IT1080741B - REGULATOR AND PROGRAMMER TO CONTROL ELECTRIC UNITS IN FUNCTION OF TWO LIMIT VALUES WITH THE DESIRED SWITCHING BETWEEN THEM AND WITHOUT DELAYS - Google Patents
REGULATOR AND PROGRAMMER TO CONTROL ELECTRIC UNITS IN FUNCTION OF TWO LIMIT VALUES WITH THE DESIRED SWITCHING BETWEEN THEM AND WITHOUT DELAYSInfo
- Publication number
- IT1080741B IT1080741B IT1258176A IT1258176A IT1080741B IT 1080741 B IT1080741 B IT 1080741B IT 1258176 A IT1258176 A IT 1258176A IT 1258176 A IT1258176 A IT 1258176A IT 1080741 B IT1080741 B IT 1080741B
- Authority
- IT
- Italy
- Prior art keywords
- programmer
- delays
- regulator
- function
- limit values
- Prior art date
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
- F04D13/00—Pumping installations or systems
- F04D13/12—Combinations of two or more pumps
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
- Motor And Converter Starters (AREA)
- Basic Packing Technique (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7511625A FR2307993A1 (en) | 1975-04-15 | 1975-04-15 | INSTALLATION OF A BOOSTER, ESPECIALLY FOR THE DISTRIBUTION OF WATER IN BUILDINGS |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1080741B true IT1080741B (en) | 1985-05-16 |
Family
ID=9153927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT1258176A IT1080741B (en) | 1975-04-15 | 1976-04-13 | REGULATOR AND PROGRAMMER TO CONTROL ELECTRIC UNITS IN FUNCTION OF TWO LIMIT VALUES WITH THE DESIRED SWITCHING BETWEEN THEM AND WITHOUT DELAYS |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE2616549C3 (en) |
ES (1) | ES446960A1 (en) |
FR (1) | FR2307993A1 (en) |
GB (1) | GB1522892A (en) |
IT (1) | IT1080741B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2353730A1 (en) * | 1976-04-09 | 1977-12-30 | Pumpex Production Ab | Hydrodynamic pumping set control system - gives continuously variable output dependent on value detected by feeler |
DE102010055841A1 (en) * | 2010-12-23 | 2012-06-28 | Wilo Se | Method for operating a double pump or multi-pump unit |
US8302625B1 (en) * | 2011-06-23 | 2012-11-06 | General Electric Company | Validation of working fluid parameter indicator sensitivity in system with centrifugal machines |
CN114411882B (en) * | 2022-02-10 | 2024-03-26 | 中国电建集团贵阳勘测设计研究院有限公司 | Pump station arrangement structure based on small flow and large lift amplitude |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2165138A5 (en) * | 1971-12-20 | 1973-08-03 | Laks Maurice |
-
1975
- 1975-04-15 FR FR7511625A patent/FR2307993A1/en active Granted
-
1976
- 1976-04-13 IT IT1258176A patent/IT1080741B/en active
- 1976-04-13 ES ES446960A patent/ES446960A1/en not_active Expired
- 1976-04-14 DE DE19762616549 patent/DE2616549C3/en not_active Expired
- 1976-04-14 GB GB1528876A patent/GB1522892A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2616549B2 (en) | 1977-12-08 |
DE2616549A1 (en) | 1976-10-21 |
FR2307993A1 (en) | 1976-11-12 |
GB1522892A (en) | 1978-08-31 |
FR2307993B1 (en) | 1978-09-01 |
DE2616549C3 (en) | 1978-08-03 |
ES446960A1 (en) | 1977-06-01 |
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