JPS63136251U - - Google Patents
Info
- Publication number
- JPS63136251U JPS63136251U JP2850087U JP2850087U JPS63136251U JP S63136251 U JPS63136251 U JP S63136251U JP 2850087 U JP2850087 U JP 2850087U JP 2850087 U JP2850087 U JP 2850087U JP S63136251 U JPS63136251 U JP S63136251U
- Authority
- JP
- Japan
- Prior art keywords
- fuel vapor
- purge passage
- fuel
- canister
- prevention device
- 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 5
- 239000002828 fuel tank Substances 0.000 claims description 5
- 238000010926 purge Methods 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Description
第１図はこの考案の一実施例を示す構成説明図
、第２図は燃料タンク内圧力と蒸気発生量との関
係を示す特性図、第３図はこの考案の異なる実施
例を示す構成説明図、第４図はこの実施例におけ
る制御の概略を示すフローチヤート、第５図はこ
の考案の更に異なる実施例を示す構成説明図、第
６図は燃料タンク温度と蒸気発生量との関係を示
す特性図、第７図は従来の燃料蒸気排出防止装置
の一例を示す構成説明図である。
１……燃料タンク、２……圧力スイツチ、３…
…キヤニスタ、５……パージ通路、６……吸気通
路、８……パージ制御弁、１１……電磁弁。
Fig. 1 is a structural diagram showing one embodiment of this invention, Fig. 2 is a characteristic diagram showing the relationship between fuel tank internal pressure and steam generation amount, and Fig. 3 is a structural diagram showing a different embodiment of this invention. Figure 4 is a flowchart showing the outline of the control in this embodiment, Figure 5 is a configuration explanatory diagram showing a further different embodiment of this invention, and Figure 6 shows the relationship between the fuel tank temperature and the amount of steam generated. The characteristic diagram shown in FIG. 7 is a configuration explanatory diagram showing an example of a conventional fuel vapor emission prevention device. 1...Fuel tank, 2...Pressure switch, 3...
...Canister, 5...Purge passage, 6...Intake passage, 8...Purge control valve, 11...Solenoid valve.
Claims (1)
もに、このキヤニスタと機関吸気系とをパージ通
路を介して連通してなる燃料蒸気排出防止装置に
おいて、上記パージ通路を直接もしくは間接に開
閉する電磁弁を設けるとともに、上記燃料タンク
における燃料蒸気の発生量を検出する蒸気発生量
検出手段を設け、この燃料蒸気の発生量と機関運
転条件に基づいて上記パージ通路を開閉制御する
ことを特徴とする燃料蒸気排出防止装置。 A fuel vapor discharge prevention device including a canister communicating with a fuel tank and communicating the canister and an engine intake system via a purge passage, with a solenoid valve for directly or indirectly opening and closing the purge passage; A fuel vapor discharge prevention device characterized in that a vapor generation amount detection means for detecting the amount of fuel vapor generated in the fuel tank is provided, and the opening/closing of the purge passage is controlled based on the amount of fuel vapor generated and engine operating conditions. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2850087U JPS63136251U (en) | 1987-02-27 | 1987-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2850087U JPS63136251U (en) | 1987-02-27 | 1987-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63136251U true JPS63136251U (en) | 1988-09-07 |
Family
ID=30831523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2850087U Pending JPS63136251U (en) | 1987-02-27 | 1987-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63136251U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03249367A (en) * | 1990-02-28 | 1991-11-07 | Suzuki Motor Corp | Evaporative fuel controller for vehicle |
-
1987
- 1987-02-27 JP JP2850087U patent/JPS63136251U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03249367A (en) * | 1990-02-28 | 1991-11-07 | Suzuki Motor Corp | Evaporative fuel controller for vehicle |
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