JPH02112949U - - Google Patents

Info

Publication number
JPH02112949U
JPH02112949U JP2016489U JP2016489U JPH02112949U JP H02112949 U JPH02112949 U JP H02112949U JP 2016489 U JP2016489 U JP 2016489U JP 2016489 U JP2016489 U JP 2016489U JP H02112949 U JPH02112949 U JP H02112949U
Authority
JP
Japan
Prior art keywords
concentration
detection means
fuel
air
warning signal
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
JP2016489U
Other languages
English (en)
Other versions
JPH0634599Y2 (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 JP2016489U priority Critical patent/JPH0634599Y2/ja
Publication of JPH02112949U publication Critical patent/JPH02112949U/ja
Application granted granted Critical
Publication of JPH0634599Y2 publication Critical patent/JPH0634599Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • 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図は本考案の混合燃料使用機関の異常検出
装置の構成を示すブロツク図、第2図は本考案の
装置を備えた内燃機関の構成図、第3図は第2図
の制御回路の動作を示すフローチヤート、第4図
はアルコール濃度−センサ出力値特性を示す線図
である。 10……エンジン、20……燃料パイプ、26
……燃料噴射弁、27……燃料タンク、28……
燃料ポンプ、30……アルコールセンサ、32…
…空燃比センサ、41……制御回路。

Claims (1)

  1. 【実用新案登録請求の範囲】 ガソリンに混合された別の燃料の濃度を検出す
    る濃度検出手段と、 検出濃度の変化を監視し、変化量が所定値以上
    の時に警戒信号を出力する濃度変化検出手段と、 この警戒信号により空燃比の変化を所定時間監
    視し、空燃比の偏りが検出された時には前記濃度
    検出手段を異常と判定する異常検出手段と、 を備えた混合燃料使用機関の異常検出装置。
JP2016489U 1989-02-27 1989-02-27 混合燃料使用機関の異常検出装置 Expired - Lifetime JPH0634599Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2016489U JPH0634599Y2 (ja) 1989-02-27 1989-02-27 混合燃料使用機関の異常検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016489U JPH0634599Y2 (ja) 1989-02-27 1989-02-27 混合燃料使用機関の異常検出装置

Publications (2)

Publication Number Publication Date
JPH02112949U true JPH02112949U (ja) 1990-09-10
JPH0634599Y2 JPH0634599Y2 (ja) 1994-09-07

Family

ID=31236298

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016489U Expired - Lifetime JPH0634599Y2 (ja) 1989-02-27 1989-02-27 混合燃料使用機関の異常検出装置

Country Status (1)

Country Link
JP (1) JPH0634599Y2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7209826B2 (en) 2003-02-13 2007-04-24 Nissan Motor Co., Ltd. Fuel properties estimation for internal combustion engine
WO2011101980A1 (ja) 2010-02-19 2011-08-25 トヨタ自動車株式会社 燃料性状検出装置の異常検出装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7209826B2 (en) 2003-02-13 2007-04-24 Nissan Motor Co., Ltd. Fuel properties estimation for internal combustion engine
WO2011101980A1 (ja) 2010-02-19 2011-08-25 トヨタ自動車株式会社 燃料性状検出装置の異常検出装置
US8683853B2 (en) 2010-02-19 2014-04-01 Toyota Jidosha Kabushiki Kaisha Apparatus for detecting abnormality for fuel property detecting apparatus

Also Published As

Publication number Publication date
JPH0634599Y2 (ja) 1994-09-07

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