JPS6224023U - - Google Patents
Info
- Publication number
- JPS6224023U JPS6224023U JP11504185U JP11504185U JPS6224023U JP S6224023 U JPS6224023 U JP S6224023U JP 11504185 U JP11504185 U JP 11504185U JP 11504185 U JP11504185 U JP 11504185U JP S6224023 U JPS6224023 U JP S6224023U
- Authority
- JP
- Japan
- Prior art keywords
- combustion engine
- internal combustion
- intake passage
- switching control
- valve
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 235000014676 Phragmites communis Nutrition 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の実施例の概略図、第２図は逆
止弁の詳細断面図である。
１…内燃機関本体、１０…吸気通路、１０ａ…
吸気通路主流、１０ｂ…バイパス吸気通路、１１
…スロツトルバルブ、１２…切換制御弁、１３…
逆止弁。
FIG. 1 is a schematic diagram of an embodiment of the present invention, and FIG. 2 is a detailed sectional view of a check valve. 1... Internal combustion engine main body, 10... Intake passage, 10a...
Mainstream intake passage, 10b...Bypass intake passage, 11
...Throttle valve, 12...Switching control valve, 13...
non-return valve.
Claims (1)
該切換制御弁を設けた吸気通路主流を迂回するバ
イパス吸気通路に上流から下流へのみ吸気流を流
す逆止弁を設け、更に内燃機関の高流量域でのみ
前記切換制御弁を開くように制御する制御手段を
設けたことを特徴とする内燃機関の吸気逆流防止
装置。 ２ 前記逆止弁はリード弁である実用新案登録請
求の範囲第１項記載の装置。[Scope of claim for utility model registration] 1. A switching control valve is provided in the intake passage of an internal combustion engine,
A check valve that allows the intake air to flow only from upstream to downstream is provided in a bypass intake passage that bypasses the main flow of the intake passage provided with the switching control valve, and the switching control valve is controlled to open only in a high flow region of the internal combustion engine. An intake air backflow prevention device for an internal combustion engine, characterized in that it is provided with a control means for controlling. 2. The device according to claim 1, wherein the check valve is a reed valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11504185U JPS6224023U (en) | 1985-07-29 | 1985-07-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11504185U JPS6224023U (en) | 1985-07-29 | 1985-07-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6224023U true JPS6224023U (en) | 1987-02-13 |
Family
ID=30998328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11504185U Pending JPS6224023U (en) | 1985-07-29 | 1985-07-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6224023U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02131051U (en) * | 1989-03-31 | 1990-10-30 |
-
1985
- 1985-07-29 JP JP11504185U patent/JPS6224023U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02131051U (en) * | 1989-03-31 | 1990-10-30 |