JPH0448029U - - Google Patents
Info
- Publication number
- JPH0448029U JPH0448029U JP8946490U JP8946490U JPH0448029U JP H0448029 U JPH0448029 U JP H0448029U JP 8946490 U JP8946490 U JP 8946490U JP 8946490 U JP8946490 U JP 8946490U JP H0448029 U JPH0448029 U JP H0448029U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- fuel vapor
- diameter opening
- gas
- separation chamber
- 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 11
- 239000007788 liquid Substances 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 7
- 239000002828 fuel tank Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Description
第１図は、従来の気液分離室を備えた車両用燃
料タンクを模式的に示すもので、そのＡ，Ｂ，Ｃ
はそれぞれ異なる作動状態を示す説明図、第２図
は、本考案による車両用燃料タンクを概略的に示
す縦断側面図、第３図は、その燃料タンクに設け
られている気液分離室部分を示す拡大縦断面図、
第４図は、第３図の矢印方向から見た気液分離
室の底面図、第５図は、その気液分離室が燃料の
液面下に埋没したときの状態を示す説明図、第６
図は、第５図の状態から燃料液面が下がつたとき
の状態を示す説明図である。
１０……車両用燃料タンク、１１……タンク本
体、１２……燃料、１４……気液分離室、１４ａ
……上面、１４ｂ……下面、１５……燃料蒸気排
出口、１７……小径開口、１８……大径開口、２
０……フロートバルブ、２３……弁頭、２４……
弁軸。
Fig. 1 schematically shows a conventional vehicle fuel tank equipped with a gas-liquid separation chamber.
2 is an explanatory diagram showing different operating states, FIG. 2 is a longitudinal side view schematically showing a fuel tank for a vehicle according to the present invention, and FIG. 3 is a diagram showing a gas-liquid separation chamber provided in the fuel tank. An enlarged longitudinal cross-sectional view showing
FIG. 4 is a bottom view of the gas-liquid separation chamber viewed from the direction of the arrow in FIG. 6
The figure is an explanatory diagram showing a state when the fuel liquid level drops from the state shown in FIG. 5. 10... Vehicle fuel tank, 11... Tank body, 12... Fuel, 14... Gas-liquid separation chamber, 14a
...Top surface, 14b...Bottom surface, 15...Fuel vapor outlet, 17...Small diameter opening, 18...Large diameter opening, 2
0...Float valve, 23...Valve head, 24...
valve stem.
Claims (1)
料蒸気を流入させる燃料蒸気流入口とその燃料蒸
気をキヤニスタに導く燃料蒸気排出口とを有する
気液分離室を設け、前記燃料蒸気排出口からの液
体燃料の流出を防止するようにした車両用燃料タ
ンクにおいて； 前記燃料蒸気流入口が、前記気液分離室の上部
に設けられる小径開口と、前記気液分離室の下面
に設けられる前記小径開口より面積の大きい大径
開口とによつて構成され、 前記気液分離室の下方に、前記タンク本体内の
燃料液面の上昇に伴つて前記大径開口を閉じるフ
ロートバルブが設けられていることを特徴とする
、 車両用燃料タンク。[Scope of Claim for Utility Model Registration] A gas-liquid separation chamber is provided above the tank body, which has a fuel vapor inlet through which the fuel vapor in the tank body flows and a fuel vapor outlet which leads the fuel vapor to the canister. , in a vehicle fuel tank configured to prevent liquid fuel from flowing out from the fuel vapor outlet; the fuel vapor inlet includes a small-diameter opening provided in an upper part of the gas-liquid separation chamber; a large-diameter opening having a larger area than the small-diameter opening provided on the lower surface of the tank, and the large-diameter opening is closed below the gas-liquid separation chamber as the fuel liquid level within the tank body rises. A fuel tank for a vehicle, characterized by being provided with a float valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8946490U JPH0448029U (en) | 1990-08-29 | 1990-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8946490U JPH0448029U (en) | 1990-08-29 | 1990-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0448029U true JPH0448029U (en) | 1992-04-23 |
Family
ID=31823462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8946490U Pending JPH0448029U (en) | 1990-08-29 | 1990-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0448029U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5934932A (en) * | 1982-08-21 | 1984-02-25 | Nissan Motor Co Ltd | Separation chamber structure of fuel tank |
-
1990
- 1990-08-29 JP JP8946490U patent/JPH0448029U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5934932A (en) * | 1982-08-21 | 1984-02-25 | Nissan Motor Co Ltd | Separation chamber structure of fuel tank |
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