JPH0337266U - - Google Patents
Info
- Publication number
- JPH0337266U JPH0337266U JP9773789U JP9773789U JPH0337266U JP H0337266 U JPH0337266 U JP H0337266U JP 9773789 U JP9773789 U JP 9773789U JP 9773789 U JP9773789 U JP 9773789U JP H0337266 U JPH0337266 U JP H0337266U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- negative pressure
- fuel tank
- valve
- engine
- 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 12
- 239000002828 fuel tank Substances 0.000 claims description 9
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Check Valves (AREA)
Description
第１図は本考案の負圧燃料コツクの第１の実施
例の正面外観図、第２図は第１図の−断面矢
視図、第３図は第２の実施例の断面図、第４図は
燃料供給通路の負圧開閉弁と余剰燃料の戻し通路
通路の負圧開閉弁とが一体に形成されている実公
昭６１−３２１３０号開示の負圧燃料コツクの断
面図、第５図は第４図に示す負圧燃料コツクが配
置されている燃料供給装置を示す。
符号の説明：１……エンジン、２……気化器、
３……燃料タンク、４……燃料供給通路、５……
燃料ポンプ、６……燃料戻し通路、７……負圧燃
料コツク、７−３……第１のダイアフラム、７−
４……第２のダイアフラム、７−９……弁体、９
……燃料戻し通路、１０，１０ａ……逆止弁、１
０−１，１０ａ−１……弁座体、１０−２……球
状弁体、１０−３……スプリング、１０ａ−２…
…傘形弁。
FIG. 1 is a front external view of a first embodiment of the negative pressure fuel tank of the present invention, FIG. Figure 4 is a sectional view of a negative pressure fuel tank disclosed in Japanese Utility Model Publication No. 61-32130, in which a negative pressure on/off valve for the fuel supply passage and a negative pressure on/off valve for the excess fuel return passage are integrally formed; shows a fuel supply device in which the negative pressure fuel tank shown in FIG. 4 is arranged. Explanation of symbols: 1...engine, 2...carburizer,
3...Fuel tank, 4...Fuel supply passage, 5...
Fuel pump, 6... Fuel return passage, 7... Negative pressure fuel tank, 7-3... First diaphragm, 7-
4... Second diaphragm, 7-9... Valve body, 9
...Fuel return passage, 10, 10a...Check valve, 1
0-1, 10a-1... Valve seat body, 10-2... Spherical valve body, 10-3... Spring, 10a-2...
...Umbrella-shaped valve.
Claims (1)
て開弁し、エンジンが停止すると吸気負圧の消滅
によつて閉弁する負圧燃料コツクであつて燃料タ
ンクの底部に取付けられ、該負圧燃料コツクと気
化器の浮子室とを結ぶ燃料供給通路に燃料ポンプ
が配置され、余剰燃料が前記燃料タンクに戻され
る燃料供給装置に使用されるものにおいて、前記
負圧燃料コツクの筺体に、逆止弁を備えた燃料戻
し通路が形成されている負圧燃料コツク。 When the engine is running, the valve opens due to the engine's intake negative pressure, and when the engine is stopped, the valve closes when the intake negative pressure disappears.The valve is attached to the bottom of the fuel tank, and the negative pressure In a fuel supply device in which a fuel pump is disposed in a fuel supply passage connecting a fuel tank and a float chamber of a carburetor, and surplus fuel is returned to the fuel tank, there is a A negative pressure fuel tank with a fuel return passage equipped with a stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9773789U JPH0337266U (en) | 1989-08-22 | 1989-08-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9773789U JPH0337266U (en) | 1989-08-22 | 1989-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0337266U true JPH0337266U (en) | 1991-04-11 |
Family
ID=31646869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9773789U Pending JPH0337266U (en) | 1989-08-22 | 1989-08-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0337266U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6132130U (en) * | 1984-07-30 | 1986-02-26 | ナショナル住宅産業株式会社 | loading device |
-
1989
- 1989-08-22 JP JP9773789U patent/JPH0337266U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6132130U (en) * | 1984-07-30 | 1986-02-26 | ナショナル住宅産業株式会社 | loading device |