JPS63128265U - - Google Patents
Info
- Publication number
- JPS63128265U JPS63128265U JP1997987U JP1997987U JPS63128265U JP S63128265 U JPS63128265 U JP S63128265U JP 1997987 U JP1997987 U JP 1997987U JP 1997987 U JP1997987 U JP 1997987U JP S63128265 U JPS63128265 U JP S63128265U
- Authority
- JP
- Japan
- Prior art keywords
- intake port
- sub
- intake
- control valve
- opening
- 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.)
- Granted
Links
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図ないし第３図は本考案による吸気装置の
実施例を示す断面図であり、第１図は制御弁の全
閉時を、第２図は制御弁の半開時を、第３図は制
御弁の全開時を示す断面図、第４図は本考案の副
吸気ポート入口部の断面図、第５図は本考案の吸
気装置によるスワール強さと副吸気ポート入口面
積との関係を示す特性図、第６図は従来の吸気装
置を備えたエンジンの要部概略断面図、第７図は
従来の吸気装置の一部断面斜視図、第８図は従来
の吸気装置の入口部の断面図である。
１……吸気マニホルド、２……主吸気ポート、
３……副吸気ポート、４……開口、５……制御弁
、１５……切欠き開口。
1 to 3 are cross-sectional views showing an embodiment of the intake system according to the present invention. FIG. 1 shows the control valve when it is fully closed, FIG. 2 shows it when the control valve is half open, and FIG. 4 is a cross-sectional view of the inlet of the sub-intake port of the present invention, and Fig. 5 is a characteristic showing the relationship between the swirl strength and the inlet area of the sub-intake port due to the intake device of the present invention. 6 is a schematic cross-sectional view of the main parts of an engine equipped with a conventional intake device, FIG. 7 is a partially sectional perspective view of the conventional intake device, and FIG. 8 is a sectional view of the inlet of the conventional intake device. It is. 1...Intake manifold, 2...Main intake port,
3... Sub-intake port, 4... Opening, 5... Control valve, 15... Notch opening.
Claims (1)
ワールを制御する吸気を行う副吸気ポートとを備
え、該副吸気ポートにその入口面積を制御する制
御弁を設けたエンジンの吸気装置において、エン
ジンの運転状態に応じて前記制御弁により開閉制
御される開口と該開口の幅より狭い切欠き開口と
を前記吸気ポート内に設けたことを特徴とするエ
ンジンの吸気装置。 In an engine intake system comprising a main intake port that generates a swirl, a sub-intake port that performs intake to control the swirl, and a control valve that controls the inlet area of the sub-intake port, the sub-intake port is provided with a control valve that controls the inlet area of the sub-intake port. An intake device for an engine, characterized in that an opening whose opening and closing are controlled by the control valve in accordance with the above and a notch opening narrower than the width of the opening are provided in the intake port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1997987U JPH0515538Y2 (en) | 1987-02-16 | 1987-02-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1997987U JPH0515538Y2 (en) | 1987-02-16 | 1987-02-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63128265U true JPS63128265U (en) | 1988-08-22 |
| JPH0515538Y2 JPH0515538Y2 (en) | 1993-04-23 |
Family
ID=30815067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1997987U Expired - Lifetime JPH0515538Y2 (en) | 1987-02-16 | 1987-02-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0515538Y2 (en) |
-
1987
- 1987-02-16 JP JP1997987U patent/JPH0515538Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0515538Y2 (en) | 1993-04-23 |