JPH0465924U - - Google Patents
Info
- Publication number
- JPH0465924U JPH0465924U JP10699190U JP10699190U JPH0465924U JP H0465924 U JPH0465924 U JP H0465924U JP 10699190 U JP10699190 U JP 10699190U JP 10699190 U JP10699190 U JP 10699190U JP H0465924 U JPH0465924 U JP H0465924U
- Authority
- JP
- Japan
- Prior art keywords
- auxiliary
- chamber
- combustion chamber
- main
- nozzle
- 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 description 10
- 238000010586 diagram Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 1
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１〜２図は考案の第１実施例に係るもので、
第１図は燃焼室の断面図、第２図は第１図のピス
トン上方から見た時のキヤビテイ形状及び噴流分
散特性図、第３図は第２実施例の第２図応当図、
第４図は従来例の第１図応当図である。
１……主燃焼室、２……副燃焼室、３……副室
噴口、６……ピストン、３ａ……テーパ状の第１
副室噴口、３ｂ……ストレート状の第２副室噴口
、８……ピストンキヤビテイ側壁の凹部。
Figures 1 and 2 relate to the first embodiment of the invention,
Figure 1 is a sectional view of the combustion chamber, Figure 2 is a diagram of the cavity shape and jet dispersion characteristics when viewed from above the piston in Figure 1, Figure 3 is a diagram corresponding to Figure 2 of the second embodiment,
FIG. 4 is a diagram corresponding to FIG. 1 of the conventional example. 1... Main combustion chamber, 2... Sub-combustion chamber, 3... Sub-chamber nozzle, 6... Piston, 3a... Tapered first
Sub-chamber nozzle, 3b... Straight second sub-chamber nozzle, 8... Recessed portion of piston cavity side wall.
Claims (1)
され、該副室噴口は主燃焼室側開口端の噴口面積
ｆ１が副燃焼室側開口端の噴口面積ｆ２より大き
く形成したテーパ状の第１副室噴口３ａと、主、
副燃焼室側開口端の噴口が同一面積ｆ０のストレ
ート状の第２副室噴口３ｂとを円周方向に交互に
配列すると共に、ピストン頂部にピストンキヤビ
テイをそなえたものにおいて、前記主、副燃焼室
側開口端の噴口面積が同一である第２副室噴口３
ｂの軸線の延長線上にあるピストンキヤビテイ側
壁部にピストンの半径方向に陥没した凹部８を形
成したことを特徴とする副室式内燃機関の燃焼室
。 The auxiliary combustion chamber and the main combustion chamber are communicated with each other by an even number of auxiliary chamber nozzles, and the auxiliary chamber nozzles are formed such that the nozzle area f1 at the opening end on the main combustion chamber side is larger than the nozzle area f2 at the opening end on the auxiliary combustion chamber side. A tapered first auxiliary chamber nozzle 3a, a main,
The main , Second auxiliary chamber nozzle 3 having the same nozzle area at the opening end on the auxiliary combustion chamber side
A combustion chamber for a sub-chamber type internal combustion engine, characterized in that a recess 8 recessed in the radial direction of the piston is formed in a side wall of the piston cavity on an extension of the axis of FIG.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10699190U JP2513233Y2 (en) | 1990-10-13 | 1990-10-13 | Combustion chamber of a sub-chamber internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10699190U JP2513233Y2 (en) | 1990-10-13 | 1990-10-13 | Combustion chamber of a sub-chamber internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0465924U true JPH0465924U (en) | 1992-06-09 |
| JP2513233Y2 JP2513233Y2 (en) | 1996-10-02 |
Family
ID=31853305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10699190U Expired - Fee Related JP2513233Y2 (en) | 1990-10-13 | 1990-10-13 | Combustion chamber of a sub-chamber internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2513233Y2 (en) |
-
1990
- 1990-10-13 JP JP10699190U patent/JP2513233Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2513233Y2 (en) | 1996-10-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |