JPH01118121U - - Google Patents
Info
- Publication number
- JPH01118121U JPH01118121U JP1322788U JP1322788U JPH01118121U JP H01118121 U JPH01118121 U JP H01118121U JP 1322788 U JP1322788 U JP 1322788U JP 1322788 U JP1322788 U JP 1322788U JP H01118121 U JPH01118121 U JP H01118121U
- Authority
- JP
- Japan
- Prior art keywords
- combustion chamber
- swirl chamber
- piston
- chamber
- diesel engine
- 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 5
- 238000009792 diffusion process Methods 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 description 1
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第1図Aは本考案の一実施例の要部縦断面図、
第1図Bはそのピストンの平面図である。第2図
は本考案の他の実施例のピストンの平面図である
。第3図Aは従来例の要部縦断面図、第3図Bは
そのピストンの平面図である。
3…ピストン、4…シリンダヘツド、5…渦流
室、6…噴孔、8…ピストン頂面、9…主燃焼室
、11…トレンチ部、12…拡散部、13,23
…分散台、17,18…外殻。
FIG. 1A is a vertical cross-sectional view of a main part of an embodiment of the present invention;
FIG. 1B is a plan view of the piston. FIG. 2 is a plan view of a piston according to another embodiment of the present invention. FIG. 3A is a vertical cross-sectional view of a main part of a conventional example, and FIG. 3B is a plan view of the piston. 3...Piston, 4...Cylinder head, 5...Swirl chamber, 6...Nozzle hole, 8...Piston top surface, 9...Main combustion chamber, 11...Trench section, 12...Diffusion section, 13, 23
...Dispersion table, 17, 18... Outer shell.
Claims (1)
させた渦流室式デイーゼル機関の燃焼室を前提と
して、ピストン頂面に、その上方から見て渦流室
から主燃焼室への噴流の中心線上に溝状トレンチ
部を形成し、このトレンチ部から分岐してピスト
ン中心付近の領域から側方に拡がる凹状の拡散部
を形成し、この拡散部をトレンチ部に対して直交
方向に長い略長円形または楕円形に形成したこと
を特徴とする渦流室式デイーゼル機関の燃焼室。 Assuming the combustion chamber of a swirl chamber type diesel engine, in which the jet holes from the swirl chamber are opened near the edge of the main combustion chamber, the jet flow from the swirl chamber to the main combustion chamber is placed on the top surface of the piston when viewed from above. A groove-like trench part is formed on the center line, a concave diffusion part is formed that branches from this trench part and spreads laterally from a region near the center of the piston, and this diffusion part is formed into a long part in a direction orthogonal to the trench part. A combustion chamber of a swirl chamber type diesel engine characterized by having an oval or oval shape.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1322788U JPH01118121U (en) | 1988-02-03 | 1988-02-03 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1322788U JPH01118121U (en) | 1988-02-03 | 1988-02-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01118121U true JPH01118121U (en) | 1989-08-09 |
Family
ID=31223354
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1322788U Pending JPH01118121U (en) | 1988-02-03 | 1988-02-03 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01118121U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03234203A (en) * | 1990-02-08 | 1991-10-18 | Tanaka Kikinzoku Kogyo Kk | Pierced earring |
-
1988
- 1988-02-03 JP JP1322788U patent/JPH01118121U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03234203A (en) * | 1990-02-08 | 1991-10-18 | Tanaka Kikinzoku Kogyo Kk | Pierced earring |
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