JPH031296U - - Google Patents
Info
- Publication number
- JPH031296U JPH031296U JP6283189U JP6283189U JPH031296U JP H031296 U JPH031296 U JP H031296U JP 6283189 U JP6283189 U JP 6283189U JP 6283189 U JP6283189 U JP 6283189U JP H031296 U JPH031296 U JP H031296U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- opening
- fuel
- pump
- closes
- 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 9
- 239000002828 fuel tank Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Check Valves (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案に係る第１実施例の燃料ポンプ
の平面図、第２図は第１図のＡ−Ａ線断面図、第
３図〜第５図は第１実施例のベーパチエツクバル
ブの動作を説明する図であり、第３図は燃料ポン
プの停止時におけるベーパチエツクバルブの動作
説明図、第４図は燃料ポンプの動作時におけるベ
ーパチエツクバルブの動作説明図、第５図は第３
図におけるＢ−Ｂ線断面図、第６図は本考案に係
る第２実施例を示す要部縦断面図、第７図は第２
実施例の平面図、第８図は本考案に係る第３実施
例を示す要部縦断面図、第９図は第３実施例の平
面図である。
１，１００，２００……燃料ポンプ、２０，２
１０……ベーパチエツクバルブ、１２，２１２…
…シールボール、１４，２１４……ベーパ通路、
１６，２１６……ボール受け。
FIG. 1 is a plan view of a fuel pump according to a first embodiment of the present invention, FIG. 2 is a sectional view taken along line A-A in FIG. 1, and FIGS. 3 to 5 are a vapor check valve of a first embodiment. FIG. 3 is an explanatory diagram of the operation of the vapor check valve when the fuel pump is stopped, FIG. 4 is an explanatory diagram of the operation of the vapor check valve when the fuel pump is in operation, and FIG. 3
6 is a longitudinal sectional view of main parts showing the second embodiment of the present invention, and FIG. 7 is a sectional view taken along line B-B in the figure.
FIG. 8 is a longitudinal cross-sectional view of essential parts showing a third embodiment of the present invention, and FIG. 9 is a plan view of the third embodiment. 1,100,200...Fuel pump, 20,2
10... Vapor check valve, 12,212...
... Seal ball, 14,214 ... Vapor passage,
16,216...Catch the ball.
Claims (1)
であつて、 モータと、 前記モータの下方に位置して前記モータで駆動
されるポンプとを有し、 前記モータのハウジングには前記ポンプとの連
通孔と燃料吐出口が設けられ、前記ポンプからの
圧送燃料が前記モータハウジング内を通過して前
記燃料吐出口から吐出される形式のモーター体式
燃料ポンプにおいて、 前記モータハウジングには、このモータハウジ
ングの内外を連通する開口とこの開口を開閉する
弁子とからなるバルブが付設され、この弁子が前
記モータハウジング内が加圧状態にあるときには
この圧力によつて前記開口を閉じ、一方非加圧状
態にあるときには前記開口を開くものである モーター体式燃料ポンプ。[Claims for Utility Model Registration] A fuel pump installed and used in a fuel tank, comprising: a motor; and a pump located below the motor and driven by the motor; and a housing for the motor. is provided with a communication hole with the pump and a fuel discharge port, and the pressurized fuel from the pump passes through the inside of the motor housing and is discharged from the fuel discharge port, wherein the motor housing is provided with a valve consisting of an opening that communicates between the inside and outside of the motor housing and a valve element that opens and closes this opening, and when the inside of the motor housing is pressurized, the valve element closes the opening due to this pressure. A motor-based fuel pump which closes the opening and opens the opening when in a non-pressurized state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6283189U JPH031296U (en) | 1989-05-30 | 1989-05-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6283189U JPH031296U (en) | 1989-05-30 | 1989-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH031296U true JPH031296U (en) | 1991-01-09 |
Family
ID=31592339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6283189U Pending JPH031296U (en) | 1989-05-30 | 1989-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH031296U (en) |
-
1989
- 1989-05-30 JP JP6283189U patent/JPH031296U/ja active Pending
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