JPS6331260U - - Google Patents
Info
- Publication number
- JPS6331260U JPS6331260U JP12404386U JP12404386U JPS6331260U JP S6331260 U JPS6331260 U JP S6331260U JP 12404386 U JP12404386 U JP 12404386U JP 12404386 U JP12404386 U JP 12404386U JP S6331260 U JPS6331260 U JP S6331260U
- Authority
- JP
- Japan
- Prior art keywords
- diesel engine
- injects fuel
- injection
- injection nozzle
- wall surface
- 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
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 2
- 239000000446 fuel Substances 0.000 claims 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図は本考案の一実施例に係る直接噴射式デ
イーゼルエンジンの弁間部冷却構造の断面図、第
２図は第１図の底面図、第３図は第２図の―
線に沿う断面図、第４図は従来の直接噴射式デイ
ーゼルエンジンにおける噴射ノズル近傍の断面図
、第５図はエンジン出力と弁間部温度との関係を
示した関係図、である。
１１……シリンダヘツド、１２……噴射ノズル
、１４……吸気バルブ、１５……排気バルブ、１
６……弁間部、１６ａ……弁間部壁面、１９……
噴孔、２０……副噴孔。
Fig. 1 is a cross-sectional view of the intervalve cooling structure of a direct injection diesel engine according to an embodiment of the present invention, Fig. 2 is a bottom view of Fig. 1, and Fig. 3 is a view of Fig. 2.
FIG. 4 is a cross-sectional view of the vicinity of the injection nozzle in a conventional direct injection diesel engine, and FIG. 5 is a relationship diagram showing the relationship between engine output and intervalve temperature. 11...Cylinder head, 12...Injection nozzle, 14...Intake valve, 15...Exhaust valve, 1
6... Valve area, 16a... Valve area wall surface, 19...
Nozzle hole, 20...Sub-nozzle hole.
Claims (1)
接噴射式デイーゼルエンジンにおいて、前記噴射
ノズルに、燃料をシリンダヘツドの弁間部壁面に
向けて噴射する副噴孔を設けたことを特徴とする
直接噴射式デイーゼルエンジンの弁間部冷却構造
。 A direct injection diesel engine that injects fuel directly from an injection nozzle into a combustion chamber, characterized in that the injection nozzle is provided with a sub injection hole that injects fuel toward a wall surface between valves of a cylinder head. Valve cooling structure for diesel engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12404386U JPS6331260U (en) | 1986-08-14 | 1986-08-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12404386U JPS6331260U (en) | 1986-08-14 | 1986-08-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6331260U true JPS6331260U (en) | 1988-02-29 |
Family
ID=31015698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12404386U Pending JPS6331260U (en) | 1986-08-14 | 1986-08-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6331260U (en) |
-
1986
- 1986-08-14 JP JP12404386U patent/JPS6331260U/ja active Pending