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KR920701817A - 개스 혼합물의 λ값을 결정하기 위한 전류제한 센서용 센서 소자 - Google Patents

개스 혼합물의 λ값을 결정하기 위한 전류제한 센서용 센서 소자

Info

Publication number
KR920701817A
KR920701817A KR1019910701091A KR910701091A KR920701817A KR 920701817 A KR920701817 A KR 920701817A KR 1019910701091 A KR1019910701091 A KR 1019910701091A KR 910701091 A KR910701091 A KR 910701091A KR 920701817 A KR920701817 A KR 920701817A
Authority
KR
South Korea
Prior art keywords
sensor element
pump cell
solid electrolyte
carrier
element according
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Withdrawn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
KR1019910701091A
Other languages
English (en)
Inventor
프리세 칼-헤르만
그륀발트 베르너
스탈 로란토
Original Assignee
랄프 베렌스; 위르겐 프리트만
로베르트 보쉬 게엠베하
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6376369&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR920701817(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 랄프 베렌스; 위르겐 프리트만, 로베르트 보쉬 게엠베하 filed Critical 랄프 베렌스; 위르겐 프리트만
Publication of KR920701817A publication Critical patent/KR920701817A/ko
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • G01N27/403—Cells and electrode assemblies
    • G01N27/406—Cells and probes with solid electrolytes
    • G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
    • G01N27/4071—Cells and probes with solid electrolytes for investigating or analysing gases using sensor elements of laminated structure
    • 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
    • G01N27/403—Cells and electrode assemblies
    • G01N27/406—Cells and probes with solid electrolytes
    • 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
    • G01N27/403—Cells and electrode assemblies
    • G01N27/406—Cells and probes with solid electrolytes
    • G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
    • G01N27/4071—Cells and probes with solid electrolytes for investigating or analysing gases using sensor elements of laminated structure
    • G01N27/4072—Cells and probes with solid electrolytes for investigating or analysing gases using sensor elements of laminated structure characterized by the diffusion barrier

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical 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)
  • Measuring Oxygen Concentration In Cells (AREA)

Abstract

내용 없음

Description

개스 혼합물의 λ값을 결정하기 위한 전류제한 센서용 센서 소자
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따라서 본 기술의 전류 제한 탐침의 두개-전극 센서 소자를 간단히 개요적으로 도시한도, 제2도는 제1도에 센서 소자의 정지 균형에서 확산채널에서의 O2농도 분포를 도시한도, 제3도는 배기 개스농도가 0 에서 1로 점프하는 연속 주기동안 O2농도가 0에서 1로 점프하는 확산 채널에서의 O2농도 추이를 개요적으로 도시한도.

Claims (7)

  1. 내부 전극이 확산 채널을 통해 흐르는 측정 개스로 액세스되는 고체 전해질 캐리어상에 배치된 한쌍의 전극으로 이루어진 고체 전해질 펌프셀 및 전압이 인가되는 전극에 대한 도통트랙을 구비하며, 개스 혼합물 특히 내연 기관에서 나온 배기 개스의 λ값을 결정하기 위한 전류 제한 센서 소자에 있어서, 센서 소자(1)는 추가 펌프셀(9)을 구비하며 그것을 경유하여 하나의 장소에서 일정한 O2농도를 설정하는 것을 특징으로 하는 센서 소자.
  2. 제1항에 있어서, 추가 펌프셀(9)이 확산 채널(6)의 중심에 대략 배치되고 이 장소에서 O2농도가 배기개스에서 최대 포텐셜 O2농도의 1/4로 유지되는 것을 특징으로 하는 센서 소자.
  3. 제1항에 있어서, 고체 전해질 펌프셀(5)및 중간 확산 채널(6)을 갖는 추가 펌프셀(a)이 맞은편 상부의 한쪽에 배치되고 개스타이트 절연층(12)에 의해 서로가 접속되는 것을 특징으로 하는 센서 소자.
  4. 제1항에 있어서, 확산 채널(6)이 Al2O3또는 ZrO2로 이루어지는 것이 바람직한 온도 저항 물질로 이루어진 다기공 확산 장벽(7)으로 적어도 부분적으로 채워지는 것을 특징으로 하는 센서 소자.
  5. 제1항에 있어서, 고체 전해질 펌프셀(5)로 이루어진 펌 전해질 캐리어(2)가 Y2O3로 안정화되는 ZrO2로 구성되는 것을 특징으로 하는 센서 소자.
  6. 제1항 내지 5항에 있어서, 펌프셀(9)의 캐리어(2')가 Y2O3로 안정화되는 ZrO2로 구성되는 것을 특징으로 하는 센서 소자.
  7. 제3항에 있어서, 개스타이트 절연층(12)은 5가 및 우수한 양이온이 펌프셀(9)의 캐리어 및 고체 전해질 펌프셀(5)로 확산 관통하므로서 얻어지는 것을 특징으로 하는 센서 소자.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910701091A 1989-03-15 1990-03-08 개스 혼합물의 λ값을 결정하기 위한 전류제한 센서용 센서 소자 Withdrawn KR920701817A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3908393A DE3908393A1 (de) 1989-03-15 1989-03-15 Sensorelement fuer grenzstromsensoren zur bestimmung des (lambda)-wertes von gasgemischen
DEP39083934 1989-03-15
PCT/DE1990/000167 WO1990010862A1 (de) 1989-03-15 1990-03-08 SENSORELEMENT FÜR GRENZSTROMSENSOREN ZUR BESTIMMUNG DES μ-WERTES VON GASGEMISCHEN

Publications (1)

Publication Number Publication Date
KR920701817A true KR920701817A (ko) 1992-08-12

Family

ID=6376369

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910701091A Withdrawn KR920701817A (ko) 1989-03-15 1990-03-08 개스 혼합물의 λ값을 결정하기 위한 전류제한 센서용 센서 소자

Country Status (5)

Country Link
EP (1) EP0462989B1 (ko)
JP (1) JP2947929B2 (ko)
KR (1) KR920701817A (ko)
DE (2) DE3908393A1 (ko)
WO (1) WO1990010862A1 (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4032436A1 (de) * 1990-10-12 1992-04-16 Bosch Gmbh Robert Sensorelement fuer grenzstromsensoren zur bestimmung des (gamma)-wertes von gasgemischen
DE4226537C2 (de) * 1992-08-11 2003-03-27 Bosch Gmbh Robert Polarographischer Sensor
DE4231966A1 (de) 1992-09-24 1994-03-31 Bosch Gmbh Robert Planare polarograhische Sonde zur Bestimmung des Lambda-Wertes von Gasgemischen
DE4243732A1 (de) * 1992-12-23 1994-06-30 Bosch Gmbh Robert Sensoranordnung zur Bestimmung von Gaskomponenten und/oder Gaskonzentrationen von Gasgemischen
DE4333230B4 (de) * 1993-09-30 2004-03-25 Robert Bosch Gmbh Elektrochemischer Meßfühler zur Bestimmung des Sauerstoffgehalts in Gasen
DE4340875A1 (de) * 1993-12-01 1995-06-08 Bosch Gmbh Robert Sauerstoffmeßfühler
DE4341278B4 (de) * 1993-12-03 2004-05-06 Robert Bosch Gmbh Grenzstromsensor zur Bestimmung des Lambdawertes in Gasgemischen
US5879526A (en) * 1994-11-08 1999-03-09 Robert Bosch Gmbh Electrochemical measuring sensor for determining nitrogen oxides in gas mixtures

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1071709A (en) * 1975-12-05 1980-02-12 Arnold O. Isenberg Gas analysis apparatus
DE3017947A1 (de) * 1980-05-10 1981-11-12 Bosch Gmbh Robert Elektrochemischer messfuehler fuer die bestimmung des sauerstoffgehaltes in gasen und verfahren zum herstellen von sensorelementen fuer derartige messfuehler
DE3206903A1 (de) * 1982-02-26 1983-09-15 Bosch Gmbh Robert Gassensor, insbesondere fuer abgase von brennkraftmaschinen
EP0142992B1 (en) * 1983-11-18 1990-07-18 Ngk Insulators, Ltd. Electrochemical device incorporating a sensing element
US4579643A (en) * 1983-11-18 1986-04-01 Ngk Insulators, Ltd. Electrochemical device
JPH063429B2 (ja) * 1984-10-18 1994-01-12 日本碍子株式会社 酸素センサ
JPS61138156A (ja) * 1984-12-11 1986-06-25 Ngk Spark Plug Co Ltd 空燃比検出装置
JPS61147155A (ja) * 1984-12-20 1986-07-04 Ngk Insulators Ltd 電気化学的装置
US4645572A (en) * 1985-02-23 1987-02-24 Ngk Insulators, Ltd. Method of determining concentration of a component in gases and electrochemical device suitable for practicing the method
JPS62182645A (ja) * 1985-12-26 1987-08-11 Honda Motor Co Ltd 酸素濃度センサの制御方法
US4772376A (en) * 1986-03-11 1988-09-20 Nissan Motor Co., Ltd. Air/fuel ratio sensor having oxygen sensor cell and oxygen pump cell
JPS6363962A (ja) * 1986-09-04 1988-03-22 Ngk Insulators Ltd 工業用酸素濃度測定装置
DE3726479C2 (de) * 1987-08-08 1996-04-11 Bosch Gmbh Robert Verfahren zur Erzeugung von elektrisch-isolierenden Bereichen oder Schichten in oder auf O·2··-·-Ionen leitenden Festelektrolytsubstraten sowie Zusammensetzung zur Durchführung des Verfahrens
DE3728618C1 (de) * 1987-08-27 1988-03-10 Bosch Gmbh Robert Sensorelement fuer Grenzstromsensoren zur Bestimmung des lambda-Wertes von Gasgemischen
DE3809154C1 (ko) * 1988-03-18 1988-12-08 Robert Bosch Gmbh, 7000 Stuttgart, De
DE3834987A1 (de) * 1988-10-14 1990-04-19 Bosch Gmbh Robert Sensorelement fuer grenzstromsensoren zur bestimmung des (lambda)-wertes von gasgemischen

Also Published As

Publication number Publication date
DE3908393A1 (de) 1990-09-27
EP0462989B1 (de) 1993-10-27
JP2947929B2 (ja) 1999-09-13
DE3908393C2 (ko) 1991-01-24
JPH04504170A (ja) 1992-07-23
DE59003262D1 (de) 1993-12-02
WO1990010862A1 (de) 1990-09-20
EP0462989A1 (de) 1992-01-02

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Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19910911

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid