JPS5940521U - 2-stroke diesel engine NOx reduction device - Google Patents

2-stroke diesel engine NOx reduction device

Info

Publication number
JPS5940521U
JPS5940521U JP13395382U JP13395382U JPS5940521U JP S5940521 U JPS5940521 U JP S5940521U JP 13395382 U JP13395382 U JP 13395382U JP 13395382 U JP13395382 U JP 13395382U JP S5940521 U JPS5940521 U JP S5940521U
Authority
JP
Japan
Prior art keywords
passage
scavenging
stroke diesel
diesel engine
reduction device
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
JP13395382U
Other languages
Japanese (ja)
Inventor
薫 片山
Original Assignee
日産自動車株式会社
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 by 日産自動車株式会社 filed Critical 日産自動車株式会社
Priority to JP13395382U priority Critical patent/JPS5940521U/en
Publication of JPS5940521U publication Critical patent/JPS5940521U/en
Pending legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来のディーゼルエンジンのＮＯｘ低減装置の
概略図、第２図はこの考案の２サイクルデイーゼルエン
ジンのＮＯｘ低減装置の概略図、第３図はディーゼルエ
ンジンの給気比と掃気効率を示す説明図、第４図は第２
図のＮＯｘ低減装置のトルクと残留ガス割合を示す説明
図である。 ２３・・・燃焼室、２４冑掃気通路、２６・・・排気通
路、２７・・・ルーツブロア（送気手段）、２８・・・
還流通路、３０・・・制御弁。Fig. 1 is a schematic diagram of a conventional NOx reduction device for a diesel engine, Fig. 2 is a schematic diagram of a NOx reduction device for a two-stroke diesel engine of this invention, and Fig. 3 shows the air supply ratio and scavenging efficiency of a diesel engine. Explanatory diagram, Figure 4 is the second
FIG. 3 is an explanatory diagram showing the torque and residual gas ratio of the NOx reduction device shown in the figure. 23... Combustion chamber, 24 Scavenging passage, 26... Exhaust passage, 27... Roots blower (air supply means), 28...
Reflux passage, 30... control valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 掃気を燃焼室に導入する掃気通路と、燃焼室内の排気を
排出する排気通路と、を有する２サイクルデイーゼルエ
ンジンにおいて、前記掃気通路に掃気を燃焼室に送り込
む送気手段を設け、該送気手段の掃気通路上流側と下流
側を連通ずる還流通路を形成するとともに該還流通路に
還流される掃気量を調整する制御弁を設け、該制御弁を
運転状態に基づいて制御するようにしたことを特徴とす
る２サイクルデイーゼルエンジンのＮＯｘ低減装置。In a two-stroke diesel engine having a scavenging passage for introducing scavenging air into a combustion chamber and an exhaust passage for discharging exhaust gas from the combustion chamber, the scavenging passage is provided with an air supply means for sending scavenging air into the combustion chamber, and the air supply means A recirculation passage is formed that communicates the upstream side and the downstream side of the scavenging passage, and a control valve is provided to adjust the amount of scavenging air returned to the recirculation passage, and the control valve is controlled based on the operating state. Features: NOx reduction device for 2-stroke diesel engines.
JP13395382U 1982-09-03 1982-09-03 2-stroke diesel engine NOx reduction device Pending JPS5940521U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13395382U JPS5940521U (en) 1982-09-03 1982-09-03 2-stroke diesel engine NOx reduction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13395382U JPS5940521U (en) 1982-09-03 1982-09-03 2-stroke diesel engine NOx reduction device

Publications (1)

Publication Number Publication Date
JPS5940521U true JPS5940521U (en) 1984-03-15

Family

ID=30301986

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13395382U Pending JPS5940521U (en) 1982-09-03 1982-09-03 2-stroke diesel engine NOx reduction device

Country Status (1)

Country Link
JP (1) JPS5940521U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6257733U (en) * 1985-09-30 1987-04-10

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6257733U (en) * 1985-09-30 1987-04-10

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