KR890010408A - Air-fuel ratio detection device of internal combustion engine - Google Patents

Air-fuel ratio detection device of internal combustion engine Download PDF

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Publication number
KR890010408A
KR890010408A KR1019880014893A KR880014893A KR890010408A KR 890010408 A KR890010408 A KR 890010408A KR 1019880014893 A KR1019880014893 A KR 1019880014893A KR 880014893 A KR880014893 A KR 880014893A KR 890010408 A KR890010408 A KR 890010408A
Authority
KR
South Korea
Prior art keywords
air
fuel ratio
internal combustion
combustion engine
detection device
Prior art date
Application number
KR1019880014893A
Other languages
Korean (ko)
Inventor
히로요시 스즈끼
마사노부 우찌나미
료오지 니시야마
Original Assignee
시끼모리아
미쓰비시전기 주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 시끼모리아, 미쓰비시전기 주식회사 filed Critical 시끼모리아
Publication of KR890010408A publication Critical patent/KR890010408A/en

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Classifications

    • 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
    • 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
    • F02D41/1493—Details
    • F02D41/1494—Control of sensor heater
    • 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
    • F02D41/1446—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 exhaust temperatures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/417—Systems using cells, i.e. more than one cell and probes with solid electrolytes
    • G01N27/4175—Calibrating or checking the analyser

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Molecular Biology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)

Abstract

내용 없음No content

Description

내연기관의 공연비 검출장치Air-fuel ratio detection device of internal combustion engine

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제 1 도는 종래 및 이 발명의 한 실시예에 의한 내연기관의 공연비 검출장치를 포함한 공연비 제어계의 전체 구성도.1 is an overall configuration diagram of an air-fuel ratio control system including an air-fuel ratio detection apparatus of an internal combustion engine according to an embodiment of the present invention.

제 2 도는 종래 및 이 발명의 공연비 검출장치에 사용되는 공연비센서와 그 검출회로를 나타내는 구성도.2 is a block diagram showing an air-fuel ratio sensor and a detection circuit thereof used in conventional and air-fuel ratio detection apparatuses of the present invention.

제 3 도 이 발명의 한 실시예의 공연비 검출장치가 수납된 공연비 제어장치의 구성도.3 is a configuration diagram of an air-fuel ratio control device in which an air-fuel ratio detection device of one embodiment of the present invention is housed.

Claims (1)

엔진의 배기계에 부착된 배기가스의 공연비 상태를 검지하는 공연비 검지소자부와 이 공연비 검지소자부를 가열하는 히터부를 가진 공연비센서와, 상기 히터부에 인가하는 전압을 일정하게 유지하는 정전압 제어수단과, 상기 엔진의 운전상태를 검출하는 운전상태 검출수단과, 이 운전상태 검출수단의 검출출력에 따라 상기 공연비센서의 출력을 보정하는 공연비 보정수단등을 구비한 내연기관의 공연비 검출수단.An air-fuel ratio sensor having an air-fuel ratio detector element for detecting an air-fuel ratio state of the exhaust gas attached to the exhaust system of the engine, a heater unit for heating the air-fuel ratio detector element, constant voltage control means for maintaining a constant voltage applied to the heater unit; Air-fuel ratio detection means for an internal combustion engine including driving state detecting means for detecting an operating state of the engine and air-fuel ratio correcting means for correcting an output of the air-fuel ratio sensor in accordance with the detection output of the driving state detecting means. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880014893A 1987-12-01 1988-11-12 Air-fuel ratio detection device of internal combustion engine KR890010408A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62304961A JPH01147139A (en) 1987-12-01 1987-12-01 Air-fuel ratio detector for internal combustion engine
JP?62-304961 1987-12-01

Publications (1)

Publication Number Publication Date
KR890010408A true KR890010408A (en) 1989-08-08

Family

ID=17939396

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880014893A KR890010408A (en) 1987-12-01 1988-11-12 Air-fuel ratio detection device of internal combustion engine

Country Status (3)

Country Link
JP (1) JPH01147139A (en)
KR (1) KR890010408A (en)
DE (1) DE3840248C3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2846735B2 (en) * 1990-11-30 1999-01-13 日本碍子株式会社 Air-fuel ratio sensor output correction method
DE4344961B4 (en) * 1993-12-30 2004-05-06 Robert Bosch Gmbh Evaluation device for the signal of an oxygen probe
DE19944181A1 (en) * 1999-09-15 2001-04-12 Bosch Gmbh Robert Sensor for determining the concentration of gas components in gas mixtures
FR2800873B1 (en) * 1999-11-04 2002-01-04 Renault METHOD AND DEVICE FOR CORRECTING A PREDETERMINED GAS CONCENTRATION MEASUREMENT OF A GAS MIXTURE
JP4614104B2 (en) * 2006-10-16 2011-01-19 株式会社デンソー Intake air amount detection device for internal combustion engine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5644833A (en) * 1979-09-21 1981-04-24 Nissan Motor Co Ltd Temperature control system for oxygen sensor
JPS56130650A (en) * 1980-03-19 1981-10-13 Nissan Motor Co Ltd Control circuit of heater current
JPS58105056A (en) * 1981-12-18 1983-06-22 Nissan Motor Co Ltd Controlling method for energization of electric heater for oxygen sensor
JPS60230534A (en) * 1984-05-01 1985-11-16 Osaka Gas Co Ltd Air-fuel ratio controller for internal-combustion engine
JPS60239664A (en) * 1984-05-14 1985-11-28 Nissan Motor Co Ltd Heating apparatus of oxygen sensor
JP2791846B2 (en) * 1992-08-07 1998-08-27 シャープ株式会社 microwave

Also Published As

Publication number Publication date
JPH01147139A (en) 1989-06-08
DE3840248C3 (en) 1997-04-03
DE3840248C2 (en) 1991-06-20
DE3840248A1 (en) 1989-06-15

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E902 Notification of reason for refusal
E601 Decision to refuse application
WICV Withdrawal of application forming a basis of a converted application