JPS6314836U - - Google Patents
Info
- Publication number
- JPS6314836U JPS6314836U JP10669786U JP10669786U JPS6314836U JP S6314836 U JPS6314836 U JP S6314836U JP 10669786 U JP10669786 U JP 10669786U JP 10669786 U JP10669786 U JP 10669786U JP S6314836 U JPS6314836 U JP S6314836U
- Authority
- JP
- Japan
- Prior art keywords
- injection valve
- combustion chamber
- valve
- fuel injection
- fuel
- 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 17
- 239000007924 injection Substances 0.000 claims description 17
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims 8
- 230000035515 penetration Effects 0.000 claims 3
- 239000007921 spray Substances 0.000 claims 3
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図は本考案の第１実施例のピストンの平面
図で、噴射弁および吸排気弁の配置を併せて示し
、第２図は第１実施例の断面図でピストンは第１
図の―線に沿つた断面図が示してあり、第３
図は第１図同様の図で本考案の第２実施例を示し
、第４図は第２実施例の断面図で、ピストンは第
３図の―矢視断面が示してある。
１０……デイーゼル機関、１８……ピストン、
２０……燃焼室、２２……第１噴射弁（スロツト
ル型）、２４……第２噴射弁（ホール型）、２６
……スキツシユ流の弱い領域、２８……ピストン
のリツプ部、３０……スキツシユ流の強い領域、
４０……排気弁、４２……吸気弁、５０……燃焼
室。
FIG. 1 is a plan view of a piston according to a first embodiment of the present invention, which also shows the arrangement of injection valves and intake and exhaust valves, and FIG. 2 is a sectional view of the first embodiment.
A cross-sectional view taken along the line - in the figure is shown, and the third
The figure is a view similar to that shown in FIG. 1 and shows a second embodiment of the present invention, and FIG. 4 is a sectional view of the second embodiment, and the piston is shown in a cross section taken along the arrow - in FIG. 10...diesel engine, 18...piston,
20... Combustion chamber, 22... First injection valve (throttle type), 24... Second injection valve (Hall type), 26
...A region where the squishing flow is weak, 28...Piston lip portion, 30...A region where the squishing flow is strong,
40...exhaust valve, 42...intake valve, 50...combustion chamber.
Claims (1)
０を構成し、該燃焼室に燃料を噴射する第１燃料
噴射弁２２と第２燃料噴射弁２４との２つの燃料
噴射弁を設けてなる２噴射弁式直接噴射式デイー
ゼル機関において、 前記ピストンには、燃焼室の一側部の上方にお
いて半径方向内向きに張り出したリツプ部２８を
設け、 前記第１燃料噴射弁２２は噴霧角が小さく貫徹
力が大きな噴射弁で構成し、 前記第２燃料噴射弁２４は噴霧角が大きく貫徹
力が小さな噴射弁で構成し、 第２噴射弁２４は燃焼室のうち前記リツプ部２
８の下方の領域２６に向かつて燃料を噴射するべ
く配置し、 第１噴射弁２２は燃焼室のうちリツプ部下方の
領域とは反対側の領域３０に向かつて燃料を噴射
するべく配置したことを特徴とする、２噴射弁式
直接噴射式デイーゼル機関。 ２ 機関の排気弁４０は前記反対側領域３０の上
方に配置し、吸気弁４２はリツプ部２８の上方に
配置したことを特徴とする実用新案登録請求の範
囲第１項記載の２噴射弁式直接噴射式デイーゼル
機関。[Claims for Utility Model Registration] 1. Combustion chamber 2.
In a two-injector type direct injection diesel engine that is provided with two fuel injection valves, a first fuel injection valve 22 and a second fuel injection valve 24, which constitute a combustion chamber and inject fuel into the combustion chamber, the piston is provided with a lip portion 28 projecting radially inward above one side of the combustion chamber, the first fuel injection valve 22 is an injection valve with a small spray angle and a large penetration force, and the second fuel injection valve 22 is configured with an injection valve having a small spray angle and a large penetration force. The fuel injection valve 24 is constructed of an injection valve with a large spray angle and a small penetration force, and the second injection valve 24 is arranged in the lip portion 2 of the combustion chamber.
8, and the first injector 22 is arranged to inject fuel toward a region 30 of the combustion chamber opposite to the region below the lip. A 2-valve direct injection diesel engine featuring: 2. The two-injection valve type according to claim 1 of the registered utility model, characterized in that the exhaust valve 40 of the engine is disposed above the opposite side region 30, and the intake valve 42 is disposed above the lip portion 28. Direct injection diesel engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10669786U JPS6314836U (en) | 1986-07-14 | 1986-07-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10669786U JPS6314836U (en) | 1986-07-14 | 1986-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6314836U true JPS6314836U (en) | 1988-01-30 |
Family
ID=30982291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10669786U Pending JPS6314836U (en) | 1986-07-14 | 1986-07-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6314836U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014148947A (en) * | 2013-02-01 | 2014-08-21 | Mazda Motor Corp | Diesel engine |
| EP3140527A4 (en) * | 2014-04-29 | 2017-12-27 | Volvo Truck Corporation | Combustion chamber for an internal combustion engine and an internal combustion engine |
-
1986
- 1986-07-14 JP JP10669786U patent/JPS6314836U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014148947A (en) * | 2013-02-01 | 2014-08-21 | Mazda Motor Corp | Diesel engine |
| EP3140527A4 (en) * | 2014-04-29 | 2017-12-27 | Volvo Truck Corporation | Combustion chamber for an internal combustion engine and an internal combustion engine |
| US10415456B2 (en) | 2014-04-29 | 2019-09-17 | Volvo Truck Corporation | Combustion chamber for an internal combustion engine and an internal combustion engine |