JPS6129026U

JPS6129026U - Internal combustion engine intake system

Info

Publication number: JPS6129026U
Application number: JP11542484U
Authority: JP
Inventors: 茂亀ケ谷; 九五浜井
Original assignee: 日産自動車株式会社
Priority date: 1984-07-27
Filing date: 1984-07-27
Publication date: 1986-02-21

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

[Brief explanation of drawings]

第１図および第２図Ａ，Ｂ，Ｃ．Ｄはこの考案に
係る内燃機関の吸気装置の一実施例を示すもので、第１
図はその底面断面図、第２図Ａ．Ｂ，Ｃ，Ｄは第１図の
ＩＩＡ−Ｉ［Ａ，ｎＢ−Ｉ［Ｂ，Ｉ［Ｃ−ｎｃ，および
ＩＩＤ一ＩＩＤの−各矢視図、第３図および第４図Ａ
，Ｂ，Ｃはこの考案の他の実施例を示すもので、第
３図はその底面断面図、第４図Ａ，Ｂ，Ｃは第３図
のｒＶＡ−ＩＶＡ，ｒＶＢ，ＩＶＢおよびｒＶｃ＝ｒＶ
ｃの各矢視図、第６図および第６図”Ａ，Ｂ，Ｃは
この考案のさらに他の実施例を示したもので、第５図は
その底面断面図、第６図Ａ，Ｂ，Ｃは第５図のＶＩＡ
−ＶＩＡ，ＶＩＢ−ＶＩＢ，およびＶＩＣ−ＶＩＣの各
矢視図、第７図は従来の吸気装置の底面断面図である。２２Ａ，２２Ｂ・・・・・・吸気ポート、２２Ｃ・・・
・・・底面、２４・・・・・・燃焼室、２６・・・・・
・吸気マニホルド、２７・・・・・・開閉弁（遮断弁）
、２８・・・・・・点火栓、２２Ｄ，３０．３１・
・・・・・溝。Figures 1 and 2 A, B, C. D shows one embodiment of the intake system for an internal combustion engine according to this invention;
The figure is a sectional view of the bottom, and Figure 2A. B, C, and D are IIA-I[A, nB-I[B, I[C-nc, and IID] of Fig. 1, and Fig. 3 and Fig. 4 A.
, B, and C show other embodiments of this invention, and FIG. 3 is a bottom sectional view thereof, and FIG. 4 A, B, and C are rVA-IVA, rVB, IVB, and rVc=rV in FIG.
6 and 6"A, B, and C show still other embodiments of this invention, and FIG. 5 is a bottom sectional view thereof, and FIGS. 6A and B. , C is VIA in Figure 5
-VIA, VIB-VIB, and VIC-VIC, and FIG. 7 is a bottom sectional view of a conventional intake device. 22A, 22B... Intake port, 22C...
...bottom, 24...combustion chamber, 26...
・Intake manifold, 27...Open/close valve (shutoff valve)
, 28... Spark plug, 22D, 30. 31・
·····groove.

Claims

[Scope of utility model registration request]

A pair of intake coots are arranged for each cylinder, each having one end opening into the combustion chamber and the other end opening into the intake manifold, an ignition plug arranged in the combustion chamber facing one of these intake ports, and an engine. an on-off valve that opens and closes the one intake port depending on the operating state of the intake port, and a guide provided at the bottom of the one intake port to introduce fuel into the combustion chamber in a direction toward the inner circumferential wall surface of each air vent. An intake device for an internal combustion engine characterized by being provided with a groove.