JPH0310005U - - Google Patents
Info
- Publication number
- JPH0310005U JPH0310005U JP7218489U JP7218489U JPH0310005U JP H0310005 U JPH0310005 U JP H0310005U JP 7218489 U JP7218489 U JP 7218489U JP 7218489 U JP7218489 U JP 7218489U JP H0310005 U JPH0310005 U JP H0310005U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- exhaust
- intake
- port
- ports
- 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
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 229910010293 ceramic material Inorganic materials 0.000 claims 1
- 238000005507 spraying Methods 0.000 claims 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図ないし第３図は本考案の一実施例を示し
、第１図はシリンダヘツド要部の縦断面図、第２
図はその組立状態の縦断面図、第３図は弁の一部
縦断面図、第４図および第５図は本考案の従来例
を示し、第４図はシリンダヘツド要部の縦断面図
、第５図は弁の一部縦断面図である。
２……給気ポート、３……排気ポート、４，５
……弁座、６……給気弁、７……排気弁、１４…
…バルブフエース面、２０，２１……耐摩耗被膜
。
1 to 3 show an embodiment of the present invention, in which FIG. 1 is a vertical sectional view of the main part of the cylinder head, and FIG.
The figure is a longitudinal sectional view of the assembled state, FIG. 3 is a partial vertical sectional view of the valve, FIGS. 4 and 5 show a conventional example of the present invention, and FIG. 4 is a longitudinal sectional view of the main part of the cylinder head. , FIG. 5 is a partial vertical sectional view of the valve. 2...Air supply port, 3...Exhaust port, 4,5
...Valve seat, 6...Air supply valve, 7...Exhaust valve, 14...
...Valve face surface, 20, 21...wear-resistant coating.
Claims (1)
、これら給気ポートおよび排気ポートの端部に形
成される弁座を吸気弁および排気弁で開閉自在と
したものにおいて、上記吸気ポートおよび排気ポ
ートの各弁座周面もしくは給気弁、排気弁のバル
ブフエース面をセラミツク材を溶射してなる耐摩
耗被膜で覆つたことを特徴とするエンジンのシリ
ンダヘツド構造。 In a device that is equipped with an intake port and an exhaust port, and in which valve seats formed at the ends of these intake ports and exhaust ports can be opened and closed by the intake valve and the exhaust valve, the circumference of each valve seat of the intake port and exhaust port is An engine cylinder head structure characterized in that the valve face surfaces of the intake valve and exhaust valve are covered with a wear-resistant coating made by thermally spraying ceramic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7218489U JPH0310005U (en) | 1989-06-20 | 1989-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7218489U JPH0310005U (en) | 1989-06-20 | 1989-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0310005U true JPH0310005U (en) | 1991-01-30 |
Family
ID=31609899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7218489U Pending JPH0310005U (en) | 1989-06-20 | 1989-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0310005U (en) |
-
1989
- 1989-06-20 JP JP7218489U patent/JPH0310005U/ja active Pending