JPS63138236U - - Google Patents
Info
- Publication number
- JPS63138236U JPS63138236U JP3110187U JP3110187U JPS63138236U JP S63138236 U JPS63138236 U JP S63138236U JP 3110187 U JP3110187 U JP 3110187U JP 3110187 U JP3110187 U JP 3110187U JP S63138236 U JPS63138236 U JP S63138236U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- fuel cut
- flow path
- float
- emergency
- 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 10
- 239000002828 fuel tank Substances 0.000 claims description 4
- 210000002445 nipple Anatomy 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 2
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Description
第１図は、本考案のフロート式ヒユーエルカツ
トオフバルブ断面図である。第２図は、従来のヒ
ユーエルカツトオフバルブの断面図であつて、Ａ
はボール式の断面図、Ｂはフロート式のエマージ
エンシーバルブ無しの断面図、Ｃはフロート式の
エマージエンシーバルブ有りの断面図である。第
３図は、ヒユーエルタンク構造説明図であつて、
Ａは、全体構造説明図、Ｂは１ベント方式構造説
明図、Ｃは複数ベント方式構造説明図である。
１……ヒユーエルタンク、２……キヤニスタ、
３……ベントホール、４……ベーパー通路、５，
５′……液面、６……凸部、７……ベーパーリキ
ツドセパレータ、８……複数ベーパー通路、９…
…ボール式ヒユーエルカツトオフバルブ、９ａ…
…ボール、９ｂ……バルブ穴、９ｃ……斜面、１
０……フロート式ヒユーエルカツトオフバルブ、
１０ａ……フロート、１０ｂ……バルブ穴、１０
ｃ……シール突起、１０ｄ……バルブケース、１
１……フロート式ヒユーエルカツトオフバルブ、
１２……フロート、１３……バルブ穴、１４……
シール突起、１５……浮力補助バネ、１６……エ
マージエンシーバルブ、１６ａ……正圧バルブボ
ール、１６ｂ……正圧バルブスプリング、１７…
…ホース取付用ニツプル、１８……バルブルーム
、１９……エマージエンシーバルブ流路、２０…
…バルブケース、２０ａ……トツプレート、２０
ｂ……ボトムプレート。
FIG. 1 is a sectional view of the float type fuel cut-off valve of the present invention. FIG. 2 is a cross-sectional view of a conventional fuel cut-off valve.
is a sectional view of the ball type, B is a sectional view of the float type without an emergency valve, and C is a sectional view of the float type with an emergency valve. FIG. 3 is an explanatory diagram of the fuel tank structure,
A is an explanatory diagram of the overall structure, B is an explanatory diagram of a single vent system structure, and C is an explanatory diagram of a multiple vent system structure. 1... Fuel tank, 2... Canister,
3...Vent hole, 4...Vapor passage, 5,
5'...Liquid level, 6...Protrusion, 7...Vapor liquid separator, 8...Multiple vapor passages, 9...
...Ball type fuel cut-off valve, 9a...
...Ball, 9b...Valve hole, 9c...Slope, 1
0...Float type fuel cut-off valve,
10a...Float, 10b...Valve hole, 10
c...Seal protrusion, 10d...Valve case, 1
1...Float type fuel cut-off valve,
12...Float, 13...Valve hole, 14...
Seal protrusion, 15...buoyancy auxiliary spring, 16...emergency valve, 16a...positive pressure valve ball, 16b...positive pressure valve spring, 17...
...Hose mounting nipple, 18...Valve room, 19...Emergency valve channel, 20...
...Valve case, 20a...Totsu plate, 20
b...Bottom plate.
Claims (1)
ー流路のヒユーエルタンク側出口のベントホール
に設置されたフロートの浮力で閉栓するニードル
バルブよりなるヒユーエルカツトオフバルブにお
いて、該ヒユーエルカツトオフバルブのバルブケ
ースの外側面にエマージエンシーバルブがヒユー
エルカツトオフバルブのシール部と並列に備えら
れ、このエマージエンシーバルブの流路を上記ベ
ーパー流路のホース取付用ニツプルの座に構成さ
れたバルブルームに形成したことを特徴とするフ
ロート式ヒユーエルカツトオフバルブ。 In a fuel cut-off valve consisting of a needle valve that is closed by the buoyancy of a float installed in a vent hole on the fuel tank side outlet of a vapor flow path connecting a fuel tank and a canister, a valve case of the fuel cut-off valve is provided. An emergency valve is provided on the outer surface of the fuel cut-off valve in parallel with the sealing part of the fuel cut-off valve, and the flow path of this emergency valve is connected to the valve room configured at the seat of the hose attachment nipple of the vapor flow path. A float-type fuel cut-off valve characterized by the following:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3110187U JPS63138236U (en) | 1987-03-05 | 1987-03-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3110187U JPS63138236U (en) | 1987-03-05 | 1987-03-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63138236U true JPS63138236U (en) | 1988-09-12 |
Family
ID=30836529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3110187U Pending JPS63138236U (en) | 1987-03-05 | 1987-03-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63138236U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02176155A (en) * | 1988-09-21 | 1990-07-09 | Nissan Motor Co Ltd | Fuel spill preventing device for automotive fuel tank |
-
1987
- 1987-03-05 JP JP3110187U patent/JPS63138236U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02176155A (en) * | 1988-09-21 | 1990-07-09 | Nissan Motor Co Ltd | Fuel spill preventing device for automotive fuel tank |
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