JPS5971923U

JPS5971923U - Swirl chamber diesel engine

Info

Publication number: JPS5971923U
Application number: JP16699882U
Authority: JP
Inventors: 孝男鈴木
Original assignee: トヨタ自動車株式会社
Priority date: 1982-11-05
Filing date: 1982-11-05
Publication date: 1984-05-16

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

[Brief explanation of drawings]

第１図は本考案のディーゼルエンジンの要部断面図、第
２図は第１図の装置の■−■線に沿う断面図、第３図は
本考案の他の実施例の要部断面図、第４図は第３図の装
置のＴＶ−ＴＶ線に沿う断面図、第５図は本考案の更に
他の実施例の要部断面図、第６図は本考案の更に他の実
施例の要部断面図、第７図はガスケットの平面図、第８
図は第７図のガスケットの■−■線に沿う断面図、第９
図は他のガスケットの平面図、第１０図は第９図のガス
ケットｘ−Ｘ線に沿う断面図、である。２・・・・・・シリンダブロック、４・・・・・・シリ
ンダヘット、５・・・・・・渦流室、６・・・・・・ロ
アチャンバ、７・・曲噴口、８・・・・・・ピストン、
８ａ・・・・・・燃焼室、９・・・・・・グロープラグ
、１０・・・・・・燃料噴射弁、１０ａ・・・・・・ノ
ズル部、１１・・・・・・連通路、１２．１２’・・・
・・・副噴口、１３．１４・・・・・・ガスケット。Fig. 1 is a sectional view of the main parts of the diesel engine of the present invention, Fig. 2 is a sectional view of the device shown in Fig. 1 along the line ■-■, and Fig. 3 is a sectional view of the main parts of another embodiment of the invention. , FIG. 4 is a cross-sectional view of the device shown in FIG. 3 taken along the TV-TV line, FIG. 5 is a cross-sectional view of a main part of still another embodiment of the present invention, and FIG. 6 is a still another embodiment of the present invention. Fig. 7 is a plan view of the gasket, Fig. 8 is a sectional view of the main part of
The figure is a cross-sectional view of the gasket in Figure 7 along the line ■-■.
The figure is a plan view of another gasket, and FIG. 10 is a sectional view of the gasket taken along the line XX of FIG. 9. 2... Cylinder block, 4... Cylinder head, 5... Vortex chamber, 6... Lower chamber, 7... Bent nozzle, 8... ··piston,
8a... Combustion chamber, 9... Glow plug, 10... Fuel injection valve, 10a... Nozzle section, 11... Communication path , 12.12'...
...Sub-nozzle, 13.14...Gasket.

Claims

[Scope of utility model registration request]

(1) A small-diameter auxiliary nozzle having one end opened in the communication path between the fuel injection valve and the vortex chamber is formed along the vortex chamber, and the other end of the auxiliary nozzle is opened toward the combustion chamber. Swirl chamber diesel engine.

(2) The swirl chamber type diesel engine according to claim 1, wherein the other end of the sub-nozzle is opened directly into the combustion chamber.

(3) The swirl chamber type diesel engine according to claim 1, wherein the other end of the auxiliary nozzle is opened to a nozzle communicating the swirl chamber and the combustion chamber.

(4) Opening the other end of the sub-nozzle to the swirl chamber.
A swirl chamber type diesel engine according to Claim 1 of the Utility Model Registration Claim.

(5) The swirl chamber type diesel engine according to claim 1, which is provided with a plurality of the sub-nozzles.

(6) The vortex flow according to claim 1, wherein the one end of the auxiliary nozzle is opened to the communication passage through a gasket interposed between the fuel injection valve and the cylinder head. Chamber diesel engine.

(7) The swirl chamber type diesel engine according to claim 6, which is a registered utility model, wherein an annular passage is formed in the gasket, and the annular passage and the communication passage communicate with each other through a plurality of openings.