JPS588715U - Side chamber type diesel engine - Google Patents

Side chamber type diesel engine

Info

Publication number
JPS588715U
JPS588715U JP10218281U JP10218281U JPS588715U JP S588715 U JPS588715 U JP S588715U JP 10218281 U JP10218281 U JP 10218281U JP 10218281 U JP10218281 U JP 10218281U JP S588715 U JPS588715 U JP S588715U
Authority
JP
Japan
Prior art keywords
diesel engine
piston
top surface
cavity
convex portion
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
JP10218281U
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 JP10218281U priority Critical patent/JPS588715U/en
Publication of JPS588715U publication Critical patent/JPS588715U/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) [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 drawings]

第１図は従来の渦流室式ディーゼル機関の断面図、第２
図はそのピストン頂面の平面図、第３図はこの考案に係
る渦流室式ディーゼル機関のピストン頂部の断面図、第
４図は同ピストン頂面の平面図、第５、第６図および第
７図は夫々凸部の形状の異なる実施例を示すピストン頂
面の平面図である。 ３・・・・・・ピストン、５・・・・・・渦流室、６・
・・・−・噴口、１１・・・・・・防壁、１２・・・・
・・キャビティ、１３・・間第１凸部、１４・・・・・
・第２凸部、１５・・・・・・第３凸部。Figure 1 is a cross-sectional view of a conventional swirl chamber diesel engine;
The figure is a plan view of the top surface of the piston, FIG. 3 is a sectional view of the top of the piston of the swirl chamber type diesel engine according to this invention, FIG. 4 is a plan view of the top surface of the piston, and FIGS. FIG. 7 is a plan view of the top surface of the piston showing examples in which the shapes of the convex portions are different. 3... Piston, 5... Vortex chamber, 6...
...---Focus, 11...Bulwark, 12...
...Cavity, 13...First convex part, 14...
-Second convex portion, 15...Third convex portion.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 燃料噴射ノズルを備えた副室が噴口を介して主燃焼室に
連通ずる副室式ディーゼル機関において、ピストン頂面
周囲に棒壁を設けて該ピストン頂面にキャビティを形成
するとともに、上記噴口からの火炎噴流を分割案内する
略三角形状の凸部を、上記キャビティ内の上記噴口近傍
位置に設け、か□　つこの略三角形状の凸部により分割
案内される火炎噴流の下流側に、さらに複数の凸部を設
けたことを特徴とする副室式ディーゼル機関。In an auxiliary chamber type diesel engine in which a auxiliary chamber equipped with a fuel injection nozzle communicates with the main combustion chamber via a nozzle, a rod wall is provided around the top surface of the piston to form a cavity on the top surface of the piston, and a cavity is formed on the top surface of the piston. A substantially triangular convex portion for dividing and guiding the flame jet is provided in the cavity at a position near the nozzle opening, and a plurality of approximately triangular convex portions for dividing and guiding the flame jet are provided on the downstream side of the flame jet divided and guided by the approximately triangular convex portion. A pre-chamber diesel engine characterized by having a convex portion.
JP10218281U 1981-07-08 1981-07-08 Side chamber type diesel engine Pending JPS588715U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10218281U JPS588715U (en) 1981-07-08 1981-07-08 Side chamber type diesel engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10218281U JPS588715U (en) 1981-07-08 1981-07-08 Side chamber type diesel engine

Publications (1)

Publication Number Publication Date
JPS588715U true JPS588715U (en) 1983-01-20

Family

ID=29896834

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10218281U Pending JPS588715U (en) 1981-07-08 1981-07-08 Side chamber type diesel engine

Country Status (1)

Country Link
JP (1) JPS588715U (en)

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