NL7909020A - Stroommeter en werkwijze voor het meten van een stroom in een leiding. - Google Patents

Stroommeter en werkwijze voor het meten van een stroom in een leiding. Download PDF

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Publication number
NL7909020A
NL7909020A NL7909020A NL7909020A NL7909020A NL 7909020 A NL7909020 A NL 7909020A NL 7909020 A NL7909020 A NL 7909020A NL 7909020 A NL7909020 A NL 7909020A NL 7909020 A NL7909020 A NL 7909020A
Authority
NL
Netherlands
Prior art keywords
sound
fluid
transducer
transmission
path
Prior art date
Application number
NL7909020A
Other languages
English (en)
Dutch (nl)
Original Assignee
Foxboro Co
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 Foxboro Co filed Critical Foxboro Co
Publication of NL7909020A publication Critical patent/NL7909020A/nl

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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
    • G01F1/668—Compensating or correcting for variations in velocity of sound

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
NL7909020A 1978-12-18 1979-12-14 Stroommeter en werkwijze voor het meten van een stroom in een leiding. NL7909020A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/970,675 US4195517A (en) 1978-12-18 1978-12-18 Ultrasonic flowmeter
US97067578 1978-12-18

Publications (1)

Publication Number Publication Date
NL7909020A true NL7909020A (nl) 1980-06-20

Family

ID=25517304

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7909020A NL7909020A (nl) 1978-12-18 1979-12-14 Stroommeter en werkwijze voor het meten van een stroom in een leiding.

Country Status (12)

Country Link
US (1) US4195517A (de)
JP (1) JPS5593018A (de)
AR (1) AR219845A1 (de)
CA (1) CA1123088A (de)
DE (1) DE2950732C2 (de)
FI (1) FI793951A (de)
FR (1) FR2444929A1 (de)
GB (1) GB2037986B (de)
IT (1) IT1164099B (de)
NL (1) NL7909020A (de)
NO (1) NO794111L (de)
SE (1) SE445261B (de)

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KR102026362B1 (ko) * 2018-08-01 2019-09-27 서울대학교산학협력단 Meta slab을 적용한 유속 측정용 초음파 트랜스듀서
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Also Published As

Publication number Publication date
NO794111L (no) 1980-06-19
IT1164099B (it) 1987-04-08
FI793951A (fi) 1980-06-19
AR219845A1 (es) 1980-09-15
DE2950732C2 (de) 1985-12-12
FR2444929A1 (fr) 1980-07-18
GB2037986B (en) 1982-12-22
IT7951102A0 (it) 1979-12-17
DE2950732A1 (de) 1980-07-10
JPS5593018A (en) 1980-07-15
SE7910386L (sv) 1980-08-06
SE445261B (sv) 1986-06-09
GB2037986A (en) 1980-07-16
CA1123088A (en) 1982-05-04
US4195517A (en) 1980-04-01
FR2444929B1 (de) 1983-12-16

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