PL3899441T3 - Przepływomierz ultradźwiękowy z przełączalnymi przetwornikami - Google Patents
Przepływomierz ultradźwiękowy z przełączalnymi przetwornikamiInfo
- 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
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)
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) | EP3899441B1 (pl) |
PL (1) | PL3899441T3 (pl) |
WO (1) | WO2020125878A1 (pl) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1843135A1 (en) | 1996-12-05 | 2007-10-10 | Kamstrup A/S | A flow meter, a method of measuring a flow and a method of 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 |
PL2343515T3 (pl) * | 2010-01-11 | 2021-05-04 | Kamstrup A/S | Przepływomierz ze zmiennymi warunkami roboczymi |
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 |
-
2018
- 2018-12-20 EP EP18833836.2A patent/EP3899441B1/en active Active
- 2018-12-20 WO PCT/DK2018/050418 patent/WO2020125878A1/en unknown
- 2018-12-20 PL PL18833836.2T patent/PL3899441T3/pl unknown
- 2018-12-20 EP EP23209438.3A patent/EP4296631A3/en active Pending
Also Published As
Publication number | Publication date |
---|---|
EP3899441B1 (en) | 2023-11-15 |
EP3899441A1 (en) | 2021-10-27 |
EP4296631A2 (en) | 2023-12-27 |
EP4296631A3 (en) | 2024-04-03 |
WO2020125878A1 (en) | 2020-06-25 |
EP3899441C0 (en) | 2023-11-15 |
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