EP1431584A3 - Multi-stage electric pump - Google Patents
Multi-stage electric pump Download PDFInfo
- Publication number
- EP1431584A3 EP1431584A3 EP03380287A EP03380287A EP1431584A3 EP 1431584 A3 EP1431584 A3 EP 1431584A3 EP 03380287 A EP03380287 A EP 03380287A EP 03380287 A EP03380287 A EP 03380287A EP 1431584 A3 EP1431584 A3 EP 1431584A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- electric motor
- electric pump
- stage
- stage electric
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/06—Multi-stage pumps
- F04D1/063—Multi-stage pumps of the vertically split casing type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
- F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200203032U ES1053407Y (es) | 2002-12-18 | 2002-12-18 | Electrobomba multicelular. |
ES200203032 | 2002-12-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1431584A2 EP1431584A2 (en) | 2004-06-23 |
EP1431584A3 true EP1431584A3 (en) | 2005-07-27 |
Family
ID=8502758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03380287A Withdrawn EP1431584A3 (en) | 2002-12-18 | 2003-12-12 | Multi-stage electric pump |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1431584A3 (es) |
ES (1) | ES1053407Y (es) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7946810B2 (en) | 2006-10-10 | 2011-05-24 | Grundfos Pumps Corporation | Multistage pump assembly |
US8172523B2 (en) | 2006-10-10 | 2012-05-08 | Grudfos Pumps Corporation | Multistage pump assembly having removable cartridge |
US7740182B2 (en) | 2006-11-08 | 2010-06-22 | Grundfos Pumps Corporation | Method and system for controlled release of hot water from a fixture |
CN114294236B (zh) * | 2022-01-21 | 2024-01-30 | 浙江南元泵业有限公司 | 一种可变扬程节能立式多级离心泵 |
CN117967579B (zh) * | 2024-04-01 | 2024-06-11 | 烟台大学 | 一种集液管外置的高压大扬程泵 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2289891A1 (fr) * | 1974-11-04 | 1976-05-28 | Wenderoth P | Controleur magnetique d'ecoulement de fluides |
EP0528726A1 (fr) * | 1991-08-16 | 1993-02-24 | POMPES SALMSON Société Anonyme à directoire dite: | Procédé et dispositif de commande d'une installation de pompage et élément modulaire de détection pour une telle installation |
EP0664398A1 (de) * | 1994-01-21 | 1995-07-26 | WILO GmbH | Kreiselpumpe mit den Rückfluss verhinderndem Ventil |
GB2293403A (en) * | 1994-09-21 | 1996-03-27 | Esmaco Pte Ltd | Variable-speed controlled booster pump for water supply system |
US6234759B1 (en) * | 1998-07-16 | 2001-05-22 | Ewald Hennel | Method for regulating a fluid pressure |
-
2002
- 2002-12-18 ES ES200203032U patent/ES1053407Y/es not_active Expired - Fee Related
-
2003
- 2003-12-12 EP EP03380287A patent/EP1431584A3/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2289891A1 (fr) * | 1974-11-04 | 1976-05-28 | Wenderoth P | Controleur magnetique d'ecoulement de fluides |
EP0528726A1 (fr) * | 1991-08-16 | 1993-02-24 | POMPES SALMSON Société Anonyme à directoire dite: | Procédé et dispositif de commande d'une installation de pompage et élément modulaire de détection pour une telle installation |
EP0664398A1 (de) * | 1994-01-21 | 1995-07-26 | WILO GmbH | Kreiselpumpe mit den Rückfluss verhinderndem Ventil |
GB2293403A (en) * | 1994-09-21 | 1996-03-27 | Esmaco Pte Ltd | Variable-speed controlled booster pump for water supply system |
US6234759B1 (en) * | 1998-07-16 | 2001-05-22 | Ewald Hennel | Method for regulating a fluid pressure |
Also Published As
Publication number | Publication date |
---|---|
ES1053407Y (es) | 2003-07-16 |
EP1431584A2 (en) | 2004-06-23 |
ES1053407U (es) | 2003-04-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK |
|
AKX | Designation fees paid | ||
REG | Reference to a national code |
Ref country code: DE Ref legal event code: 8566 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20060128 |