JPH03110148U

JPH03110148U -

Info

Publication number: JPH03110148U
Application number: JP1970890U
Authority: JP
Priority date: 1990-02-28
Filing date: 1990-02-28
Publication date: 1991-11-12

Description

[Brief explanation of drawings]

第１図は、この考案の一実施例を示す排気切替
弁の断面図、第２図は、第１図の−部位の断
面図、第３図は、同実施例の排気切替弁の配置状
態を示す図、第４図は、同実施例のバタフライ弁
の開弁時を示す部分断面図、第５図は、第４図の
方向から見た図、第６図は、同実施例のバタフ
ライ弁が微小角度開いた状態を示す部分断面図、
第７図は、第６図の方向から見た図、第８図は
、整流板の他の変形例を示す図、第９図は、第８
図のバタフライ弁が全開した状態を側方から見た
図、第１０図〜第１３図は、それぞれ、整流板の
さらに他の変形例を示す図、第１４図は、従来例
を示す図である。１，１１……ボデー、２，１２，排気流路、３
，１３……バタフライ弁、４，１４……弁軸、１
０……排気管、１３ａ……整流板、Ｂ０，Ｂ１…
…排気切替弁。 Fig. 1 is a cross-sectional view of an exhaust switching valve showing an embodiment of this invention, Fig. 2 is a sectional view of the - portion of Fig. 1, and Fig. 3 is a diagram showing the arrangement of the exhaust switching valve of the same embodiment. FIG. 4 is a partial sectional view showing the butterfly valve of the same embodiment when the valve is open, FIG. 5 is a view seen from the direction of FIG. 4, and FIG. A partial cross-sectional view showing the state where the valve is opened at a small angle,
7 is a view seen from the direction of FIG. 6, FIG. 8 is a view showing another modification of the current plate, and FIG.
The butterfly valve shown in the figure is a side view of the state in which it is fully open, and FIGS. 10 to 13 are views showing still other modified examples of the rectifying plate, and FIG. 14 is a view showing a conventional example. be. 1, 11...Body, 2, 12, Exhaust flow path, 3
, 13... Butterfly valve, 4, 14... Valve stem, 1
0... Exhaust pipe, 13a... Current plate, B0, B1...
...Exhaust switching valve.

Claims

[Claims for Utility Model Registration] An exhaust switching valve for an internal combustion engine, comprising a body having an exhaust flow path, and a butterfly valve disposed in the exhaust flow path and having a valve shaft supported by the body. . An exhaust gas switching valve for an internal combustion engine, wherein the butterfly valve is provided with a plurality of rectifying plates extending along the exhaust flow path in a direction orthogonal to the valve shaft.