JPS61190440U - - Google Patents
Info
- Publication number
- JPS61190440U JPS61190440U JP7542285U JP7542285U JPS61190440U JP S61190440 U JPS61190440 U JP S61190440U JP 7542285 U JP7542285 U JP 7542285U JP 7542285 U JP7542285 U JP 7542285U JP S61190440 U JPS61190440 U JP S61190440U
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- intake
- drive rod
- housing
- internal combustion
- 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
- 230000037431 insertion Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 2
Landscapes
- Fluid-Driven Valves (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
第１図は本考案の第１実施例の要部断面図、第
２図、第３図はそれぞれ第２、第３実施例を示す
同じく断面図である。第４図は従来例の断面図、
第５図は同じく吸気制御弁の正面図である。
１……吸気絞弁、２……吸気通路、４……吸気
ポート、５……吸気制御弁、６……弁軸、７……
レバー、８……ダイヤフラム装置、９……駆動ロ
ツド、１０……ダイヤフラム、１１……ダイヤフ
ラムハウジング、１２……負圧室、１３……大気
室、１４……負圧導入通路、１５……切欠、１６
……リターンスプリング、２０……取付ブラケツ
ト、２２……防水ブーツ、２４……挿入口、２５
……蛇腹ブーツ、２６……固定リング、２８，２
９……つば部、３０……円筒ガイド部。
FIG. 1 is a sectional view of a main part of a first embodiment of the present invention, and FIGS. 2 and 3 are sectional views showing second and third embodiments, respectively. Figure 4 is a sectional view of the conventional example.
FIG. 5 is also a front view of the intake control valve. 1... Intake throttle valve, 2... Intake passage, 4... Intake port, 5... Intake control valve, 6... Valve stem, 7...
Lever, 8...Diaphragm device, 9...Drive rod, 10...Diaphragm, 11...Diaphragm housing, 12...Negative pressure chamber, 13...Atmospheric chamber, 14...Negative pressure introduction passage, 15...Notch , 16
...Return spring, 20...Mounting bracket, 22...Waterproof boots, 24...Insertion port, 25
...Accordion boots, 26...Fixing ring, 28,2
9...Brim part, 30...Cylindrical guide part.
Claims (1)
負荷に応じてダイヤフラム装置を介して開閉する
ようにした内燃機関において、前記ダイヤフラム
装置のダイヤフラムハウジング内部を負圧室と大
気室にダイヤフラムで画成する一方、前記吸気制
御弁の弁軸を回転駆動する駆動ロツドをダイヤフ
ラムに連結し、この駆動ロツドがダイヤフラムハ
ウジングを挿通する間隙部分に防水用のシール部
材を介在させ、このシール部材の少なくともダイ
ヤフラム装置側を、前記ダイヤフラムハウジング
の挿入口近傍に固定したことを特徴とする内燃機
関の吸気制御装置。 In an internal combustion engine in which an intake control valve installed downstream of an intake throttle valve is opened and closed via a diaphragm device depending on the engine load, the inside of the diaphragm housing of the diaphragm device is divided into a negative pressure chamber and an atmospheric chamber by a diaphragm. On the other hand, a drive rod for rotationally driving the valve shaft of the intake control valve is connected to the diaphragm, and a waterproof seal member is interposed in the gap portion through which the drive rod passes through the diaphragm housing. An intake air control device for an internal combustion engine, characterized in that a diaphragm device side is fixed near an insertion port of the diaphragm housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7542285U JPS61190440U (en) | 1985-05-21 | 1985-05-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7542285U JPS61190440U (en) | 1985-05-21 | 1985-05-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61190440U true JPS61190440U (en) | 1986-11-27 |
Family
ID=30616628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7542285U Pending JPS61190440U (en) | 1985-05-21 | 1985-05-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61190440U (en) |
-
1985
- 1985-05-21 JP JP7542285U patent/JPS61190440U/ja active Pending