PL3899441T3 - Przepływomierz ultradźwiękowy z przełączalnymi przetwornikami - Google Patents

Przepływomierz ultradźwiękowy z przełączalnymi przetwornikami

Info

Publication number
PL3899441T3
PL3899441T3 PL18833836.2T PL18833836T PL3899441T3 PL 3899441 T3 PL3899441 T3 PL 3899441T3 PL 18833836 T PL18833836 T PL 18833836T PL 3899441 T3 PL3899441 T3 PL 3899441T3
Authority
PL
Poland
Prior art keywords
switchable
transducers
flow meter
ultrasonic flow
ultrasonic
Prior art date
Application number
PL18833836.2T
Other languages
English (en)
Inventor
Jens Drachmann
Kresten HELSTRUP
Original Assignee
Apator Miitors Aps
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 Apator Miitors Aps filed Critical Apator Miitors Aps
Publication of PL3899441T3 publication Critical patent/PL3899441T3/pl

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0023—Measuring currents or voltages from sources with high internal resistance by means of measuring circuits with high input impedance, e.g. OP-amplifiers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Measuring Volume Flow (AREA)
PL18833836.2T 2018-12-20 2018-12-20 Przepływomierz ultradźwiękowy z przełączalnymi przetwornikami PL3899441T3 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DK2018/050418 WO2020125878A1 (en) 2018-12-20 2018-12-20 Ultrasonic flow meter with switchable transducers

Publications (1)

Publication Number Publication Date
PL3899441T3 true PL3899441T3 (pl) 2024-03-18

Family

ID=65023630

Family Applications (1)

Application Number Title Priority Date Filing Date
PL18833836.2T PL3899441T3 (pl) 2018-12-20 2018-12-20 Przepływomierz ultradźwiękowy z przełączalnymi przetwornikami

Country Status (3)

Country Link
EP (2) EP4296631B1 (pl)
PL (1) PL3899441T3 (pl)
WO (1) WO2020125878A1 (pl)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK0846936T4 (en) 1996-12-05 2015-10-12 Kamstrup As A flow meter and method for operating a flow meter
DK200101581A (da) 2001-10-26 2003-04-27 Danfoss As Transceiverkredsløb til ultralydsflowmåler
US6925891B2 (en) * 2002-04-30 2005-08-09 Matsushita Electric Industrial Co., Ltd. Ultrasonic flowmeter and method of measuring flow volume
DE102004026556B3 (de) * 2004-05-27 2006-01-12 Krohne Ag Sende- und Empfangsschaltung für ein Ultraschalldurchflußmeßgerät und Verfahren zum Betreiben einer solchen Sende- und Empfangsschaltung
US7102365B1 (en) * 2005-04-01 2006-09-05 Freescale Semiconductor, Inc. Apparatus for current sensing
EP2343515B1 (en) * 2010-01-11 2020-09-23 Kamstrup A/S Flowmeter with variable operation conditions
EP2383550A1 (en) * 2010-04-28 2011-11-02 Miitors ApS Ultrasonic flow meter
WO2017044657A1 (en) * 2015-09-11 2017-03-16 Flir Systems, Inc. Automatic bias controller for a pulsed power amplifier

Also Published As

Publication number Publication date
EP4296631C0 (en) 2026-06-17
EP4296631A2 (en) 2023-12-27
WO2020125878A1 (en) 2020-06-25
EP3899441A1 (en) 2021-10-27
EP4296631A3 (en) 2024-04-03
EP3899441B1 (en) 2023-11-15
EP4296631B1 (en) 2026-06-17
EP3899441C0 (en) 2023-11-15

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