(19)
(11) EP 4 317 689 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
10.04.2024 Bulletin 2024/15

(43) Date of publication A2:
07.02.2024 Bulletin 2024/06

(21) Application number: 23217933.3

(22) Date of filing: 30.06.2020
(51) International Patent Classification (IPC): 
F04B 13/00(2006.01)
F04B 49/06(2006.01)
 F04B 23/02(2006.01)
F04B 49/10(2006.01)
(52) Cooperative Patent Classification (CPC):
F04B 13/00; F04B 23/025; F04B 49/065; F04B 49/106; F04B 2205/09; F04B 2207/70; F04B 2207/703
(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

(62) Application number of the earlier application in accordance with Art. 76 EPC:
20183133.6 / 3933194

(71) Applicant: Grundfos Holding A/S
8850 Bjerringbro (DK)

(72) Inventors:
  • Schmitz, Rainer
    40699 Erkrath (DE)
  • Kechler, Valeri
    76327 Pfinztal (DK)
  • Müller, Klaus
    76327 Pfinztal (DK)

(74) Representative: Patentanwälte Hemmer Lindfeld Frese Partnerschaft mbB 
Wallstraße 33a
23560 Lübeck
23560 Lübeck (DE)

   


(54) METERING PUMP SYSTEM


(57) The invention refers to a metering pump system comprising at least one metering pump (2) provided for connection to at least one exchangeable liquid container 16 via a suction line 10, and a control device 18, 24 for control of the at least one metering pump (2) wherein the control device 18, 24 is configured such that it records the total volume pumped by the metering pump (2), compares the recorded total volume with a nominal volume of said liquid container 16 and starts an action if the recorded total volume exceeds the nominal volume by more than a predefined threshold, and a method for controlling such metering pump system.







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