JPH0434433U - - Google Patents
Info
- Publication number
- JPH0434433U JPH0434433U JP7721390U JP7721390U JPH0434433U JP H0434433 U JPH0434433 U JP H0434433U JP 7721390 U JP7721390 U JP 7721390U JP 7721390 U JP7721390 U JP 7721390U JP H0434433 U JPH0434433 U JP H0434433U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- air injection
- air
- port
- injection port
- 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 4
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
図面はこの考案の一実施例を示すもので、第１
図はエンジンの吸気スワール調整装置全体の概略
構成図、第２図は吸気ポートの配設状態を示す概
略構成図、第３図はスワール制御用空気の噴射タ
イミングを示す特性図、第４図は高スワール制御
領域と低スワール制御領域とを示すエンジンの回
転数とトルクとの関係図である。
１……シリンダヘツド、２……吸気ポート、３
……燃焼室、２ａ……吸気口（開口部）、６……
第１の空気噴射口、７……第２の空気噴射口、８
……第１の空気供給路、９……第２の空気供給路
、１１……第１の開閉弁、１２……第２の開閉弁
、１３……コントローラ。
The drawing shows one embodiment of this invention.
The figure is a schematic configuration diagram of the entire engine intake swirl adjustment device, Figure 2 is a schematic configuration diagram showing the arrangement of intake ports, Figure 3 is a characteristic diagram showing the injection timing of air for swirl control, and Figure 4 is a schematic diagram showing the arrangement of intake ports. FIG. 3 is a relationship diagram between engine rotation speed and torque showing a high swirl control region and a low swirl control region. 1...Cylinder head, 2...Intake port, 3
...Combustion chamber, 2a...Intake port (opening), 6...
First air injection port, 7...Second air injection port, 8
...First air supply path, 9...Second air supply path, 11...First on-off valve, 12...Second on-off valve, 13...Controller.
Claims (1)
ートの燃焼室側開口部の近傍部位に前記吸気ポー
トから燃焼室内に導入される吸気流に形成される
スワールの強さを調整する制御用空気を噴射する
スワール制御用の空気噴射口を配設し、かつこの
空気噴射口に連通された空気供給路に介設され、
前記空気噴射口からの空気噴射を制御する開閉弁
を設けるとともに、前記吸気ポートの燃焼室側開
口部を開閉する吸気バルブの閉塞動作時における
前記開口部の閉塞前に前記空気噴射口の開閉弁を
開閉操作するコントローラを設けたことを特徴と
するエンジンの吸気スワール調整装置。 Swirl that injects control air that adjusts the strength of the swirl formed in the intake air flow introduced into the combustion chamber from the intake port into the vicinity of the combustion chamber side opening of the intake port formed in the cylinder head of the engine. An air injection port for control is provided, and the air supply path is interposed in communication with the air injection port,
An on-off valve for controlling air injection from the air injection port is provided, and an on-off valve for the air injection port is provided before the opening is closed during a closing operation of the intake valve that opens and closes the combustion chamber side opening of the intake port. An engine intake swirl adjustment device characterized by having a controller for opening and closing the engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7721390U JPH0434433U (en) | 1990-07-20 | 1990-07-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7721390U JPH0434433U (en) | 1990-07-20 | 1990-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0434433U true JPH0434433U (en) | 1992-03-23 |
Family
ID=31619390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7721390U Pending JPH0434433U (en) | 1990-07-20 | 1990-07-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0434433U (en) |
-
1990
- 1990-07-20 JP JP7721390U patent/JPH0434433U/ja active Pending