JPS63183392U - - Google Patents
Info
- Publication number
- JPS63183392U JPS63183392U JP7091687U JP7091687U JPS63183392U JP S63183392 U JPS63183392 U JP S63183392U JP 7091687 U JP7091687 U JP 7091687U JP 7091687 U JP7091687 U JP 7091687U JP S63183392 U JPS63183392 U JP S63183392U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- pump
- internal combustion
- stopped
- combustion 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 16
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 239000002828 fuel tank Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
Landscapes
- Check Valves (AREA)
- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Description
第１図は本考案の一実施例の断面図、第２図は
同上の他の実施例を示す要部断面図、第３図は同
上更に他の実施例の断面図、第４図は開閉弁の断
面図、第５図は同上更に他の実施例の断面図、第
６図は従来の内燃機関の燃料ポンプの断面図、第
７図は同上の他の従来例の要部断面図である。
１…ケーシング、２…燃料吐出口、７…ポンプ
部、１３…燃料出口、２２…燃料タンク、３０…
吸引パイプ、３０ａ…段部、３１…リード弁。
Fig. 1 is a sectional view of one embodiment of the present invention, Fig. 2 is a sectional view of essential parts showing another embodiment of the same, Fig. 3 is a sectional view of still another embodiment of the same, and Fig. 4 is an open/closed view. FIG. 5 is a sectional view of a valve, FIG. 5 is a sectional view of another embodiment of the same as above, FIG. 6 is a sectional view of a conventional fuel pump for an internal combustion engine, and FIG. 7 is a sectional view of essential parts of another conventional example of the same as above. be. DESCRIPTION OF SYMBOLS 1... Casing, 2... Fuel discharge port, 7... Pump part, 13... Fuel outlet, 22... Fuel tank, 30...
Suction pipe, 30a...stepped portion, 31...reed valve.
Claims (1)
、前記燃料吐出口を覆いその上部に機関の吸気通
路に配設された燃料供給装置と連通する燃料出口
を備えたケーシングと、を備え、燃料タンク内に
設置される内燃機関の燃料ポンプにおいて、前記
燃料ポンプ停止時に前記ケーシング内の燃料が燃
料タンクに環流する燃料通路に、前記燃料ポンプ
停止時に閉弁状態を維持する一方燃料ポンプ駆動
時には吸引される燃料の流体力により開弁作動す
る弁装置を介装したことを特徴とする内燃機関の
燃料ポンプ。 A pump unit including a fuel suction port and a fuel discharge port, and a casing that covers the fuel discharge port and has a fuel outlet above the pump portion that communicates with a fuel supply device disposed in an intake passage of the engine, In a fuel pump for an internal combustion engine installed in a fuel tank, a fuel passage through which fuel in the casing circulates back to the fuel tank when the fuel pump is stopped is provided with a valve that maintains a closed state when the fuel pump is stopped, but when the fuel pump is operating. A fuel pump for an internal combustion engine, characterized in that it is equipped with a valve device that opens due to the fluid force of sucked fuel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7091687U JPS63183392U (en) | 1987-05-14 | 1987-05-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7091687U JPS63183392U (en) | 1987-05-14 | 1987-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63183392U true JPS63183392U (en) | 1988-11-25 |
Family
ID=30912992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7091687U Pending JPS63183392U (en) | 1987-05-14 | 1987-05-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63183392U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11168655B2 (en) | 2014-11-07 | 2021-11-09 | Aisan Kogyo Kabushiki Kaisha | Fuel filter device |
-
1987
- 1987-05-14 JP JP7091687U patent/JPS63183392U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11168655B2 (en) | 2014-11-07 | 2021-11-09 | Aisan Kogyo Kabushiki Kaisha | Fuel filter device |
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