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
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH02101030U (en) | ||
JPH01134732U (en) | ||
JPH01124042U (en) | ||
JPH0274524U (en) | ||
JPH0220722U (en) | ||
JPS6328872U (en) | ||
JPH0228527U (en) | ||
JPS6293126U (en) | ||
JPS6338631U (en) | ||
JPS6345025U (en) | ||
JPS62190823U (en) | ||
JPS5990032U (en) | Direct injection diesel engine combustion chamber | |
JPH02119932U (en) | ||
JPH03118230U (en) | ||
JPH02107750U (en) | ||
JPH0465924U (en) | ||
JPS61162536U (en) | ||
JPH0332123U (en) | ||
JPH03118229U (en) | ||
JPS61160227U (en) | ||
JPH02144622U (en) | ||
JPS63168219U (en) | ||
JPH0264722U (en) | ||
JPS58127125U (en) | hot plug | |
JPS61110835U (en) |