JPH02145629U - - Google Patents
Info
- Publication number
- JPH02145629U JPH02145629U JP5445389U JP5445389U JPH02145629U JP H02145629 U JPH02145629 U JP H02145629U JP 5445389 U JP5445389 U JP 5445389U JP 5445389 U JP5445389 U JP 5445389U JP H02145629 U JPH02145629 U JP H02145629U
- Authority
- JP
- Japan
- Prior art keywords
- jet
- guide groove
- air supply
- cylinder head
- supply valve
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図はシリンダヘツドの底面図、第２図は第
１図の−線に沿つてみた側面断面図、第３図
はピストン頂面の平面図、第４図は第１図の−
線に沿つてみた側面断面図、第５図は給気弁の
リフト曲線を示す線図、第６図は別の実施例を示
すピストン頂面の平面図、第７図は更に別の実施
例を示すピストン頂面の平面図、第８図は第７図
の−線に沿つてみた側面断面図、第９図は更
に別の実施例を示すピストン頂面の平面図、第１
０図は第９図の副室周りの側面断面図である。
４……主室、５……給気弁、７……排気弁、９
……副室、１０，１０ａ，１０ｂ……噴口、１３
……マスク壁、１４……マスク壁受容孔、１５…
…噴流ガイド溝。
Fig. 1 is a bottom view of the cylinder head, Fig. 2 is a side sectional view taken along the - line in Fig. 1, Fig. 3 is a plan view of the top surface of the piston, and Fig. 4 is a - of Fig. 1.
5 is a diagram showing the lift curve of the intake valve, FIG. 6 is a plan view of the top surface of the piston showing another embodiment, and FIG. 7 is still another embodiment. FIG. 8 is a side sectional view taken along the line - in FIG. 7, and FIG. 9 is a plan view of the top surface of the piston showing still another embodiment.
FIG. 0 is a side sectional view of the area around the auxiliary chamber in FIG. 9. 4...Main room, 5...Air supply valve, 7...Exhaust valve, 9
...Auxiliary chamber, 10, 10a, 10b...Nozzle, 13
...Mask wall, 14...Mask wall receiving hole, 15...
...jet guide groove.
Claims (1)
ダヘツド内壁面から突出させて該マスク壁により
排気弁側に位置する給気弁開口を覆い、ピストン
頂面とシリンダヘツド内壁面間に副室の噴口から
噴出した噴流を主室内の予め定められた領域に案
内する噴流ガイド溝を形成し、該噴流ガイド溝を
噴流ガイド溝内を流れる噴流がマスク壁と接触し
ないように配置した２サイクルデイーゼル機関の
燃焼室構造。 A mask wall extending along the peripheral edge of the air supply valve protrudes from the inner wall surface of the cylinder head to cover the air supply valve opening located on the exhaust valve side, and a subchamber is formed between the top surface of the piston and the inner wall surface of the cylinder head. A two-cycle diesel engine that forms a jet guide groove that guides the jet ejected from the jet port to a predetermined area in the main chamber, and arranges the jet guide groove so that the jet flowing inside the jet guide groove does not come into contact with the mask wall. combustion chamber structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989054453U JPH089377Y2 (en) | 1989-05-15 | 1989-05-15 | Combustion chamber structure of 2-cycle diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989054453U JPH089377Y2 (en) | 1989-05-15 | 1989-05-15 | Combustion chamber structure of 2-cycle diesel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02145629U true JPH02145629U (en) | 1990-12-11 |
| JPH089377Y2 JPH089377Y2 (en) | 1996-03-21 |
Family
ID=31576529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989054453U Expired - Lifetime JPH089377Y2 (en) | 1989-05-15 | 1989-05-15 | Combustion chamber structure of 2-cycle diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH089377Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5991420U (en) * | 1982-12-14 | 1984-06-21 | 日産自動車株式会社 | Swirl chamber diesel engine |
| JPS6282308U (en) * | 1985-11-12 | 1987-05-26 |
-
1989
- 1989-05-15 JP JP1989054453U patent/JPH089377Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5991420U (en) * | 1982-12-14 | 1984-06-21 | 日産自動車株式会社 | Swirl chamber diesel engine |
| JPS6282308U (en) * | 1985-11-12 | 1987-05-26 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH089377Y2 (en) | 1996-03-21 |