NL7304680A - - Google Patents

Info

Publication number
NL7304680A
NL7304680A NL7304680A NL7304680A NL7304680A NL 7304680 A NL7304680 A NL 7304680A NL 7304680 A NL7304680 A NL 7304680A NL 7304680 A NL7304680 A NL 7304680A NL 7304680 A NL7304680 A NL 7304680A
Authority
NL
Netherlands
Application number
NL7304680A
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 filed Critical
Publication of NL7304680A publication Critical patent/NL7304680A/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
    • G01P5/245—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves
    • G01P5/247—Sing-around-systems
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Measuring Volume Flow (AREA)
NL7304680A 1972-04-04 1973-04-04 NL7304680A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1555472A GB1422791A (en) 1972-04-04 1972-04-04 Apparatus for indicating fluid flow velocity

Publications (1)

Publication Number Publication Date
NL7304680A true NL7304680A (enrdf_load_stackoverflow) 1973-10-08

Family

ID=10061214

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7304680A NL7304680A (enrdf_load_stackoverflow) 1972-04-04 1973-04-04

Country Status (4)

Country Link
DE (1) DE2316437C2 (enrdf_load_stackoverflow)
FR (1) FR2179060B1 (enrdf_load_stackoverflow)
GB (1) GB1422791A (enrdf_load_stackoverflow)
NL (1) NL7304680A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1495389A (en) * 1974-01-31 1977-12-14 Atomic Energy Authority Uk Apparatus for providing time reference signals
DE2517117A1 (de) * 1975-04-18 1976-10-28 Standard Elektrik Lorenz Ag Anordnung zum bestimmen der stroemungsgeschwindigkeit von fluessigkeiten und gasen
GB1602185A (en) * 1977-06-03 1981-11-11 Standard Telephones Cables Ltd Measuring fluid flow
US4685093A (en) * 1985-04-03 1987-08-04 Brookes & Gatehouse Limited Speed measurement device
CN110160505B (zh) * 2019-05-17 2024-08-16 张学科 一种电压甄别型水文缆道测验信号器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2826912A (en) * 1948-12-27 1958-03-18 Kritz Jack Acoustic velocity measuring system
US3420102A (en) * 1966-12-15 1969-01-07 Lockheed Aircraft Corp Acoustic fluid metering device
US3625057A (en) * 1967-11-01 1971-12-07 Mitsubishi Electric Corp Ultrasonic flowmeter
FR95411E (fr) * 1968-02-26 1970-11-06 Realisations Ultrasoniques Sa Débitmetre a ultra-sons.
GB1285175A (en) * 1968-10-04 1972-08-09 Atomic Energy Authority Uk Improvements in or relating to apparatus for measuring the flow velocity of fluids
US3720105A (en) * 1971-03-24 1973-03-13 Nusonics Acoustic flowmeter

Also Published As

Publication number Publication date
DE2316437A1 (de) 1973-10-11
DE2316437C2 (de) 1985-03-21
FR2179060A1 (enrdf_load_stackoverflow) 1973-11-16
FR2179060B1 (enrdf_load_stackoverflow) 1976-11-05
GB1422791A (en) 1976-01-28

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed