JPS6413294U - - Google Patents
Info
- Publication number
- JPS6413294U JPS6413294U JP10703987U JP10703987U JPS6413294U JP S6413294 U JPS6413294 U JP S6413294U JP 10703987 U JP10703987 U JP 10703987U JP 10703987 U JP10703987 U JP 10703987U JP S6413294 U JPS6413294 U JP S6413294U
- Authority
- JP
- Japan
- Prior art keywords
- seal
- pump
- drive source
- impeller
- shaft
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案の実施例に係る水中ポンプの要
部を示す半裁断面図、第２図は同水中ポンプに組
み込むベーンポンプの断面図、第３図は同作動説
明図、第４図はベーンポンプの第２の例を示す断
面図、第５図はベーンポンプの第３の例を示す断
面図、第６図は同作動説明図、第７図はベーンポ
ンプの第４の例を示す断面図である。
１……ケース、１Ａ・・・１Ｅ……ケース部材
、２，２′，２１……シヤフト、３……インペラ
、４……端蓋、８，１７……リツプシール、９…
…セグメントシール、１３，１６……流路、２０
……エアポンプ、２２……カツプリング、２９…
…ロータ、３０ａ，３０ｂ，３０ｃ……ベーン、
３７……吸入口、３８……吐出口。
Fig. 1 is a half-cut sectional view showing the main parts of a submersible pump according to an embodiment of the present invention, Fig. 2 is a sectional view of a vane pump incorporated into the submersible pump, Fig. 3 is an explanatory diagram of its operation, and Fig. 4 is a vane pump. 5 is a sectional view showing a third example of the vane pump, FIG. 6 is an explanatory diagram of the same operation, and FIG. 7 is a sectional view showing a fourth example of the vane pump. . 1... Case, 1A...1E... Case member, 2, 2', 21... Shaft, 3... Impeller, 4... End cover, 8, 17... Lip seal, 9...
... Segment seal, 13, 16 ... Channel, 20
...Air pump, 22...Cup ring, 29...
...rotor, 30a, 30b, 30c...vane,
37... Suction port, 38... Discharge port.
Claims (1)
延びるシヤフトにインペラを取り付け、該駆動源
とインペラの間をリツプシールやセグメントシー
ル等のシール部材をつかつて軸封してなる水中ポ
ンプにおいて、前記ケース内に、前記駆動源の駆
動によつて回転作動するエアポンプを備え、該エ
アポンプから送出される空気を前記軸封部を通過
させてインペラ側に溢出させることを特徴とする
水中ポンプ。 (2) 前記エアポンプが複数のベーンをつかつた
ベーンポンプであることを特徴とする実用新案登
録請求の範囲第１項記載の水中ポンプ。[Scope of Claim for Utility Model Registration] (1) An impeller is attached to a shaft extending from a drive source such as a motor installed in a case, and a seal member such as a lip seal or segment seal is used to seal the shaft between the drive source and the impeller. In the submersible pump, an air pump rotatably operated by driving the drive source is provided in the case, and air sent from the air pump is caused to pass through the shaft seal and overflow to the impeller side. Features submersible pump. (2) The submersible pump according to claim 1, wherein the air pump is a vane pump having a plurality of vanes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10703987U JPS6413294U (en) | 1987-07-14 | 1987-07-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10703987U JPS6413294U (en) | 1987-07-14 | 1987-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6413294U true JPS6413294U (en) | 1989-01-24 |
Family
ID=31341089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10703987U Pending JPS6413294U (en) | 1987-07-14 | 1987-07-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6413294U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS498572A (en) * | 1972-05-13 | 1974-01-25 | ||
| JPS5336701A (en) * | 1976-09-17 | 1978-04-05 | Kubota Ltd | Inundation preventing apparatus for submarine pump |
-
1987
- 1987-07-14 JP JP10703987U patent/JPS6413294U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS498572A (en) * | 1972-05-13 | 1974-01-25 | ||
| JPS5336701A (en) * | 1976-09-17 | 1978-04-05 | Kubota Ltd | Inundation preventing apparatus for submarine pump |
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