JPH01103747U - - Google Patents

Info

Publication number
JPH01103747U
JPH01103747U JP19982387U JP19982387U JPH01103747U JP H01103747 U JPH01103747 U JP H01103747U JP 19982387 U JP19982387 U JP 19982387U JP 19982387 U JP19982387 U JP 19982387U JP H01103747 U JPH01103747 U JP H01103747U
Authority
JP
Japan
Prior art keywords
exhaust
throttle valve
engine
cold
actuator
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
JP19982387U
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 JP19982387U priority Critical patent/JPH01103747U/ja
Publication of JPH01103747U publication Critical patent/JPH01103747U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Description

【図面の簡単な説明】
第１図はこの考案の排気系構成概略図。第２図
はこの考案の作動を説明するエンジン概略図。第
３図は第１番気筒と第２番気筒との作動タイミン
グを説明する図。第４図は第２実施例の部分概略
図。 １２……ピストン、１８……吸気弁、２０……
吸気ポート、２２……排気弁、２４……排気ポー
ト、２６……排気管、３０……クランク軸、３２
……排気絞り弁、３８……操作ノブ（アクチユエ
ータ）。

Claims (1)

    【実用新案登録請求の範囲】
  1. ４サイクルデイーゼル機関において、排気管内
    に排気絞り弁を設け、該排気絞り弁はアクチユエ
    ータに連結され、該アクチユエータは通常時は絞
    り弁を排気ガスの通過の抵抗とならない位置に保
    持するが、冷機時には排気管の内圧を高める位置
    をとり、バルブオーバラツプ期間に吸気管に一部
    の排気ガスが還流されることを特徴とする４サイ
    クルデイーゼル機関の冷機時白煙低減装置。
JP19982387U 1987-12-29 1987-12-29 Pending JPH01103747U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19982387U JPH01103747U (ja) 1987-12-29 1987-12-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19982387U JPH01103747U (ja) 1987-12-29 1987-12-29

Publications (1)

Publication Number Publication Date
JPH01103747U true JPH01103747U (ja) 1989-07-13

Family

ID=31490260

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19982387U Pending JPH01103747U (ja) 1987-12-29 1987-12-29

Country Status (1)

Country Link
JP (1) JPH01103747U (ja)

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