or adsorbents
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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
- F01N3/18—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 methods of operation; Control
- F01N3/20—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 methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2053—By-passing catalytic reactors, e.g. to prevent overheating
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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
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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
- F01N2250/00—Combinations of different methods of purification
- F01N2250/12—Combinations of different methods of purification absorption or adsorption, and catalytic conversion
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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
- 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
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- Chemical Kinetics & Catalysis (AREA)
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- Toxicology (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Exhaust Gas After Treatment (AREA)
- Catalysts (AREA)
Abstract
본 발명은 엔진 배기 시스템에 관한 것으로, 이는 촉매 변환장치가 이의 효과적인 작동 온도에 도달하기 전에 엔진 시동(냉각-스타트)동안 배출되는 탄화수소의 양을 감소시키기 위한 것이다. 상기 시스템은 흐름조절장치, 특히 이중-금속 날개를 포함하는데, 이는 제1온도에서 대부분의 배기가스를 탄화수소 흡착을 위해 분자체 구조물로 유도하는 제1위치를 위치하고, 제2온도에서는 엔진 배기가스가 분자체 구조물을 우회하여 라이트-오프 촉매에서 번-오프 촉매로 직접 유도하는 제2위치를 위치한다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 흡착제가 하우징의 절반을 차지하는 본 발명에 따른 일실시예로서; 또한 이중-금속성 날개의 상대적 위치를 나타내는 종단면도; 제3도는 주촉매 변환장치 또는 3원 촉매가 하우징의 다른 절반에 위치하는 제2도의 또다른 실시예의 종단면도; 제4도는 흡착제가 코어를 구비하는 허니컴 구조물이고;상기의 제1(닫힌)위치에서는 이중-금속성 날개가 실질적인 모든 배기가스를 흡착제로 통과시키도록 코어를 본 발명에 따른 다른 실시예의 단면도.
Claims (10)
- 라이트-오프 촉매, 상기 라이드-오프 촉매 하부의 하우징 및 상기 하우징 하의 번-오프 촉매를 포함하고, 상기 번-오프 촉매는 라이트-오프 온도를 가져서 탄화수소를 이산화탄소 및 물로 전화시키며, 상기 하우징은 입구 또는 상부말단 및 출구 또는 하부말단을 구비하면서 제1영역 및 제2영역을 포함하고, 상기 영역은 입구에서 출구말단까지 세로방향으로 연장된 분할벽에 의해 분리되며, 상기 영역중 하나는 그 내부에 배치된 제1온도 및 제2온도를 가지는 탄화수소를 흡착하기 위한 분자체 구조물을 구비하고, 상기 하우징의 상부말단에 고정 부착된 흐름조절장치는 분자체의 온도가 제1온도 미만일 때 제1위치에 위치하며, 상기 분자체가 제1온도일 때 제2위치에 위치하는 것을 특징으로 하는 탄화수소를 함유하는 엔진 배기가스용 엔진 배기시스템.
- 제1항에 있어서, 상기 제1온도가 80-100℃의 범위이고 또는 제2온도가 300-400℃의 범위인 것을 특징으로 하는 탄화수소를 함유하는 엔진 배기가스용 엔진 배기시스템.
- 제1항 또는 제2항에 있어서, 상기 흐름조절장치는 제1위치에서 실질적으로 모든 배기가스를 분자체 구조물로 유도하여 탄화수소를 흡착시킨 다음 번오프 촉매로 유도하고, 제2위치에서는 대부분의 배기가스를 열린 또는 자유-흐름 영역으로 유도하고, 소량의 배기가스를 분자체 구조물로 유도한 후, 번-오프 촉매로 유도하는 것을 특징으로 하는 탄화수소를 함유하는 엔진 배기가스용 엔진 배기시스템.
- 제1항, 제2항 또는 제3항에 있어서, 상기 흐름조절장치는 번오프 촉매가 실질적으로 부분의 배기가스를 번-오프 촉매로 유도하고, 소량의 배기가스를 분자체 구조물로 유도하는데, 이는 번-오프 촉매로 통과시키는 라이트-오프 온도에 도달한 후, 제2위치하고, 또한 온도에 민감한 이중-금속 날개를 포함하는 것임을 특징으로 하는 탄화수소를 함유하는 엔진 배기가스용 엔진 배기시스템.
- 제4항에 있어서, 상기 소량의 배기가스는 번-오프 촉매가 라이트-오프 온도에 도달할 때 상기 분자체 구조물이 탈착온도에 도달하기에 충분한 양이며, 선택적으로 상기 양은 총 배기가스의 5재지 50%의 범위임을 특징으로 하는 탄화수소를 함유하는 엔진 배기가스용 엔진 배기시스템.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 하우징은 일산화탄소, 물 및 Nox를 이산화탄소, 물 및 질소를 전환시키는 3원 촉매 또는 하우징의 제2영역에 배치된 다른 주촉매 전환장치를 더욱 포함하는 것을 특징으로 하는 탄화수소를 함유하는 엔진 배기가스용 엔진 배기시스템.
- 제1항 내지 제6항 중 어느 한 항에 있어서, 상기 분자체 구조물은 기판상에 지지된 제올라이트 및 바인더의 와쉬코트 슬러리를 포함하는 것을 특징으로 하는 탄화수소를 함유하는 엔진 배기가스용 엔진 배기시스템.
- 제7항에 있어서, 상기 기판 및/또는 분자체 구조물은 허니컴 구조물임을 특징으로 하는 탄화수소를 함유하는 엔진 배기가스용 엔진 배기시스템.
- 제1항 내지 제8항 중 어느 한 항에 있어서, 상기 흡착제는 촉매를 더욱 포함하는 것을 특징으로 하는 엔진 배기시스템.
- 제1항 내지 제9항 중 어느 한 항에 있어서, 상기 분자체 구조물은 ZSM-5, 베타, 초-안정 Y, 몰덴나이트 및 이들의 혼합물로부터 선택된 제올라이트임인 것을 특징으로 하는 탄화수소를 함유하는 엔진 배기가스용 엔진 배기시스템.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US08/234,680 US5582003A (en) | 1994-04-28 | 1994-04-28 | Temperature actuated zeolite in-line adsorber system |
US08/234,680 | 1994-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR950032995A true KR950032995A (ko) | 1995-12-22 |
Family
ID=22882360
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1019950010351A KR950032995A (ko) | 1994-04-28 | 1995-04-28 | 온도 활설 제올라이트 인-라인 흡착시스템 |
Country Status (5)
Country | Link |
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US (1) | US5582003A (ko) |
KR (1) | KR950032995A (ko) |
AU (1) | AU2246495A (ko) |
TW (1) | TW293866B (ko) |
WO (1) | WO1995030823A1 (ko) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19507977A1 (de) * | 1995-03-07 | 1996-09-12 | Schatz Thermo Gastech Gmbh | Verfahren und Anordnung zur Reduzierung der Abgasemissionen von Verbrennungsmotoren mit Abgaskatalysatoren |
JPH0949422A (ja) * | 1995-08-09 | 1997-02-18 | Denso Corp | 内燃機関の排出ガス浄化装置 |
FR2756008B1 (fr) * | 1996-11-19 | 1998-12-24 | Inst Francais Du Petrole | Systeme de procede de depollution de gaz d'echappement |
US5921079A (en) * | 1997-11-03 | 1999-07-13 | Harris International Sales Corporation | Emission control apparatus |
US6052989A (en) * | 1998-01-23 | 2000-04-25 | Ford Global Technologies, Inc. | Emission control system for internal combustion engines |
JP3557925B2 (ja) * | 1998-12-22 | 2004-08-25 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
DE10035760A1 (de) * | 2000-07-22 | 2002-01-31 | Daimler Chrysler Ag | Wärmetauscher für Abgas einer Brennkraftmaschine |
DE10042145A1 (de) * | 2000-08-26 | 2002-03-07 | Stihl Maschf Andreas | Abgasschalldämpfer für eine Brennkraftmaschine |
US20050193988A1 (en) * | 2004-03-05 | 2005-09-08 | David Bidner | System for controlling valve timing of an engine with cylinder deactivation |
US20040231323A1 (en) * | 2003-05-23 | 2004-11-25 | Fujita Mahoro M. | Exhaust system and process for operating the same |
US6913001B2 (en) | 2003-06-18 | 2005-07-05 | Visteon Global Technologies, Inc. | Hydrocarbon adsorbing device for adsorbing backflow of hydrocarbons from a vehicle engine |
FR2857753B1 (fr) | 2003-07-18 | 2006-05-05 | Millipore Corp | Appareil analyseur equipe de moyens de purification d'eau |
US7159387B2 (en) | 2004-03-05 | 2007-01-09 | Ford Global Technologies, Llc | Emission control device |
US7021046B2 (en) * | 2004-03-05 | 2006-04-04 | Ford Global Technologies, Llc | Engine system and method for efficient emission control device purging |
US6978204B2 (en) * | 2004-03-05 | 2005-12-20 | Ford Global Technologies, Llc | Engine system and method with cylinder deactivation |
US7367180B2 (en) * | 2004-03-05 | 2008-05-06 | Ford Global Technologies Llc | System and method for controlling valve timing of an engine with cylinder deactivation |
FR2874965B1 (fr) * | 2004-09-07 | 2006-11-24 | Renault Sas | Systeme de traitement des gaz d'echappement comportant un volet mobile |
US7168417B2 (en) * | 2005-04-08 | 2007-01-30 | Visteon Global Technologies, Inc. | Low airflow loss hydrocarbon trap |
KR100734899B1 (ko) | 2006-05-29 | 2007-07-03 | 한국기계연구원 | Hc흡착촉매를 갖는 디젤엔진용 후처리시스템 및후처리방법 |
US8091344B2 (en) * | 2006-06-13 | 2012-01-10 | Cummins Inc. | System for modifying exhaust gas flow through an aftertreatment device |
US7919052B2 (en) * | 2007-07-27 | 2011-04-05 | Silex Innovations Inc. | Securing catalyst element in catalytic converter with bolted bar |
US8448422B2 (en) * | 2007-11-12 | 2013-05-28 | Ford Global Technologies, Llc | Engine starting control for engine with hydrocarbon retaining system |
US7789070B2 (en) | 2008-03-27 | 2010-09-07 | Ford Global Technologies, Llc | In-line electro-mechanical modulating device to modulate fuel flow in fuel rails to reduce noise |
US20110041482A1 (en) * | 2009-08-20 | 2011-02-24 | Gm Global Technology Operations, Inc. | Method and apparatus for exhaust aftertreatment of an internal combustion engine |
US8935918B2 (en) * | 2010-04-23 | 2015-01-20 | GM Global Technology Operations LLC | Reconfigurable mixer for an exhaust aftertreatment system and method of using the same |
US9120077B2 (en) | 2010-10-01 | 2015-09-01 | Basf Corporation | Surface-coated zeolite materials for diesel oxidation applications |
DE102010056281A1 (de) * | 2010-12-24 | 2012-06-28 | Volkswagen Ag | Abgasanlage mit HC-Adsorber und parallelem Abgaskatalysator sowie Fahrzeug mit einer solchen Abgasanlage |
KR20120128938A (ko) * | 2011-05-18 | 2012-11-28 | 현대자동차주식회사 | 차량용 매연 필터 및 이를 포함하는 배기 장치 |
DE102011117090B4 (de) | 2011-10-27 | 2023-01-26 | Volkswagen Aktiengesellschaft | Abgasreinigungsvorrichtung |
SE537084C2 (sv) * | 2012-01-27 | 2014-12-30 | D E C Marine Ab | Ett avgasreningssystem och en anordning däri |
DE102012017178A1 (de) * | 2012-03-10 | 2013-09-12 | Volkswagen Aktiengesellschaft | Abgasreinigungsvorrichtung |
US9551254B2 (en) | 2015-03-20 | 2017-01-24 | Dcl International Inc. | Silencer and catalytic converter apparatus with adjustable blocking panel |
CN114308033A (zh) | 2015-06-29 | 2022-04-12 | 康宁股份有限公司 | 减少排放物的多孔陶瓷体 |
CN108368759A (zh) * | 2015-12-18 | 2018-08-03 | 大陆汽车有限责任公司 | 排气后处理系统和用于运行排气后处理系统的方法 |
MX2018010592A (es) * | 2016-03-02 | 2019-05-16 | Watlow Electric Mfg | Derivacion de flujo accionado por calentador. |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4196170A (en) * | 1978-05-26 | 1980-04-01 | Caterpillar Tractor Co. | Multistage catalytic reactor having a pressure responsive gas flow control valve therein |
US4625511A (en) * | 1984-08-13 | 1986-12-02 | Arvin Industries, Inc. | Exhaust processor |
DE8810816U1 (de) * | 1988-08-26 | 1989-12-21 | Emitec Gesellschaft für Emissionstechnologie mbH, 53797 Lohmar | Katalysator-Gehäuse, insbesondere für Startkatalysatoren, und zugehöriger Katalysator-Trägerkörper |
US5089236A (en) * | 1990-01-19 | 1992-02-18 | Cummmins Engine Company, Inc. | Variable geometry catalytic converter |
US5125231A (en) * | 1990-06-08 | 1992-06-30 | Corning Incorporated | Dual converter engine exhaust system for reducing hydrocarbon emissions |
US5051244A (en) * | 1990-07-20 | 1991-09-24 | Uop | Use of a molecular sieve bed to minimize emissions during cold start of internal combustion engines |
GB2254014A (en) * | 1991-03-27 | 1992-09-30 | Ford Motor Co | Fast warm-up catalytic converter |
JPH0559942A (ja) * | 1991-08-29 | 1993-03-09 | Toyota Motor Corp | コールドhc吸着除去装置 |
DE4236271C2 (de) * | 1991-10-28 | 1994-09-22 | Toyota Motor Co Ltd | Abgasemissionssteuervorrichtung unter Einsatz eines katalytischen Konverters mit einem Kohlenwasserstoffadsorptionsmittel |
US5373696A (en) * | 1993-10-04 | 1994-12-20 | Ford Motor Company | Automotive engine with exhaust hydrocarbon adsorber having oxygen sensor regeneration control |
-
1994
- 1994-04-28 US US08/234,680 patent/US5582003A/en not_active Expired - Fee Related
-
1995
- 1995-04-11 WO PCT/US1995/004483 patent/WO1995030823A1/en active Application Filing
- 1995-04-11 AU AU22464/95A patent/AU2246495A/en not_active Abandoned
- 1995-04-27 TW TW084104269A patent/TW293866B/zh active
- 1995-04-28 KR KR1019950010351A patent/KR950032995A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO1995030823A1 (en) | 1995-11-16 |
US5582003A (en) | 1996-12-10 |
TW293866B (ko) | 1996-12-21 |
AU2246495A (en) | 1995-11-29 |
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