JP2019190338A - 自吸式ポンプ - Google Patents
自吸式ポンプ Download PDFInfo
- Publication number
- JP2019190338A JP2019190338A JP2018082421A JP2018082421A JP2019190338A JP 2019190338 A JP2019190338 A JP 2019190338A JP 2018082421 A JP2018082421 A JP 2018082421A JP 2018082421 A JP2018082421 A JP 2018082421A JP 2019190338 A JP2019190338 A JP 2019190338A
- Authority
- JP
- Japan
- Prior art keywords
- self
- impeller
- return hole
- priming pump
- priming
- 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.)
- Granted
Links
- 239000012530 fluid Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 24
- 238000000926 separation method Methods 0.000 description 13
- 238000005086 pumping Methods 0.000 description 11
- 230000002093 peripheral effect Effects 0.000 description 6
- 239000000470 constituent Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000002301 combined effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims (6)
- 回転軸、前記回転軸に設けられ前記回転軸の軸方向における一方側と他方側を連通させる第1戻し孔を有する第1シュラウド、及び前記第1シュラウドに形成された1枚以上の羽根部材、を具備するインペラと、
前記インペラの前記軸方向における一方側に対向配置され前記軸方向の一方側と他方側を連通させる第2戻し孔を有するガイド板、及び1枚以上の案内羽根、を具備するガイドベーンと、
を備える自吸式ポンプ。 - 前記インペラの前記軸方向の他方側に所定の隙間を介して配置されるカバーを有し、前記インペラと前記ガイドベーンとを収容するポンプケーシングを備え、
複数の前記第1戻し孔及び複数の前記第2戻し孔は、前記回転軸を中心とした同心円に配された請求項1に記載の自吸式ポンプ。 - 第1戻し孔は、前記羽根部材の湾曲の内側に配された、請求項1又は請求項2に記載の自吸式ポンプ。
- 第1戻し孔は、前記回転軸と、前記羽根部材の径方向内側の端部とを結ぶ線上に配された、請求項1乃至請求項3のいずれか1項に記載の自吸式ポンプ。
- 前記第2戻し孔の孔径は、前記第1戻し孔の孔径よりも大きい、請求項1乃至請求項4のいずれか1項に記載の自吸式ポンプ。
- 前記第2戻し孔は、回転の周方向において、隣接する一対の前記案内羽根の間に形成される流体入口の中央よりも後方に配される、請求項1乃至請求項5のいずれか1項に記載の自吸式ポンプ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018082421A JP7224773B2 (ja) | 2018-04-23 | 2018-04-23 | 自吸式ポンプ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018082421A JP7224773B2 (ja) | 2018-04-23 | 2018-04-23 | 自吸式ポンプ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019190338A true JP2019190338A (ja) | 2019-10-31 |
JP7224773B2 JP7224773B2 (ja) | 2023-02-20 |
Family
ID=68389341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018082421A Active JP7224773B2 (ja) | 2018-04-23 | 2018-04-23 | 自吸式ポンプ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP7224773B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20220111972A (ko) * | 2021-02-03 | 2022-08-10 | 한일전기 주식회사 | 기수 분리가 개선되는 자흡펌프 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4981201U (ja) * | 1972-11-01 | 1974-07-13 | ||
JPS5238601U (ja) * | 1975-09-11 | 1977-03-18 | ||
US4637778A (en) * | 1983-12-12 | 1987-01-20 | Textron Inc. | Self-priming diffuser type centrifugal pump |
JP2007040155A (ja) * | 2005-08-02 | 2007-02-15 | Kawamoto Pump Mfg Co Ltd | 自吸式ポンプ |
-
2018
- 2018-04-23 JP JP2018082421A patent/JP7224773B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4981201U (ja) * | 1972-11-01 | 1974-07-13 | ||
JPS5238601U (ja) * | 1975-09-11 | 1977-03-18 | ||
US4637778A (en) * | 1983-12-12 | 1987-01-20 | Textron Inc. | Self-priming diffuser type centrifugal pump |
JP2007040155A (ja) * | 2005-08-02 | 2007-02-15 | Kawamoto Pump Mfg Co Ltd | 自吸式ポンプ |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20220111972A (ko) * | 2021-02-03 | 2022-08-10 | 한일전기 주식회사 | 기수 분리가 개선되는 자흡펌프 |
KR102473582B1 (ko) * | 2021-02-03 | 2022-12-05 | 한일전기 주식회사 | 기수 분리가 개선되는 자흡펌프 |
Also Published As
Publication number | Publication date |
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JP7224773B2 (ja) | 2023-02-20 |
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