JPH01127931U - - Google Patents
Info
- Publication number
- JPH01127931U JPH01127931U JP2421088U JP2421088U JPH01127931U JP H01127931 U JPH01127931 U JP H01127931U JP 2421088 U JP2421088 U JP 2421088U JP 2421088 U JP2421088 U JP 2421088U JP H01127931 U JPH01127931 U JP H01127931U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- further away
- combustion chamber
- wall structure
- chamber wall
- 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 7
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案による燃料噴射式内燃機関の燃
焼室壁構造を直噴式デイーゼル機関に適用した一
つの実施例をその要部について示す縦断面図、第
２図は第１図に示された直噴式デイーゼル機関に
用いられるピストンの平面図、第３図及び第４図
は各々本考案による燃焼室壁構造の階段状形状の
他の実施例を示す拡大縦断面図、第５図は本考案
による燃焼室壁構造の他の一つの実施例を示すピ
ストン平面図である。
１０……シリンダブロツク、１２……シリンダ
ヘツド、１４……シリンダボア、１６……ピスト
ン、１８……燃焼室窪み、２０……燃料噴射ノズ
ル、２２……底壁、２４……段差エツジ、２６…
…周壁、２８……円弧壁、３０……リフレクタ。
Figure 1 is a longitudinal cross-sectional view showing the main parts of an embodiment in which the combustion chamber wall structure of a fuel-injected internal combustion engine according to the present invention is applied to a direct-injection diesel engine, and Figure 2 is a cross-sectional view of the main parts shown in Figure 1. A plan view of a piston used in a direct injection diesel engine, FIGS. 3 and 4 are enlarged vertical cross-sectional views showing other embodiments of the step-like combustion chamber wall structure according to the present invention, and FIG. 5 is a plan view of a piston according to the present invention. FIG. 3 is a plan view of a piston showing another embodiment of a combustion chamber wall structure according to the present invention. DESCRIPTION OF SYMBOLS 10... Cylinder block, 12... Cylinder head, 14... Cylinder bore, 16... Piston, 18... Combustion chamber recess, 20... Fuel injection nozzle, 22... Bottom wall, 24... Step edge, 26...
...Peripheral wall, 28...Circular wall, 30...Reflector.
Claims (1)
射主流軸線より遠去かる方向へ階段状に傾斜し、
その階段状部の段差エツジは前記燃料の噴射主流
軸線を横切る方向に延在していることを特徴とす
る内燃機関の燃焼室壁構造。 The further away from the fuel injection start position, the further away from the mainstream axis of fuel injection the slope is inclined in a step-like manner.
A combustion chamber wall structure for an internal combustion engine, characterized in that a step edge of the stepped portion extends in a direction transverse to the main axis of the fuel injection main stream.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2421088U JPH01127931U (en) | 1988-02-25 | 1988-02-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2421088U JPH01127931U (en) | 1988-02-25 | 1988-02-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01127931U true JPH01127931U (en) | 1989-08-31 |
Family
ID=31243868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2421088U Pending JPH01127931U (en) | 1988-02-25 | 1988-02-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01127931U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11885257B2 (en) | 2020-05-27 | 2024-01-30 | Scania Cv Ab | Piston, internal combustion engine, and vehicle |
-
1988
- 1988-02-25 JP JP2421088U patent/JPH01127931U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11885257B2 (en) | 2020-05-27 | 2024-01-30 | Scania Cv Ab | Piston, internal combustion engine, and vehicle |
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