JPS63156418U - - Google Patents
Info
- Publication number
- JPS63156418U JPS63156418U JP4819587U JP4819587U JPS63156418U JP S63156418 U JPS63156418 U JP S63156418U JP 4819587 U JP4819587 U JP 4819587U JP 4819587 U JP4819587 U JP 4819587U JP S63156418 U JPS63156418 U JP S63156418U
- Authority
- JP
- Japan
- Prior art keywords
- reentrant
- diesel engine
- fuel
- combustion chamber
- lip
- 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
- 239000000446 fuel Substances 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
図面はこの考案の一実施例に関し、第１図はリ
エントラント式デイーゼルエンジンの縦断面図、
第２図はピストンの上方からピストンの上面及び
噴霧３８の分布を示す図である。
１０……デイーゼルエンジン、１６……ピスト
ン、１８……燃焼室、２０……リツプ部、３０…
…燃料噴射ノズル、３２……噴孔。
The drawings relate to an embodiment of this invention; FIG. 1 is a longitudinal sectional view of a reentrant diesel engine;
FIG. 2 is a view showing the upper surface of the piston and the distribution of the spray 38 from above the piston. 10... Diesel engine, 16... Piston, 18... Combustion chamber, 20... Lip portion, 30...
...fuel injection nozzle, 32...nozzle hole.
Claims (1)
成され、リツプ部がこの燃焼室の上部開口を絞る
ように環状に設けられ、燃料噴射ノズルの噴孔か
ら燃料が噴出されるリエントラント式デイーゼル
エンジンにおいて、燃料がリツプ部へ向かつて噴
出するように、前記噴孔の位置及び向きが規定さ
れていることを特徴とするリエントラント式デイ
ーゼルエンジン。 (2) 前記ピストンの頂部には、吸排気弁ための
逃げが前記リツプ部の範囲に重複して形成されて
おり、前記燃料噴射ノズルの前記噴孔は、吸排気
弁ための逃げが形成されている前記リツプ部の部
分に向かつて燃料を噴出するように位置及び向き
を規定されていることを特徴とする実用新案登録
請求の範囲第１項記載のリエントラント式デイー
ゼルエンジン。 (3) 前記燃料噴射ノズルは計五個の噴孔を有し
ていることを特徴とする実用新案登録請求の範囲
第１項又は第２項記載のリエントラント式デイー
ゼルエンジン。[Claims for Utility Model Registration] (1) A combustion chamber consisting of a recess is formed at the top of the piston, and a lip is provided in an annular shape so as to narrow the upper opening of the combustion chamber, and the lip is provided in an annular shape so as to narrow the upper opening of the combustion chamber. 1. A reentrant diesel engine in which fuel is injected, characterized in that the position and direction of the nozzle hole are determined so that the fuel is injected toward a lip portion. (2) A relief for the intake and exhaust valves is formed at the top of the piston, overlapping a range of the lip portion, and a relief for the intake and exhaust valves is formed in the nozzle hole of the fuel injection nozzle. 2. The reentrant diesel engine according to claim 1, wherein the reentrant diesel engine is positioned and oriented such that the fuel is injected toward the lip portion. (3) The reentrant diesel engine according to claim 1 or 2, wherein the fuel injection nozzle has a total of five injection holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4819587U JPS63156418U (en) | 1987-03-31 | 1987-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4819587U JPS63156418U (en) | 1987-03-31 | 1987-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63156418U true JPS63156418U (en) | 1988-10-13 |
Family
ID=30869498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4819587U Pending JPS63156418U (en) | 1987-03-31 | 1987-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63156418U (en) |
-
1987
- 1987-03-31 JP JP4819587U patent/JPS63156418U/ja active Pending