JPS6257719U - - Google Patents

Info

Publication number
JPS6257719U
JPS6257719U JP14972885U JP14972885U JPS6257719U JP S6257719 U JPS6257719 U JP S6257719U JP 14972885 U JP14972885 U JP 14972885U JP 14972885 U JP14972885 U JP 14972885U JP S6257719 U JPS6257719 U JP S6257719U
Authority
JP
Japan
Prior art keywords
internal combustion
combustion engine
exhaust
exhaust system
muffler
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
JP14972885U
Other languages
English (en)
Other versions
JPH0430323Y2 (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 JP14972885U priority Critical patent/JPH0430323Y2/ja
Publication of JPS6257719U publication Critical patent/JPS6257719U/ja
Application granted granted Critical
Publication of JPH0430323Y2 publication Critical patent/JPH0430323Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Exhaust Silencers (AREA)

Description

【図面の簡単な説明】
第1図は本考案の実施例を示す構成図、第2図
はLin.―Aをエンジン吸入量とエンジン回転
数との関係で示すグラフ、第3図はLin.とA
特性値との関係を示す消音特性線図、第4図は本
実施例に於ける動作を示すフローチヤート、第5
図は従来の装置を示す構成図である。 21……エンジン、25……プリマフラ、26
……メインマフラ、27,28……排気管、29
……制御弁、30……コントローラ、31……バ
ルブ駆動装置。

Claims (1)

    【実用新案登録請求の範囲】
  1. 内燃機関に連結する排気経路に、少なくとも消
    音器を設けると共にこの消音器のテール側に複数
    の排気管を連結し、且つ、複数の排気管の内の一
    つに運転状態に応じて開閉する制御弁を設けた内
    燃機関用排気装置に於て、排気系の実測騒音のL
    in.値とA特性値とのdB換算差が、設定値以
    上の時に制御弁を閉じ、設定値以下の時に制御弁
    を開くように制御すると共に、各回転数領域に応
    じて上記設定値に見合つたエンジン吸入空気量を
    決める制御装置を設けたことを特徴とする制御弁
    を設けた内燃機関用排気装置。
JP14972885U 1985-09-30 1985-09-30 Expired JPH0430323Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14972885U JPH0430323Y2 (ja) 1985-09-30 1985-09-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14972885U JPH0430323Y2 (ja) 1985-09-30 1985-09-30

Publications (2)

Publication Number Publication Date
JPS6257719U true JPS6257719U (ja) 1987-04-10
JPH0430323Y2 JPH0430323Y2 (ja) 1992-07-22

Family

ID=31065213

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14972885U Expired JPH0430323Y2 (ja) 1985-09-30 1985-09-30

Country Status (1)

Country Link
JP (1) JPH0430323Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0222220U (ja) * 1988-07-27 1990-02-14

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0222220U (ja) * 1988-07-27 1990-02-14

Also Published As

Publication number Publication date
JPH0430323Y2 (ja) 1992-07-22

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