NL7019038A - - Google Patents
Info
- Publication number
- NL7019038A NL7019038A NL7019038A NL7019038A NL7019038A NL 7019038 A NL7019038 A NL 7019038A NL 7019038 A NL7019038 A NL 7019038A NL 7019038 A NL7019038 A NL 7019038A NL 7019038 A NL7019038 A NL 7019038A
- 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
- F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
- F04D15/029—Stopping of pumps, or operating valves, on occurrence of unwanted conditions for pumps operating in 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
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2004206A DE2004206C3 (de) | 1970-01-30 | 1970-01-30 | Verfahren und Einrichtung zum Aufrechterhalten eines annähernd konstanten Förderstroms beim Umschalten von Kreiselpumpen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL7019038A true NL7019038A (https=) | 1971-08-03 |
| NL158264B NL158264B (nl) | 1978-10-16 |
Family
ID=5760965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7019038.A NL158264B (nl) | 1970-01-30 | 1970-12-30 | Pompinrichting omvattende ten minste twee gescheiden centrifugaalpompstelsels. |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE762026A (https=) |
| CH (1) | CH513337A (https=) |
| DE (1) | DE2004206C3 (https=) |
| FR (1) | FR2077132A5 (https=) |
| GB (1) | GB1337328A (https=) |
| NL (1) | NL158264B (https=) |
| SE (1) | SE367044B (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4084924A (en) * | 1977-02-25 | 1978-04-18 | Alexander Ivanoff | Pump-motor assemblage for circulating a coolant |
| EP0017685B1 (en) * | 1979-04-23 | 1984-03-14 | Westinghouse Electric Corporation | Pump drive assembly for liquid metal reactor |
| DE3049515A1 (de) * | 1980-12-30 | 1982-07-29 | Motan Gmbh, 7972 Isny | Brennerantrieb, insbesondere fuer hochdruckreiniger |
| CN103629105B (zh) * | 2013-12-19 | 2016-08-03 | 杜培文 | 一种离心泵停泵水锤防护方法及装置 |
| CN105937498B (zh) * | 2016-05-21 | 2018-10-19 | 李丽容 | 一种低启动力水泵装置及其控制方法 |
| EP3428453B1 (en) | 2017-07-14 | 2023-06-07 | Grundfos Holding A/S | Multi-pump control keeping the head constant while ramping up or down a subset of the pumps |
-
1970
- 1970-01-30 DE DE2004206A patent/DE2004206C3/de not_active Expired
- 1970-12-09 CH CH1832870A patent/CH513337A/de not_active IP Right Cessation
- 1970-12-18 SE SE17201/70A patent/SE367044B/xx unknown
- 1970-12-30 NL NL7019038.A patent/NL158264B/xx unknown
-
1971
- 1971-01-25 BE BE762026A patent/BE762026A/xx unknown
- 1971-01-29 FR FR7102970A patent/FR2077132A5/fr not_active Expired
- 1971-04-19 GB GB2021071A patent/GB1337328A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2004206A1 (de) | 1971-08-05 |
| SE367044B (https=) | 1974-05-13 |
| NL158264B (nl) | 1978-10-16 |
| DE2004206B2 (de) | 1973-08-02 |
| CH513337A (de) | 1971-09-30 |
| FR2077132A5 (https=) | 1971-10-15 |
| DE2004206C3 (de) | 1974-02-28 |
| GB1337328A (en) | 1973-11-14 |
| BE762026A (fr) | 1971-07-01 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| VJC | Lapsed due to non-payment of the due maintenance fee for the patent or patent application | ||
| NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: HALBERG |