JPS62156137U - - Google Patents
Info
- Publication number
- JPS62156137U JPS62156137U JP4520486U JP4520486U JPS62156137U JP S62156137 U JPS62156137 U JP S62156137U JP 4520486 U JP4520486 U JP 4520486U JP 4520486 U JP4520486 U JP 4520486U JP S62156137 U JPS62156137 U JP S62156137U
- Authority
- JP
- Japan
- Prior art keywords
- passage
- intake
- switching valve
- branch passage
- branch
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Characterised By The Charging Evacuation (AREA)
Description
第１図及び第２図は本考案装置の第１実施例に
係り、第１図は切り換えバルブ部分を示す要部説
明図、第２図は吸気系の全体を示す概略断面図、
第３図は第２実施例の吸気系を示す概略説明図、
第４図は従来の吸気系を示す概略図である。
１１……エンジン本体、１２……吸気マニホル
ド、１３……吸気ダクト内蔵チヤンバ、１８……
吸気ダクト、２０，２１……第１及び第２分岐ダ
クト、２２，２３……第１及び第２切り換えバル
ブ、２５，３２……第１及び第２コイルばね、４
１……吸気ダクト、４２……分岐ダクト、４３…
…切り換えバルブ。
1 and 2 relate to the first embodiment of the device of the present invention, in which FIG. 1 is an explanatory diagram of the main part showing the switching valve part, FIG. 2 is a schematic sectional view showing the entire intake system,
FIG. 3 is a schematic explanatory diagram showing the intake system of the second embodiment;
FIG. 4 is a schematic diagram showing a conventional intake system. 11...Engine body, 12...Intake manifold, 13...Chamber with built-in intake duct, 18...
Intake duct, 20, 21... First and second branch duct, 22, 23... First and second switching valve, 25, 32... First and second coil spring, 4
1...Intake duct, 42...Branch duct, 43...
...Switching valve.
Claims (1)
岐通路とを切り換える切り換えバルブを配設し、
前記本通路と分岐通路との切り換えによつて吸気
管長を可変としたものにおいて、前記切り換えバ
ルブを付勢部材と吸気動圧とにて開閉動するよう
構成したことを特徴とするエンジンの吸気管長制
御装置。 A branch passage is provided in the intake passage, and a switching valve is installed to switch between the main passage and the branch passage.
The intake pipe length of the engine is variable by switching between the main passage and the branch passage, wherein the switching valve is configured to open and close using a biasing member and intake dynamic pressure. Control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4520486U JPS62156137U (en) | 1986-03-26 | 1986-03-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4520486U JPS62156137U (en) | 1986-03-26 | 1986-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62156137U true JPS62156137U (en) | 1987-10-03 |
Family
ID=30863730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4520486U Pending JPS62156137U (en) | 1986-03-26 | 1986-03-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62156137U (en) |
-
1986
- 1986-03-26 JP JP4520486U patent/JPS62156137U/ja active Pending