JPS615327U

JPS615327U - Intake system for multi-cylinder internal combustion engine

Info

Publication number: JPS615327U
Application number: JP9061884U
Authority: JP
Inventors: 康雄吉川
Original assignee: 日産自動車株式会社
Priority date: 1984-06-18
Filing date: 1984-06-18
Publication date: 1986-01-13

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〜第４図は本考案の第１実施例を示す図であり、
第１図はその全体概略図、第２図はその要部拡大断面図
、第３図は第２図の■−■矢視断面図、第４図Ａ−Ｃは
その調整機構のハウジングと内筒を示し、第４図Ａは内
筒の展開図、第４図Ｂは内筒の拡大斜視図、第４図Ｃは
ハウシングの拡大斜視図、第５，６図は本考案の第２実
施例を宗す図であり、第５図はその全体概略図、第６図
Ａ−Ｃはその調整機構を示し、第６図Ａはその正面断面
図、第６図Ｂはその上面断面図、第６図Ｃは第６図Ｂの
Ｃ−Ｃ矢視断面図、第７，８図は本考案の第３実施例を
示す図であり、第７図はその全体概略図、第８図Ａ−Ｃ
はその調整機構を示し、第８図Ａはその正面断面図、第
８図Ｂはその上面断面図、第８図Ｃは第８図ＡのＣ−Ｃ
矢視断面図、第９，１０図は従来の多気筒内燃機関の吸
気装置を示す図であり、第９図はその全体概略図、第１
０図は第９図のＸ−Ｘ矢視断面図である。１１・・・・・・吸気通路、１２・・・・・・集合部、
１３・・・・・・隔壁、１５，１６，１７，１８，１９
，２０・・・・・・吸気ポート、２１，４１．５１・・
・・・・調整機構。1 to 4 are diagrams showing a first embodiment of the present invention,
Figure 1 is an overall schematic diagram of the system, Figure 2 is an enlarged cross-sectional view of its main parts, Figure 3 is a cross-sectional view of Figure 2 taken along the ■-■ arrow, and Figures 4 A-C are the housing and interior of the adjustment mechanism. Figure 4A is a developed view of the inner cylinder, Figure 4B is an enlarged perspective view of the inner cylinder, Figure 4C is an enlarged perspective view of the housing, and Figures 5 and 6 are a second implementation of the present invention. FIG. 5 is a general schematic diagram of the example, FIG. 6 A-C shows its adjustment mechanism, FIG. 6 A is a front sectional view thereof, FIG. 6 B is a top sectional view thereof, FIG. 6C is a sectional view taken along the line CC in FIG. 6B, FIGS. 7 and 8 are views showing the third embodiment of the present invention, FIG. -C
8A shows the adjustment mechanism, FIG. 8A is a front sectional view thereof, FIG. 8B is a top sectional view thereof, and FIG. 8C is a line C-C in FIG. 8A.
9 and 10 are views showing the intake system of a conventional multi-cylinder internal combustion engine, and FIG.
0 is a sectional view taken along the line X-X in FIG. 9. 11...Intake passage, 12...Collection part,
13... Bulkhead, 15, 16, 17, 18, 19
, 20... Intake port, 21, 41.51...
...adjustment mechanism.

Claims

[Scope of utility model registration request]

A partition wall is formed in the gathering part of the intake passages that communicate with the intake ports of each cylinder of a multi-cylinder internal combustion engine to divide the gathering part into two from the middle, and each divided gathering part is connected to the cylinders whose intake strokes are not continuous with each other. An intake system for a multi-cylinder internal combustion engine in which intake ports are communicated with each other, characterized in that an adjustment mechanism for changing the substantial length of the partition wall based on the rotational speed of the engine is attached to the tip of the partition wall. Engine intake system.