JPH02101030U - - Google Patents
Info
- Publication number
- JPH02101030U JPH02101030U JP823789U JP823789U JPH02101030U JP H02101030 U JPH02101030 U JP H02101030U JP 823789 U JP823789 U JP 823789U JP 823789 U JP823789 U JP 823789U JP H02101030 U JPH02101030 U JP H02101030U
- Authority
- JP
- Japan
- Prior art keywords
- sub
- piston
- cavity
- hole
- top surface
- 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 3
- 239000000446 fuel Substances 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図は本考案の一実施例を示す側断面図、第
２図は上面図、第３図は燃焼状態を説明する図面
、第４図は本考案の別の実施例を示す上面図であ
る。
２……キヤビテイ、４……副溝、５……第１の
副孔、６……第２の副孔、１２……燃料噴霧、１
３……インピンジ点、１４……突部。
Fig. 1 is a side sectional view showing one embodiment of the present invention, Fig. 2 is a top view, Fig. 3 is a drawing explaining the combustion state, and Fig. 4 is a top view showing another embodiment of the invention. be. 2... Cavity, 4... Sub-groove, 5... First sub-hole, 6... Second sub-hole, 12... Fuel spray, 1
3... Impingement point, 14... Protrusion.
Claims (1)
ヤビテイとピストン外周との間のピストン頂面に
リング状の副溝を形成すると共に、該副溝とキヤ
ビテイ壁の燃料噴霧衝突点とを連通する半径方向
の第１の副孔と、前記衝突点からスワール流の方
向へキヤビテイ壁に接線状に延び前記副溝に連通
する第２の副孔とを穿設し、更に、シリンダヘツ
ド下面から上死点時に前記副孔に挿入されるリン
グ状の突部を突出したことを特徴とする内燃機関
の燃焼室構造。 A cavity is formed in the center of the top surface of the piston, and a ring-shaped minor groove is formed on the top surface of the piston between the cavity and the outer periphery of the piston, and a radial direction that communicates the minor groove with the fuel spray collision point on the cavity wall. a first sub-hole and a second sub-hole extending tangentially from the collision point to the cavity wall in the direction of the swirl flow and communicating with the sub-groove; A combustion chamber structure for an internal combustion engine, characterized in that a ring-shaped protrusion that is sometimes inserted into the sub-hole is protruded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP823789U JPH02101030U (en) | 1989-01-30 | 1989-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP823789U JPH02101030U (en) | 1989-01-30 | 1989-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02101030U true JPH02101030U (en) | 1990-08-10 |
Family
ID=31213934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP823789U Pending JPH02101030U (en) | 1989-01-30 | 1989-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02101030U (en) |
-
1989
- 1989-01-30 JP JP823789U patent/JPH02101030U/ja active Pending
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