JPS59165970U - direct injection engine - Google Patents
direct injection engineInfo
- Publication number
- JPS59165970U JPS59165970U JP6277283U JP6277283U JPS59165970U JP S59165970 U JPS59165970 U JP S59165970U JP 6277283 U JP6277283 U JP 6277283U JP 6277283 U JP6277283 U JP 6277283U JP S59165970 U JPS59165970 U JP S59165970U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- cavity
- direct injection
- injection engine
- main
- 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)
- Fuel-Injection Apparatus (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案に係る直接噴射エンジンのピストンヘッ
ド部分の縦断正面図、第２図は第１図の■−■線断面図
であり、第３図は従来例を示す第２図相当図である。
２・・・・・・キャビティ、２ｂ・・・・・・２の内周
壁、３・・・・・・ピストンヘッド、５・・・・・・シ
リンダヘッド、７・・・・・・燃料噴射ノズル、８・・
・・・・主噴口、９・・・・・・補助噴口、１０・・・
・・・副噴口、Ｃ・・・・・・２の中心、Ｌ・・・・・
・基準直線、Ｍ・・・・・・渦流、Ｐ・・・・・・噴口
（８，９，１０）。Fig. 1 is a longitudinal sectional front view of a piston head portion of a direct injection engine according to the present invention, Fig. 2 is a sectional view taken along the line ■-■ of Fig. 1, and Fig. 3 is a view equivalent to Fig. 2 showing a conventional example. It is. 2... Cavity, 2b... Inner peripheral wall of 2, 3... Piston head, 5... Cylinder head, 7... Fuel injection Nozzle, 8...
...Main nozzle, 9...Auxiliary nozzle, 10...
... Sub-nozzle, C ... Center of 2, L ...
・Reference straight line, M... Vortex, P... Nozzle (8, 9, 10).
Claims (1)
ダヘッド５に燃料噴射ノズル７を固定し、このノズル７
の噴口Ｐをキャビティ２の内周面２ｂに向けて開口した
直接噴射エンジンにおいて、一つのキャビティ２に複数
のノズル７を設ケ、複数の各ノズル７はキャビティ２の
中心Ｃから互いに略対称に位置させ、各ノズル７の各主
噴口８の方向をキャビティ中心Ｃとそのノズル７とを結
ぶ基準直線りに対して鋭角をなすとともに、キャビティ
２内に発生する吸気の渦流Ｍの風下−に向かう方向に方
向づけた事を特徴とする直接噴射エンジン。 ２ 実用新案登録請求の範囲第１項に記載した直接噴射
エンジンにおいて、各ノズル７に主噴口８に加えて補助
噴口９を設け、各補助噴口９の方向を前記基準直線りに
対して鈍角をなす方向づけたもの。 ３ 実用新案登録請求の範囲第１項または第２項に爬載
した直接噴射エンジンにおいて、各ノズルＰに主噴口８
に加えて副噴口１０を設け、各副噴口１０の方向を前記
基準直線りに対して鋭角をなすとともに、吸気渦流Ｍの
風上側に向かう方向に方向づけたもの。[Claims for Utility Model Registration] 1. A cavity 2 is formed in the piston head 3, a fuel injection nozzle 7 is fixed to the cylinder head 5, and the nozzle 7
In a direct injection engine in which a nozzle P is opened toward the inner circumferential surface 2b of the cavity 2, a plurality of nozzles 7 are provided in one cavity 2, and each of the plurality of nozzles 7 is approximately symmetrical to each other from the center C of the cavity 2. The direction of each main nozzle 8 of each nozzle 7 is at an acute angle with respect to the reference straight line connecting the cavity center C and the nozzle 7, and the main nozzle 8 of each nozzle 7 is directed toward the leeward side of the vortex flow M of intake air generated within the cavity 2. A direct injection engine characterized by direct injection. 2 Utility Model Registration In the direct injection engine described in Claim 1, each nozzle 7 is provided with an auxiliary nozzle 9 in addition to the main nozzle 8, and the direction of each auxiliary nozzle 9 is set at an obtuse angle with respect to the reference straight line. What is the direction of things? 3. In the direct injection engine mounted in claim 1 or 2 of the utility model registration claim, each nozzle P has a main injection port 8.
In addition, sub-nozzle holes 10 are provided, and the direction of each sub-nozzle hole 10 forms an acute angle with respect to the reference straight line, and is oriented toward the windward side of the intake vortex M.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6277283U JPS59165970U (en) | 1983-04-25 | 1983-04-25 | direct injection engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6277283U JPS59165970U (en) | 1983-04-25 | 1983-04-25 | direct injection engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59165970U true JPS59165970U (en) | 1984-11-07 |
| JPH0210290Y2 JPH0210290Y2 (en) | 1990-03-14 |
Family
ID=30192960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6277283U Granted JPS59165970U (en) | 1983-04-25 | 1983-04-25 | direct injection engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59165970U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5647255U (en) * | 1979-09-21 | 1981-04-27 | ||
| JPS5842363U (en) * | 1981-09-18 | 1983-03-22 | 三井造船株式会社 | Fuel injection valve in internal combustion engine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5647255B2 (en) * | 1974-10-08 | 1981-11-09 | ||
| JPS5842363B2 (en) * | 1975-06-26 | 1983-09-19 | 株式会社小松製作所 | Yuatsu Servo Cylinder Souch |
-
1983
- 1983-04-25 JP JP6277283U patent/JPS59165970U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5647255U (en) * | 1979-09-21 | 1981-04-27 | ||
| JPS5842363U (en) * | 1981-09-18 | 1983-03-22 | 三井造船株式会社 | Fuel injection valve in internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0210290Y2 (en) | 1990-03-14 |
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