JPH01115841U - - Google Patents
Info
- Publication number
- JPH01115841U JPH01115841U JP1061588U JP1061588U JPH01115841U JP H01115841 U JPH01115841 U JP H01115841U JP 1061588 U JP1061588 U JP 1061588U JP 1061588 U JP1061588 U JP 1061588U JP H01115841 U JPH01115841 U JP H01115841U
- Authority
- JP
- Japan
- Prior art keywords
- sub
- injection
- main
- injection nozzle
- spray
- 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
- 238000002347 injection Methods 0.000 claims description 23
- 239000007924 injection Substances 0.000 claims description 23
- 239000007921 spray Substances 0.000 claims description 14
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 239000000446 fuel Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Description
第１図は本考案の第１実施例に係る筒内噴射式
火花点火デイーゼルエンジンの断面説明図、第２
図は第１実施例における噴霧燃料の噴霧状態を示
す平面説明図、第３図は主噴射ノズルの先端部の
平面説明図、第４図は副噴射ノズルの先端部の平
面説明図、第５図は主噴射ノズル及び副噴射ノズ
ルの噴射タイミングの関係を示す説明図、第６図
は本考案の第２実施例に係る筒内噴射式火花点火
デイーゼルエンジンの燃料の噴霧状態を示す平面
説明図、第７図は本考案の第３実施例に係る筒内
噴射式火花点火デイーゼルエンジンの燃料の噴霧
状態を示す平面説明図、第８図は本考案の第４実
施例に係る筒内噴射式火花点火デイーゼルエンジ
ンの燃料の噴霧状態を示す平面説明図、第９図は
本考案の第５実施例に係る筒内噴射式火花点火デ
イーゼルエンジンの燃料の噴霧状態を示す平面説
明図、第１０図は本考案の第６実施例に係る筒内
噴射式火花点火デイーゼルエンジンの燃料の噴霧
状態を示す平面説明図、第１１図は従来における
筒内噴射式火花点火デイーゼルエンジンの断面説
明図、第１２図は同エンジンの燃料の噴霧状態を
示す平面説明図、第１３図は従来における他の筒
内噴射式火花点火デイーゼルエンジンの燃料の噴
霧状態を示す平面説明図である。
２……燃焼室、４……主噴射ノズル、４Ａ……
主噴孔、５……副噴射ノズル、５Ａ……副噴孔、
６……点火プラグ、Ａ，Ｂ，Ｃ……主噴霧領域、
Ｘ……副噴霧領域。
1 is a cross-sectional explanatory diagram of a direct injection spark ignition diesel engine according to a first embodiment of the present invention; FIG.
3 is an explanatory plan view showing the spray state of the atomized fuel in the first embodiment, FIG. 3 is an explanatory plan view of the tip of the main injection nozzle, FIG. 4 is an explanatory plan view of the tip of the sub-injection nozzle, and FIG. FIG. 6 is an explanatory diagram showing the relationship between the injection timings of the main injection nozzle and the sub-injection nozzle, and FIG. 6 is an explanatory plan view showing the fuel spray state of the direct injection spark ignition diesel engine according to the second embodiment of the present invention. , FIG. 7 is an explanatory plan view showing the fuel spray state of a direct injection type spark ignition diesel engine according to a third embodiment of the present invention, and FIG. 8 is a plan view showing a fuel spray state of a direct injection type spark ignition diesel engine according to a fourth embodiment of the present invention. FIG. 9 is an explanatory plan view showing the spray state of fuel in a spark ignition diesel engine; FIG. 11 is an explanatory plan view showing the spray state of fuel in a cylinder injection spark ignition diesel engine according to a sixth embodiment of the present invention; FIG. 11 is a cross-sectional view of a conventional cylinder injection spark ignition diesel engine; FIG. FIG. 13 is an explanatory plan view showing the fuel spray state of the same engine, and FIG. 13 is a plan explanatory view showing the fuel spray state of another conventional in-cylinder injection type spark ignition diesel engine. 2... Combustion chamber, 4... Main injection nozzle, 4A...
Main nozzle hole, 5...Sub-injection nozzle, 5A...Sub-nozzle hole,
6... Spark plug, A, B, C... Main spray area,
X...Sub-spray area.
Claims (1)
、主噴射ノズルの主噴孔からの噴射により放射状
に形成された各主噴霧領域のうち少なくとも２つ
の領域部分と重なる副噴霧領域を、副噴孔からの
噴射により形成する副噴射ノズルと、副噴射ノズ
ルにより形成される副噴霧領域内に位置する着火
手段とを燃焼室内に配置したことを特徴とする筒
内噴射式火花点火デイーゼルエンジン。 A main injection nozzle having a plurality of main injection holes radially, and a sub-spray area that overlaps with at least two area portions of each main spray area formed radially by injection from the main injection holes of the main injection nozzle are sub-spray. A direct injection spark ignition diesel engine characterized in that a sub-injection nozzle formed by injection from a hole and an ignition means located within a sub-spray area formed by the sub-injection nozzle are arranged in a combustion chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1061588U JPH01115841U (en) | 1988-01-29 | 1988-01-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1061588U JPH01115841U (en) | 1988-01-29 | 1988-01-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01115841U true JPH01115841U (en) | 1989-08-04 |
Family
ID=31218433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1061588U Pending JPH01115841U (en) | 1988-01-29 | 1988-01-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01115841U (en) |
-
1988
- 1988-01-29 JP JP1061588U patent/JPH01115841U/ja active Pending