JPS62163669U - - Google Patents
Info
- Publication number
- JPS62163669U JPS62163669U JP5187086U JP5187086U JPS62163669U JP S62163669 U JPS62163669 U JP S62163669U JP 5187086 U JP5187086 U JP 5187086U JP 5187086 U JP5187086 U JP 5187086U JP S62163669 U JPS62163669 U JP S62163669U
- Authority
- JP
- Japan
- Prior art keywords
- check valve
- fuel tank
- negative pressure
- inlet pipe
- crank 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
- 239000002828 fuel tank Substances 0.000 claims description 4
- 230000035485 pulse pressure Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 1
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
- Check Valves (AREA)
Description
第１図は本考案の第一実施例を示す構成図、第
２図はその要部縦断面、第３図は第二実施例の構
成図である。
２，２５…気化器、３，２６…燃料ポンプ、４
…クランク室、５，１６，２８，２９…導入管、
６…燃料タンク、７，１２，１３，１７，３０…
逆止弁、９…パルス室。
FIG. 1 is a block diagram showing a first embodiment of the present invention, FIG. 2 is a vertical cross-section of a main part thereof, and FIG. 3 is a block diagram of a second embodiment. 2, 25... Carburetor, 3, 26... Fuel pump, 4
...Crank chamber, 5, 16, 28, 29...Introduction pipe,
6... Fuel tank, 7, 12, 13, 17, 30...
Check valve, 9...Pulse chamber.
Claims (1)
料タンクにエンジンのクランク室のパルス圧を導
入する導入管を接続するとともに、この導入管に
クランク室へ向つて閉じる補助の逆止弁を設け、
この補助の逆止弁は燃料タンク内部の負圧が前記
所定の負圧以上となつたとき開くように構成した
ことを特徴とする燃料タンク装置。 An inlet pipe that introduces pulse pressure from the engine's crank chamber is connected to a fuel tank equipped with a check valve that maintains a predetermined negative pressure inside, and an auxiliary check valve that closes toward the crank chamber is connected to this inlet pipe. established,
A fuel tank device characterized in that the auxiliary check valve is configured to open when the negative pressure inside the fuel tank exceeds the predetermined negative pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5187086U JPS62163669U (en) | 1986-04-07 | 1986-04-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5187086U JPS62163669U (en) | 1986-04-07 | 1986-04-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62163669U true JPS62163669U (en) | 1987-10-17 |
Family
ID=30876532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5187086U Pending JPS62163669U (en) | 1986-04-07 | 1986-04-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62163669U (en) |
-
1986
- 1986-04-07 JP JP5187086U patent/JPS62163669U/ja active Pending