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KR920006614A - 내연기관이 배출하는 질소산화물을 모니터하는 방법 - Google Patents

내연기관이 배출하는 질소산화물을 모니터하는 방법 Download PDF

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Publication number
KR920006614A
KR920006614A KR1019910016650A KR910016650A KR920006614A KR 920006614 A KR920006614 A KR 920006614A KR 1019910016650 A KR1019910016650 A KR 1019910016650A KR 910016650 A KR910016650 A KR 910016650A KR 920006614 A KR920006614 A KR 920006614A
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KR
South Korea
Prior art keywords
engine
accelerometer
internal combustion
nitrogen oxides
nox
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.)
Withdrawn
Application number
KR1019910016650A
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English (en)
Inventor
마그네 쟝-루시
Original Assignee
미셸 달사세
에이.이.엠.티.피엘스틱
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Application filed by 미셸 달사세, 에이.이.엠.티.피엘스틱 filed Critical 미셸 달사세
Publication of KR920006614A publication Critical patent/KR920006614A/ko
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines
    • G01M15/04—Testing internal-combustion engines
    • G01M15/10—Testing internal-combustion engines by monitoring exhaust gases or combustion flame
    • G01M15/102—Testing internal-combustion engines by monitoring exhaust gases or combustion flame by monitoring exhaust gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/08—Safety, indicating, or supervising devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/146—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an NOx content or concentration
    • F02D41/1461—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an NOx content or concentration of the exhaust gases emitted by the engine
    • F02D41/1462—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an NOx content or concentration of the exhaust gases emitted by the engine with determination means using an estimation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
    • F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
    • F02D35/027—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions using knock sensors

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Testing Of Engines (AREA)
  • Exhaust Silencers (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

내용 없음

Description

내연기관이 배출하는 질소산화물을 모니터하는 방법.
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (9)

  1. 내연기관의 배기 가스내의 질소산화물(NOx)의 방사를 모니터하는 방법에 있어서, -모니터될 엔진과 유사한 제어 엔진의 연소실을 한정하는 부품중 하나에 가속도계를 설치하는 단계와, -제어 엔진의 배기가스내의 질소 산화물의 배출을 측정하기 위한 공지의 장치를 설치하는 단계와, -제어엔진의 전 작동 범위를 커버하도록 여러 부하와 여러 속도에서 제어 엔진을 작동시키는 단계와, -가속도계 신호와 관련된 데이터와 계산된 특성변수와 제어 엔진의 배기 가스내의 포함된 질소산화물(NOx)의 측정량과, 적어도 속도 및 부하 그리고 실린더 유입공기온도를 포함하는 엔진 작동특성 변수를 동시에 기록하는 단계와, -기록된 데이터를 기초로하여, 질소산화물의 측정량과 가속도계 신호의 특성변수 사이의 상호관계를 설정하는 단계와, -제어 엔진에서의 동일 조건하에서 모니터된 엔진에 가속도계를 설치하는 단계와, -가속도계 신호와 관련될 데이터와, 계산된 특성 변수와, 적어도 속도 및 부하 그리고 실린더 유입 공기 온도를 포함하는 엔진 작동 특성 변수를 작동시 모니터될 엔진에 동시에 기록하는 단계와-전 단계에서 기록되 에티어와 제어엔진을 위해 설정한 상관관계로부터 모니터될 엔진의 질소 산화물 배출치와 동등한 값을 설정하는 단계와 -적당하다면 질소산화물의 배출에 따른 설정된 값에 부합하도록 필요한 작동이 되도록 결정을 취하는 단계를 구비하는 것을 특징으로 하는 내연기관의 배기 가스내의 질소 산화물(NOx)의 배출을 모니터 하는 방법.
  2. 제1항에 있어서, 연소주기에 의해 한정되는 시간 윈도우내에 포함된 신호가 0 내지 50,000Hz의 주파수 범위를 위한 상기 가속도계 신호의 상기 특성변수를 계산하는 것을 특징으로 하는 내연기관의 배기 가스내의 질소산화물(NOx)의 배출을 모니터 하는 방법.
  3. 제1항에 있어서, 상기 특성변수를 상기 가속도계 신호의 동력 스펙트럼 또는 상기 동력을 나타내는 값을 계산하여 얻어지는 것을 특징으로 하는 내연기관의 배기 가스내의 질소 산화물(NOx)의 배출을 모니터 하는 방법.
  4. 제1항에 있어서, 상기 특성 변수를 피크 신호 진폭 값을 계산하여 얻어지는 것을 특징으로 하는 내연기관의 배기 가스내의 질소 산화물(NOx)의 배출을 모니터 하는 방법.
  5. 제1항에 있어서, 상기 특성 변수가 신호의 평균값 또는 rms 또는 이것의 엔벨로프 계산에 의해 얻어지는 것을 특징으로 하는 내연기관의 배기 가스내의 질소 산화물(NOx)의 배출을 모니터 하는 방법.
  6. 제1항에 있어서, 상기 특성 변수가 가속도계 신호의 에너지를 계산하여 얻어지는 것을 특징으로하는 내연기관의배기 가스내의 질소 산화물(NOx)의 배출을 모니터 하는 방법.
  7. 제1항에 있어서, 상기 설정치와 인치시키도록 하는 작동이 조기점화 또는 연료분사의 변경, 연소지지 공기온도의 변경 또는 정규동력의 조정인 것을 특징으로 하는 내연기관의 배기 가스내의 질소 산화물(NOx)의 배출을 모니터하는 방법.
  8. 제1항에 있어서, 상기 설정치와 일치시키도록 하는 작동이 연료의 성질의 수정인 것을 특징으로 하는 내연기관의 배기 가스내의 질소 산화물(NOx)의 배출을 모니터 하는 방법.
  9. 제8항에 있어서, 상기 연료의 성질에 대한 수정은 물의 분사에 의한 것을 특징으로하는 내연기관의 배기가스내의 질소 산화물(NOx)의 배출을 모니터 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910016650A 1990-09-26 1991-09-25 내연기관이 배출하는 질소산화물을 모니터하는 방법 Withdrawn KR920006614A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9011860A FR2667113B1 (fr) 1990-09-26 1990-09-26 Procede de surveillance de l'emission d'oxydes d'azote par un moteur a combustion interne.
FR9011860 1990-09-26

Publications (1)

Publication Number Publication Date
KR920006614A true KR920006614A (ko) 1992-04-27

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ID=9400663

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KR1019910016650A Withdrawn KR920006614A (ko) 1990-09-26 1991-09-25 내연기관이 배출하는 질소산화물을 모니터하는 방법

Country Status (6)

Country Link
US (1) US5150682A (ko)
EP (1) EP0477850A1 (ko)
JP (1) JPH04283644A (ko)
KR (1) KR920006614A (ko)
FI (1) FI914457L (ko)
FR (1) FR2667113B1 (ko)

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Also Published As

Publication number Publication date
JPH04283644A (ja) 1992-10-08
EP0477850A1 (fr) 1992-04-01
US5150682A (en) 1992-09-29
FR2667113A1 (fr) 1992-03-27
FI914457L (fi) 1992-03-27
FI914457A0 (fi) 1991-09-23
FR2667113B1 (fr) 1993-06-25

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