JPS5958763U - Engine evaporative fuel control device - Google Patents
Engine evaporative fuel control deviceInfo
- Publication number
- JPS5958763U JPS5958763U JP15430182U JP15430182U JPS5958763U JP S5958763 U JPS5958763 U JP S5958763U JP 15430182 U JP15430182 U JP 15430182U JP 15430182 U JP15430182 U JP 15430182U JP S5958763 U JPS5958763 U JP S5958763U
- Authority
- JP
- Japan
- Prior art keywords
- control device
- evaporative fuel
- fuel control
- negative pressure
- engine
- 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
Landscapes
- Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の蒸発燃料処理装置を示す概念断面図、第
２図は本考案の蒸発燃料制御装置の一実施例を示す概念
断面図、第３図は本考案の他の実施例を示す概念断面図
である。
１・・・・・・燃料タンク、３・・・・・・エアクリー
ナ、５・・・・・・吸気管、７・・・・・・絞り弁、８
・・・・・・気化器、９・・・・・・インナベンチュリ
、１０・・・・・・アウタベンチュリ、１１・・・・・
・導入通路、１２．２４・・・・・・分岐通路、１３．
２５・・・・・・エアーコントロールバルフ、１４・・
・・・・バキュームスイッチングバルフ、１６．２７・
・・・・・・負圧作用室、１８．３０・・・・・・弁体
、２０゜２１．２２・・・・・・通路、２３・・・・・
・側路。FIG. 1 is a conceptual sectional view showing a conventional evaporative fuel processing device, FIG. 2 is a conceptual sectional view showing an embodiment of the evaporative fuel control device of the present invention, and FIG. 3 is a conceptual sectional view showing another embodiment of the present invention. It is a conceptual sectional view. 1... Fuel tank, 3... Air cleaner, 5... Intake pipe, 7... Throttle valve, 8
... Carburizer, 9 ... Inner venturi, 10 ... Outer venturi, 11 ...
・Introduction passage, 12.24... Branch passage, 13.
25... Air control valve, 14...
...Vacuum switching valve, 16.27.
...Negative pressure action chamber, 18.30 ... Valve body, 20°21.22 ... Passage, 23 ...
・Side road.
Claims (1)
路を設け、この導入通路にベンチュリ下流側に連通ずる
分岐通路を設け、この分岐通路の途中に、一定圧の負圧
によって閉路する負圧制御弁を介装し、この負圧制御弁
の負正室を吸気系ま′ たは大気に連通ずる切換弁を設
けたことを特徴とするエンジンの蒸発燃料制御装置。。An introduction passage that communicates between the fuel tank and the upstream side of the venturi of the carburetor is provided, a branch passage that communicates with the downstream side of the venturi is provided in this introduction passage, and a negative pressure control valve that is closed by a constant negative pressure is provided in the middle of this branch passage. 1. An evaporative fuel control device for an engine, characterized in that a switching valve is provided to communicate a negative positive chamber of the negative pressure control valve with an intake system or the atmosphere. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15430182U JPS5958763U (en) | 1982-10-12 | 1982-10-12 | Engine evaporative fuel control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15430182U JPS5958763U (en) | 1982-10-12 | 1982-10-12 | Engine evaporative fuel control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5958763U true JPS5958763U (en) | 1984-04-17 |
Family
ID=30341122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15430182U Pending JPS5958763U (en) | 1982-10-12 | 1982-10-12 | Engine evaporative fuel control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5958763U (en) |
-
1982
- 1982-10-12 JP JP15430182U patent/JPS5958763U/en active Pending
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