JPH01130028U - - Google Patents
Info
- Publication number
- JPH01130028U JPH01130028U JP2498588U JP2498588U JPH01130028U JP H01130028 U JPH01130028 U JP H01130028U JP 2498588 U JP2498588 U JP 2498588U JP 2498588 U JP2498588 U JP 2498588U JP H01130028 U JPH01130028 U JP H01130028U
- Authority
- JP
- Japan
- Prior art keywords
- combustion chamber
- nozzle
- auxiliary
- main
- fuel injection
- 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 13
- 239000000446 fuel Substances 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の第１実施例を示す断面図、第
２図は同上第１実施例の平面図、第３図は燃料噴
射ノズルの断面図、第４図は燃料噴射ノズルの先
端部拡大図、第５図は副噴口だけから燃料噴射が
行われる運転領域と副噴口及び主噴口の両方から
燃料噴射が行われる運転領域を示す図、第６図は
本考案の第２実施例を示す断面図、第７図は同上
第２実施例の平面図である。
３…ピストン、４…燃焼室、４Ａ…主燃焼室、
４Ｂ…副燃焼室、７…点火プラグ、１０…燃料噴
射ノズル、１５…主噴口、１６…副噴口。
Fig. 1 is a sectional view showing the first embodiment of the present invention, Fig. 2 is a plan view of the first embodiment, Fig. 3 is a sectional view of the fuel injection nozzle, and Fig. 4 is the tip of the fuel injection nozzle. An enlarged view, FIG. 5 is a diagram showing an operating region where fuel injection is performed only from the sub-nozzle and an operating region where fuel injection is performed from both the sub-nozzle and the main nozzle, and FIG. 6 is a diagram showing the second embodiment of the present invention. The sectional view shown in FIG. 7 is a plan view of the second embodiment. 3... Piston, 4... Combustion chamber, 4A... Main combustion chamber,
4B...Sub-combustion chamber, 7...Spark plug, 10...Fuel injection nozzle, 15...Main nozzle, 16...Sub-nozzle.
Claims (1)
成し、該燃焼室内に燃料噴射ノズルと点火プラグ
を臨ませた直噴式火花点火内燃機関において、前
記燃焼室を主燃焼室と副燃焼室とを設けて構成す
ると共に、前記燃料噴射ノズルに、主燃焼室に向
けて燃料を噴射する主噴口と副燃焼室に向けて燃
料を噴射する副噴口を設け、前記点火プラグを副
燃焼室に臨ませたことを特徴とする直噴式火花点
火内燃機関。 In a direct injection spark ignition internal combustion engine in which a cavity is provided on the top surface of the piston to form a combustion chamber, and a fuel injection nozzle and a spark plug are exposed within the combustion chamber, the combustion chamber is provided with a main combustion chamber and a sub-combustion chamber. The fuel injection nozzle is provided with a main nozzle for injecting fuel toward the main combustion chamber and a auxiliary nozzle for injecting fuel toward the auxiliary combustion chamber, and the spark plug faces the auxiliary combustion chamber. A direct injection spark ignition internal combustion engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2498588U JPH01130028U (en) | 1988-02-29 | 1988-02-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2498588U JPH01130028U (en) | 1988-02-29 | 1988-02-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01130028U true JPH01130028U (en) | 1989-09-05 |
Family
ID=31245309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2498588U Pending JPH01130028U (en) | 1988-02-29 | 1988-02-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01130028U (en) |
-
1988
- 1988-02-29 JP JP2498588U patent/JPH01130028U/ja active Pending