JPH0290326U - - Google Patents
Info
- Publication number
- JPH0290326U JPH0290326U JP16901788U JP16901788U JPH0290326U JP H0290326 U JPH0290326 U JP H0290326U JP 16901788 U JP16901788 U JP 16901788U JP 16901788 U JP16901788 U JP 16901788U JP H0290326 U JPH0290326 U JP H0290326U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- cavity
- fuel injection
- injection nozzle
- side wall
- 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 7
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図は本考案の一実施例に係るピストン頂面
の平面図、第２図は本考案の実施例に係る燃焼室
構造の断面図、第３図は燃料のはみ出し量を示す
ピストン頂面の平面図、第４図は従来の燃焼室構
造の断面図、第５図は従来の燃料のはみ出し量を
示すピストン頂面の平面図である。
１５……燃料噴射ノズル、１７……トツプクリ
アランス、１９……キヤビテイ、１９ａ……側壁
、２１……ピストン、２１ａ……頂面、２３……
絞り部、Ｆ……燃料。
Fig. 1 is a plan view of the top surface of a piston according to an embodiment of the present invention, Fig. 2 is a sectional view of a combustion chamber structure according to an embodiment of the invention, and Fig. 3 is a top view of the piston showing the amount of fuel protruding. 4 is a sectional view of a conventional combustion chamber structure, and FIG. 5 is a plan view of the top surface of a piston showing the amount of conventional fuel protruding. 15... Fuel injection nozzle, 17... Top clearance, 19... Cavity, 19a... Side wall, 21... Piston, 21a... Top surface, 23...
Throttle section, F...Fuel.
Claims (1)
ビテイ内に、燃料噴射ノズルの先端を当該キヤビ
テイの中心から更にオフセツトしてなる直噴式内
燃機関の燃焼室構造に於て、上記燃料噴射ノズル
の先端に近いキヤビテイの側壁を開口部に絞り部
を形成したリエントラント形状とし、燃料噴射ノ
ズルの先端から遠いキヤビテイの側壁を漏斗状の
オープン形状としたことを特徴とする直噴式内燃
機関の燃焼室構造。 In a combustion chamber structure of a direct injection internal combustion engine in which the tip of a fuel injection nozzle is further offset from the center of the cavity in a cavity formed offset from the center of the piston, the tip of the cavity near the tip of the fuel injection nozzle is A combustion chamber structure for a direct injection internal combustion engine, characterized in that the side wall has a reentrant shape with a constriction formed in the opening, and the side wall of the cavity far from the tip of the fuel injection nozzle has a funnel-shaped open shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16901788U JPH0290326U (en) | 1988-12-27 | 1988-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16901788U JPH0290326U (en) | 1988-12-27 | 1988-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0290326U true JPH0290326U (en) | 1990-07-18 |
Family
ID=31458706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16901788U Pending JPH0290326U (en) | 1988-12-27 | 1988-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0290326U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014203382A1 (en) * | 2013-06-20 | 2014-12-24 | トヨタ自動車株式会社 | Compression ignition internal combustion engine |
| WO2014203381A1 (en) * | 2013-06-20 | 2014-12-24 | トヨタ自動車株式会社 | Compression ignition internal combustion engine |
-
1988
- 1988-12-27 JP JP16901788U patent/JPH0290326U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014203382A1 (en) * | 2013-06-20 | 2014-12-24 | トヨタ自動車株式会社 | Compression ignition internal combustion engine |
| WO2014203381A1 (en) * | 2013-06-20 | 2014-12-24 | トヨタ自動車株式会社 | Compression ignition internal combustion engine |
| JPWO2014203382A1 (en) * | 2013-06-20 | 2017-02-23 | トヨタ自動車株式会社 | Compression ignition internal combustion engine |