JPH02144606U - - Google Patents
Info
- Publication number
- JPH02144606U JPH02144606U JP5389789U JP5389789U JPH02144606U JP H02144606 U JPH02144606 U JP H02144606U JP 5389789 U JP5389789 U JP 5389789U JP 5389789 U JP5389789 U JP 5389789U JP H02144606 U JPH02144606 U JP H02144606U
- Authority
- JP
- Japan
- Prior art keywords
- stem
- valve
- head
- heat treatment
- 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
- 238000010438 heat treatment Methods 0.000 claims description 2
Landscapes
- Lift Valve (AREA)
Description
第１図は本考案に係るエンジンのバルブの要部
拡大図、第２図はバルブステムの上部の要部断面
図、第３図は第２図の一部拡大図である。
１…バルブステム、１ａ…ステムヘツド、１ｂ
…コツタ溝、１ｄ…表面熱処理部。
FIG. 1 is an enlarged view of a main part of an engine valve according to the present invention, FIG. 2 is a sectional view of a main part of the upper part of a valve stem, and FIG. 3 is a partially enlarged view of FIG. 2. 1... Valve stem, 1a... Stem head, 1b
...Kottata groove, 1d...Surface heat treatment part.
Claims (1)
当該ステムヘツドの頂部から少なくともコツタ溝
の下端近傍まで表面熱処理を施したことを特徴と
するエンジンのバルブ。 Lower the height of the valve stem stem head,
1. A valve for an engine, characterized in that a surface heat treatment is applied from the top of the stem head to at least the vicinity of the lower end of the stem groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5389789U JPH02144606U (en) | 1989-05-12 | 1989-05-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5389789U JPH02144606U (en) | 1989-05-12 | 1989-05-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02144606U true JPH02144606U (en) | 1990-12-07 |
Family
ID=31575479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5389789U Pending JPH02144606U (en) | 1989-05-12 | 1989-05-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02144606U (en) |
-
1989
- 1989-05-12 JP JP5389789U patent/JPH02144606U/ja active Pending