JPS59115822U

JPS59115822U - Internal combustion engine intake system

Info

Publication number: JPS59115822U
Application number: JP837083U
Authority: JP
Inventors: 正憲小森; 佐竹　忠
Original assignee: 日産ディーゼル工業株式会社
Priority date: 1983-01-26
Filing date: 1983-01-26
Publication date: 1984-08-04
Also published as: JPH0231545Y2

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 the drawing]

第１図Ａは従来のスワール生成型吸気ポートの構造の一
例を示す断面図、同図Ｂは同図ＡのＡ−Ａ矢視断面図、
第２図Ａは本考案の一実施例を示す断面図、同図Ｂは同
図ＡのＢ−Ｂ矢視断面図、第３図は本考案の第２の実施
例を示す断面図、第４図Ａは本考案の第３の実施例を示
す断面図、同図Ｂは同図ＡのＣ−Ｃ矢視断面図、同図Ｃ
け同上実施例の平面図、第５図Ａは本考案の第４の実施
例を示す断面図、同図Ｂは同上実施例の平面図である。１２・・・吸気バルブ、１３・・・ポートドーム、１４
・・・吸気ポート、１４Ａ・・・内径側側壁、１４Ｂ・
・・外径側側壁、１６・・・支軸、１７・・・作動レバ
ー、１８・・・スワール制御片、１９・・・操作レバー
、２０・・・ロッド、２１・・・ピストン、２２・・・
シリンダブラケット、２３・・・スプリング、２４・・
・室、２５・・・電磁弁、２６・・・配管、２７・・・
ニアリザーバ、２８・・・エンジン回転数検出スイッチ
、２９・・・電源、３２・・・ステー、３３・・・係合
部材、３３ａ・・・長孔。 ′　　　泊　　　ド　　′ ｒ３１４ＣＢ）へ団　Ａ１−隆状−１４１ぎ　゛（Ｃ）FIG. 1A is a cross-sectional view showing an example of the structure of a conventional swirl-generating intake port, and FIG. 1B is a cross-sectional view taken along the line A-A in FIG.
FIG. 2A is a sectional view showing one embodiment of the present invention, FIG. 2B is a sectional view taken along the line B-B of FIG. 4. Figure A is a cross-sectional view showing the third embodiment of the present invention, Figure B is a cross-sectional view taken along the line C-C of Figure A, and Figure C is a cross-sectional view of the third embodiment of the present invention.
FIG. 5A is a sectional view showing a fourth embodiment of the present invention, and FIG. 5B is a plan view of the same embodiment. 12... Intake valve, 13... Port dome, 14
...Intake port, 14A...Inner diameter side wall, 14B.
... Outer diameter side wall, 16... Support shaft, 17... Operating lever, 18... Swirl control piece, 19... Operating lever, 20... Rod, 21... Piston, 22...・・・
Cylinder bracket, 23...Spring, 24...
・Chamber, 25... Solenoid valve, 26... Piping, 27...
Near reservoir, 28... Engine speed detection switch, 29... Power supply, 32... Stay, 33... Engagement member, 33a... Long hole. ' Tomari do ' r314 CB) He group A1-ridge-14 1st ゛ (C)

Claims

[Scope of utility model registration request]

In an intake system for an internal combustion engine, which includes a swirl-generating intake port that is bent so as to be connected in the tangential direction of a port dome connected to an intake valve seat, the intake device is arranged near the outlet of the intake port in parallel to the axial direction of the intake valve. a rod-shaped swirl control piece, a link mechanism in which the swirl control piece is movably connected within an intake port, and a position where the moving position of the swirl control piece is controlled by driving the link mechanism according to the engine operating state. An intake device for an internal combustion engine, comprising: a control means.