JPH01152025U - - Google Patents
Info
- Publication number
- JPH01152025U JPH01152025U JP4793188U JP4793188U JPH01152025U JP H01152025 U JPH01152025 U JP H01152025U JP 4793188 U JP4793188 U JP 4793188U JP 4793188 U JP4793188 U JP 4793188U JP H01152025 U JPH01152025 U JP H01152025U
- Authority
- JP
- Japan
- Prior art keywords
- cavity
- nozzle
- nozzles
- diesel engine
- center line
- 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.)
- Granted
Links
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の一実施例に係る直噴デイーゼ
ルエンジンの要部断面図、第２図は同実施例にお
ける燃料噴射ノズルの噴口方向および噴口径を示
す説明図、第３図および第４図は上記実施例の変
形例を示す説明図、第５図および第６図は本考案
の他の実施例を示す説明図である。
１……エンジン、６……ピストン、７……キヤ
ビテイ、８……燃料噴射ノズル、Ｃｃ……キヤビ
テイ円、ＣＩ……内接円。
FIG. 1 is a sectional view of a main part of a direct injection diesel engine according to an embodiment of the present invention, FIG. 2 is an explanatory diagram showing the direction and diameter of the fuel injection nozzle in the same embodiment, and FIGS. The figure is an explanatory view showing a modification of the above embodiment, and FIGS. 5 and 6 are explanatory views showing other embodiments of the present invention. 1... Engine, 6... Piston, 7... Cavity, 8... Fuel injection nozzle, C c ... Cavity circle, CI... Inscribed circle.
Claims (1)
フセツトして配置された燃料噴射ノズルの複数の
噴口から前記キヤビテイの周壁に向けて放射状に
燃料が噴射されるスワール生成形の直噴デイーゼ
ルエンジンにおいて、前記キヤビテイの形状を規
定するキヤビテイ円と前記複数の噴口の中心線と
の交点が該キヤビテイ円上で略等間隔となるよう
各噴口の向きを設定するとともに、各噴口の中心
線とそれぞれのスワール下流側に隣接する噴口の
中心線との間のキヤビテイ面積の比に応じて各噴
口の径を設定したことを特徴とする直噴デイーゼ
ルエンジン。 In a swirl generation type direct injection diesel engine in which fuel is injected radially toward the circumferential wall of the cavity from a plurality of nozzles of a fuel injection nozzle arranged offset with respect to a cavity formed at the top of the piston, The orientation of each nozzle is set so that the intersections between the cavity circle that defines the shape and the center lines of the plurality of nozzles are approximately equally spaced on the cavity circle, and the center line of each nozzle and the swirl downstream side are set. A direct injection diesel engine characterized in that the diameter of each nozzle is set according to the ratio of the cavity area to the center line of adjacent nozzles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4793188U JPH0736089Y2 (en) | 1988-04-09 | 1988-04-09 | Direct injection diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4793188U JPH0736089Y2 (en) | 1988-04-09 | 1988-04-09 | Direct injection diesel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01152025U true JPH01152025U (en) | 1989-10-19 |
| JPH0736089Y2 JPH0736089Y2 (en) | 1995-08-16 |
Family
ID=31274108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4793188U Expired - Lifetime JPH0736089Y2 (en) | 1988-04-09 | 1988-04-09 | Direct injection diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0736089Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004003658A1 (en) * | 2004-01-24 | 2005-08-25 | Mahle Gmbh | Combustion basin in the bottom of a piston for a diesel engine |
-
1988
- 1988-04-09 JP JP4793188U patent/JPH0736089Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0736089Y2 (en) | 1995-08-16 |