GB2022255B - Acoustic measuring instruments eg flowmeters - Google Patents

Acoustic measuring instruments eg flowmeters

Info

Publication number
GB2022255B
GB2022255B GB7916844A GB7916844A GB2022255B GB 2022255 B GB2022255 B GB 2022255B GB 7916844 A GB7916844 A GB 7916844A GB 7916844 A GB7916844 A GB 7916844A GB 2022255 B GB2022255 B GB 2022255B
Authority
GB
United Kingdom
Prior art keywords
flowmeters
measuring instruments
acoustic measuring
acoustic
instruments
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
GB7916844A
Other versions
GB2022255A (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.)
Fuji Electric Co Ltd
Ultrasonic Engineering Co Ltd
Original Assignee
Fuji Electric Co Ltd
Ultrasonic Engineering Co Ltd
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
Priority claimed from JP53057822A external-priority patent/JPS5914171B2/en
Priority claimed from JP53057823A external-priority patent/JPS5914172B2/en
Application filed by Fuji Electric Co Ltd, Ultrasonic Engineering Co Ltd filed Critical Fuji Electric Co Ltd
Publication of GB2022255A publication Critical patent/GB2022255A/en
Application granted granted Critical
Publication of GB2022255B publication Critical patent/GB2022255B/en
Expired legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
GB7916844A 1978-05-16 1979-05-15 Acoustic measuring instruments eg flowmeters Expired GB2022255B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP53057822A JPS5914171B2 (en) 1978-05-16 1978-05-16 Ultrasonic measuring device
JP53057823A JPS5914172B2 (en) 1978-05-16 1978-05-16 Ultrasonic measuring device

Publications (2)

Publication Number Publication Date
GB2022255A GB2022255A (en) 1979-12-12
GB2022255B true GB2022255B (en) 1982-09-15

Family

ID=26398907

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7916844A Expired GB2022255B (en) 1978-05-16 1979-05-15 Acoustic measuring instruments eg flowmeters

Country Status (5)

Country Link
DE (1) DE2920176A1 (en)
DK (1) DK200679A (en)
FR (1) FR2426246A1 (en)
GB (1) GB2022255B (en)
NL (1) NL7903822A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4452090A (en) * 1982-05-17 1984-06-05 Airco, Inc. Ultrasonic flowmeter
EP0407676B1 (en) * 1989-07-14 1994-04-27 Haiges Elektronik Gmbh Method for measuring the time differences among the ultrasound signals belonging to a group, and apparatus for carrying out the method
DE4114233C2 (en) * 1991-04-26 1996-05-02 Flexim Flexible Industriemeste Arrangement for ultrasonic flow measurement
US6766276B1 (en) * 1999-12-29 2004-07-20 Actaris S.A.S. Method and device for detecting a dysfunction of an ulatrasonic flowmeter
EP2383550A1 (en) * 2010-04-28 2011-11-02 Miitors ApS Ultrasonic flow meter
DE102013013927A1 (en) * 2013-08-21 2015-02-26 Acam-Messelectronic Gmbh Method and device for measuring the flow rate of a liquid by means of ultrasound
CN107607168B (en) * 2017-07-25 2021-04-09 辽宁航宇星物联仪表科技有限公司 Household ultrasonic water meter self-adaption method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3569827A (en) * 1965-11-16 1971-03-09 Nasa Apparatus for detecting the amount of material in a resonant cavity container
US3894431A (en) * 1972-04-04 1975-07-15 Atomic Energy Authority Uk Apparatus for indicating fluid flow velocity
US3818757A (en) * 1972-05-05 1974-06-25 Saratoga Sys Inc Dual path ultrasonic fluid flow metering system and method
US4080574A (en) * 1974-01-31 1978-03-21 United Kingdom Atomic Energy Authority Apparatus for providing time reference signals
JPS5310454A (en) * 1976-07-16 1978-01-30 Nippon Kokan Kk Apparatus for detecting change of fluid character by singgaround method
DE2641771A1 (en) * 1976-09-14 1978-03-16 Fuji Electric Co Ltd Time difference measuring device - compares measured time difference and reference value for ultrasonic velocimeter
DE2641772A1 (en) * 1976-09-14 1978-03-16 Fuji Electric Co Ltd Throughflow or current measuring instrument - has time-difference measuring instrument detecting oscillator pulses and further pulses
JPS5829854B2 (en) * 1977-07-26 1983-06-25 富士電機株式会社 Ultrasonic measuring device

Also Published As

Publication number Publication date
GB2022255A (en) 1979-12-12
DE2920176A1 (en) 1979-11-22
NL7903822A (en) 1979-11-20
FR2426246A1 (en) 1979-12-14
DK200679A (en) 1979-11-17

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Legal Events

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