JPH046535U - - Google Patents
Info
- Publication number
- JPH046535U JPH046535U JP4464890U JP4464890U JPH046535U JP H046535 U JPH046535 U JP H046535U JP 4464890 U JP4464890 U JP 4464890U JP 4464890 U JP4464890 U JP 4464890U JP H046535 U JPH046535 U JP H046535U
- Authority
- JP
- Japan
- Prior art keywords
- dish part
- combustion chamber
- spark ignition
- ignition engine
- view
- 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
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１Ａ図は本考案実施例に係る筒内直接噴射式
火花点火機関の燃焼室の平面図、第１Ｂ図は第１
Ａ図の筒内直接噴射式火花点火機関の断面図、第
２Ａ図は燃料噴射が深皿部に入る状態を示す燃焼
室の平面図、第２Ｂ図は第２Ａ図の燃焼室の断面
図、第２Ｃ図は燃料噴射が外縁部に入る状態を示
す燃焼室の平面図、第２Ｄ図は第２Ｃ図の燃焼室
の断面図、第２Ｅ図は燃料噴射が浅皿部に当る状
態を示す燃焼室の平面図、第２Ｆ図は第２Ｅ図の
燃焼室の断面図、第３図は本考案の第１実施例に
係る噴射時期特性図、第４図は本考案の第２実施
例に係る噴射時期特性図、第５図は本考案の第３
実施例に係る噴射時期特性図、である。
１……ピストン、２……深皿部、３……浅皿部
、３′……外縁部、４……溝部、４′……エツジ
部、５……プラグポケツト、６……点火プラグ、
８……噴射ノズル。
FIG. 1A is a plan view of the combustion chamber of the direct injection spark ignition engine according to the embodiment of the present invention, and FIG.
Figure A is a cross-sectional view of the in-cylinder direct injection spark ignition engine, Figure 2A is a plan view of the combustion chamber showing a state in which fuel injection enters the deep dish section, Figure 2B is a cross-sectional view of the combustion chamber of Figure 2A, Figure 2C is a plan view of the combustion chamber showing a state in which fuel injection enters the outer edge, Figure 2D is a sectional view of the combustion chamber in Figure 2C, and Figure 2E is a combustion chamber showing a state in which fuel injection hits the shallow dish part. FIG. 2F is a sectional view of the combustion chamber shown in FIG. 2E, FIG. 3 is an injection timing characteristic diagram according to the first embodiment of the present invention, and FIG. 4 is a diagram according to the second embodiment of the present invention. The injection timing characteristic diagram, Figure 5, is the third characteristic of the present invention.
FIG. 3 is an injection timing characteristic diagram according to an example. 1...Piston, 2...Deep dish part, 3...Shallow dish part, 3'...Outer edge part, 4...Groove part, 4'...Edge part, 5...Plug pocket, 6...Spark plug,
8...Injection nozzle.
Claims (1)
なる燃焼室を有する筒内直接噴射式火花点火機関
において、前記浅皿部の底面を凸曲面から構成し
たことを特徴とする筒内直接噴射式火花点火機関
。 An in-cylinder direct injection spark ignition engine having a combustion chamber consisting of a deep dish part and a shallow dish part formed at the top of a piston, characterized in that the bottom surface of the shallow dish part is constructed from a convex curved surface. spark ignition engine.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990044648U JP2587370Y2 (en) | 1990-04-27 | 1990-04-27 | In-cylinder direct injection spark ignition engine |
| US07/690,588 US5109816A (en) | 1990-04-27 | 1991-04-24 | Direct fuel injection type spark ignition internal combustion engine |
| EP91106686A EP0454117B1 (en) | 1990-04-27 | 1991-04-25 | Direct fuel injection type spark ignition internal combustion engine |
| DE91106686T DE69100552T2 (en) | 1990-04-27 | 1991-04-25 | Spark-ignition internal combustion engine with direct injection. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990044648U JP2587370Y2 (en) | 1990-04-27 | 1990-04-27 | In-cylinder direct injection spark ignition engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH046535U true JPH046535U (en) | 1992-01-21 |
| JP2587370Y2 JP2587370Y2 (en) | 1998-12-16 |
Family
ID=31558141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990044648U Expired - Lifetime JP2587370Y2 (en) | 1990-04-27 | 1990-04-27 | In-cylinder direct injection spark ignition engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2587370Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012137004A (en) * | 2010-12-27 | 2012-07-19 | Nissan Motor Co Ltd | Internal combustion engine |
| CN103133121A (en) * | 2011-11-25 | 2013-06-05 | 本田技研工业株式会社 | Internal-combustion engine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6316124A (en) * | 1986-07-07 | 1988-01-23 | Isuzu Motors Ltd | Pent roof type piston |
| JPH0228526U (en) * | 1988-08-17 | 1990-02-23 | ||
| JPH0228527U (en) * | 1988-08-17 | 1990-02-23 |
-
1990
- 1990-04-27 JP JP1990044648U patent/JP2587370Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6316124A (en) * | 1986-07-07 | 1988-01-23 | Isuzu Motors Ltd | Pent roof type piston |
| JPH0228526U (en) * | 1988-08-17 | 1990-02-23 | ||
| JPH0228527U (en) * | 1988-08-17 | 1990-02-23 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012137004A (en) * | 2010-12-27 | 2012-07-19 | Nissan Motor Co Ltd | Internal combustion engine |
| CN103133121A (en) * | 2011-11-25 | 2013-06-05 | 本田技研工业株式会社 | Internal-combustion engine |
| JP2013113119A (en) * | 2011-11-25 | 2013-06-10 | Honda Motor Co Ltd | Internal combustion engine |
| US9803539B2 (en) | 2011-11-25 | 2017-10-31 | Honda Motor Co., Ltd. | Internal-combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2587370Y2 (en) | 1998-12-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |