JPH01111134U - - Google Patents
Info
- Publication number
- JPH01111134U JPH01111134U JP559088U JP559088U JPH01111134U JP H01111134 U JPH01111134 U JP H01111134U JP 559088 U JP559088 U JP 559088U JP 559088 U JP559088 U JP 559088U JP H01111134 U JPH01111134 U JP H01111134U
- Authority
- JP
- Japan
- Prior art keywords
- combustion chamber
- diesel engine
- piston
- straight passage
- type diesel
- 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
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図および第２図は、本考案の第１実施例を
示したもので、第１図は、燃焼室の断面図、第２
図は、ピストン頂面の平面図、第３図および第４
図は、本考案の第２実施例を示したもので、第３
図は燃焼室の断面図、第４図はピストン頂面の平
面図、第５図および第６図は本考案の第３実施例
を示したもので、第５図はピストン頂面の平面図
、第６図は第５図のＹ―Ｙ断面図、第７図および
第８図は従来例を示したもので、第７図は燃焼室
の断面図、第８図はピストン頂面の平面図である
。
３……ピストン、４……シリンダヘツド、５…
…渦流室、６……噴孔、８……ピストン頂面、９
……主燃焼室、１０……キヤビテイ部、１１……
直線通路部、１２……対向壁、１３……直線溝、
１４……小突起、１５……小穴。
1 and 2 show the first embodiment of the present invention. FIG. 1 is a sectional view of the combustion chamber, and FIG.
The figures are a plan view of the top surface of the piston, Figures 3 and 4.
The figure shows the second embodiment of the present invention, and the third embodiment
Figure 4 is a cross-sectional view of the combustion chamber, Figure 4 is a plan view of the top surface of the piston, Figures 5 and 6 show a third embodiment of the present invention, and Figure 5 is a plan view of the top surface of the piston. , Figure 6 is a YY sectional view of Figure 5, Figures 7 and 8 show conventional examples, Figure 7 is a sectional view of the combustion chamber, and Figure 8 is a plane of the top surface of the piston. It is a diagram. 3...Piston, 4...Cylinder head, 5...
... Vortex chamber, 6 ... Nozzle hole, 8 ... Piston top surface, 9
...Main combustion chamber, 10...Cavity part, 11...
Straight passage section, 12... Opposing wall, 13... Straight groove,
14...Small protrusion, 15...Small hole.
Claims (1)
させ、ピストン頂面に溝状の直線通路部を前記噴
孔下方の領域から中心付近の領域に向けて設ける
とともに、該直線通路部の前記ピストンの中心付
近の領域から両側方に広がるキヤビテイ部を配設
させた渦流室式デイーゼル機関の燃焼室において
、 前記直線通路部を除く、前記キヤビテイ部の全
面に多数の小さな凹凸を配設したことを特徴とす
る、渦流室式デイーゼル機関の燃焼室。[Claim for Utility Model Registration] A nozzle hole from the swirl chamber is opened near the edge of the main combustion chamber, and a groove-shaped straight passage section is directed from the area below the nozzle hole to the area near the center on the top surface of the piston. In a combustion chamber of a swirl chamber type diesel engine, the combustion chamber of a swirl chamber type diesel engine is provided with a cavity part extending from a region near the center of the piston in the straight passage part to both sides, the entire surface of the cavity part excluding the straight passage part. The combustion chamber of a swirl chamber type diesel engine is characterized by a large number of small irregularities arranged in the combustion chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP559088U JPH01111134U (en) | 1988-01-20 | 1988-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP559088U JPH01111134U (en) | 1988-01-20 | 1988-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01111134U true JPH01111134U (en) | 1989-07-26 |
Family
ID=31209094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP559088U Pending JPH01111134U (en) | 1988-01-20 | 1988-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01111134U (en) |
-
1988
- 1988-01-20 JP JP559088U patent/JPH01111134U/ja active Pending