JPH023021U - - Google Patents
Info
- Publication number
- JPH023021U JPH023021U JP8084688U JP8084688U JPH023021U JP H023021 U JPH023021 U JP H023021U JP 8084688 U JP8084688 U JP 8084688U JP 8084688 U JP8084688 U JP 8084688U JP H023021 U JPH023021 U JP H023021U
- Authority
- JP
- Japan
- Prior art keywords
- combustion chamber
- injection
- diesel engine
- direct
- nozzle
- 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 7
- 239000007924 injection Substances 0.000 claims description 7
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 4
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の第１の実施例の燃焼室の正面
図、第２図は第１図の―線切断縦断面図、第
３図は第２図の―線切断縦断面図、第４図は
本考案の第２の実施例の燃焼室の前記第１の実施
例の第３図に相当する縦断面図である。
１……ピストン、２……頂面、３……凹部、４
……噴射ノズル、５……噴孔、６……リツプ、７
……凸部、７ａ……凸部の対角線、３５，３６…
…凹部の対角線、７１，７２，７３，７４……陵
線、Ｆ１，Ｆ２，Ｆ３，Ｆ４……噴霧燃料、Ｓ…
…スワール、Ｑ……スキツシユ流、ＣＭ……角部
渦流、ＲＭ……陵線乱れ。
Fig. 1 is a front view of the combustion chamber of the first embodiment of the present invention, Fig. 2 is a longitudinal sectional view taken along the line - - of Fig. 1, and Fig. 3 is a longitudinal sectional view taken along the - line of Fig. 2; FIG. 4 is a longitudinal sectional view of the combustion chamber of the second embodiment of the present invention, which corresponds to FIG. 3 of the first embodiment. 1... Piston, 2... Top surface, 3... Recess, 4
... Injection nozzle, 5 ... Nozzle hole, 6 ... Lip, 7
...Convex portion, 7a...Diagonal line of convex portion, 35, 36...
...Diagonal line of recess, 71, 72, 73, 74... Ridge line, F 1 , F 2 , F 3 , F 4 ... Sprayed fuel, S...
...Swirl, Q...Squirtle flow, CM...Corner vortex, RM...Round line disturbance.
Claims (1)
の上部に設けた燃料噴射ノズルよりの噴霧燃料を
燃焼せしめる形式の直噴式デイーゼル機関の燃焼
室において、前記凹部の断面形状を燃料噴射ノズ
ルの噴孔数と同数の正多角形として、かつ前記凹
部の中央に前記噴孔数と同数の正多角形錐状凸部
を設けてなる直噴式デイーゼル機関の燃焼室。 In the combustion chamber of a direct-injection diesel engine, in which a recess formed on the top surface of the piston is used as a combustion chamber, and atomized fuel from a fuel injection nozzle provided at the top of the combustion chamber is combusted, the cross-sectional shape of the recess is the injection hole of the fuel injection nozzle. A combustion chamber of a direct injection diesel engine, which has the same number of regular polygons as the number of nozzle holes, and is provided with a regular polygonal conical convex part in the center of the recessed part, the same number as the number of injection holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8084688U JPH023021U (en) | 1988-06-18 | 1988-06-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8084688U JPH023021U (en) | 1988-06-18 | 1988-06-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH023021U true JPH023021U (en) | 1990-01-10 |
Family
ID=31305661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8084688U Pending JPH023021U (en) | 1988-06-18 | 1988-06-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH023021U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8424506B2 (en) | 2007-10-22 | 2013-04-23 | Toyota Jidosha Kabushiki Kaisha | Direct-injection type engine |
| JP2013534593A (en) * | 2010-07-28 | 2013-09-05 | アウディ アクチェンゲゼルシャフト | Self-igniting internal combustion engine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5617320B2 (en) * | 1977-09-13 | 1981-04-21 |
-
1988
- 1988-06-18 JP JP8084688U patent/JPH023021U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5617320B2 (en) * | 1977-09-13 | 1981-04-21 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8424506B2 (en) | 2007-10-22 | 2013-04-23 | Toyota Jidosha Kabushiki Kaisha | Direct-injection type engine |
| JP2013534593A (en) * | 2010-07-28 | 2013-09-05 | アウディ アクチェンゲゼルシャフト | Self-igniting internal combustion engine |