JPH02144622U - - Google Patents
Info
- Publication number
- JPH02144622U JPH02144622U JP5281389U JP5281389U JPH02144622U JP H02144622 U JPH02144622 U JP H02144622U JP 5281389 U JP5281389 U JP 5281389U JP 5281389 U JP5281389 U JP 5281389U JP H02144622 U JPH02144622 U JP H02144622U
- Authority
- JP
- Japan
- Prior art keywords
- cavity
- injection nozzle
- combustion engine
- internal combustion
- 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 6
- 239000000446 fuel Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図は本考案の第一実施例に係る燃焼室構造
を設けたピストンの平面図、第２図は第１図の
−線断面図、第３図は本考案の第二実施例に係
る燃焼室構造を設けたピストンの平面図、第４図
は従来の燃焼室構造の断面図、第５図はピストン
の平面図である。
１５…キヤビテイ、１５ａ…キヤビテイ壁面、
１５ｂ…キヤビテイ底面、１７…ピストン、１７
ａ…ピストン頂面、１９…燃料噴射ノズル、２１
…突起。
Fig. 1 is a plan view of a piston equipped with a combustion chamber structure according to a first embodiment of the present invention, Fig. 2 is a sectional view taken along the line - - of Fig. 1, and Fig. 3 is a plan view of a piston provided with a combustion chamber structure according to a first embodiment of the present invention. FIG. 4 is a sectional view of a conventional combustion chamber structure, and FIG. 5 is a plan view of the piston. 15...Cavity, 15a...Cavity wall surface,
15b...Cavity bottom surface, 17...Piston, 17
a... Piston top surface, 19... Fuel injection nozzle, 21
…protrusion.
Claims (1)
ビテイの略中心に、燃料を放射状に噴射する燃料
噴射ノズルを臨ませてなる内燃機関に於て、上記
燃料噴射ノズルから噴射される燃料のスワール下
流側に、キヤビテイの壁面に沿つて旋回流を発生
させる断面略翼形状の突起をキヤビテイ底面から
立設させたことを特徴とする内燃機関の燃焼室構
造。 In an internal combustion engine in which a cavity is formed on the top surface of the piston, and a fuel injection nozzle that injects fuel radially faces approximately at the center of the cavity, a swirl of fuel injected from the fuel injection nozzle is on the downstream side. A combustion chamber structure for an internal combustion engine, characterized in that a protrusion having a substantially wing-shaped cross section that generates a swirling flow along the wall surface of the cavity is erected from the bottom surface of the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5281389U JPH02144622U (en) | 1989-05-08 | 1989-05-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5281389U JPH02144622U (en) | 1989-05-08 | 1989-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02144622U true JPH02144622U (en) | 1990-12-07 |
Family
ID=31573441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5281389U Pending JPH02144622U (en) | 1989-05-08 | 1989-05-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02144622U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018115605A (en) * | 2017-01-18 | 2018-07-26 | いすゞ自動車株式会社 | Combustion chamber structure |
-
1989
- 1989-05-08 JP JP5281389U patent/JPH02144622U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018115605A (en) * | 2017-01-18 | 2018-07-26 | いすゞ自動車株式会社 | Combustion chamber structure |