JPS63123766U - - Google Patents
Info
- Publication number
- JPS63123766U JPS63123766U JP1493687U JP1493687U JPS63123766U JP S63123766 U JPS63123766 U JP S63123766U JP 1493687 U JP1493687 U JP 1493687U JP 1493687 U JP1493687 U JP 1493687U JP S63123766 U JPS63123766 U JP S63123766U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- sub
- port
- fuel injection
- engine
- 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 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual 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図は本考案による複吸気弁エンジンの断面
構成図（第１実施例）、第２図は第１図に示す実
施例のサージタンク近傍の部分的斜視図、第３図
は第１図とは別の実施例を示す複吸気弁エンジン
の断面構成図（第２実施例）、第４図は第３図に
示す実施例のサージタンク近傍の部分的斜視図。
２……燃焼室、６……第１の吸気ポート、７…
…第２の吸気ポート、１５……主燃料噴射弁、１
６……吸気制御弁、２０……副吸気通路、２１，
２５……集合部、２２……副燃料噴射弁、２４…
…副吸気通路（第１）。
Fig. 1 is a cross-sectional configuration diagram (first embodiment) of a dual intake valve engine according to the present invention, Fig. 2 is a partial perspective view of the vicinity of the surge tank of the embodiment shown in Fig. 1, and Fig. 3 is the same as that shown in Fig. 1. FIG. 4 is a cross-sectional configuration diagram of a multiple intake valve engine showing another embodiment (second embodiment), and FIG. 4 is a partial perspective view of the vicinity of the surge tank of the embodiment shown in FIG. 3. 2... Combustion chamber, 6... First intake port, 7...
...Second intake port, 15...Main fuel injection valve, 1
6...Intake control valve, 20...Sub-intake passage, 21,
25... Collecting part, 22... Sub-fuel injection valve, 24...
...Sub-intake passage (first).
Claims (1)
供給する吸気にスワールを発生させる常時開放の
第１の吸気ポートと、エンジンの高負荷回転運転
域においてのみ開放する吸気制御弁を有しかつ燃
焼室内にストレートの吸気を供給する第２の吸気
ポートとを具備し、これら第１及び第２の各吸気
ポートを、第１及び第２吸気弁を介して燃焼室に
それぞれ接続した複吸気弁エンジンにおいて、上
記第１の吸気ポートに燃料を供給する主燃料噴射
弁を設けると共に、上記吸気制御弁より上流の第
２の吸気ポートに開口する副吸気通路を形成し、
各ポートより延びる副吸気通路を集合させその集
合部に副燃料噴射弁を設け上記吸気制御弁開弁時
のみ上記副燃料噴射弁を作動せしめることを特徴
とする複吸気弁エンジン。 It consists of multiple cylinders, and has a first intake port that is always open to generate a swirl in the intake air supplied into the combustion chamber of each cylinder, and an intake control valve that opens only in the high-load rotational operating range of the engine. and a second intake port for supplying straight intake air to the engine, and the first and second intake ports are respectively connected to the combustion chamber via the first and second intake valves. , providing a main fuel injection valve that supplies fuel to the first intake port, and forming a sub-intake passage that opens to a second intake port upstream of the intake control valve;
A multiple intake valve engine, characterized in that sub intake passages extending from each port are assembled, and a sub fuel injection valve is provided at the collective part, and the sub fuel injection valve is operated only when the intake control valve is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1493687U JPS63123766U (en) | 1987-02-05 | 1987-02-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1493687U JPS63123766U (en) | 1987-02-05 | 1987-02-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63123766U true JPS63123766U (en) | 1988-08-11 |
Family
ID=30805397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1493687U Pending JPS63123766U (en) | 1987-02-05 | 1987-02-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63123766U (en) |
-
1987
- 1987-02-05 JP JP1493687U patent/JPS63123766U/ja active Pending