EP4508331C0 - METHOD FOR CONTROLLING A CIRCULATION PUMP - Google Patents

METHOD FOR CONTROLLING A CIRCULATION PUMP

Info

Publication number
EP4508331C0
EP4508331C0 EP24720117.1A EP24720117A EP4508331C0 EP 4508331 C0 EP4508331 C0 EP 4508331C0 EP 24720117 A EP24720117 A EP 24720117A EP 4508331 C0 EP4508331 C0 EP 4508331C0
Authority
EP
European Patent Office
Prior art keywords
controlling
circulation pump
circulation
pump
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
EP24720117.1A
Other languages
German (de)
French (fr)
Other versions
EP4508331A1 (en
EP4508331B1 (en
Inventor
Erik Baasch Sørensen
Christian Blad
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.)
Grundfos Holdings AS
Original Assignee
Grundfos Holdings AS
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
Application filed by Grundfos Holdings AS filed Critical Grundfos Holdings AS
Publication of EP4508331A1 publication Critical patent/EP4508331A1/en
Application granted granted Critical
Publication of EP4508331C0 publication Critical patent/EP4508331C0/en
Publication of EP4508331B1 publication Critical patent/EP4508331B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
    • F04B49/225—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves with throttling valves or valves varying the pump inlet opening or the outlet opening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/20—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by changing the driving speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/08—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the rotational speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/10—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
    • 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
    • F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Feedback Control In General (AREA)
EP24720117.1A 2023-06-30 2024-04-16 Method for controlling a circulation pump Active EP4508331B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA202370348 2023-06-30
PCT/EP2024/060246 WO2025002619A1 (en) 2023-06-30 2024-04-16 Method for controlling a circulation pump

Publications (3)

Publication Number Publication Date
EP4508331A1 EP4508331A1 (en) 2025-02-19
EP4508331C0 true EP4508331C0 (en) 2025-06-25
EP4508331B1 EP4508331B1 (en) 2025-06-25

Family

ID=90810655

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24720117.1A Active EP4508331B1 (en) 2023-06-30 2024-04-16 Method for controlling a circulation pump

Country Status (4)

Country Link
EP (1) EP4508331B1 (en)
CN (1) CN119546855A (en)
PL (1) PL4508331T3 (en)
WO (1) WO2025002619A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19504232A1 (en) 1995-02-09 1996-08-22 Grundfos As Method for limiting the performance of electrically driven heating circulation pumps
DE10163987A1 (en) 2001-12-24 2003-07-10 Grundfos As Method for controlling a variable speed heating circulation pump
DE102017203474A1 (en) * 2017-03-03 2018-09-06 KSB SE & Co. KGaA Method for controlling a variable-speed circulating pump and circulating pump
EP4123094A1 (en) * 2018-09-10 2023-01-25 Artemis Intelligent Power Limited Industrial machine with hydraulic pump/motor controller
SE546020C2 (en) * 2021-10-09 2024-04-16 Spm Instr Ab System and method for monitoring an internal state of a centrifugal pump

Also Published As

Publication number Publication date
PL4508331T3 (en) 2025-10-27
EP4508331A1 (en) 2025-02-19
EP4508331B1 (en) 2025-06-25
CN119546855A (en) 2025-02-28
WO2025002619A1 (en) 2025-01-02

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