JPS6331284U - - Google Patents
Info
- Publication number
- JPS6331284U JPS6331284U JP12549686U JP12549686U JPS6331284U JP S6331284 U JPS6331284 U JP S6331284U JP 12549686 U JP12549686 U JP 12549686U JP 12549686 U JP12549686 U JP 12549686U JP S6331284 U JPS6331284 U JP S6331284U
- Authority
- JP
- Japan
- Prior art keywords
- chamber
- pump
- relief hole
- sealed
- pressure relief
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 1
Landscapes
- Mechanical Sealing (AREA)
Description
第１図は本考案水中ポンプの一実施例を示す要
部断面図、第２図は従来の水中ポンプの一例を示
す要部断面図である。
１……モータ室、２……ポンプ室、３……回転
羽根、７……回転軸、８，９……メカニカルシー
ル、１０……密封油室、１１……外周壁、１３…
…圧力逃し孔、１５……逆止弁装置。
FIG. 1 is a sectional view of a main part of an embodiment of the submersible pump of the present invention, and FIG. 2 is a sectional view of a main part of an example of a conventional submersible pump. DESCRIPTION OF SYMBOLS 1... Motor chamber, 2... Pump chamber, 3... Rotating vane, 7... Rotating shaft, 8, 9... Mechanical seal, 10... Sealed oil chamber, 11... Outer peripheral wall, 13...
...Pressure relief hole, 15...Check valve device.
Claims (1)
周をシールする軸封装置によつてポンプ室とモー
タ室との間に密封形成された密封油室の外周壁に
、ポンプ外部へ延びる圧力逃し孔と、密封油室内
の圧力が所定値を超えて上昇したときにのみ該圧
力逃し孔を開放する弁装置を設けたことを特徴と
する水中ポンプ。 A pressure relief hole extending to the outside of the pump is provided in the outer peripheral wall of the sealed oil chamber that is sealed between the pump chamber and the motor chamber by a shaft sealing device that seals the periphery of the rotating shaft that drives the rotary vanes in the pump chamber. A submersible pump characterized in that it is provided with a valve device that opens the pressure relief hole only when the pressure inside the sealed oil chamber rises above a predetermined value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12549686U JPS6331284U (en) | 1986-08-19 | 1986-08-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12549686U JPS6331284U (en) | 1986-08-19 | 1986-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6331284U true JPS6331284U (en) | 1988-02-29 |
Family
ID=31018444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12549686U Pending JPS6331284U (en) | 1986-08-19 | 1986-08-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6331284U (en) |
-
1986
- 1986-08-19 JP JP12549686U patent/JPS6331284U/ja active Pending
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