JPH0317105U

JPH0317105U -

Info

Publication number: JPH0317105U
Application number: JP7589889U
Authority: JP
Priority date: 1989-06-27
Filing date: 1989-06-27
Publication date: 1991-02-20

Description

[Brief explanation of drawings]

第１，２図は本考案の第１実施例としてのオフ
セツト型きのこ弁付きエンジンを示すもので、第
１図はその要部を示す模式的断面図、第２図ａは
その弁の模式的平面図、第２図ｂはその弁の模式
的正面図であり、第３図ａ，ｂは本考案の第２実
施例としてのオフセツト型きのこ弁付きエンジン
を示すもので、第３図ａはその模式的平面図、第
３図ｂはその模式的正面図であり、第４図ａ，ｂ
は本考案の第３実施例としてのオフセツト型きの
こ弁付きエンジンを示すもので、第４図ａはその
模式的平面図、第４図ｂはその模式的正面図であ
り、第５図ａ，ｂは本考案の第４実施例としての
オフセツト型きのこ弁付きエンジンを示すもので
、第５図ａはその模式的平面図、第５図ｂはその
模式的正面図であり、第６図は本考案の第５実施
例としてのオフセツト型きのこ弁付きエンジンを
示す模式的正面図であり、第７，８図は従来のエ
ンジンにおける弁装置を示すもので、第７図はそ
の取付け状態を示す模式的断面図、第８図ａはそ
の弁の平面図、第８図ｂはその弁の正面図である
。１……燃焼室、２……シリンダヘツド、２ａ…
…吸気口、３……弁、３ａ……円錐面、３ｂ……
弁ステム、３ｃ……弁体、３ｄ……シートフエー
ス、Ａ……弁ステム３ｂの軸心線、Ｂ……きのこ
形状の弁体３ｃの軸心線。 Figures 1 and 2 show an engine with an offset type mushroom valve as a first embodiment of the present invention. Figure 1 is a schematic sectional view showing the main parts thereof, and Figure 2a is a schematic diagram of the valve. The plan view, FIG. 2b is a schematic front view of the valve, FIGS. 3a and b show an engine with an offset type mushroom valve as a second embodiment of the present invention, and FIG. 3a is a schematic front view of the valve. Its schematic plan view, FIG. 3b is its schematic front view, and FIGS. 4a and b
4 shows an engine with an offset type mushroom valve as a third embodiment of the present invention, FIG. 4a is a schematic plan view thereof, FIG. 4b is a schematic front view thereof, and FIGS. 5b shows an engine with an offset type mushroom valve as a fourth embodiment of the present invention, FIG. 5a is a schematic plan view thereof, FIG. 5b is a schematic front view thereof, and FIG. FIG. 7 is a schematic front view showing an engine with an offset type mushroom valve as a fifth embodiment of the present invention, and FIGS. 7 and 8 show a valve device in a conventional engine, and FIG. 7 shows its installed state. A schematic sectional view, FIG. 8a is a plan view of the valve, and FIG. 8b is a front view of the valve. 1... Combustion chamber, 2... Cylinder head, 2a...
...Intake port, 3...Valve, 3a...Conical surface, 3b...
Valve stem, 3c... Valve body, 3d... Seat face, A... Axis line of valve stem 3b, B... Axis line of mushroom-shaped valve body 3c.

Claims

[Scope of utility model registration request]

An engine is equipped with a valve device for opening and closing a combustion chamber, and the valve stem of the valve device is formed so that its axis is offset from the axis of the conical shift face of the mushroom-shaped valve body. An engine with an offset type mushroom valve.