JPS6221435U - - Google Patents
Info
- Publication number
- JPS6221435U JPS6221435U JP11296685U JP11296685U JPS6221435U JP S6221435 U JPS6221435 U JP S6221435U JP 11296685 U JP11296685 U JP 11296685U JP 11296685 U JP11296685 U JP 11296685U JP S6221435 U JPS6221435 U JP S6221435U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- control valve
- valve
- port
- 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.)
- Pending
Links
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 claims 1
- 230000009977 dual effect Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の一実施例の平面図、第２図は
同上実施例の各吸気弁の動作時期及びリフトと、
燃料噴射弁の噴射時期と、第１及び第３の吸気弁
における吸気の流速とを示すグラフ、第３図は従
来の複吸気弁エンジンの各吸気弁、燃料噴射弁の
作動等を示す第２図と同様のグラフ、第４図は同
上実施例における主吸気制御弁と第３の吸気制御
弁の開度を示すグラフである。
１…主吸気ポート、２…主吸気制御弁、３…第
１吸気ポート、４…第２吸気ポート、５…第３吸
気ポート、６…第１吸気弁、７…燃焼室、８…第
２吸気弁、９…第２吸気制御弁、１０…第３吸気
弁、１１…燃料噴射弁、１２…ＥＣＵ、１３…点
火栓、１６…第３吸気制御弁。
FIG. 1 is a plan view of an embodiment of the present invention, and FIG. 2 shows the operation timing and lift of each intake valve in the same embodiment.
FIG. 3 is a graph showing the injection timing of the fuel injection valve and the flow rate of intake air in the first and third intake valves. A graph similar to the one shown in the figure, FIG. 4 is a graph showing the opening degrees of the main intake control valve and the third intake control valve in the same embodiment. DESCRIPTION OF SYMBOLS 1... Main intake port, 2... Main intake control valve, 3... First intake port, 4... Second intake port, 5... Third intake port, 6... First intake valve, 7... Combustion chamber, 8... Second Intake valve, 9...Second intake control valve, 10...Third intake valve, 11...Fuel injection valve, 12...ECU, 13...Ignition plug, 16...Third intake control valve.
Claims (1)
室内へ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、エンジンの高負荷高
回転域においてのみ開放する第２の吸気制御弁を
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、燃料噴射弁を設けた第３の
吸気ポートとの各吸気ポートを分岐し、これら第
１、第２及び第３の各吸気ポートを、第１、第２
及び第３の吸気弁を介して燃焼室にそれぞれ接続
し、前記第３の吸気弁の開弁時期を前記第１の吸
気弁の開弁時期より遅らせた複吸気弁エンジンに
おいて、 前記第３の吸気ポートは、前記主吸気通路の前
記主吸気制御弁の上流側から分岐し、該第３の吸
気ポートには第３の吸気制御弁を設け、該第３の
吸気制御弁をその開度制御機構に連結し、エンジ
ンの部分負荷時に、前記第３の吸気制御弁の開度
を前記主吸気制御弁の開度より大きくして、前記
第３の吸気ポート内の絶対圧を高くするようにし
たことを特徴とする複吸気弁エンジン。[Claims for Utility Model Registration] A first intake port that is always open to generate a swirl of intake air supplied into the combustion chamber from a main intake port that has a main intake control valve, and a first intake port that is open only in the high load and high rotation range of the engine. A second intake port has a second intake control valve that supplies straight intake air into the combustion chamber, and a third intake port has a fuel injection valve. , the second and third intake ports, respectively, the first and second intake ports.
and a dual intake valve engine, each of which is connected to a combustion chamber via a third intake valve, and in which the opening timing of the third intake valve is delayed from the opening timing of the first intake valve. The intake port branches from the upstream side of the main intake control valve in the main intake passage, and the third intake port is provided with a third intake control valve, and the opening degree of the third intake control valve is controlled. the third intake control valve is connected to a mechanism, and when the engine is under partial load, the opening degree of the third intake control valve is made larger than the opening degree of the main intake control valve to increase the absolute pressure in the third intake port. A double intake valve engine with the following features:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11296685U JPS6221435U (en) | 1985-07-25 | 1985-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11296685U JPS6221435U (en) | 1985-07-25 | 1985-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6221435U true JPS6221435U (en) | 1987-02-09 |
Family
ID=30994319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11296685U Pending JPS6221435U (en) | 1985-07-25 | 1985-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6221435U (en) |
-
1985
- 1985-07-25 JP JP11296685U patent/JPS6221435U/ja active Pending