JPH0267017U - - Google Patents

Info

Publication number
JPH0267017U
JPH0267017U JP14693788U JP14693788U JPH0267017U JP H0267017 U JPH0267017 U JP H0267017U JP 14693788 U JP14693788 U JP 14693788U JP 14693788 U JP14693788 U JP 14693788U JP H0267017 U JPH0267017 U JP H0267017U
Authority
JP
Japan
Prior art keywords
catalyst
detection device
catalytic converter
temperature
deterioration
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
JP14693788U
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 JP14693788U priority Critical patent/JPH0267017U/ja
Publication of JPH0267017U publication Critical patent/JPH0267017U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Exhaust Gas After Treatment (AREA)

Description

【図面の簡単な説明】
第1〜3図は本考案に係る触媒の劣化検出装置
の一実施例を示す図であり、第1図はその全体構
成図、第2図はその触媒内の温度分布の変化を説
明するための図、第3図はその触媒コンバータ内
における温度差と触媒転化率との関係を示す図、
第4図は従来の排出ガスの温度検出装置を示す全
体構成図である。 11……触媒コンバータ、13……三元触媒、
14,15……温度センサ、19,20……比較
器。

Claims (1)

    【実用新案登録請求の範囲】
  1. エンジンの排気系に配設され、内部に触媒を収
    容する触媒コンバータ内に温度センサを設け、該
    温度センサは、触媒コンバータ内の排気が流入す
    る流入口近傍と触媒内の上流側所定位置に配設し
    、これら温度センサの出力から触媒内の温度変化
    を検出し、この検出情報に基づいて該触媒の劣化
    を判別する判別手段を設けたことを特徴とする触
    媒の劣化検出装置。
JP14693788U 1988-11-09 1988-11-09 Pending JPH0267017U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14693788U JPH0267017U (ja) 1988-11-09 1988-11-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14693788U JPH0267017U (ja) 1988-11-09 1988-11-09

Publications (1)

Publication Number Publication Date
JPH0267017U true JPH0267017U (ja) 1990-05-21

Family

ID=31416892

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14693788U Pending JPH0267017U (ja) 1988-11-09 1988-11-09

Country Status (1)

Country Link
JP (1) JPH0267017U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6261919B2 (ja) * 1981-08-21 1987-12-23 Hitachi Ltd

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6261919B2 (ja) * 1981-08-21 1987-12-23 Hitachi Ltd

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