GB1422791A - Apparatus for indicating fluid flow velocity - Google Patents

Apparatus for indicating fluid flow velocity

Info

Publication number
GB1422791A
GB1422791A GB1555472A GB1555472A GB1422791A GB 1422791 A GB1422791 A GB 1422791A GB 1555472 A GB1555472 A GB 1555472A GB 1555472 A GB1555472 A GB 1555472A GB 1422791 A GB1422791 A GB 1422791A
Authority
GB
United Kingdom
Prior art keywords
pulse
vfo
frequency
oscillator
nth
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.)
Expired
Application number
GB1555472A
Other languages
English (en)
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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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 UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Priority to GB1555472A priority Critical patent/GB1422791A/en
Priority to DE19732316437 priority patent/DE2316437C2/de
Priority to FR7311988A priority patent/FR2179060B1/fr
Priority to NL7304680A priority patent/NL7304680A/xx
Priority to US440163A priority patent/US3894431A/en
Publication of GB1422791A publication Critical patent/GB1422791A/en
Expired legal-status Critical Current

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)
GB1555472A 1972-04-04 1972-04-04 Apparatus for indicating fluid flow velocity Expired GB1422791A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB1555472A GB1422791A (en) 1972-04-04 1972-04-04 Apparatus for indicating fluid flow velocity
DE19732316437 DE2316437C2 (de) 1972-04-04 1973-04-02 Gerät zum Messen der Geschwindigkeit oder einer Geschwindigkeitskomponente der Strömung eines Strömungsmittels
FR7311988A FR2179060B1 (enrdf_load_stackoverflow) 1972-04-04 1973-04-03
NL7304680A NL7304680A (enrdf_load_stackoverflow) 1972-04-04 1973-04-04
US440163A US3894431A (en) 1972-04-04 1974-02-06 Apparatus for indicating fluid flow velocity

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
GB1422791A true GB1422791A (en) 1976-01-28

Family

ID=10061214

Family Applications (1)

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

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4685093A (en) * 1985-04-03 1987-08-04 Brookes & Gatehouse Limited Speed measurement device

Families Citing this family (4)

* 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4685093A (en) * 1985-04-03 1987-08-04 Brookes & Gatehouse Limited Speed measurement device

Also Published As

Publication number Publication date
DE2316437A1 (de) 1973-10-11
DE2316437C2 (de) 1985-03-21
FR2179060A1 (enrdf_load_stackoverflow) 1973-11-16
NL7304680A (enrdf_load_stackoverflow) 1973-10-08
FR2179060B1 (enrdf_load_stackoverflow) 1976-11-05

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee