JPS61164428U - - Google Patents
Info
- Publication number
- JPS61164428U JPS61164428U JP4680685U JP4680685U JPS61164428U JP S61164428 U JPS61164428 U JP S61164428U JP 4680685 U JP4680685 U JP 4680685U JP 4680685 U JP4680685 U JP 4680685U JP S61164428 U JPS61164428 U JP S61164428U
- Authority
- JP
- Japan
- Prior art keywords
- projection
- combustion chamber
- diesel engine
- swirl direction
- cut groove
- 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 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図は本考案の第１実施例に係るデイーゼル
エンジンの燃焼室を適用したピストンの平面図、
第２図は第１図のピストンの断面図、第３図は本
考案の第１図のデイーゼルエンジンの燃焼室のマ
イクロタービランスを併せ反した平面図、第４図
は本考案の第２実施例に係るデイーゼルエンジン
の燃焼室の平面図、第５図は本考案の第３実施例
に係るデイーゼルエンジンの燃焼室の平面図、第
６図は本考案の第４実施例に係るデイーゼルエン
ジンの断面図、
１……ピストン、２……キヤビテイ、３……底
面、５……突起、６，８，９，１０……切り溝、
１１……切り溝上流部、１２……切り溝下流部。
FIG. 1 is a plan view of a piston to which a combustion chamber of a diesel engine according to a first embodiment of the present invention is applied;
Fig. 2 is a cross-sectional view of the piston shown in Fig. 1, Fig. 3 is a plan view showing the microturbilance of the combustion chamber of the diesel engine shown in Fig. 1 of the present invention, and Fig. 4 is a second embodiment of the present invention. FIG. 5 is a plan view of a combustion chamber of a diesel engine according to a third embodiment of the present invention, and FIG. 6 is a plan view of a combustion chamber of a diesel engine according to a fourth embodiment of the present invention. Cross-sectional view, 1... Piston, 2... Cavity, 3... Bottom surface, 5... Protrusion, 6, 8, 9, 10... Cut groove,
11...upstream part of the kerf, 12... downstream part of the kerf.
Claims (1)
ヤビテイ底面に円錐形の突起を有しているデイー
ゼルエンジンの燃焼室において、前記突起の径方
向に延びる切り溝を設けるとともに、前記突起の
外周部に切り溝のスワール方向前後にてスワール
方向上流側がスワール方向下流側に比べて半径を
方向に突出する段差を設けたことを特徴とするデ
イーゼルエンジンの燃焼室。 In the combustion chamber of a diesel engine, which has a concave cavity at the top of the piston and a conical projection at the bottom of the cavity, a cut groove is provided extending in the radial direction of the projection, and a cut groove is provided on the outer periphery of the projection. A combustion chamber for a diesel engine, characterized in that a step is provided before and after a groove in a swirl direction so that the upstream side in the swirl direction projects in a radial direction compared to the downstream side in the swirl direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4680685U JPS61164428U (en) | 1985-04-01 | 1985-04-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4680685U JPS61164428U (en) | 1985-04-01 | 1985-04-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61164428U true JPS61164428U (en) | 1986-10-13 |
Family
ID=30561546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4680685U Pending JPS61164428U (en) | 1985-04-01 | 1985-04-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61164428U (en) |
-
1985
- 1985-04-01 JP JP4680685U patent/JPS61164428U/ja active Pending