KR100721244B1 - 자동차의 배기 가스 정화 방법 - Google Patents
자동차의 배기 가스 정화 방법 Download PDFInfo
- Publication number
- KR100721244B1 KR100721244B1 KR1020050125305A KR20050125305A KR100721244B1 KR 100721244 B1 KR100721244 B1 KR 100721244B1 KR 1020050125305 A KR1020050125305 A KR 1020050125305A KR 20050125305 A KR20050125305 A KR 20050125305A KR 100721244 B1 KR100721244 B1 KR 100721244B1
- Authority
- KR
- South Korea
- Prior art keywords
- predetermined value
- information
- exhaust gas
- equal
- received
- Prior art date
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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
- F01N3/18—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
- F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or 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
- F01N9/00—Electrical control of exhaust gas treating apparatus
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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
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
- F01N2560/025—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting O2, e.g. lambda sensors
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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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/04—Methods of control or diagnosing
- F01N2900/0416—Methods of control or diagnosing using the state of a sensor, e.g. of an exhaust gas sensor
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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
- Y02T10/40—Engine management systems
Abstract
Description
Claims (1)
- 촉매를 통해 유해한 배기 가스를 무해한 배기 가스로 전환시켜 대기 중으로 배출하는 자동차의 배기 가스 정화 방법에 있어서,a) 주행 중 외부로부터 공급되는 냉각수 온도 정보, 공기량 정보, 점화 시기 정보, 및 차속 정보를 수신하는 단계;b) 수신된 냉각수 온도 정보가 미리 설정된 제1 소정치와 비교하여 냉각수 온도 정보가 제1 소정치 이상인 경우 수신된 공기량 정보를 미리 설정된 제2 소정치와 비교한 후 공기량 정보가 상기 제2 소정치 이상인 경우 수신된 점화 시기 정보를 미리 설정된 제3 소정치와 비교하는 단계;c) 상기 점화 시기 정보의 제3 소정치의 비교 결과 상기 점화 시기 정보가 제3 소정치 이하인 경우 촉매 온도가 기 설정된 임계치 이상으로 가열을 방지하기 위해 추가 연료 분사를 실행하여 단계;d) 상기 수신된 공기량 정보가 제2 소정치 이하이고 상기 수신된 점화 시기 정보가 상기 제3 소정치 이상인 경우 수신된 차속 정보를 미리 설정된 제4 소정치와 비교하는 단계; 및e) 상기 차속 정보와 미리 설정된 제4 소정치의 비교 결과 상기 차속 정보가 상기 제4 소정치 이상인 경우 상기 c) 단계로 진행하여 상기 추가 연료 분사를 실행하는 단계를 포함하는 것을 특징으로 하는 자동차의 배기 가스 정화 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050125305A KR100721244B1 (ko) | 2005-12-19 | 2005-12-19 | 자동차의 배기 가스 정화 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020050125305A KR100721244B1 (ko) | 2005-12-19 | 2005-12-19 | 자동차의 배기 가스 정화 방법 |
Publications (1)
Publication Number | Publication Date |
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KR100721244B1 true KR100721244B1 (ko) | 2007-05-22 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020050125305A KR100721244B1 (ko) | 2005-12-19 | 2005-12-19 | 자동차의 배기 가스 정화 방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100721244B1 (ko) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990012654A (ko) * | 1997-07-30 | 1999-02-25 | 박병재 | 배기가스 온도 추정방법 |
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2005
- 2005-12-19 KR KR1020050125305A patent/KR100721244B1/ko active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990012654A (ko) * | 1997-07-30 | 1999-02-25 | 박병재 | 배기가스 온도 추정방법 |
Non-Patent Citations (1)
Title |
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공개특허번호 10-1999-0012654 |
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