JPH02122123U - - Google Patents
Info
- Publication number
- JPH02122123U JPH02122123U JP3185589U JP3185589U JPH02122123U JP H02122123 U JPH02122123 U JP H02122123U JP 3185589 U JP3185589 U JP 3185589U JP 3185589 U JP3185589 U JP 3185589U JP H02122123 U JPH02122123 U JP H02122123U
- Authority
- JP
- Japan
- Prior art keywords
- lip
- cavity
- nozzle
- side wall
- piston
- 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
- 239000000446 fuel Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図〜第３図は本考案の実施例を示す平面図
と断面図と要部拡大図、第４図、第５図は点火プ
ラグの配置詳細図、第６図は本考案の他の実施例
を示す平面図である。
１……ピストン、２……キヤビテイ、３……リ
ツプ部、５……凹部、６……周縁部、７……燃料
噴射ノズル、９……点火プラグ。
Figures 1 to 3 are a plan view, a sectional view, and an enlarged view of main parts showing an embodiment of the present invention, Figures 4 and 5 are detailed views of the arrangement of the spark plug, and Figure 6 is a diagram showing another embodiment of the present invention. FIG. 2 is a plan view showing an example. DESCRIPTION OF SYMBOLS 1... Piston, 2... Cavity, 3... Lip part, 5... Recessed part, 6... Peripheral part, 7... Fuel injection nozzle, 9... Spark plug.
Claims (1)
もしくはだ円形の燃焼室キヤビテイを形成し、こ
のキヤビテイの中心側の開口側壁にリツプ部を形
成し、このリツプ部の下部側壁に凹部を形成する
と共に、リツプ部に対向するキヤビテイの周縁部
からリツプ部に向けて燃料を複数の噴孔より扇状
に噴射する燃料噴射ノズルを設け、かつこの燃料
噴射ノズルの近傍にて少なくとも１つの噴孔から
の噴霧の輪郭に沿う位置に点火プラグを設けたこ
とを特徴とする直噴式火花点火エンジン。 A fan-shaped or oval combustion chamber cavity is formed on the top surface of the piston eccentrically from the center of the piston, a lip is formed on the opening side wall of the cavity on the center side, and a recess is formed on the lower side wall of this lip. a fuel injection nozzle that injects fuel in a fan shape from a plurality of nozzle holes toward the lip portion from the peripheral edge of the cavity facing the lip portion; and a contour of the spray from at least one nozzle hole near the fuel injection nozzle. A direct injection spark ignition engine characterized by having a spark plug located along the .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3185589U JPH02122123U (en) | 1989-03-20 | 1989-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3185589U JPH02122123U (en) | 1989-03-20 | 1989-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02122123U true JPH02122123U (en) | 1990-10-05 |
Family
ID=31258034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3185589U Pending JPH02122123U (en) | 1989-03-20 | 1989-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02122123U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000248944A (en) * | 1999-03-02 | 2000-09-12 | Toyota Motor Corp | Cylinder injection type spark ignition internal combustion engine |
-
1989
- 1989-03-20 JP JP3185589U patent/JPH02122123U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000248944A (en) * | 1999-03-02 | 2000-09-12 | Toyota Motor Corp | Cylinder injection type spark ignition internal combustion engine |