NL6411968A - - Google Patents
Info
- Publication number
- NL6411968A NL6411968A NL6411968A NL6411968A NL6411968A NL 6411968 A NL6411968 A NL 6411968A NL 6411968 A NL6411968 A NL 6411968A NL 6411968 A NL6411968 A NL 6411968A NL 6411968 A NL6411968 A NL 6411968A
- Authority
- NL
- Netherlands
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
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0072—Installation or systems with two or more pumps, wherein the flow path through the stages can be changed, e.g. series-parallel
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US318866A US3232235A (en) | 1963-10-25 | 1963-10-25 | Pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6411968A true NL6411968A (xx) | 1965-04-26 |
Family
ID=23239880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6411968A NL6411968A (xx) | 1963-10-25 | 1964-10-14 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3232235A (xx) |
| CH (1) | CH426497A (xx) |
| DE (1) | DE1528742B1 (xx) |
| GB (1) | GB1043757A (xx) |
| NL (1) | NL6411968A (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH669979A5 (xx) * | 1986-04-30 | 1989-04-28 | Sulzer Ag | |
| ITFI20120272A1 (it) * | 2012-12-05 | 2014-06-06 | Nuovo Pignone Srl | "back-to-back centrifugal pump" |
| ITUB20153032A1 (it) * | 2015-08-10 | 2017-02-10 | Nuovo Pignone Tecnologie Srl | Pompa centrifuga |
| US11441577B2 (en) * | 2020-02-06 | 2022-09-13 | Curtiss-Wright Electro-Mechanical Corporation | Apparatus for transferring pressurized fluid in a back-to-back multi-stage pump |
| EP3929445A1 (en) * | 2020-06-22 | 2021-12-29 | Grundfos Holding A/S | Centrifugal pump device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE275292C (xx) * | ||||
| DE295133C (xx) * | ||||
| DE340447C (de) * | 1920-07-04 | 1921-09-15 | Sulzer Ag | Mehrstufige Kreiselpumpe, bei welcher die Stufen einzeln oder gruppenweise entweder parallel oder hintereinander geschaltet werden koennen |
| FR554326A (fr) * | 1922-07-21 | 1923-06-08 | Rateau Sa | Dispositif de mise en série ou en parallèle des roues de pompes |
| DE460986C (de) * | 1926-02-20 | 1928-06-09 | Walter Kropf | Mehrstufige Zentrifugalpumpe, bei welcher aus mindestens je einem Laufrade bestehende Schaltstufen mittels eines ausserhalb des Umfangs des Radkoerpers angeordneten Umschaltorgans hintereinander oder parallel geschaltet werden koennen |
| FR873127A (fr) * | 1941-06-17 | 1942-06-30 | Condensation Application Mec | Pompe centrifuge à deux roues pouvant être mises, à volonté, en parallèle ou ensérie |
-
1963
- 1963-10-25 US US318866A patent/US3232235A/en not_active Expired - Lifetime
-
1964
- 1964-09-15 GB GB37703/64A patent/GB1043757A/en not_active Expired
- 1964-10-14 NL NL6411968A patent/NL6411968A/xx unknown
- 1964-10-21 DE DE19641528742 patent/DE1528742B1/de not_active Withdrawn
- 1964-10-23 CH CH1374564A patent/CH426497A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3232235A (en) | 1966-02-01 |
| DE1528742B1 (de) | 1969-09-11 |
| CH426497A (de) | 1966-12-15 |
| GB1043757A (en) | 1966-09-28 |