JPS61159623U - - Google Patents
Info
- Publication number
- JPS61159623U JPS61159623U JP4277085U JP4277085U JPS61159623U JP S61159623 U JPS61159623 U JP S61159623U JP 4277085 U JP4277085 U JP 4277085U JP 4277085 U JP4277085 U JP 4277085U JP S61159623 U JPS61159623 U JP S61159623U
- Authority
- JP
- Japan
- Prior art keywords
- cavity
- piston
- fuel
- diesel engine
- injection valve
- 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
- 238000001816 cooling Methods 0.000 claims description 2
- 239000000446 fuel Substances 0.000 claims 4
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図はこの考案の実施例を示すピストンの縦
断面図、第２図はそのＡ―Ａ断面図、第３図はピ
ストン頂部の等温度分布図、第４図は他の実施例
のピストン頂部の横断面図、第５，６図はそれぞ
れ従来の技術を示すピストンの一部縦断面図であ
る。
１０…ピストン本体、１１…キヤビテイ、１２
…冷却空洞、１３…キヤビテイ側壁、１３Ａ…厚
肉部分。
Fig. 1 is a vertical sectional view of a piston showing an embodiment of this invention, Fig. 2 is a sectional view taken along line A-A, Fig. 3 is an isotemperature distribution diagram at the top of the piston, and Fig. 4 is a piston of another embodiment. The top cross-sectional view and FIGS. 5 and 6 are partial vertical cross-sectional views of a piston, respectively, showing the prior art. 10... Piston body, 11... Cavity, 12
...Cooling cavity, 13...Cavity side wall, 13A...Thick wall portion.
Claims (1)
されるキヤビテイを設け、キヤビテイ外周に冷却
空洞を設けたデイーゼル機関のピストンにおいて
、キヤビテイ側壁の、燃料噴射弁から噴射された
燃料が直接当たる部分の肉厚を他の部分よりも厚
く形成したことを特徴とするデイーゼル機関のピ
ストン。 In the piston of a diesel engine, which has a cavity on the top surface of the piston into which fuel is injected from the fuel injection valve, and a cooling cavity on the outer periphery of the cavity, the part of the side wall of the cavity that is directly hit by the fuel injected from the fuel injection valve. A diesel engine piston characterized by a wall that is thicker than other parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4277085U JPS61159623U (en) | 1985-03-25 | 1985-03-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4277085U JPS61159623U (en) | 1985-03-25 | 1985-03-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61159623U true JPS61159623U (en) | 1986-10-03 |
Family
ID=30553828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4277085U Pending JPS61159623U (en) | 1985-03-25 | 1985-03-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61159623U (en) |
-
1985
- 1985-03-25 JP JP4277085U patent/JPS61159623U/ja active Pending