JPS6033652U - A sensor that mainly measures the oxygen concentration in exhaust gas from internal combustion engines. - Google Patents

A sensor that mainly measures the oxygen concentration in exhaust gas from internal combustion engines.

Info

Publication number
JPS6033652U
JPS6033652U JP10532784U JP10532784U JPS6033652U JP S6033652 U JPS6033652 U JP S6033652U JP 10532784 U JP10532784 U JP 10532784U JP 10532784 U JP10532784 U JP 10532784U JP S6033652 U JPS6033652 U JP S6033652U
Authority
JP
Japan
Prior art keywords
layer
solid electrolyte
waste gas
electron
internal combustion
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.)
Pending
Application number
JP10532784U
Other languages
Japanese (ja)
Inventor
ルードルフ・ポルネル
カール・ヘルマン・フリーゼ
ベルンハルト・トツプ
ホルスト・ナイトハルト
Original Assignee
ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング
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 ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング filed Critical ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング
Publication of JPS6033652U publication Critical patent/JPS6033652U/en
Pending legal-status Critical Current

Links

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
    • G01N27/4075—Composition or fabrication of the electrodes and coatings thereon, e.g. catalysts
    • 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
    • G01N27/4077—Means for protecting the electrolyte or the electrodes

Landscapes

  • 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

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図、第２図、第３図は、本考案によるセンサの種々
の実施形式による縦断面図である。 １０・・・・・・固体電解質の管、１１・・・・・・フ
ランジ、１２・・・・・・内部電極、１３・・・・・・
白金層、１４・・・・・・多孔性保護層。1, 2 and 3 are longitudinal sectional views of various embodiments of the sensor according to the invention. 10... Solid electrolyte tube, 11... Flange, 12... Internal electrode, 13...
Platinum layer, 14...Porous protective layer.

Claims (1)

【実用新案登録請求の範囲】 内燃機関の廃ガス中の酸素濃度を測定する電気化学的セ
ンサにおいて、 閉じた１端を有しかつ廃ガスに曝露するのに適合した第
１管部、及び第１管部に電気的結合を得るためにこれに
連結する第２結合管部（この結合管部はフランジ）を有
する酸素イオン伝導固体電解質よりなる閉じた管； 第１管部の固体電解質の少くとも１部分の内面に電子伝
導層； 第１管部の固体電解質の外面の少（とも１部分に外部電
子伝導層（この外部伝導層は、廃ガスの温度で熱力学的
に安定な化合物の熱焼ガスからの形成を接触作用する材
料であり、外部伝導層の厚さよりも大きくはない直径又
は巾の孔又は裂溝を有する）； 及び外部電子伝導層を被覆し層の厚さ０．１〜５００μ
ｍを有する多孔性電気絶縁保護層（この層の厚さ対孔径
の割合は１０：１〜１０００：１）からなり、 電気絶縁層は、外部伝導層で被覆されていない第１管部
のイオン伝導固体電解質の外面中くとも全部及びこれに
連結する第２結合管部のイオン伝導固体電解質の外面全
部を被覆し、 これによって廃ガスに曝露されるイオン伝導固体電解質
の全外面が被覆されて、イオン伝導固体電解質と廃ガス
との直接的接触を阻止する電気化学的センサ。[Claims for Utility Model Registration] An electrochemical sensor for measuring oxygen concentration in waste gas of an internal combustion engine, comprising: a first tube portion having one closed end and adapted to be exposed to the waste gas; A closed tube made of an oxygen ion-conducting solid electrolyte having a second connecting tube section (this connecting tube section is a flange) connected to the first tube section for electrical connection; an electron-conducting layer on the inner surface of both parts; an outer electron-conducting layer on the outer surface of the solid electrolyte of the first tube part (the outer electron-conducting layer is made of a compound that is thermodynamically stable at the temperature of the exhaust gas); a material formed from a hot burning gas and having pores or fissures of diameter or width not greater than the thickness of the outer conductive layer); and covering the outer electron conductive layer and having a layer thickness of 0. 1~500μ
m (the ratio of the thickness to the pore diameter of this layer is from 10:1 to 1000:1), the electrically insulating layer comprising a porous electrically insulating protective layer having a Covering at least the entire outer surface of the conductive solid electrolyte and the entire outer surface of the ion conductive solid electrolyte of the second coupling pipe section connected thereto, so that the entire outer surface of the ion conductive solid electrolyte exposed to waste gas is covered. , an electrochemical sensor that prevents direct contact between the ionically conductive solid electrolyte and the waste gas.
JP10532784U 1973-03-07 1984-07-13 A sensor that mainly measures the oxygen concentration in exhaust gas from internal combustion engines. Pending JPS6033652U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2311165.1 1973-03-07
DE19732311165 DE2311165C2 (en) 1973-03-07 1973-03-07 Electrochemical measuring sensor for the determination of the oxygen content in exhaust gases, mainly from internal combustion engines

Publications (1)

Publication Number Publication Date
JPS6033652U true JPS6033652U (en) 1985-03-07

Family

ID=5873973

Family Applications (3)

Application Number Title Priority Date Filing Date
JP49026724A Pending JPS49126390A (en) 1973-03-07 1974-03-07
JP12221580A Pending JPS5653456A (en) 1973-03-07 1980-09-03 Equipment for measuring oxygen density in waste gas mainly from internal combustion engine
JP10532784U Pending JPS6033652U (en) 1973-03-07 1984-07-13 A sensor that mainly measures the oxygen concentration in exhaust gas from internal combustion engines.

Family Applications Before (2)

Application Number Title Priority Date Filing Date
JP49026724A Pending JPS49126390A (en) 1973-03-07 1974-03-07
JP12221580A Pending JPS5653456A (en) 1973-03-07 1980-09-03 Equipment for measuring oxygen density in waste gas mainly from internal combustion engine

Country Status (10)

Country Link
JP (3) JPS49126390A (en)
BE (1) BE811947A (en)
BR (1) BR7401650D0 (en)
CH (1) CH589289A5 (en)
DE (1) DE2311165C2 (en)
FR (1) FR2221046A6 (en)
GB (1) GB1462639A (en)
IT (1) IT1047010B (en)
NL (1) NL7403029A (en)
SE (1) SE413701B (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5313980A (en) * 1976-07-23 1978-02-08 Nippon Denso Co Ltd Oxygen concentration detector
JPS5315886A (en) * 1976-07-28 1978-02-14 Nippon Denso Co Ltd Oxygen concentration detector
CA1112438A (en) * 1976-12-07 1981-11-17 Robert R. Hughan Oxygen sensors
JPS5372686A (en) * 1976-12-09 1978-06-28 Nippon Denso Co Ltd Oxygen concentration detector
DE2711880C2 (en) * 1977-03-18 1985-01-17 Robert Bosch Gmbh, 7000 Stuttgart Polarographic probe for measuring oxygen concentration and process for its manufacture
DE2831478C2 (en) * 1978-07-18 1986-01-16 Robert Bosch Gmbh, 7000 Stuttgart Electrochemical sensor and method for its manufacture
DE2941056A1 (en) * 1979-10-10 1981-04-23 Bruno Schaefer Oxygen determn. probe using solid electrolyte tube - where probe assembly has high resistance to thermal shock in heat treatment furnaces
JPS56147057A (en) * 1980-04-15 1981-11-14 Ngk Spark Plug Co Ltd Production of oxygen sensor
JPS60219548A (en) * 1984-04-16 1985-11-02 Ngk Spark Plug Co Ltd Oxygen concentration detector for exhaust gas of automobile
JPS6130760A (en) * 1984-07-24 1986-02-13 Toyota Central Res & Dev Lab Inc Oxygen sensor and manufacture thereof
JPS61153561A (en) * 1984-12-27 1986-07-12 Japan Electronic Control Syst Co Ltd Oxygen sensor
JPS63171356A (en) * 1987-01-09 1988-07-15 Hitachi Ltd Detector for measuring concentration of oxygen
DE3934586A1 (en) * 1989-10-17 1991-04-25 Bosch Gmbh Robert ELECTROCHEMICAL PROBE
DE4021929C2 (en) * 1990-07-10 1998-04-30 Abb Patent Gmbh sensor
DE4033388C3 (en) * 1990-10-20 1998-01-29 Bosch Gmbh Robert Layer system for gas sensors and method for its production
JP2000310610A (en) 1999-02-25 2000-11-07 Denso Corp Gas sensor element and production thereof
JP4141074B2 (en) * 1999-12-17 2008-08-27 日本特殊陶業株式会社 Gas sensor and manufacturing method thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1201806A (en) * 1967-11-23 1970-08-12 Kent Ltd G Improvements in or relating to electrode assemblies

Also Published As

Publication number Publication date
IT1047010B (en) 1980-09-10
DE2311165A1 (en) 1974-09-12
JPS49126390A (en) 1974-12-03
GB1462639A (en) 1977-01-26
SE413701B (en) 1980-06-16
FR2221046A6 (en) 1974-10-04
AU6628374A (en) 1975-09-11
CH589289A5 (en) 1977-06-30
BE811947A (en) 1974-07-01
DE2311165C2 (en) 1983-02-17
BR7401650D0 (en) 1974-11-19
NL7403029A (en) 1974-09-10
JPS5653456A (en) 1981-05-13

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