JPH0294367U - - Google Patents
Info
- Publication number
- JPH0294367U JPH0294367U JP207289U JP207289U JPH0294367U JP H0294367 U JPH0294367 U JP H0294367U JP 207289 U JP207289 U JP 207289U JP 207289 U JP207289 U JP 207289U JP H0294367 U JPH0294367 U JP H0294367U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- branched
- ports
- combustion engine
- internal combustion
- 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
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 239000000446 fuel Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図ないし第４図は一実施例を示し、第１図
はこの発明を適用した１気筒３つの吸気弁をもつ
内燃エンジンの吸気系を示す平断面図、第２図は
その第１図中、―線に沿う断面図、第３図は
第２図中、―線に沿う断面図、第４図は噴射
弁の端面を示す図、第５図は従来の１噴霧流噴射
弁で３つの吸気ポートに燃料を噴射する内燃エン
ジンの吸気系を示す平断面図、第６図はその第５
図中、―線に沿う断面図、第７図は異なる従
来の２噴霧流噴射弁で３つの吸気ポートに燃料を
噴射する内燃エンジンの吸気系を示す平断面図、
第８図はその第７図中、―線に沿う断面図で
ある。
１……シリンダヘツド、２〜５……吸気ポート
、２ａ，２ｂ……隔壁、６……燃焼室、７，９…
…噴霧流、１０……噴射弁、１０ａ，１０ｂ……
噴口。
1 to 4 show one embodiment, FIG. 1 is a plan cross-sectional view showing an intake system of an internal combustion engine having three intake valves per cylinder to which the present invention is applied, and FIG. 2 is a first diagram thereof. Figure 3 is a cross-sectional view taken along the line - in Figure 2, Figure 4 is a view showing the end face of the injection valve, Figure 5 is a conventional 1-spray injection valve with 3 A plan sectional view showing the intake system of an internal combustion engine that injects fuel into two intake ports.
In the figure, a cross-sectional view taken along the line -, and FIG. 7 is a plan cross-sectional view showing the intake system of an internal combustion engine in which fuel is injected into three intake ports using a different conventional two-spray injection valve.
FIG. 8 is a sectional view taken along the line - in FIG. 7. 1... Cylinder head, 2-5... Intake port, 2a, 2b... Partition wall, 6... Combustion chamber, 7, 9...
...Spray flow, 10...Injection valve, 10a, 10b...
Spout.
Claims (1)
気ポートを設け、この分岐した吸気ポートにそれ
ぞれ吸気弁を設けて１気筒当り３つの吸気弁とし
、かつ前記吸気ポートの上流側に１つの噴射弁を
設けてなる内燃エンジンにおいて、前記噴射弁は
、前記３つに分岐した吸気ポートのうちの２つの
ポート位置と対応する２つの噴口を有し、かつ各
噴口の噴射方向軸を該噴口から噴射した噴霧流の
周部全体が前記対応する分岐した各吸気ポート内
に入るように定めてなることを特徴とする内燃エ
ンジン。 An intake port is provided that is branched into three independent ports on the downstream side, and each of the branched intake ports is provided with an intake valve to provide three intake valves per cylinder, and one injection valve is provided on the upstream side of the intake port. In the internal combustion engine provided, the injection valve has two nozzles corresponding to the port positions of two of the three branched intake ports, and the injection direction axis of each nozzle is such that the injection direction is set from the nozzle. An internal combustion engine characterized in that the entire periphery of the spray stream enters each of the corresponding branched intake ports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP207289U JPH0294367U (en) | 1989-01-13 | 1989-01-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP207289U JPH0294367U (en) | 1989-01-13 | 1989-01-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0294367U true JPH0294367U (en) | 1990-07-26 |
Family
ID=31202529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP207289U Pending JPH0294367U (en) | 1989-01-13 | 1989-01-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0294367U (en) |
-
1989
- 1989-01-13 JP JP207289U patent/JPH0294367U/ja active Pending
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