JPH0349312U - - Google Patents

Info

Publication number
JPH0349312U
JPH0349312U JP10997489U JP10997489U JPH0349312U JP H0349312 U JPH0349312 U JP H0349312U JP 10997489 U JP10997489 U JP 10997489U JP 10997489 U JP10997489 U JP 10997489U JP H0349312 U JPH0349312 U JP H0349312U
Authority
JP
Japan
Prior art keywords
exhaust pipe
catalyst
engine
main
exhaust
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
JP10997489U
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 JP10997489U priority Critical patent/JPH0349312U/ja
Publication of JPH0349312U publication Critical patent/JPH0349312U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Exhaust Silencers (AREA)
  • Exhaust Gas After Treatment (AREA)

Description

【図面の簡単な説明】
第1図ないし第3図は本考案の実施例に係り、
第1図はエンジンの排気管装置を開閉弁が閉弁し
ている状態として示す概略系統図、第2図はエン
ジンの排気管装置を開閉弁が開弁している状態と
して示す第1図と同様の概略系統図、第3図は開
閉弁の制御処理を示す流れ線図、第4図および第
5図は従来技術に係り、第4図はエンジンの排気
管装置を示す断面図、第5図はエンジンの回転数
と触媒の温度との関係を示す特性線図である。 21……断熱エンジン、22……排気管、23
……触媒、24……主排気管、25……バイパス
排気管。

Claims (1)

    【実用新案登録請求の範囲】
  1. エンジンの排気ポートに接続され、該エンジン
    の燃焼室からの排気ガスを排出する排気管と、該
    排気管の途中に設けられ、排気ガスの清浄化を図
    る触媒とからなり、前記排気管を、該触媒の温度
    が低いときにすべての排気ガスをその放熱を抑え
    て当該触媒まで流す主排気管と、該主排気管と並
    列に設けられ、前記触媒の温度が高いときに当該
    主排気管とともにまたは当該主排気管に代えて排
    気ガスを流し、放熱を促進して触媒の温度上昇を
    抑えるバイパス排気管とから構成してなるエンジ
    ンの排気管装置。
JP10997489U 1989-09-20 1989-09-20 Pending JPH0349312U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10997489U JPH0349312U (ja) 1989-09-20 1989-09-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10997489U JPH0349312U (ja) 1989-09-20 1989-09-20

Publications (1)

Publication Number Publication Date
JPH0349312U true JPH0349312U (ja) 1991-05-14

Family

ID=31658532

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10997489U Pending JPH0349312U (ja) 1989-09-20 1989-09-20

Country Status (1)

Country Link
JP (1) JPH0349312U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54145813A (en) * 1978-05-04 1979-11-14 Toyota Motor Corp Control device of exhaust flow in internal combustion engine
JPS6218319B2 (ja) * 1982-05-12 1987-04-22 Matsushita Electric Ind Co Ltd

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54145813A (en) * 1978-05-04 1979-11-14 Toyota Motor Corp Control device of exhaust flow in internal combustion engine
JPS6218319B2 (ja) * 1982-05-12 1987-04-22 Matsushita Electric Ind Co Ltd

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