JPS6390056U - - Google Patents

Info

Publication number
JPS6390056U
JPS6390056U JP18545686U JP18545686U JPS6390056U JP S6390056 U JPS6390056 U JP S6390056U JP 18545686 U JP18545686 U JP 18545686U JP 18545686 U JP18545686 U JP 18545686U JP S6390056 U JPS6390056 U JP S6390056U
Authority
JP
Japan
Prior art keywords
exhaust gas
temperature sensor
gas recirculation
decrease
increase
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
JP18545686U
Other languages
English (en)
Other versions
JPH0515564Y2 (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 JP1986185456U priority Critical patent/JPH0515564Y2/ja
Publication of JPS6390056U publication Critical patent/JPS6390056U/ja
Application granted granted Critical
Publication of JPH0515564Y2 publication Critical patent/JPH0515564Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Exhaust-Gas Circulating Devices (AREA)

Description

【図面の簡単な説明】
第１図は本案の一実施例の実車における試験結
果を示す図、第２図は本案の一実施例であるＥＧ
Ｒ装置の故障警報装置の全体構成図、第３図は本
案の一実施例の制御アルゴリズムを示すフロー図
である。 ４……ＥＧＲバルブ、５，６……配管、７……
コントロールバルブ、８……ＥＧＲガス温検出器
、９……警報ランプ、１０……モジユール。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ 機関の排気ガスを吸気系に循環する通路に流
    量制御弁を配設した内燃機関の排気ガス再循環装
    置において、上記流量制御弁と吸気系の間の排気
    ガス通路に温度検出器を配設すると共に、該温度
    検出器の信号の増加、減少を積分する手段を設け
    、増加、減少の周回が所望値に満たない場合は排
    気ガス再循環機能が故障と診断する様に論理を構
    成したことを特徴とする排気ガス再循環の故障診
    断装置。 ２ 請求の範囲第１項において、該温度検出器の
    信号が所定時間帯に所望値を越える増加、減少の
    変化が無い時、前記温度検出器の信号の絶対値が
    第１の所定温度以下の場合、又は、第２の所定温
    度以上の場合、排気ガス再循環機能が故障と診断
    することを特徴とする排気ガス再循環の故障診断
    装置。
JP1986185456U 1986-12-03 1986-12-03 Expired - Lifetime JPH0515564Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986185456U JPH0515564Y2 (ja) 1986-12-03 1986-12-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986185456U JPH0515564Y2 (ja) 1986-12-03 1986-12-03

Publications (2)

Publication Number Publication Date
JPS6390056U true JPS6390056U (ja) 1988-06-11
JPH0515564Y2 JPH0515564Y2 (ja) 1993-04-23

Family

ID=31134098

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986185456U Expired - Lifetime JPH0515564Y2 (ja) 1986-12-03 1986-12-03

Country Status (1)

Country Link
JP (1) JPH0515564Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010265818A (ja) * 2009-05-14 2010-11-25 Toyota Motor Corp 排気還流装置の異常検出装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6271363U (ja) * 1985-10-24 1987-05-07

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6271363U (ja) * 1985-10-24 1987-05-07

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010265818A (ja) * 2009-05-14 2010-11-25 Toyota Motor Corp 排気還流装置の異常検出装置

Also Published As

Publication number Publication date
JPH0515564Y2 (ja) 1993-04-23

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