EP2220374B1 - Pompe centrifuge avec capteur de débit - Google Patents

Pompe centrifuge avec capteur de débit Download PDF

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Publication number
EP2220374B1
EP2220374B1 EP08863111A EP08863111A EP2220374B1 EP 2220374 B1 EP2220374 B1 EP 2220374B1 EP 08863111 A EP08863111 A EP 08863111A EP 08863111 A EP08863111 A EP 08863111A EP 2220374 B1 EP2220374 B1 EP 2220374B1
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EP
European Patent Office
Prior art keywords
channel
sensor
centrifugal pump
flow
pump according
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.)
Active
Application number
EP08863111A
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German (de)
English (en)
Other versions
EP2220374A1 (fr
Inventor
Thomas Kettner
Edgar Budzynski
Edgar GROßE WESTHOFF
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wilo SE
Original Assignee
Wilo SE
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40469833&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2220374(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Wilo SE filed Critical Wilo SE
Publication of EP2220374A1 publication Critical patent/EP2220374A1/fr
Application granted granted Critical
Publication of EP2220374B1 publication Critical patent/EP2220374B1/fr
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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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid 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
    • F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
    • F04D15/0218—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid the condition being a liquid level or a lack of liquid supply
    • F04D15/0227—Lack of liquid level being detected using a flow transducer

Claims (15)

  1. Pompe centrifuge comprenant une tubulure d'aspiration et une tubulure de refoulement (3, 5) et un capteur de débit (11) qui mesure le débit volumique, caractérisée en ce que le capteur de débit (11) a une fixation amovible dans la paroi (7) de la tubulure d'aspiration ou de refoulement (3, 5) et pénètre par une partie sensitive (12) du courant de fluide dans le canal de tubulure (4), et le canal (4) dans la tubulure d'aspiration ou de refoulement est sans cintrage dans la direction d'écoulement dans la zone du capteur (11).
  2. Pompe centrifuge suivant la revendication 1, caractérisée en ce que le canal (4) présente une section transversale constante dans la zone du capteur (11).
  3. Pompe centrifuge suivant l'une des revendications précédentes, caractérisée en ce que le capteur est un capteur de débit à vortex.
  4. Pompe centrifuge suivant l'une des revendications précédentes, caractérisée en ce que la partie sensitive (12) présente une ailette de détection.
  5. Pompe centrifuge suivant l'une des revendications précédentes, caractérisée en ce qu'un corps de retenue (15) est disposé dans le canal (4) en amont de la partie sensitive (12) dans la direction d'écoulement, lequel corps est fixé sur le support (10) du capteur de débit.
  6. Pompe centrifuge suivant l'une des revendications précédentes, caractérisée en ce que le support (10) du capteur de débit forme un corps cylindrique, qui s'insère dans un creux cylindrique (9) de la paroi de tubulure (7).
  7. Pompe centrifuge suivant l'une des revendications précédentes, caractérisée en ce que le support (10) du détecteur de débit (11) reçoit l'électronique de détection.
  8. Pompe centrifuge suivant l'une des revendications précédentes, caractérisée en ce que, dans la zone du capteur (11), la section transversale du canal de la tubulure d'aspiration ou de refoulement (3, 5) est essentiellement circulaire, ovale, elliptique ou rectangulaire avec des angles arrondis.
  9. Pompe centrifuge suivant l'une des revendications précédentes, caractérisée en ce que la section transversale du canal de la tubulure de refoulement ou d'aspiration (3, 5) présente un rétrécissement dans la zone du capteur (11).
  10. Pompe centrifuge suivant l'une des revendications précédentes, caractérisée en ce que, pour l'homogénéisation de l'écoulement dans le canal (4) de la tubulure d'aspiration ou de refoulement (3, 5), une grille (6), des lamelles ou au moins une lame sont disposées et orientées dans la direction d'écoulement en amont et/ou en aval du capteur (11).
  11. Pompe centrifuge suivant la revendication 10, caractérisée en ce qu'une grille (6), des lamelles ou au moins une lame sont disposées à l'endroit du débouché du canal de tubulure (4) dans le compartiment de pompe.
  12. Pompe centrifuge suivant l'une des revendications précédentes, caractérisée en ce que le capteur de débit (11) est disposé dans la paroi (7) de la tubulure d'aspiration (3).
  13. Pompe centrifuge suivant l'une des revendications précédentes, caractérisée en ce que la zone du canal (4c) sans cintrage présente une longueur, qui correspond à 20 à 50% de la longueur totale du canal d'aspiration (4).
  14. Pompe centrifuge suivant la revendication 13, caractérisée en ce que la zone du canal (4c) sans cintrage présente une longueur, qui correspond à 30 à 40% de la longueur totale du canal d'aspiration (4).
  15. Pompe centrifuge suivant l'une des revendications précédentes, caractérisée en ce que la zone du canal (4d) entre l'extrémité de la zone de canal rectiligne (4c) et l'extrémité du canal (4b), débouchant dans le compartiment de pompe, présente une longueur qui correspond à 30 à 50% de la longueur totale du canal d'aspiration (4).
EP08863111A 2007-12-18 2008-12-17 Pompe centrifuge avec capteur de débit Active EP2220374B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007061559A DE102007061559A1 (de) 2007-12-18 2007-12-18 Kreiselpumpe mit Durchflusssensor
PCT/EP2008/010733 WO2009077166A1 (fr) 2007-12-18 2008-12-17 Pompe centrifuge avec capteur de débit

Publications (2)

Publication Number Publication Date
EP2220374A1 EP2220374A1 (fr) 2010-08-25
EP2220374B1 true EP2220374B1 (fr) 2011-03-23

Family

ID=40469833

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08863111A Active EP2220374B1 (fr) 2007-12-18 2008-12-17 Pompe centrifuge avec capteur de débit

Country Status (4)

Country Link
EP (1) EP2220374B1 (fr)
AT (1) ATE503114T1 (fr)
DE (2) DE102007061559A1 (fr)
WO (1) WO2009077166A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210290873A1 (en) * 2009-08-11 2021-09-23 Resmed Motor Technologies Inc. Single stage, axial symmetric blower and portable ventilator

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE511606T1 (de) † 2008-10-01 2011-06-15 Grundfos Management As Kreiselpumpenaggregat
DE102021110755A1 (de) 2021-04-27 2022-10-27 Prominent Gmbh Verfahren zur Aufnahme von Dosierprofilen

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4437349A (en) * 1982-09-16 1984-03-20 Ford Motor Company Vortex flow meter frequency adjustment
US5129264A (en) 1990-12-07 1992-07-14 Goulds Pumps, Incorporated Centrifugal pump with flow measurement
DE9317856U1 (de) * 1993-11-16 1994-01-20 Schroeder Wolfgang Kreiselpumpe mit Strömungsleitblechen
JPH10142017A (ja) * 1996-11-11 1998-05-29 Saginomiya Seisakusho Inc カルマン渦流量計
DE19647967B4 (de) * 1996-11-20 2005-10-27 Wilo Ag Pumpe mit Druckdifferenzsensor
US6752027B1 (en) 1999-04-06 2004-06-22 The Foxboro Company Vortex flowmeter including removeable and replaceable flow-obstruction element
DE10249543A1 (de) * 2002-10-23 2004-05-06 Endress + Hauser Flowtec Ag, Reinach Wirbelströmungsaufnehmer
DE10249129A1 (de) * 2002-10-22 2004-06-03 Wilo Ag Pumpe mit Sensor im Pumpengehäuse
US7073394B2 (en) * 2004-04-05 2006-07-11 Rosemount Inc. Scalable averaging insertion vortex flow meter
DE102004037467A1 (de) * 2004-07-30 2006-02-16 Abb Patent Gmbh Wirbeldurchflussmesseinrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210290873A1 (en) * 2009-08-11 2021-09-23 Resmed Motor Technologies Inc. Single stage, axial symmetric blower and portable ventilator

Also Published As

Publication number Publication date
EP2220374A1 (fr) 2010-08-25
DE502008002985D1 (de) 2011-05-05
WO2009077166A1 (fr) 2009-06-25
DE102007061559A1 (de) 2009-06-25
ATE503114T1 (de) 2011-04-15

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