JPS58146820U - Combustion chamber structure of direct injection diesel engine - Google Patents

Combustion chamber structure of direct injection diesel engine

Info

Publication number
JPS58146820U
JPS58146820U JP4307582U JP4307582U JPS58146820U JP S58146820 U JPS58146820 U JP S58146820U JP 4307582 U JP4307582 U JP 4307582U JP 4307582 U JP4307582 U JP 4307582U JP S58146820 U JPS58146820 U JP S58146820U
Authority
JP
Japan
Prior art keywords
combustion chamber
diesel engine
direct injection
injection diesel
piston
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
JP4307582U
Other languages
Japanese (ja)
Inventor
幸雄 松井
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 JP4307582U priority Critical patent/JPS58146820U/en
Publication of JPS58146820U publication Critical patent/JPS58146820U/en
Pending legal-status Critical Current

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  • Combustion Methods Of Internal-Combustion Engines (AREA)

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 drawings]

第１図Ａ、　Ｂは従来例を示す機関要部の断面図及びピ
ストン頂面の平面図、第２図Ａ、　Ｂは本考案の一実施
例を示す機関要部の断面図及びピストン頂面の平面図、
第３図Ａ、　Ｂは他の実施例を示す機関要部の断面図及
びピストン頂面の平面図である。 ２・・・ピストン、３・・・ピストン燃焼室、６・・・
燃料噴射ノズル、１０・・・鋸歯状突起、１１・・・鋸
歯状溝。 第２図 第３図Figures 1A and B are a sectional view of the main engine part and a plan view of the top surface of the piston, showing a conventional example, and Figures 2A and B are a sectional view of the main part of the engine and a top view of the piston, showing an embodiment of the present invention. plan view of
FIGS. 3A and 3B are a sectional view of the main engine part and a plan view of the top surface of the piston, showing another embodiment. 2... Piston, 3... Piston combustion chamber, 6...
Fuel injection nozzle, 10... Serrated projection, 11... Serrated groove. Figure 2 Figure 3

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ピストンの頂面にピストン燃焼室を凹設し、このピスト
ン燃焼室に燃料噴射ノズルを臨ませてなる直噴式ディー
ゼル機関において、燃料噴射ノズルの噴孔からの燃料噴
霧が到達する点より上側のピストン燃焼室の側壁に、ス
ワール流速を減衰させる流れ抑制体を設けたことを特徴
とする直噴式ディーゼル機関の燃焼室構造。In a direct injection diesel engine in which a piston combustion chamber is recessed in the top surface of the piston and a fuel injection nozzle faces the piston combustion chamber, the piston above the point where the fuel spray from the nozzle of the fuel injection nozzle reaches. A combustion chamber structure for a direct injection diesel engine, characterized in that a flow suppressor is provided on the side wall of the combustion chamber to attenuate swirl flow velocity.
JP4307582U 1982-03-29 1982-03-29 Combustion chamber structure of direct injection diesel engine Pending JPS58146820U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4307582U JPS58146820U (en) 1982-03-29 1982-03-29 Combustion chamber structure of direct injection diesel engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4307582U JPS58146820U (en) 1982-03-29 1982-03-29 Combustion chamber structure of direct injection diesel engine

Publications (1)

Publication Number Publication Date
JPS58146820U true JPS58146820U (en) 1983-10-03

Family

ID=30054169

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4307582U Pending JPS58146820U (en) 1982-03-29 1982-03-29 Combustion chamber structure of direct injection diesel engine

Country Status (1)

Country Link
JP (1) JPS58146820U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0693864A (en) * 1992-09-16 1994-04-05 Shinnenshiyou Syst Kenkyusho:Kk Combustion chamber of direct injection diesel engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0693864A (en) * 1992-09-16 1994-04-05 Shinnenshiyou Syst Kenkyusho:Kk Combustion chamber of direct injection diesel engine

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