JPS63147527U - - Google Patents
Info
- Publication number
- JPS63147527U JPS63147527U JP3920687U JP3920687U JPS63147527U JP S63147527 U JPS63147527 U JP S63147527U JP 3920687 U JP3920687 U JP 3920687U JP 3920687 U JP3920687 U JP 3920687U JP S63147527 U JPS63147527 U JP S63147527U
- Authority
- JP
- Japan
- Prior art keywords
- intake port
- throttle valve
- engine
- cylinder
- opens
- 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
- 239000000446 fuel Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
第１図は本考案に係るスロツトルバルブを適用
したエンジンの吸気ポートの一実施例を示す要部
断面図、第２図は第１図の吸気ポートの矢線―
断面図、第３図は本考案の第２実施例を示す断
面図、第４図は本考案の第３実施例を示す断面図
、第５図は第４図の矢線―断面図、第６図は
本考案の第４実施例を示す概略構成図である。
１，１１，１２……吸気ポート、２……インレ
ツトバルブ、３，１３，１４……スロツトルバル
ブ、５，５′……マスキング部、６……燃料噴射
弁、１０……シリンダ。
Fig. 1 is a sectional view of a main part showing an example of an intake port of an engine to which a throttle valve according to the present invention is applied, and Fig. 2 shows an arrow line of the intake port in Fig. 1.
3 is a sectional view showing a second embodiment of the present invention, FIG. 4 is a sectional view showing a third embodiment of the present invention, and FIG. 5 is a sectional view taken along the arrow line in FIG. FIG. 6 is a schematic configuration diagram showing a fourth embodiment of the present invention. 1, 11, 12... Intake port, 2... Inlet valve, 3, 13, 14... Throttle valve, 5, 5'... Masking part, 6... Fuel injection valve, 10... Cylinder.
Claims (1)
を与える第１の吸気ポートと、前記混合気をその
まま前記シリンダに流入させる第２の吸気ポート
とを備える吸気ポートの、インレツトバルブの直
ぐ上流位置に、且つ前記エンジンの低速度域にお
いて前記第１の吸気ポートを開口し前記第２の吸
気ポートを閉塞し、中高速度域において両方の吸
気ポートを開口するスロツトルバルブを配置し、
当該スロツトルバルブをスワールコントロールバ
ルブと兼用させることを特徴とするスロツトルバ
ルブ。 The intake port is located immediately upstream of the inlet valve, and includes a first intake port that provides a swirling flow to the air-fuel mixture flowing into the cylinder of the engine, and a second intake port that allows the air-fuel mixture to flow directly into the cylinder. , and a throttle valve that opens the first intake port and closes the second intake port in a low speed range of the engine, and opens both intake ports in a medium and high speed range,
A throttle valve characterized in that the throttle valve is also used as a swirl control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3920687U JPS63147527U (en) | 1987-03-19 | 1987-03-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3920687U JPS63147527U (en) | 1987-03-19 | 1987-03-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63147527U true JPS63147527U (en) | 1988-09-28 |
Family
ID=30852165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3920687U Pending JPS63147527U (en) | 1987-03-19 | 1987-03-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63147527U (en) |
-
1987
- 1987-03-19 JP JP3920687U patent/JPS63147527U/ja active Pending
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