JPS63150368U - - Google Patents

Info

Publication number
JPS63150368U
JPS63150368U JP4205887U JP4205887U JPS63150368U JP S63150368 U JPS63150368 U JP S63150368U JP 4205887 U JP4205887 U JP 4205887U JP 4205887 U JP4205887 U JP 4205887U JP S63150368 U JPS63150368 U JP S63150368U
Authority
JP
Japan
Prior art keywords
sensor
catalyst layer
heater
electrode
sensor section
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
JP4205887U
Other languages
English (en)
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 filed Critical
Priority to JP4205887U priority Critical patent/JPS63150368U/ja
Priority to US07/117,507 priority patent/US4773376A/en
Priority to EP87309883A priority patent/EP0267764A3/en
Publication of JPS63150368U publication Critical patent/JPS63150368U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measuring Oxygen Concentration In Cells (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例を示す断面図、第２
図は従来例を示す断面図、第３図は本考案の実施
例の特性を示すグラフ、第４図は空燃比と排気成
分濃度との関係を示すグラフである。 １……セラミツク管、２……内側電極、３……
外側電極、４……白金触媒層、５……ロジウム触
媒層、７……セラミツクヒータ、８……排気温セ
ンサ、９……ヒータ制御装置。

Claims (1)

    【実用新案登録請求の範囲】
  1. セラミツク基材の内外表面の各一部に電極を形
    成すると共に、外表面に白金触媒層を形成してな
    るセンサ部を有し、該センサ部の大気に接触させ
    た内表面側の電極と、機関排気に接触させた外表
    面側の電極との間に発生する起電力により機関排
    気の酸素濃度を検出するようにした内燃機関用酸
    素センサにおいて、前記白金触媒層の外表面に窒
    素酸化物の還元反応を促進させる還元触媒層を設
    けてセンサ部を形成すると共に、該センサ部の加
    熱用ヒータと、センサ部の温度を所定範囲に保つ
    よう前記加熱用ヒータを制御する制御手段とを設
    けたことを特徴とする内燃機関用酸素センサ。
JP4205887U 1986-11-10 1987-03-24 Pending JPS63150368U (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP4205887U JPS63150368U (ja) 1987-03-24 1987-03-24
US07/117,507 US4773376A (en) 1986-11-10 1987-11-06 Oxygen gas concentration-detecting apparatus and air-fuel ratio-controlling apparatus using same in internal combustion engine
EP87309883A EP0267764A3 (en) 1986-11-10 1987-11-09 Oxygen gas concentration-detecting apparatus and air-fuel ratio-controlling apparatus using same in internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4205887U JPS63150368U (ja) 1987-03-24 1987-03-24

Publications (1)

Publication Number Publication Date
JPS63150368U true JPS63150368U (ja) 1988-10-04

Family

ID=30857622

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4205887U Pending JPS63150368U (ja) 1986-11-10 1987-03-24

Country Status (1)

Country Link
JP (1) JPS63150368U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51126890A (en) * 1975-04-25 1976-11-05 Nissan Motor Co Ltd Air fuel ratio detector

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51126890A (en) * 1975-04-25 1976-11-05 Nissan Motor Co Ltd Air fuel ratio detector

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