JPS643067U - - Google Patents
Info
- Publication number
- JPS643067U JPS643067U JP9562587U JP9562587U JPS643067U JP S643067 U JPS643067 U JP S643067U JP 9562587 U JP9562587 U JP 9562587U JP 9562587 U JP9562587 U JP 9562587U JP S643067 U JPS643067 U JP S643067U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- fuel tank
- fuel vapor
- detecting
- cap
- 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 16
- 239000002828 fuel tank Substances 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims 3
- 239000000945 filler Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000010926 purge Methods 0.000 description 1
Description
第１図は本考案による燃料タンクの燃料蒸気処
理装置の一つの実施例を示す概略構成図、第２図
は第１図に示された本考案による燃料タンクの燃
料蒸気装置の電気回路図、第３図は本考案による
燃料タンクの燃料蒸気処理装置の他の一つの実施
例を示す概略構成図、第４図及び第５図は第３図
に示された本考案による燃料タンクの燃料蒸気処
理装置の作動を示すフローチヤート及びタイムチ
ヤートである。
１０…燃料タンク、１２…給油口、１４…キヤ
ツプ、１６…燃料蒸気通路、１８…制御弁、２０
…燃料蒸気通路、２２…燃料蒸気捕集装置、２４
…燃料蒸気取入れポート、２６…大気ポート、２
８…パージポート、３０…制御装置、３２…イグ
ニツシヨンスイツチ、３４，３６…リレースイツ
チ、３８…バツテリ電源、４０…リミツトスイツ
チ、４２…圧力スイツチ、４４…圧力センサ、４
６…リレースイツチ、５０…マイクロコンピユー
タ。
FIG. 1 is a schematic configuration diagram showing one embodiment of the fuel vapor processing device for a fuel tank according to the present invention, and FIG. 2 is an electric circuit diagram of the fuel vapor processing device for a fuel tank according to the present invention shown in FIG. FIG. 3 is a schematic configuration diagram showing another embodiment of the fuel vapor processing device for a fuel tank according to the present invention, and FIGS. 4 and 5 are fuel vapor treatment apparatuses for the fuel tank according to the present invention shown in FIG. These are a flow chart and a time chart showing the operation of the processing device. DESCRIPTION OF SYMBOLS 10...Fuel tank, 12...Refueling port, 14...Cap, 16...Fuel vapor passage, 18...Control valve, 20
...Fuel vapor passage, 22...Fuel vapor collection device, 24
...Fuel vapor intake port, 26...Atmospheric port, 2
8...Purge port, 30...Control device, 32...Ignition switch, 34, 36...Relay switch, 38...Battery power supply, 40...Limit switch, 42...Pressure switch, 44...Pressure sensor, 4
6...Relay switch, 50...Microcomputer.
Claims (1)
燃料蒸気捕集装置と、前記燃料タンクより前記燃
料蒸気捕集装置へ燃料蒸気を導く燃料蒸気通路の
途中に設けられ該燃料蒸気通路を選択的に連通遮
断する制御弁と、前記燃料タンクの給油口のキヤ
ツプが開かれたことを検出するキヤツプ開閉検出
手段と、前記燃料タンクの内圧を検出する圧力検
出手段と、前記キヤツプ開閉検出手段により前記
キヤツプが開かれたことが検出され且前記圧力検
出手段により前記燃料タンクの内圧が所定値以上
であることが検出された時に前記制御弁を開弁さ
せる制御手段とを有する燃料タンクの燃料蒸気処
理装置。 A fuel vapor collection device that collects fuel vapor generated in a fuel tank; and a fuel vapor passage that is provided in the middle of a fuel vapor passage that guides fuel vapor from the fuel tank to the fuel vapor collection device, and that selectively controls the fuel vapor passage. a control valve that communicates with and shuts off the fuel tank, a cap opening/closing detection means for detecting that the cap of the fuel filler port of the fuel tank is opened, a pressure detecting means for detecting the internal pressure of the fuel tank, and a cap opening/closing detection means for detecting the opening/closing of the fuel tank. and a control means for opening the control valve when it is detected that the cap is opened and the pressure detection means detects that the internal pressure of the fuel tank is equal to or higher than a predetermined value. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9562587U JPS643067U (en) | 1987-06-22 | 1987-06-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9562587U JPS643067U (en) | 1987-06-22 | 1987-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS643067U true JPS643067U (en) | 1989-01-10 |
Family
ID=31320312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9562587U Pending JPS643067U (en) | 1987-06-22 | 1987-06-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS643067U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100346465B1 (en) * | 1999-09-18 | 2002-07-27 | 현대자동차주식회사 | Evaporative emission control system for automobile |
| KR20120018420A (en) * | 2010-08-23 | 2012-03-05 | 현대자동차주식회사 | Sensing apparatus and method thereof of emission of evaporative gas in lng tank |
| KR101490902B1 (en) * | 2009-12-03 | 2015-02-09 | 현대자동차 주식회사 | Fuel emission measure device for lng fuel tank |
| KR101490903B1 (en) * | 2009-12-03 | 2015-02-09 | 현대자동차 주식회사 | Fuel emission measure device for lng fuel tank |
-
1987
- 1987-06-22 JP JP9562587U patent/JPS643067U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100346465B1 (en) * | 1999-09-18 | 2002-07-27 | 현대자동차주식회사 | Evaporative emission control system for automobile |
| KR101490902B1 (en) * | 2009-12-03 | 2015-02-09 | 현대자동차 주식회사 | Fuel emission measure device for lng fuel tank |
| KR101490903B1 (en) * | 2009-12-03 | 2015-02-09 | 현대자동차 주식회사 | Fuel emission measure device for lng fuel tank |
| KR20120018420A (en) * | 2010-08-23 | 2012-03-05 | 현대자동차주식회사 | Sensing apparatus and method thereof of emission of evaporative gas in lng tank |
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