JPS6290934U - - Google Patents
Info
- Publication number
- JPS6290934U JPS6290934U JP18349585U JP18349585U JPS6290934U JP S6290934 U JPS6290934 U JP S6290934U JP 18349585 U JP18349585 U JP 18349585U JP 18349585 U JP18349585 U JP 18349585U JP S6290934 U JPS6290934 U JP S6290934U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- guide groove
- combustion engine
- internal combustion
- swirl guide
- 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 4
- 239000000446 fuel Substances 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 1
- 238000002347 injection Methods 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図は本考案の一実施例の断面図、第２図は
そのピストン本体の平面図、第３図は第２図のＡ
―Ａ拡大断面図、第４図はスワール案内溝の他の
実施例の拡大断面図、第５図及び第６図は本考案
を説明するための図である。
１……ピストン本体、２……キヤビテイ、３…
…ピストン頂面、４……スワール案内溝。
Figure 1 is a sectional view of one embodiment of the present invention, Figure 2 is a plan view of the piston body, and Figure 3 is A of Figure 2.
-A is an enlarged sectional view, FIG. 4 is an enlarged sectional view of another embodiment of the swirl guide groove, and FIGS. 5 and 6 are views for explaining the present invention. 1... Piston body, 2... Cavity, 3...
...Piston top surface, 4...Swirl guide groove.
Claims (1)
案内溝を設けた内燃機関のピストンにおいて、上
記スワール案内溝を、燃料噴射数に合致させると
共に噴射燃料が当接する位置に対してキヤビテイ
壁の接線方向に設けたことを特徴とする内燃機関
のピストン (2) スワール案内溝は、ピストン頂面外周から
キヤビテイに向かつて幅及び深さが漸次大きくな
つている実用新案登録請求の範囲第１項記載の内
燃機関のピストン。 (3) スワール案内溝は、断面形状が三角形でス
ワール上流側が傾斜している実用新案登録請求の
範囲第１項又は第２項記載の内燃機関のピストン
。[Scope of Claim for Utility Model Registration] (1) In a piston for an internal combustion engine in which a swirl guide groove is provided on the top surface of the piston with a cavity, the swirl guide groove is adjusted to match the number of fuel injections and at a position where the injected fuel comes into contact with the piston. (2) A piston for an internal combustion engine characterized in that the swirl guide groove is provided in the tangential direction of the cavity wall.The swirl guide groove gradually increases in width and depth from the outer periphery of the top surface of the piston toward the cavity.Claim for Utility Model Registration A piston for an internal combustion engine according to range 1. (3) The piston for an internal combustion engine according to claim 1 or 2, wherein the swirl guide groove has a triangular cross-sectional shape and an inclined upstream side of the swirl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18349585U JPS6290934U (en) | 1985-11-28 | 1985-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18349585U JPS6290934U (en) | 1985-11-28 | 1985-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6290934U true JPS6290934U (en) | 1987-06-10 |
Family
ID=31130283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18349585U Pending JPS6290934U (en) | 1985-11-28 | 1985-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6290934U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007239720A (en) * | 2006-03-13 | 2007-09-20 | Kubota Corp | Direct injection diesel engine |
-
1985
- 1985-11-28 JP JP18349585U patent/JPS6290934U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007239720A (en) * | 2006-03-13 | 2007-09-20 | Kubota Corp | Direct injection diesel engine |
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