JPS61164431U

JPS61164431U -

Info

Publication number: JPS61164431U
Application number: JP4825985U
Authority: JP
Priority date: 1985-04-01
Filing date: 1985-04-01
Publication date: 1986-10-13

Description

[Brief explanation of drawings]

第１図〜第７図は本考案にかゝる一実施例を示
すものであり、第１図は上面切欠き平面図、第２
図は側面切欠き側面図、第３図は最大実効長状態
説明図、第４図は中間実効長状態説明図、第５図
は最小実効長状態説明図、第６図はバルブ開閉機
構説明図、第７図はトルク−内燃機関回転数のグ
ラフ、第８図および第９図は従来例にかゝるもの
であり、第８図は側面切欠き側面図、第９図はト
ルク−内燃機関回転数のグラフである。図中、１１……吸気管、１１Ａ……可変管、１
２……隔壁、１２Ａ，１２Ｂ，１２Ｃ……連絡孔
、１４Ａ，１４Ｂ，１４Ｃ……両開きバルブ。 Figures 1 to 7 show one embodiment of the present invention, with Figure 1 being a cutaway plan view of the top surface, and Figure 2
The figure is a side view of the side notch, Figure 3 is an explanatory diagram of the maximum effective length state, Figure 4 is an explanatory diagram of the intermediate effective length state, Figure 5 is an explanatory diagram of the minimum effective length state, and Figure 6 is an explanatory diagram of the valve opening/closing mechanism. , Figure 7 is a graph of torque vs. internal combustion engine speed, Figures 8 and 9 are related to the conventional example, Figure 8 is a side view with a side cutout, and Figure 9 is a graph of torque vs. internal combustion engine. It is a graph of rotation speed. In the figure, 11...Intake pipe, 11A...Variable pipe, 1
2...Partition wall, 12A, 12B, 12C...Communication hole, 14A, 14B, 14C...Double-opening valve.

Claims

[Scope of utility model registration request]

1. A variable tube, characterized in that the inside of the tube is divided into two or more passages by a partition wall extending in the axial direction, and the partition wall is provided with a communicating hole in which a plurality of double-opening valves are attached.