JPS6176119U - - Google Patents
Info
- Publication number
- JPS6176119U JPS6176119U JP16143684U JP16143684U JPS6176119U JP S6176119 U JPS6176119 U JP S6176119U JP 16143684 U JP16143684 U JP 16143684U JP 16143684 U JP16143684 U JP 16143684U JP S6176119 U JPS6176119 U JP S6176119U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- engine
- surge tank
- independent
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Characterised By The Charging Evacuation (AREA)
Description
第1図は本考案の第1実施例に係る吸気装置を
備えたエンジンの吸気系の要部平面図、第2図は
第1図の−縦断面図、第3図は本考案の第2
実施例に係る吸気装置の要部縦断面図、第4図は
従来のエンジンの吸気装置の構造図である。
1…エンジン、2…シリンダブロツク、3…シ
リンダヘツド、4…ピストン、5…シリンダ、6
…吸気弁、7…吸気ポート、9…インジエクタ、
10…サージタンクユニツト、11…サージタン
ク、12…独立吸気通路、13…主吸気通路、1
7,18…連通口、19,24…開閉弁、20…
弁軸、23…アクチユエータ。
FIG. 1 is a plan view of a main part of an intake system of an engine equipped with an intake system according to a first embodiment of the present invention, FIG. 2 is a vertical cross-sectional view of FIG.
FIG. 4 is a vertical sectional view of a main part of an intake system according to an embodiment, and is a structural diagram of a conventional engine intake system. 1...Engine, 2...Cylinder block, 3...Cylinder head, 4...Piston, 5...Cylinder, 6
...Intake valve, 7...Intake port, 9...Injector,
10...Surge tank unit, 11...Surge tank, 12...Independent intake passage, 13...Main intake passage, 1
7, 18...Communication port, 19, 24...Opening/closing valve, 20...
Valve stem, 23... actuator.
Claims (1)
の各気筒の吸気ポートとをそれぞれ独立した独立
吸気通路で接続してなるエンジンの吸気装置であ
つて、前記各独立吸気通路の一部をそれぞれ前記
サージタンクの外周に沿つて巻き付け状態で形成
し、さらに該独立吸気通路と前記サージタンクの
内部空間とを、該サージタンクの外周壁のしかも
前記各独立吸気通路にそれぞれ臨む位置において
しかもその円周方向に相互に適宜離間して各独立
吸気通路ごとに複数個づつ形成した連通口を介し
てそれぞれ相互に連通可能ならしめるとともに、
前記各独立吸気通路にそれぞれ臨んで形成された
前記複数個の連通口のうち、前記吸気ポートに近
い側にある連通口に、エンジンの運転状態に応じ
て該連通口を開閉する開閉弁をそれぞれ設けたこ
とを特徴とするエンジンの吸気装置。 An engine intake system in which a surge tank provided in the middle of an intake system is connected to an intake port of each cylinder of the engine through separate independent intake passages, wherein a portion of each independent intake passage is connected to the surge tank provided in the middle of the intake system, and the intake port of each cylinder of the engine is The independent intake passage and the internal space of the surge tank are formed so as to be wrapped around the outer periphery of the tank, and the independent intake passage and the internal space of the surge tank are formed at positions facing each of the independent intake passages on the outer peripheral wall of the surge tank and in the circumferential direction thereof. They are made to be able to communicate with each other through a plurality of communication ports formed for each independent intake passage at appropriate distances from each other, and
Of the plurality of communication ports formed facing each of the independent intake passages, each communication port on a side closer to the intake port is provided with an on-off valve that opens and closes the communication port depending on the operating state of the engine. An engine intake device characterized by being provided with.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16143684U JPS6176119U (en) | 1984-10-24 | 1984-10-24 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16143684U JPS6176119U (en) | 1984-10-24 | 1984-10-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6176119U true JPS6176119U (en) | 1986-05-22 |
Family
ID=30719346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16143684U Pending JPS6176119U (en) | 1984-10-24 | 1984-10-24 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6176119U (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56115819A (en) * | 1980-02-19 | 1981-09-11 | Nissan Diesel Motor Co Ltd | Suction device for inertia supercharging type internal-combustion engine |
JPS59120717A (en) * | 1982-12-28 | 1984-07-12 | Nissan Motor Co Ltd | Suction path of internal-combustion engine |
-
1984
- 1984-10-24 JP JP16143684U patent/JPS6176119U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56115819A (en) * | 1980-02-19 | 1981-09-11 | Nissan Diesel Motor Co Ltd | Suction device for inertia supercharging type internal-combustion engine |
JPS59120717A (en) * | 1982-12-28 | 1984-07-12 | Nissan Motor Co Ltd | Suction path of internal-combustion engine |