JPS6039772U - 2 intake valve spark ignition fuel injection engine - Google Patents
2 intake valve spark ignition fuel injection engineInfo
- Publication number
- JPS6039772U JPS6039772U JP13111583U JP13111583U JPS6039772U JP S6039772 U JPS6039772 U JP S6039772U JP 13111583 U JP13111583 U JP 13111583U JP 13111583 U JP13111583 U JP 13111583U JP S6039772 U JPS6039772 U JP S6039772U
- Authority
- JP
- Japan
- Prior art keywords
- intake port
- fuel injection
- intake
- diameter
- valve
- 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
Landscapes
- 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
添附図面は本考案の実施例に係る２吸気弁式燃料噴射エ
ンジンの任意気筒模式的平面図である。
１０・・・・・・シリンダヘッド、１２・・・・・・燃
焼室、１４・・・・・・排気弁、１８・・・・・・シリ
ンダボア、２６・・・・・・吸気管、２８・・・・・・
吸気ポート、３０・・・・・・上流側吸気ポート部分、
３２・・・・・・小径吸気ポート分枝、３４・・・・・
・大径吸気ポート分枝、３６・・・・・・中間仕切り壁
、３７・・・・・・小径吸気弁、３８・・・・・・大径
吸気弁、４０・・・・・・アクチュエータ、４２・・・
・・・偏流弁、４８・・・・・・燃料噴射弁。The accompanying drawing is a schematic plan view of an arbitrary cylinder of a two-intake valve fuel injection engine according to an embodiment of the present invention. 10... Cylinder head, 12... Combustion chamber, 14... Exhaust valve, 18... Cylinder bore, 26... Intake pipe, 28・・・・・・
Intake port, 30... Upstream intake port part,
32... Small diameter intake port branch, 34...
・Large diameter intake port branch, 36... Intermediate partition wall, 37... Small diameter intake valve, 38... Large diameter intake valve, 40... Actuator ,42...
...Diversion valve, 48...Fuel injection valve.
Claims (1)
小径の主吸気ポートを開閉する小径の主吸気弁と、シリ
ンダボア軸心寄りに指向して燃焼室に開口する大径の副
吸気ポートを開閉す名犬径の副吸気弁、とを備えてなる
２吸気弁式火花点火燃料噴射エンジンにおいて、 吸気ポート２８は、吸気管２６に隣接する単一の上流側
吸気ポート部分３０と、該上流側吸気ポート一部分３０
の下流において中間仕切り壁３６によって互いに分離さ
れた小径吸気ポート分枝３２と大径吸気ポート分枝３４
とで構成し、 前記小径吸気ポート分枝３２はシリンダボア外周寄りに
指向させて前記主吸気ポートを構成し、前記大径吸気ポ
ート分枝３４はシリンダボア軸心寄りに指向させて前記
副吸気ポートを構成し、前記小径吸気ポート分枝３２は
大径吸気ポート分枝３４に対して所定の水平角度θを成
し、 前記吸気ポート２８にはエンジン負荷の減少に応じて大
径吸気ポート分枝３４を閉鎖する偏流弁４２を設け、 前記吸気管２６には中間仕切り壁３６の延長、上におい
て該中間仕切り壁先端から所定距離のところに燃料噴射
弁４８を設けたことを特徴する２吸気弁式火花点火燃料
噴射エンジン。 ２ 燃料噴射弁４８と中間仕切り壁先端との間の前記距
離は２０〜１００＃！である実用新案登録請求の範囲第
１項記載の２吸気弁式火花点火燃料噴射エンジン。 ３ 前記燃料噴射弁４８は補助空気噴流により燃料の微
粒化を促進する形式のエアアシステツド型燃料噴射弁で
ある実用新案登録請求の岐囲第１項記載の２吸気弁式火
花点火燃料噴射エンジン。[Scope of Claim for Utility Model Registration] 1. A small-diameter main intake valve that opens and closes a small-diameter main intake port that opens into the combustion chamber toward the outer circumference of the cylinder bore, and a large main intake valve that opens into the combustion chamber toward the cylinder bore axis. In a two-intake valve type spark ignition fuel injection engine, the intake port 28 is a single upstream intake port portion adjacent to the intake pipe 26. 30 and the upstream intake port portion 30
A small diameter intake port branch 32 and a large diameter intake port branch 34 separated from each other by an intermediate partition wall 36 downstream of the
The small-diameter intake port branch 32 is oriented toward the outer circumference of the cylinder bore to constitute the main intake port, and the large-diameter intake port branch 34 is oriented toward the cylinder bore axis to constitute the auxiliary intake port. The small-diameter intake port branch 32 forms a predetermined horizontal angle θ with respect to the large-diameter intake port branch 34, and the intake port 28 has a large-diameter intake port branch 34 in response to a decrease in engine load. A two-intake valve type characterized in that the intake pipe 26 is provided with an extension of the intermediate partition wall 36 and a fuel injection valve 48 is provided at a predetermined distance from the tip of the intermediate partition wall above the intake pipe 26. Spark ignition fuel injection engine. 2. The distance between the fuel injection valve 48 and the tip of the intermediate partition wall is 20 to 100#! A two-intake valve spark ignition fuel injection engine according to claim 1, which is a utility model. 3. The two-intake valve spark ignition fuel injection engine according to claim 1, wherein the fuel injection valve 48 is an air-assisted fuel injection valve that promotes atomization of fuel by an auxiliary air jet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13111583U JPS6039772U (en) | 1983-08-26 | 1983-08-26 | 2 intake valve spark ignition fuel injection engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13111583U JPS6039772U (en) | 1983-08-26 | 1983-08-26 | 2 intake valve spark ignition fuel injection engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6039772U true JPS6039772U (en) | 1985-03-19 |
Family
ID=30296529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13111583U Pending JPS6039772U (en) | 1983-08-26 | 1983-08-26 | 2 intake valve spark ignition fuel injection engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6039772U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62250387A (en) * | 1986-04-24 | 1987-10-31 | Oki Electric Ind Co Ltd | Underwater acoustic transponder |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS572215B1 (en) * | 1969-02-07 | 1982-01-14 | ||
| JPS5770914A (en) * | 1980-10-20 | 1982-05-01 | Yamaha Motor Co Ltd | Air intake controller for multi-valvetype internal combustionn engine |
-
1983
- 1983-08-26 JP JP13111583U patent/JPS6039772U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS572215B1 (en) * | 1969-02-07 | 1982-01-14 | ||
| JPS5770914A (en) * | 1980-10-20 | 1982-05-01 | Yamaha Motor Co Ltd | Air intake controller for multi-valvetype internal combustionn engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62250387A (en) * | 1986-04-24 | 1987-10-31 | Oki Electric Ind Co Ltd | Underwater acoustic transponder |
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