JPH0417159U - - Google Patents
Info
- Publication number
- JPH0417159U JPH0417159U JP5710890U JP5710890U JPH0417159U JP H0417159 U JPH0417159 U JP H0417159U JP 5710890 U JP5710890 U JP 5710890U JP 5710890 U JP5710890 U JP 5710890U JP H0417159 U JPH0417159 U JP H0417159U
- Authority
- JP
- Japan
- Prior art keywords
- fuel tank
- negative pressure
- pressure chamber
- diaphragm
- valve
- 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 7
- 239000000446 fuel Substances 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fluid-Driven Valves (AREA)
Description
第１図は本考案の汎用エンジンの燃料コツク装
置の第１の実施例を示す構成図、第２図は第２の
実施例を示す構成図である。
１……エンジン本体、６……燃料タンク、７…
…燃料通路、１０……気化器、１１……燃料室、
２０……燃料コツク、２１……弁ポート、２２…
…弁体、２４……ダイヤフラム、２５……負圧室
、２６……正圧室。
FIG. 1 is a block diagram showing a first embodiment of a fuel tank device for a general-purpose engine of the present invention, and FIG. 2 is a block diagram showing a second embodiment. 1...Engine body, 6...Fuel tank, 7...
... fuel passage, 10 ... carburetor, 11 ... fuel chamber,
20...Fuel stock, 21...Valve port, 22...
... Valve body, 24 ... Diaphragm, 25 ... Negative pressure chamber, 26 ... Positive pressure chamber.
Claims (1)
路に負圧式の燃料コツクを設置するものにおいて
、 上記燃料コツクは、吸入管負圧が導入される負
圧室と、排気の正圧が導入される正圧室とを有し
、 上記負圧室と正圧室とを区画するダイヤフラム
を、上記燃料通路中の弁ポートの弁体の開弁方向
に一体的に結合し、 上記ダイヤフラムの閉弁方向にスプリングを付
勢して構成することを特徴とする汎用エンジンの
燃料コツク装置。 (2) 負圧室と正圧室とは、弁ポートに対する弁
体の配置関係に応じて常に閉弁方向に配設するこ
とを特徴とする請求項(1)記載の汎用エンジンの
燃料コツク装置。[Scope of Claim for Utility Model Registration] (1) In a device in which a negative pressure type fuel tank is installed in the fuel passage from the fuel tank to the fuel chamber of the carburetor, the fuel tank is a negative pressure type where negative pressure is introduced into the suction pipe. and a positive pressure chamber into which positive pressure of exhaust gas is introduced, and a diaphragm that partitions the negative pressure chamber and the positive pressure chamber is integrated in the valve opening direction of the valve body of the valve port in the fuel passage. 1. A fuel tank device for a general-purpose engine, characterized in that the diaphragm is coupled to the diaphragm, and a spring is biased in the valve closing direction of the diaphragm. (2) The fuel tank device for a general-purpose engine according to claim (1), wherein the negative pressure chamber and the positive pressure chamber are always arranged in the valve closing direction depending on the arrangement of the valve body with respect to the valve port. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5710890U JPH0417159U (en) | 1990-05-30 | 1990-05-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5710890U JPH0417159U (en) | 1990-05-30 | 1990-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0417159U true JPH0417159U (en) | 1992-02-13 |
Family
ID=31581523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5710890U Pending JPH0417159U (en) | 1990-05-30 | 1990-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0417159U (en) |
-
1990
- 1990-05-30 JP JP5710890U patent/JPH0417159U/ja active Pending
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