IT1251941B - Sistema perfezionato di comando dell'attuatore di una valvola di regolazione della portata. - Google Patents
Sistema perfezionato di comando dell'attuatore di una valvola di regolazione della portata.Info
- Publication number
- IT1251941B IT1251941B ITMI912746A ITMI912746A IT1251941B IT 1251941 B IT1251941 B IT 1251941B IT MI912746 A ITMI912746 A IT MI912746A IT MI912746 A ITMI912746 A IT MI912746A IT 1251941 B IT1251941 B IT 1251941B
- Authority
- IT
- Italy
- Prior art keywords
- valve
- symbol
- control system
- actuator control
- regulation valve
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/06—Control of flow characterised by the use of electric means
- G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
- G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
- G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Flow Control (AREA)
- Measuring Volume Flow (AREA)
- Control Of Fluid Pressure (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Sistema di comando dell'attuatore di una valvola di regolazione della portata in cui la differenza misurata di pressione (SIMBOLO)p ai capi della valvola ed il valore QS di portata richiesta o di set vengono inviati in un blocco funzionale che realizza la relazione V(SIMBOLO)po.Qs/V(SIMBOLO)p = Cvs, ove (SIMBOLO)po è la caduta di pressione costante imposta ai capi della valvola per determinarne la curva caratteristica Cv in funzione delle diverse posizioni dell'otturatore della valvola stessa, detto valore di Cvs essendo inviato in un altro blocco funzionale che lo traduce in un valore di posizione del detto otturatore secondo la detta curva caratteristica, col quale comandare il detto attuatore della valvola.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI912746A IT1251941B (it) | 1991-10-17 | 1991-10-17 | Sistema perfezionato di comando dell'attuatore di una valvola di regolazione della portata. |
DE69206955T DE69206955T2 (de) | 1991-10-17 | 1992-10-13 | Steuerung des Stellgliedes eines Durchflussventiles mittels seiner Durchfluss-Kennlinie |
EP92203140A EP0540079B1 (en) | 1991-10-17 | 1992-10-13 | Actuator control of a flow control valve by its characteristic curve |
NO92923982A NO923982L (no) | 1991-10-17 | 1992-10-14 | Anordning for innstilling av styreorganet i en stroemningsregulerende ventil |
FI924660A FI924660A (fi) | 1991-10-17 | 1992-10-14 | Foerbaettrat system foer kontrollering av ett drivdon av en stroereglerventil |
JP4304865A JPH07210253A (ja) | 1991-10-17 | 1992-10-16 | 流量制御弁のアクチュエータを制御するシステム |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI912746A IT1251941B (it) | 1991-10-17 | 1991-10-17 | Sistema perfezionato di comando dell'attuatore di una valvola di regolazione della portata. |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI912746A0 ITMI912746A0 (it) | 1991-10-17 |
ITMI912746A1 ITMI912746A1 (it) | 1993-04-17 |
IT1251941B true IT1251941B (it) | 1995-05-27 |
Family
ID=11360884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI912746A IT1251941B (it) | 1991-10-17 | 1991-10-17 | Sistema perfezionato di comando dell'attuatore di una valvola di regolazione della portata. |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0540079B1 (it) |
JP (1) | JPH07210253A (it) |
DE (1) | DE69206955T2 (it) |
FI (1) | FI924660A (it) |
IT (1) | IT1251941B (it) |
NO (1) | NO923982L (it) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0858018A1 (de) * | 1997-02-06 | 1998-08-12 | Georg Fischer Rohrleitungssysteme AG | Verfahren und Vorrichtung zur Durchflussregelung von Flüssigkeiten |
GB9804047D0 (en) | 1998-02-27 | 1998-04-22 | Normalair Garrett Ltd | Method of controlling a parameter |
US7096093B1 (en) * | 2000-02-14 | 2006-08-22 | Invensys Systems, Inc. | Intelligent valve flow linearization |
JP2006268426A (ja) * | 2005-03-24 | 2006-10-05 | Ebara Corp | 流量制御装置及び方法 |
FI120472B (fi) | 2006-06-06 | 2009-10-30 | Metso Automation Oy | Ohjausmenetelmä ja ohjausjärjestelmä virtausta säätävää venttiiliä varten |
US11022985B2 (en) | 2011-12-16 | 2021-06-01 | Fluid Handling Llc | Discrete valve flow rate converter |
US9715237B2 (en) | 2013-08-26 | 2017-07-25 | Spraying Systems Co. | Flow-control valve system and method |
EP2975308A1 (de) * | 2014-07-18 | 2016-01-20 | Möhlenhoff GmbH | Anordnung für ein Ventil |
US9995098B2 (en) | 2014-10-08 | 2018-06-12 | Weatherford Technology Holdings, Llc | Choke control tuned by flow coefficient for controlled pressure drilling |
RU2721453C2 (ru) * | 2014-12-15 | 2020-05-19 | Флюид Хэндлинг ЭлЭлСи | Преобразователь расхода дискретного клапана |
PT108396A (pt) | 2015-04-22 | 2015-12-29 | Acail Gas Sa | Equipamento para controlo, medição e comunicação de uma grandeza física de contentor que contenha um fluido sob pressão |
US10107052B2 (en) | 2016-02-05 | 2018-10-23 | Weatherford Technology Holdings, Llc | Control of hydraulic power flowrate for managed pressure drilling |
US10227838B2 (en) | 2016-05-10 | 2019-03-12 | Weatherford Technology Holdings, Llc | Drilling system and method having flow measurement choke |
DE102017119069A1 (de) * | 2017-08-21 | 2019-02-21 | Krones Ag | Verfahren zum Befüllen von Behältern mit einem Füllprodukt |
US11702896B2 (en) | 2021-03-05 | 2023-07-18 | Weatherford Technology Holdings, Llc | Flow measurement apparatus and associated systems and methods |
US11661805B2 (en) | 2021-08-02 | 2023-05-30 | Weatherford Technology Holdings, Llc | Real time flow rate and rheology measurement |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH638279A5 (en) * | 1979-05-31 | 1983-09-15 | Contraves Ag | Arrangement for linear electrohydraulic command control |
US4277832A (en) * | 1979-10-01 | 1981-07-07 | General Electric Company | Fluid flow control system |
GB2123983B (en) * | 1982-07-15 | 1986-01-08 | Delta Technical Services Ltd | Pressure controllers |
DE3700898A1 (de) * | 1987-01-14 | 1988-07-28 | Herion Werke Kg | Mengenregelventil |
DE3931962A1 (de) * | 1989-09-25 | 1991-04-04 | Rexroth Mannesmann Gmbh | Ansteuerelektronik fuer ein elektrisch verstellbares stellglied |
US5251148A (en) * | 1990-06-01 | 1993-10-05 | Valtek, Inc. | Integrated process control valve |
DE4019503A1 (de) * | 1990-06-19 | 1992-01-02 | Heimeier Gmbh Metall Theodor | Einrichtung zur steuerung des stellventiles einer zentralheizungsanlage |
-
1991
- 1991-10-17 IT ITMI912746A patent/IT1251941B/it active IP Right Grant
-
1992
- 1992-10-13 EP EP92203140A patent/EP0540079B1/en not_active Expired - Lifetime
- 1992-10-13 DE DE69206955T patent/DE69206955T2/de not_active Expired - Fee Related
- 1992-10-14 NO NO92923982A patent/NO923982L/no unknown
- 1992-10-14 FI FI924660A patent/FI924660A/fi unknown
- 1992-10-16 JP JP4304865A patent/JPH07210253A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
ITMI912746A0 (it) | 1991-10-17 |
NO923982L (no) | 1993-04-19 |
JPH07210253A (ja) | 1995-08-11 |
FI924660A (fi) | 1993-04-18 |
DE69206955D1 (de) | 1996-02-01 |
EP0540079B1 (en) | 1995-12-20 |
FI924660A0 (fi) | 1992-10-14 |
DE69206955T2 (de) | 1996-05-30 |
NO923982D0 (no) | 1992-10-14 |
ITMI912746A1 (it) | 1993-04-17 |
EP0540079A1 (en) | 1993-05-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19971029 |