JPS6453422U - - Google Patents
Info
- Publication number
- JPS6453422U JPS6453422U JP14980687U JP14980687U JPS6453422U JP S6453422 U JPS6453422 U JP S6453422U JP 14980687 U JP14980687 U JP 14980687U JP 14980687 U JP14980687 U JP 14980687U JP S6453422 U JPS6453422 U JP S6453422U
- Authority
- JP
- Japan
- Prior art keywords
- sub
- opens
- cylinder head
- combustion chamber
- closes
- 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 7
- 238000009413 insulation Methods 0.000 description 1
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図は本考案の一実施例を示す燃焼室をシリ
ンダ側から見た図、第２図は同図Ａ−Ａ線に沿う
縦断面図、第３図は同図Ｂ−Ｂ線に沿う縦断面図
である。第４図は他の実施例を示す縦断面図であ
る。
１……シリンダヘツド、１Ａ……内壁面、４…
…燃焼室、５……主吸気弁、６……副吸気弁、７
……排気弁、８……点火プラグ、１１……主吸気
ポート、１２……副吸気ポート、１５……遮断弁
、１６……遮熱板、１７……断熱空間、１８……
小孔、２０……取入口。
Fig. 1 is a view of a combustion chamber showing an embodiment of the present invention as seen from the cylinder side, Fig. 2 is a longitudinal sectional view taken along line A-A in the same figure, and Fig. 3 is a view taken along line B-B in the same figure. FIG. FIG. 4 is a longitudinal sectional view showing another embodiment. 1...Cylinder head, 1A...Inner wall surface, 4...
...Combustion chamber, 5...Main intake valve, 6...Sub-intake valve, 7
... Exhaust valve, 8 ... Spark plug, 11 ... Main intake port, 12 ... Sub-intake port, 15 ... Shutoff valve, 16 ... Heat shield plate, 17 ... Heat insulation space, 18 ...
Small hole, 20... intake.
Claims (1)
運転条件に応じて開閉作動する遮断弁が介装され
る副吸気ポートと、この副吸気ポートを機関に同
期して開閉する副吸気弁を備える火花点火式内燃
機関において、シリンダヘツドには燃焼室に面し
て遮熱板を取付け、この遮熱板とシリンダヘツド
の内壁面の間に断熱空間を画成するとともに、こ
の遮熱板とシリンダヘツドの内壁面の間に前記副
吸気弁によつて開閉される新気取入口を形成した
ことを特徴とする火花点火式内燃機関の燃焼室。 a main intake port that is opened and closed via a main intake valve;
In a spark-ignition internal combustion engine, which is equipped with a sub-intake port equipped with a shutoff valve that opens and closes depending on operating conditions, and a sub-intake valve that opens and closes this sub-intake port in synchronization with the engine, the cylinder head has a combustion chamber. A heat shield plate is installed facing the cylinder head, and a heat insulating space is defined between the heat shield plate and the inner wall surface of the cylinder head. A combustion chamber of a spark ignition internal combustion engine, characterized in that a fresh air intake is formed that opens and closes with the opening and closing of the combustion chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14980687U JPS6453422U (en) | 1987-09-30 | 1987-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14980687U JPS6453422U (en) | 1987-09-30 | 1987-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6453422U true JPS6453422U (en) | 1989-04-03 |
Family
ID=31422372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14980687U Pending JPS6453422U (en) | 1987-09-30 | 1987-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6453422U (en) |
-
1987
- 1987-09-30 JP JP14980687U patent/JPS6453422U/ja active Pending