JPS6379233U - - Google Patents
Info
- Publication number
- JPS6379233U JPS6379233U JP17337186U JP17337186U JPS6379233U JP S6379233 U JPS6379233 U JP S6379233U JP 17337186 U JP17337186 U JP 17337186U JP 17337186 U JP17337186 U JP 17337186U JP S6379233 U JPS6379233 U JP S6379233U
- Authority
- JP
- Japan
- Prior art keywords
- fuel tank
- tank
- way valve
- opens
- 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
- 239000002828 fuel tank Substances 0.000 claims description 10
- 239000000446 fuel Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Description
第１図は本考案の一実施例に係る燃料タンク用
キヤツプの取り付け状態を示す一部拡大断面図、
第２図は第１図の燃料タンク用キヤツプの内蓋の
上面図、第３図は従来の燃料タンク用キヤツプの
取り付け状態を示す一部拡大断面図である。
１……燃料タンク用キヤツプ、２……燃料タン
ク、１１……外蓋、１１ａ……空気孔、１２……
内蓋、１２１……タンク内気排出孔、１２２……
外気導入孔、１３……空間、１８，１９……一方
向弁、１８１，１９１……弁体。
FIG. 1 is a partially enlarged sectional view showing the installation state of a fuel tank cap according to an embodiment of the present invention;
FIG. 2 is a top view of the inner lid of the fuel tank cap shown in FIG. 1, and FIG. 3 is a partially enlarged sectional view showing how the conventional fuel tank cap is attached. 1...Fuel tank cap, 2...Fuel tank, 11...Outer cover, 11a...Air hole, 12...
Inner lid, 121...tank air exhaust hole, 122...
Outside air introduction hole, 13... Space, 18, 19... One-way valve, 181, 191... Valve body.
Claims (1)
るとともに、これらの各蓋に夫々空気孔を設けて
燃料タンクの燃料注入口に着脱可能に冠着する燃
料タンク用キヤツプにおいて、前記内蓋に、前記
燃料タンクの内圧が外気圧を超えた時に開弁して
当該タンクの内気を排出する第１の一方向弁と、
前記燃料タンクの内圧が外気圧以下のときに開弁
して当該タンク内に外気を導入する第２の一方向
弁とを設けたことを特徴とする燃料タンク用キヤ
ツプ。 In a fuel tank cap which has a double structure by providing a gap between an outer cover and an inner cover, each of these covers is provided with an air hole, and is removably attached to a fuel inlet of a fuel tank, a first one-way valve on the inner lid that opens when the internal pressure of the fuel tank exceeds the external pressure to exhaust internal air from the tank;
A cap for a fuel tank, comprising: a second one-way valve that opens when the internal pressure of the fuel tank is equal to or lower than the external pressure to introduce outside air into the tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17337186U JPS6379233U (en) | 1986-11-13 | 1986-11-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17337186U JPS6379233U (en) | 1986-11-13 | 1986-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6379233U true JPS6379233U (en) | 1988-05-25 |
Family
ID=31110770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17337186U Pending JPS6379233U (en) | 1986-11-13 | 1986-11-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6379233U (en) |
-
1986
- 1986-11-13 JP JP17337186U patent/JPS6379233U/ja active Pending