JPH0226728U - - Google Patents
Info
- Publication number
- JPH0226728U JPH0226728U JP10350888U JP10350888U JPH0226728U JP H0226728 U JPH0226728 U JP H0226728U JP 10350888 U JP10350888 U JP 10350888U JP 10350888 U JP10350888 U JP 10350888U JP H0226728 U JPH0226728 U JP H0226728U
- Authority
- JP
- Japan
- Prior art keywords
- combustion chamber
- fuel
- auxiliary
- auxiliary combustion
- direct injection
- 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 19
- 239000000446 fuel Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の一実施例に係る燃焼室構造の
断面図、第２図はピストン頂面の平面図、第３図
は従来の燃焼室構造の断面図、第４図は従来のピ
ストン頂面に設けた燃焼室内に於ける燃料の噴射
状態を示す説明図である。
１……燃料噴射ノズル、３……点火プラグ、１
９……燃焼室、１９ａ……主燃焼室、１９ｂ……
副燃焼室、２１……絞り通路、２３……衝突壁。
Fig. 1 is a sectional view of a combustion chamber structure according to an embodiment of the present invention, Fig. 2 is a plan view of the top surface of the piston, Fig. 3 is a sectional view of a conventional combustion chamber structure, and Fig. 4 is a sectional view of a conventional piston. FIG. 3 is an explanatory diagram showing a state of fuel injection in a combustion chamber provided on the top surface. 1...Fuel injection nozzle, 3...Spark plug, 1
9... Combustion chamber, 19a... Main combustion chamber, 19b...
Sub-combustion chamber, 21... Throttle passage, 23... Collision wall.
Claims (1)
成し、当該燃焼室内に多孔式の燃料噴射ノズルと
点火プラグを臨ませた直噴式火花点火内燃機関に
於て、上記燃焼室を、主燃焼室とこれと連通する
容積の小さい副燃焼室とで構成し、上記点火プラ
グを当該副燃焼室に臨ませると共に、主燃焼室と
副燃焼室の間に、副燃焼室側へ噴射される燃料の
一部を衝突飛散させて他の噴射燃料と合流させる
衝突壁を設けたことを特徴とする直噴式火花点火
内燃機関の燃焼室構造。 In a direct injection spark ignition internal combustion engine in which a cavity is provided on the top surface of the piston to form a combustion chamber, and a porous fuel injection nozzle and a spark plug are exposed inside the combustion chamber, the combustion chamber is referred to as the main combustion chamber. The ignition plug is configured with a small-volume auxiliary combustion chamber that communicates with the auxiliary combustion chamber, and the spark plug faces the auxiliary combustion chamber, and between the main combustion chamber and the auxiliary combustion chamber, a part of the fuel injected into the auxiliary combustion chamber side is provided. A combustion chamber structure for a direct injection spark ignition internal combustion engine, characterized in that a collision wall is provided for colliding and scattering parts of the fuel to merge with other injected fuel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10350888U JPH0226728U (en) | 1988-08-04 | 1988-08-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10350888U JPH0226728U (en) | 1988-08-04 | 1988-08-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0226728U true JPH0226728U (en) | 1990-02-21 |
Family
ID=31334405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10350888U Pending JPH0226728U (en) | 1988-08-04 | 1988-08-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0226728U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018204599A (en) * | 2017-06-02 | 2018-12-27 | マツダ株式会社 | Engine combustion chamber structure |
| JP2018204507A (en) * | 2017-06-02 | 2018-12-27 | マツダ株式会社 | Engine combustion chamber structure |
-
1988
- 1988-08-04 JP JP10350888U patent/JPH0226728U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018204599A (en) * | 2017-06-02 | 2018-12-27 | マツダ株式会社 | Engine combustion chamber structure |
| JP2018204598A (en) * | 2017-06-02 | 2018-12-27 | マツダ株式会社 | Combustion chamber structure for engine |
| JP2018204507A (en) * | 2017-06-02 | 2018-12-27 | マツダ株式会社 | Engine combustion chamber structure |