HK1008089A1 - Measurement system - Google Patents

Measurement system

Info

Publication number
HK1008089A1
HK1008089A1 HK98107278A HK98107278A HK1008089A1 HK 1008089 A1 HK1008089 A1 HK 1008089A1 HK 98107278 A HK98107278 A HK 98107278A HK 98107278 A HK98107278 A HK 98107278A HK 1008089 A1 HK1008089 A1 HK 1008089A1
Authority
HK
Hong Kong
Prior art keywords
measurement system
transducers
apertures
outlet
measuring tube
Prior art date
Application number
HK98107278A
Other languages
English (en)
Inventor
Michael John Gill
Original Assignee
British Gas Plc
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 British Gas Plc filed Critical British Gas Plc
Publication of HK1008089A1 publication Critical patent/HK1008089A1/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
    • 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
    • G01F1/662—Constructional details
    • 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
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Measuring Volume Flow (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
HK98107278A 1990-10-02 1998-06-27 Measurement system HK1008089A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909021441A GB9021441D0 (en) 1990-10-02 1990-10-02 Measurement system

Publications (1)

Publication Number Publication Date
HK1008089A1 true HK1008089A1 (en) 1999-04-30

Family

ID=10683123

Family Applications (2)

Application Number Title Priority Date Filing Date
HK98107278A HK1008089A1 (en) 1990-10-02 1998-06-27 Measurement system
HK98116381A HK1015172A1 (en) 1990-10-02 1998-12-28 Measurement system

Family Applications After (1)

Application Number Title Priority Date Filing Date
HK98116381A HK1015172A1 (en) 1990-10-02 1998-12-28 Measurement system

Country Status (12)

Country Link
US (1) US5243863A (xx)
EP (3) EP0907069A3 (xx)
JP (1) JPH0760160B2 (xx)
KR (1) KR950002058B1 (xx)
AT (1) ATE227420T1 (xx)
AU (2) AU639144B2 (xx)
CA (1) CA2052462C (xx)
DE (1) DE69133145T2 (xx)
DK (1) DK0708314T3 (xx)
ES (1) ES2186702T3 (xx)
GB (1) GB9021441D0 (xx)
HK (2) HK1008089A1 (xx)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993016357A1 (de) * 1992-02-13 1993-08-19 Siemens Aktiengesellschaft Trichtereinlass und -auslass für ultraschall-gaszähler
DE4224372C2 (de) * 1992-07-23 1995-02-02 Kromschroeder Ag G Ultraschall-Gaszähler
US5247826B1 (en) * 1992-11-12 1995-07-18 Devilbiss Health Care Inc Gas concentration and/or flow sensor
EP0690974A4 (en) * 1993-03-09 1996-05-22 Commw Scient Ind Res Org LIQUID METER DESIGN
GB2276240B (en) * 1993-03-16 1997-01-15 British Gas Plc Fluid flowmeter
IT1272370B (it) * 1993-04-27 1997-06-23 Nuovo Pignone Spa Misuratore-regolatore perfezionato della portata di un fluido
US5458004A (en) * 1993-09-01 1995-10-17 Krohne Messtechnik Gmbh & Co. Kg. Volume flow meter
US5463906A (en) * 1994-01-24 1995-11-07 Triton Technology, Inc. Interchangeable disposable acoustic for use with an ultrasonic flowmeter, particularly during extracorporeal measurement of blood flow
FR2724016B1 (fr) * 1994-08-23 1996-10-25 Schlumberger Ind Sa Dispositif de mesure ultrasonore d'une quantite volumique d'un fluide a proprietes acoustiques ameliorees
DE4441225C2 (de) * 1994-11-19 1996-09-12 Danfoss As Massendurchfluß-Meßgerät
US5969263A (en) * 1995-04-08 1999-10-19 Schlumberger Industries, S.A. Ultrasonic fluid counter for attenuating parasitic ultrasonic waves
JPH0926342A (ja) * 1995-07-13 1997-01-28 Matsushita Electric Ind Co Ltd 超音波振動子及びこれを用いた超音波流量計
US6189389B1 (en) 1996-05-28 2001-02-20 Krohne A.G. Ultrasonic flowmeter
FR2776379B1 (fr) * 1998-03-19 2000-04-28 Schlumberger Ind Sa Compteur de gaz a filtres anti-poussieres
JP4555669B2 (ja) * 2004-03-02 2010-10-06 矢崎総業株式会社 流量計測装置
GB2429061B (en) * 2005-08-13 2009-04-22 Flownetix Ltd A method of construction for a low cost plastic ultrasonic water meter
DE102005046858B3 (de) * 2005-09-29 2007-01-18 Miele & Cie. Kg Vorrichtung zum Messen der Dosiermenge von Spülzusätzen
JP5240763B2 (ja) * 2008-05-23 2013-07-17 愛知時計電機株式会社 超音波流量計
DE102010051594B4 (de) * 2010-11-16 2013-04-11 Hydrometer Gmbh Gaszähler
JP2012242090A (ja) * 2011-05-16 2012-12-10 Panasonic Corp 超音波流量計
JP2014157016A (ja) * 2011-06-10 2014-08-28 Panasonic Corp ガスメータ
JP6060378B2 (ja) * 2012-11-13 2017-01-18 パナソニックＩｐマネジメント株式会社 流量計測装置
US9996089B2 (en) 2015-09-21 2018-06-12 Blue-White Industries, Ltd. Flow sensor devices and systems
JP6375519B2 (ja) * 2016-01-12 2018-08-22 パナソニックＩｐマネジメント株式会社 ガスメータ
GB2555003B (en) 2016-09-23 2022-07-06 Blue White Ind Ltd Flow sensor devices and systems
CN109959429B (zh) * 2017-12-26 2024-07-09 广东正扬传感科技股份有限公司 一种超声波探测器及探测设备
GB2587844A (en) 2019-06-07 2021-04-14 Blue White Ind Ltd Flow sensor devices and systems
EP3770561A1 (de) * 2019-07-26 2021-01-27 Levitronix GmbH Ultraschall-messvorrichtung zur messung an einem strömenden fluid und ultraschall-messsystem
US11307069B2 (en) 2020-03-06 2022-04-19 Woodward, Inc. Ultrasonic flow meter in a bypass channel coupled in parallel with a flow tube
EP4193128A1 (en) * 2020-08-07 2023-06-14 Woodward, Inc. Ultrasonic flow meter flow control
US11668818B2 (en) 2020-08-07 2023-06-06 Woodward, Inc. Ultrasonic position sensor
US11415442B2 (en) * 2020-10-30 2022-08-16 Honeywell International Inc. Ultrasonic flow tube having a plurality of outer pipes surrounding a center pipe positioned between an inlet wall and an outlet wall having transducers therein
US12018975B2 (en) 2021-03-11 2024-06-25 Honeywell International Inc. Ultrasound and thermal massflow in one flow channel
WO2022197321A1 (en) 2021-03-17 2022-09-22 Woodward, Inc. Ultrasonic mass fuel flow meter

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB222254A (en) 1923-07-26 1924-10-02 Ernest Harold Leonard Woodward A new or improved attachment for violins, violas, 'cellos, and other stringed instruments
IT1016750B (it) * 1974-08-01 1977-06-20 Fiat Spa Dispositivo per effettuare median te ultrasuoni la misura della por tata d aria in massa nel condotto di aspirazione di motori a combu stione interna
DE2963483D1 (en) * 1978-07-22 1982-09-30 Robert James Redding Fluid flow measuring apparatus
CH636701A5 (de) * 1979-06-08 1983-06-15 Landis & Gyr Ag Messwertgeber zur bestimmung der durchflussmenge einer stroemenden fluessigkeit mit ultraschall.
US4365518A (en) * 1981-02-23 1982-12-28 Mapco, Inc. Flow straighteners in axial flowmeters
US4425804A (en) * 1981-10-29 1984-01-17 The Perkin-Elmer Corp. Ultrasonic air flow transducer for high humidity environments
CH655574B (xx) * 1982-03-01 1986-04-30
US4506552A (en) * 1984-01-12 1985-03-26 Manning Technologies, Inc. Coaxial flowpath apparatus
EP0152132A1 (en) * 1984-01-27 1985-08-21 N.V. Nederlandsche Apparatenfabriek NEDAP An ultrasonic flow meter
CH670156A5 (xx) * 1986-06-17 1989-05-12 Landis & Gyr Gmbh
GB8813640D0 (en) * 1988-06-09 1988-07-13 Gill M J Speed measurement device

Also Published As

Publication number Publication date
KR950002058B1 (ko) 1995-03-10
DE69133145T2 (de) 2003-07-24
EP0479434A1 (en) 1992-04-08
HK1015172A1 (en) 1999-10-08
JPH04248466A (ja) 1992-09-03
DE69133145D1 (de) 2002-12-12
AU639144B2 (en) 1993-07-15
EP0907069A3 (en) 2000-03-29
EP0708314B1 (en) 2002-11-06
CA2052462A1 (en) 1992-04-03
ES2186702T3 (es) 2003-05-16
JPH0760160B2 (ja) 1995-06-28
KR920008496A (ko) 1992-05-28
DK0708314T3 (da) 2003-03-17
AU8556591A (en) 1992-05-14
CA2052462C (en) 1996-07-09
US5243863A (en) 1993-09-14
EP0907069A2 (en) 1999-04-07
GB9021441D0 (en) 1990-11-14
AU3845893A (en) 1993-07-22
ATE227420T1 (de) 2002-11-15
EP0708314A3 (en) 1997-11-26
EP0708314A2 (en) 1996-04-24

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)