JPH0356894U - - Google Patents
Info
- Publication number
- JPH0356894U JPH0356894U JP11628689U JP11628689U JPH0356894U JP H0356894 U JPH0356894 U JP H0356894U JP 11628689 U JP11628689 U JP 11628689U JP 11628689 U JP11628689 U JP 11628689U JP H0356894 U JPH0356894 U JP H0356894U
- Authority
- JP
- Japan
- Prior art keywords
- openings
- vertical shaft
- suction bell
- bell portion
- shaft pump
- 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
- 230000002265 prevention Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本願考案に係る立軸ポンプの要部の縦
断側面図、第２図及び第３図は、従来装置の振動
と騒音の発生する状態の解説的な側面図、第４図
は本願考案に係る水をケーシング内に保持したま
まの保持運転の状態を示す側面図である。
符号説明、２……羽根車、４……ポンプケーシ
ング、５……吸込ベル部、６……スリツト、７…
…カバー。
FIG. 1 is a vertical sectional side view of the main parts of the vertical shaft pump according to the present invention, FIGS. 2 and 3 are explanatory side views of the state in which vibration and noise are generated in the conventional device, and FIG. 4 is the present invention. FIG. 3 is a side view showing a state of a holding operation while retaining water in the casing. Explanation of symbols, 2... impeller, 4... pump casing, 5... suction bell section, 6... slit, 7...
…cover.
Claims (1)
ベル部５に複数の開孔６……を円周方向に並設し
、この開孔６を開閉することができる環状のカバ
ー７を吸込ベル部５の周囲に摺動自在に配設した
ことを特徴とする立軸ポンプの空気巻込み防止装
置。 A plurality of openings 6 are arranged in parallel in the circumferential direction in the suction bell portion 5 of the pump casing 4 that houses the impeller 2, and an annular cover 7 that can open and close the openings 6 is attached to the suction bell portion 5. An air entrainment prevention device for a vertical shaft pump, characterized in that it is slidably disposed around the vertical shaft pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11628689U JPH0356894U (en) | 1989-10-03 | 1989-10-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11628689U JPH0356894U (en) | 1989-10-03 | 1989-10-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0356894U true JPH0356894U (en) | 1991-05-31 |
Family
ID=31664569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11628689U Pending JPH0356894U (en) | 1989-10-03 | 1989-10-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0356894U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6228097B2 (en) * | 1980-12-26 | 1987-06-18 | Tokyo Shibaura Electric Co | |
| JPS6483896A (en) * | 1987-09-28 | 1989-03-29 | Hitachi Ltd | Vertical shaft mixed flow pump |
-
1989
- 1989-10-03 JP JP11628689U patent/JPH0356894U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6228097B2 (en) * | 1980-12-26 | 1987-06-18 | Tokyo Shibaura Electric Co | |
| JPS6483896A (en) * | 1987-09-28 | 1989-03-29 | Hitachi Ltd | Vertical shaft mixed flow pump |
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