JPS60185006U - engine valve mechanism - Google Patents
engine valve mechanismInfo
- Publication number
- JPS60185006U JPS60185006U JP7208584U JP7208584U JPS60185006U JP S60185006 U JPS60185006 U JP S60185006U JP 7208584 U JP7208584 U JP 7208584U JP 7208584 U JP7208584 U JP 7208584U JP S60185006 U JPS60185006 U JP S60185006U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve seat
- poppet
- valve mechanism
- engine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
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
第１図は、本考案の第１の実施例に係るエンジンの弁機
構の一部分の縦断面図、第２図は、エンジンの弁機構の
縦断面図、第３図は、従来のエンジンの弁機構の一部分
の縦断面図、第４図は、ポペット弁の傘部と弁座とが面
当り状態にある従来のエンジンの弁機構の一部分の縦断
面図、第５図。
は、ポペット弁の傘部と金属層とが面当り状態にある本
考案の第１の実施例に係るエンジンの弁機構の一部分の
縦断面図、第６図は、本考案の第２の実施例に係るエン
ジンの弁機構の一部分の縦断面図である。
１・・・エンジンの弁機構、２・・・シリンダヘッド、
３・・・ポペット弁、４・・・燃焼室、５・・・弁ポー
ト、６・・・ステム部、７・・・傘部、訃・・弁座、９
・・・傘部のうちポペット弁の傘部が当接する部分、１
０・・・金属層。FIG. 1 is a longitudinal sectional view of a portion of the engine valve mechanism according to the first embodiment of the present invention, FIG. 2 is a longitudinal sectional view of the engine valve mechanism, and FIG. 3 is a conventional engine valve mechanism. FIG. 4 is a vertical cross-sectional view of a portion of the mechanism, and FIG. 5 is a vertical cross-sectional view of a portion of a conventional engine valve mechanism in which the poppet valve head and valve seat are in a face-to-face state. 6 is a longitudinal cross-sectional view of a portion of the engine valve mechanism according to the first embodiment of the present invention, in which the umbrella portion of the poppet valve and the metal layer are in a face-to-face state, and FIG. FIG. 3 is a longitudinal cross-sectional view of a portion of the valve mechanism of the engine according to the example. 1... Engine valve mechanism, 2... Cylinder head,
3... Poppet valve, 4... Combustion chamber, 5... Valve port, 6... Stem part, 7... Umbrella part, butt part... Valve seat, 9
...The part of the umbrella part that the umbrella part of the poppet valve comes into contact with, 1
0...Metal layer.
Claims (1)
ッドにはエンジンの燃焼室に開口する弁ポートが設けら
れており、前記ポペット弁はステム部と該ステム部の先
端に連設されている傘部とから構成されており、前記弁
ポートには円環状の弁座が取り付けられており、該弁座
は前記ポペット弁の傘部によって開閉可能とされており
、前記弁座のうち前記ポペット弁の傘部が当接する部分
には、前記弁座及び前記ポペット弁の傘部よりも硬度の
低い金属でできた金属層が設けられていることを特徴と
するエンジンの弁機構。It has a cylinder head and a poppet valve, the cylinder head is provided with a valve port that opens into the combustion chamber of the engine, and the poppet valve includes a stem part and an umbrella part connected to the tip of the stem part. An annular valve seat is attached to the valve port, and the valve seat can be opened and closed by the umbrella portion of the poppet valve, and the valve seat is configured to have a ring-shaped valve seat attached to the valve port. A valve mechanism for an engine, characterized in that a metal layer made of a metal whose hardness is lower than that of the valve seat and the poppet valve cap is provided in a portion that the cap comes into contact with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7208584U JPS60185006U (en) | 1984-05-17 | 1984-05-17 | engine valve mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7208584U JPS60185006U (en) | 1984-05-17 | 1984-05-17 | engine valve mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60185006U true JPS60185006U (en) | 1985-12-07 |
Family
ID=30610168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7208584U Pending JPS60185006U (en) | 1984-05-17 | 1984-05-17 | engine valve mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60185006U (en) |
-
1984
- 1984-05-17 JP JP7208584U patent/JPS60185006U/en active Pending
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