(19)
(11) EP 3 822 489 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
27.03.2024 Bulletin 2024/13

(45) Mention of the grant of the patent:
18.10.2023 Bulletin 2023/42

(21) Application number: 19209453.0

(22) Date of filing: 15.11.2019
(51) International Patent Classification (IPC): 
F04D 15/00(2006.01)
F04D 13/06(2006.01)
 F04D 1/00(2006.01)
(52) Cooperative Patent Classification (CPC):
F04D 15/0088; F04D 1/00; F04D 13/06; F05D 2270/71; F05D 2270/709; F05D 2270/304; F05D 2270/335; F05D 2270/3061

(54)

METHOD FOR DETERMINING A FLUID FLOW RATE THROUGH A PUMP

VERFAHREN ZUR BESTIMMUNG EINER FLUID-DURCHFLUSSRATE DURCH EINE PUMPE

PROCÉDÉ POUR DÉTERMINER UN DÉBIT DE FLUIDE À TRAVERS UNE POMPE

(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(43) Date of publication of application:
19.05.2021 Bulletin 2021/20

(73) Proprietor: Grundfos Holding A/S
8850 Bjerringbro (DK)

(72) Inventors:
  • ELVEKJÆR, Peter
    8850 Bjerringbro (DK)
  • DAMGAARD, Jesper Thørring
    8850 Bjerringbro (DK)
  • CHRISTENSEN, Carsten
    8850 Bjerringbro (DK)

(74) Representative: Guardian IP Consulting I/S 
Diplomvej, Building 381
2800 Kgs. Lyngby
2800 Kgs. Lyngby (DK)


(56) References cited: : 
US-A1- 2004 039 243
US-A1- 2017 037 857
 US-A1- 2008 306 892
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).