JPS62148730U - - Google Patents
Info
- Publication number
- JPS62148730U JPS62148730U JP3613586U JP3613586U JPS62148730U JP S62148730 U JPS62148730 U JP S62148730U JP 3613586 U JP3613586 U JP 3613586U JP 3613586 U JP3613586 U JP 3613586U JP S62148730 U JPS62148730 U JP S62148730U
- Authority
- JP
- Japan
- Prior art keywords
- combustion chamber
- injection diesel
- cylinder head
- opening diameter
- direct
- 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 17
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000020169 heat generation Effects 0.000 description 1
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図は本考案の直噴式デイーゼル燃焼室の好
適一実施例を示す概略図、第２図は燃焼室に噴射
ノズルを設ける例を示す概略図、第３図は第２図
及び第６図の上面図、第４図は熱発生特性を示す
図、第５図は多噴口を有する噴射ノズルを示す概
略断面図、第６図は第５図の噴射ノズルが設けら
れた直噴式デイーゼル燃焼室を示す概略図、第７
図及び第８図は従来例を示す図である。
図中、２はピストン頂部、３は第１の燃焼室、
４は第２の燃焼室、５，６はリツプ部、ｄ１，ｄ
２は開口径である。
FIG. 1 is a schematic diagram showing a preferred embodiment of the direct injection diesel combustion chamber of the present invention, FIG. 2 is a schematic diagram showing an example in which an injection nozzle is provided in the combustion chamber, and FIG. 3 is a diagram showing FIGS. 2 and 6. A top view, FIG. 4 is a diagram showing heat generation characteristics, FIG. 5 is a schematic sectional view showing an injection nozzle with multiple injection ports, and FIG. 6 is a direct injection diesel combustion chamber equipped with the injection nozzle shown in FIG. 5. Schematic diagram showing the seventh
FIG. 8 and FIG. 8 are diagrams showing a conventional example. In the figure, 2 is the top of the piston, 3 is the first combustion chamber,
4 is the second combustion chamber, 5 and 6 are the lip parts, d 1 , d
2 is the opening diameter.
Claims (1)
成し、該燃焼室の底部略中央に窪ませて第１の燃
焼室より小さな容積を有する第２の燃焼室を形成
したことを特徴とする直噴式デイーゼル燃焼室。 (2) 上記第２の燃焼室がそのシリンダヘツドに
臨む開口径を上記第１の燃焼室の開口径より、小
さく設定した上記実用新案登録請求の範囲第１項
記載の直噴式デイーゼル燃焼室。 (3) 上記第１の燃焼室と第２の燃焼室とがそれ
ぞれシリンダヘツドに臨む開口部にこれに沿つて
径方向内方に突出されたリツプ部を有した上記実
用新案登録請求の範囲第１項または第２項記載の
直噴式デイーゼル燃焼室。[Claims for Utility Model Registration] (1) A first combustion chamber is formed by recessing the top of the piston, and a second combustion chamber is recessed approximately at the center of the bottom of the combustion chamber and has a smaller volume than the first combustion chamber. A direct injection diesel combustion chamber characterized by the formation of a combustion chamber. (2) The direct injection diesel combustion chamber according to claim 1, wherein the opening diameter of the second combustion chamber facing the cylinder head is set smaller than the opening diameter of the first combustion chamber. (3) The first combustion chamber and the second combustion chamber each have a lip portion projecting radially inward along the opening portion facing the cylinder head. Direct-injection diesel combustion chamber according to item 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3613586U JPS62148730U (en) | 1986-03-14 | 1986-03-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3613586U JPS62148730U (en) | 1986-03-14 | 1986-03-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62148730U true JPS62148730U (en) | 1987-09-19 |
Family
ID=30846258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3613586U Pending JPS62148730U (en) | 1986-03-14 | 1986-03-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62148730U (en) |
-
1986
- 1986-03-14 JP JP3613586U patent/JPS62148730U/ja active Pending
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