JPS62767U - - Google Patents
Info
- Publication number
- JPS62767U JPS62767U JP9346085U JP9346085U JPS62767U JP S62767 U JPS62767 U JP S62767U JP 9346085 U JP9346085 U JP 9346085U JP 9346085 U JP9346085 U JP 9346085U JP S62767 U JPS62767 U JP S62767U
- Authority
- JP
- Japan
- Prior art keywords
- canister
- passage
- engine
- fuel
- communicates
- 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
- 239000000446 fuel Substances 0.000 claims description 4
- 239000002828 fuel tank Substances 0.000 claims description 3
- 238000010926 purge Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 2
- 239000002737 fuel gas Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
Description
図は本考案に係るエンジンの燃料蒸発ガス制御
装置の一例をそれが適用されたエンジンの吸気通
路部とともに示す概略構成図である。
図中、４は吸気通路、１０は燃料タンク、１２
はエバポレーシヨン通路、１４は第１のキヤニス
タ、１５はバイパス通路、１７は正圧応動弁、１
８及び２６は負圧応動弁、２０は第２のキヤニス
タ、２２は連通路、２８は第１のパージ通路、３
６は負圧供給管である。
The figure is a schematic configuration diagram showing an example of an engine fuel evaporative emission control device according to the present invention together with an intake passage section of an engine to which the device is applied. In the figure, 4 is an intake passage, 10 is a fuel tank, 12
1 is an evaporation passage, 14 is a first canister, 15 is a bypass passage, 17 is a positive pressure response valve, 1
8 and 26 are negative pressure responsive valves, 20 is a second canister, 22 is a communication passage, 28 is a first purge passage, 3
6 is a negative pressure supply pipe.
Claims (1)
蒸発ガスを滞留させる第１のキヤニスタと、該第
１のキヤニスタに連通して上記第１のキヤニスタ
から燃料蒸発ガスが供給される第２のキヤニスタ
と、該第２のキヤニスタとエンジンの吸気通路と
を連通させて上記第２のキヤニスタからの燃料蒸
発ガスを上記エンジンの吸気通路に導くパージ通
路と、上記第１のキヤニスタと上記第２のキヤニ
スタとの間の連通路を上記エンジンの所定の運転
状態において開通させる第１の制御弁と、該第１
の制御弁を側路して上記第１のキヤニスタと上記
第２のキヤニスタとを連通させるバイパス通路と
、該バイパス通路を上記第１のキヤニスタ内の圧
力が所定値以上であるとき開通させる第２の制御
弁とを備えて構成されたエンジンの燃料蒸発ガス
制御装置。 a first canister that communicates with the fuel tank and retains fuel evaporative gas from the fuel tank; a second canister that communicates with the first canister and receives fuel evaporative gas from the first canister; , a purge passage that communicates the second canister with an intake passage of the engine and guides evaporative fuel gas from the second canister to the intake passage of the engine; and the first canister and the second canister. a first control valve that opens a communication passage between the first and second control valves in a predetermined operating state of the engine;
a bypass passage that connects the first canister and the second canister by bypassing the control valve; a second passage that opens the bypass passage when the pressure in the first canister is equal to or higher than a predetermined value; A fuel evaporative emission control device for an engine, comprising: a control valve;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9346085U JPS62767U (en) | 1985-06-19 | 1985-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9346085U JPS62767U (en) | 1985-06-19 | 1985-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62767U true JPS62767U (en) | 1987-01-06 |
Family
ID=30651162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9346085U Pending JPS62767U (en) | 1985-06-19 | 1985-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62767U (en) |
-
1985
- 1985-06-19 JP JP9346085U patent/JPS62767U/ja active Pending
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