JPH0254346U - - Google Patents

Info

Publication number
JPH0254346U
JPH0254346U JP13281988U JP13281988U JPH0254346U JP H0254346 U JPH0254346 U JP H0254346U JP 13281988 U JP13281988 U JP 13281988U JP 13281988 U JP13281988 U JP 13281988U JP H0254346 U JPH0254346 U JP H0254346U
Authority
JP
Japan
Prior art keywords
fuel
concentration detector
engine
fuel concentration
value
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.)
Granted
Application number
JP13281988U
Other languages
English (en)
Other versions
JPH0810670Y2 (ja
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 JP13281988U priority Critical patent/JPH0810670Y2/ja
Publication of JPH0254346U publication Critical patent/JPH0254346U/ja
Application granted granted Critical
Publication of JPH0810670Y2 publication Critical patent/JPH0810670Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Description

【図面の簡単な説明】
第1図は本考案の構成を示すブロツク図、第2
図は本考案の一実施例の構成を示す図、第3図は
同上実施例の燃料濃度検出器の異常判定ルーチン
を示すフローチヤート、第4図は従来例のアルコ
ールセンサ異常時の作動を示す図である。 1……内燃機関、7……アルコールセンサ、8
……コントロールユニツト。

Claims (1)

    【実用新案登録請求の範囲】
  1. 異種類の燃料を切り換えて若しくは混合して使
    用可能な内燃機関に装着され、機関に供給される
    燃料から、該燃料中の基準となる燃料の濃度を検
    出する燃料濃度検出器の異常を検出する装置にお
    いて、機関の始動後の経過時間を計測する計時手
    段と、機関始動後所定時間を経過した後の燃料濃
    度検出器の出力値の最大値と最小値を捉えて記憶
    する記憶手段と、記憶された最大値と最小値との
    偏差を演算する偏差演算手段と、演算された偏差
    が所定値を上回るときに燃料濃度検出器が異常と
    判定する判定手段とを含んで構成したことを特徴
    とする燃料濃度検出器の異常検出装置。
JP13281988U 1988-10-13 1988-10-13 燃料濃度検出器の異常検出装置 Expired - Lifetime JPH0810670Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13281988U JPH0810670Y2 (ja) 1988-10-13 1988-10-13 燃料濃度検出器の異常検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13281988U JPH0810670Y2 (ja) 1988-10-13 1988-10-13 燃料濃度検出器の異常検出装置

Publications (2)

Publication Number Publication Date
JPH0254346U true JPH0254346U (ja) 1990-04-19
JPH0810670Y2 JPH0810670Y2 (ja) 1996-03-29

Family

ID=31390136

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13281988U Expired - Lifetime JPH0810670Y2 (ja) 1988-10-13 1988-10-13 燃料濃度検出器の異常検出装置

Country Status (1)

Country Link
JP (1) JPH0810670Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010256038A (ja) * 2009-04-21 2010-11-11 Denso Corp 液体用濃度測定装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010256038A (ja) * 2009-04-21 2010-11-11 Denso Corp 液体用濃度測定装置

Also Published As

Publication number Publication date
JPH0810670Y2 (ja) 1996-03-29

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