JPS58191332U - Direct injection diesel engine - Google Patents

Direct injection diesel engine

Info

Publication number
JPS58191332U
JPS58191332U JP9047382U JP9047382U JPS58191332U JP S58191332 U JPS58191332 U JP S58191332U JP 9047382 U JP9047382 U JP 9047382U JP 9047382 U JP9047382 U JP 9047382U JP S58191332 U JPS58191332 U JP S58191332U
Authority
JP
Japan
Prior art keywords
combustion chamber
diesel engine
piston combustion
direct injection
injection diesel
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
JP9047382U
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 JP9047382U priority Critical patent/JPS58191332U/en
Publication of JPS58191332U publication Critical patent/JPS58191332U/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) [Summary] 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図は従来の直噴式ディーゼル機関要部の断面図、
第２図は同じくピストン頂部の平面図、第３図は本考案
の直噴式ディーゼル機関要部の断面図、第４図は同じ（
ピストン頂部の平面図、第５図は他の実施例要部の断面
図、第６図は同じくピストン頂部の平面図である。 １・・・シリンダヘッド、３・・・ピストン、４・・・
ピストン燃焼室、６・・・燃料噴射ノズル、８・・・中
央突起、９・・・スワール抑制体。, Figure 1 is a cross-sectional view of the main parts of a conventional direct injection diesel engine.
Figure 2 is a plan view of the top of the piston, Figure 3 is a sectional view of the main parts of the direct injection diesel engine of the present invention, and Figure 4 is the same (
FIG. 5 is a sectional view of main parts of another embodiment, and FIG. 6 is a plan view of the top of the piston. 1... Cylinder head, 3... Piston, 4...
Piston combustion chamber, 6... Fuel injection nozzle, 8... Central projection, 9... Swirl suppressor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ピストン頂部に穿設した略円柱状のピストン燃焼室と、
シリンダヘッドに設けて該ピストン燃焼室に臨ませた燃
料噴射ノズルとを備えた直噴式ディーゼル機関において
、前記ピストン燃焼室の底面中央部に、そのピストン燃
焼室に突き出しかつこのピストン燃焼室と略同軸の中央
突起を設け、その中央突起の上部あるいは側部にピスト
ン燃焼室中央上部のスワール速度を減衰させるスワール
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
。A substantially cylindrical piston combustion chamber bored at the top of the piston,
In a direct injection diesel engine equipped with a fuel injection nozzle provided in a cylinder head and facing the piston combustion chamber, the fuel injection nozzle is provided at the center of the bottom surface of the piston combustion chamber, protrudes into the piston combustion chamber, and is substantially coaxial with the piston combustion chamber. 1. A direct injection diesel engine, characterized in that a central protrusion is provided, and a swirl suppressor is provided at the top or side of the central protrusion to attenuate the swirl speed in the upper center of a piston combustion chamber.
JP9047382U 1982-06-17 1982-06-17 Direct injection diesel engine Pending JPS58191332U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9047382U JPS58191332U (en) 1982-06-17 1982-06-17 Direct injection diesel engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9047382U JPS58191332U (en) 1982-06-17 1982-06-17 Direct injection diesel engine

Publications (1)

Publication Number Publication Date
JPS58191332U true JPS58191332U (en) 1983-12-19

Family

ID=30098983

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9047382U Pending JPS58191332U (en) 1982-06-17 1982-06-17 Direct injection diesel engine

Country Status (1)

Country Link
JP (1) JPS58191332U (en)

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