JPH0276143U - - Google Patents
Info
- Publication number
- JPH0276143U JPH0276143U JP15588188U JP15588188U JPH0276143U JP H0276143 U JPH0276143 U JP H0276143U JP 15588188 U JP15588188 U JP 15588188U JP 15588188 U JP15588188 U JP 15588188U JP H0276143 U JPH0276143 U JP H0276143U
- Authority
- JP
- Japan
- Prior art keywords
- combustion chamber
- chamber side
- narrowed portion
- forming
- mentioned
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図は本考案による内燃機関のシリンダヘツ
ドを示す縦断面図、第２図は第１図のシリンダヘ
ツドを燃焼室側より見た平面図、第３図は従来の
シリンダヘツドを示す縦断面図である。
１…シリンダヘツド本体、１ａ…シリンダヘツ
ド、２…吸気ポート、３…排気ポート、４…燃焼
室、５…吸気側バルブシート、６…排気側バルブ
シート、１１ａ，１１ｂ…空隙部。
Fig. 1 is a longitudinal sectional view showing the cylinder head of an internal combustion engine according to the present invention, Fig. 2 is a plan view of the cylinder head shown in Fig. 1 viewed from the combustion chamber side, and Fig. 3 is a longitudinal sectional view showing the conventional cylinder head. It is a diagram. DESCRIPTION OF SYMBOLS 1...Cylinder head body, 1a...Cylinder head, 2...Intake port, 3...Exhaust port, 4...Combustion chamber, 5...Intake side valve seat, 6...Exhaust side valve seat, 11a, 11b...Gap portion.
Claims (1)
側開口端内周面にそれぞれバルブシートを嵌着し
てなる燃焼室において、 燃焼室側における上記両バルブシートと上記シ
リンダヘツド本体の狭窄部との接合面の上記狭窄
部に、所定範囲に亘つて円弧状に、かつ燃焼室側
に開口するテーパ状の空隙部を形成すると共に、
上記狭窄部の燃焼室側における面を曲面で形成し
てなることを特徴とする内燃機関の燃焼室。[Scope of Claim for Utility Model Registration] In a combustion chamber in which a valve seat is fitted to the inner peripheral surface of the opening end of the intake/exhaust port on the combustion chamber side of the cylinder head body, both of the above-mentioned valve seats on the combustion chamber side and the above-mentioned cylinder Forming an arcuate gap over a predetermined range in the narrowed portion of the joint surface with the narrowed portion of the head main body, and forming a tapered gap opening toward the combustion chamber side;
A combustion chamber for an internal combustion engine, characterized in that a surface of the narrowed portion on the combustion chamber side is formed as a curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15588188U JPH0276143U (en) | 1988-11-29 | 1988-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15588188U JPH0276143U (en) | 1988-11-29 | 1988-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0276143U true JPH0276143U (en) | 1990-06-11 |
Family
ID=31433905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15588188U Pending JPH0276143U (en) | 1988-11-29 | 1988-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0276143U (en) |
-
1988
- 1988-11-29 JP JP15588188U patent/JPH0276143U/ja active Pending