JPH0424627U - - Google Patents
Info
- Publication number
- JPH0424627U JPH0424627U JP6543190U JP6543190U JPH0424627U JP H0424627 U JPH0424627 U JP H0424627U JP 6543190 U JP6543190 U JP 6543190U JP 6543190 U JP6543190 U JP 6543190U JP H0424627 U JPH0424627 U JP H0424627U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust valve
- cylinder head
- wall surface
- concave groove
- groove
- 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 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図は２サイクルデイーゼル機関の側面断面
図、第２図は第１図のシリンダヘツドの底面図、
第３図はピストンが上昇したところを示した第２
図の−線に沿つてみた断面図、第４図は第１
図のピストンを示す斜視図、第５図は別の実施例
におけるシリンダヘツドの底面図、第６図は別の
実施例におけるピストンの斜視図、第７図は更に
別の実施例におけるピストンを示す図、第８図は
更に別の実施例におけるピストンを示す図、第９
図は第８図のピストンを示す斜視図である。
２……ピストン、２ａ……ピストン突出部、３
ａ……シリンダヘツド内壁面、６……給気弁、７
……給気弁座、９……排気弁、１２……副室、１
３……副室噴孔、１６……凹溝、２０……給気弁
凹溝、２０ａ……部分円筒状周壁面部分。
Figure 1 is a side sectional view of a two-stroke diesel engine, Figure 2 is a bottom view of the cylinder head in Figure 1,
Figure 3 shows the second position where the piston has risen.
A cross-sectional view taken along the - line in the figure, Figure 4 is the 1st
FIG. 5 is a bottom view of the cylinder head in another embodiment, FIG. 6 is a perspective view of the piston in another embodiment, and FIG. 7 is a piston in yet another embodiment. Figure 8 is a diagram showing a piston in yet another embodiment, Figure 9 is a diagram showing a piston in another embodiment.
The figure is a perspective view showing the piston of FIG. 8. 2...Piston, 2a...Piston protrusion, 3
a... Cylinder head inner wall surface, 6... Air supply valve, 7
...Air supply valve seat, 9...Exhaust valve, 12...Sub-chamber, 1
3... Sub-chamber nozzle hole, 16... Concave groove, 20... Air supply valve concave groove, 20a... Partial cylindrical peripheral wall surface portion.
Claims (1)
を備え、排気弁側に位置する給気弁周縁部と弁座
間に形成される開口をマスク壁によつて覆うよう
にした２サイクルデイーゼル機関の燃焼室構造に
おいて、排気弁周りのシリンダヘツド内壁面上に
凹溝を形成して該凹溝内に排気弁を配置すると共
に該凹溝の深さを排気弁の最大リフト量よりも深
く形成し、ピストン頂面上に該凹溝内に侵入可能
な突出部を形成し、該凹溝を除くシリンダヘツド
内壁面上に副室噴孔を配置した副室付き２サイク
ルデイーゼル機関の燃焼室構造。 Combustion of a two-stroke diesel engine that is equipped with an intake valve and an exhaust valve on the inner wall surface of the cylinder head, and the opening formed between the intake valve periphery and the valve seat located on the exhaust valve side is covered by a mask wall. In the chamber structure, a concave groove is formed on the inner wall surface of the cylinder head around the exhaust valve, the exhaust valve is disposed within the concave groove, and the depth of the concave groove is formed to be deeper than the maximum lift amount of the exhaust valve, A combustion chamber structure for a two-stroke diesel engine with a subchamber, in which a protrusion that can enter the groove is formed on the top surface of the piston, and a subchamber nozzle hole is arranged on the inner wall surface of the cylinder head excluding the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6543190U JP2501603Y2 (en) | 1990-06-22 | 1990-06-22 | Combustion chamber structure of 2-cycle diesel engine with sub chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6543190U JP2501603Y2 (en) | 1990-06-22 | 1990-06-22 | Combustion chamber structure of 2-cycle diesel engine with sub chamber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0424627U true JPH0424627U (en) | 1992-02-27 |
| JP2501603Y2 JP2501603Y2 (en) | 1996-06-19 |
Family
ID=31597255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6543190U Expired - Lifetime JP2501603Y2 (en) | 1990-06-22 | 1990-06-22 | Combustion chamber structure of 2-cycle diesel engine with sub chamber |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2501603Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0814053A (en) * | 1994-06-28 | 1996-01-16 | Kawasaki Heavy Ind Ltd | Method and device for controlling intake air for engine |
| JP2013068214A (en) * | 2011-05-09 | 2013-04-18 | Panasonic Corp | Hermetic compressor |
| WO2017034983A1 (en) * | 2015-08-26 | 2017-03-02 | Carrier Corporation | Reciprocating compressor vented piston |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4165516B2 (en) * | 2005-02-18 | 2008-10-15 | 三菱自動車工業株式会社 | Combustion chamber structure of internal combustion engine |
-
1990
- 1990-06-22 JP JP6543190U patent/JP2501603Y2/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0814053A (en) * | 1994-06-28 | 1996-01-16 | Kawasaki Heavy Ind Ltd | Method and device for controlling intake air for engine |
| JP2013068214A (en) * | 2011-05-09 | 2013-04-18 | Panasonic Corp | Hermetic compressor |
| US9518571B2 (en) | 2011-05-09 | 2016-12-13 | Panasonic Intellectual Property Management Co., Ltd. | Sealed compressor |
| WO2017034983A1 (en) * | 2015-08-26 | 2017-03-02 | Carrier Corporation | Reciprocating compressor vented piston |
| CN107923378A (en) * | 2015-08-26 | 2018-04-17 | 开利公司 | Reciprocating compressor exhaust pition |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2501603Y2 (en) | 1996-06-19 |