DE3364370D1 - Ultrasonic flowmeter - Google Patents

Ultrasonic flowmeter

Info

Publication number
DE3364370D1
DE3364370D1 DE8383302713T DE3364370T DE3364370D1 DE 3364370 D1 DE3364370 D1 DE 3364370D1 DE 8383302713 T DE8383302713 T DE 8383302713T DE 3364370 T DE3364370 T DE 3364370T DE 3364370 D1 DE3364370 D1 DE 3364370D1
Authority
DE
Germany
Prior art keywords
ultrasonic flowmeter
flowmeter
ultrasonic
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
DE8383302713T
Other languages
English (en)
Inventor
Abraham H Kou
Michael G Busby
Errol E Polenske
Wilfried R Peickert
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.)
Messer LLC
Original Assignee
BOC Group Inc
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 BOC Group Inc filed Critical BOC Group Inc
Application granted granted Critical
Publication of DE3364370D1 publication Critical patent/DE3364370D1/de
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
    • G01F1/668—Compensating or correcting for variations in velocity of sound
    • 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)
DE8383302713T 1982-05-17 1983-05-13 Ultrasonic flowmeter Expired DE3364370D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/379,240 US4452090A (en) 1982-05-17 1982-05-17 Ultrasonic flowmeter

Publications (1)

Publication Number Publication Date
DE3364370D1 true DE3364370D1 (en) 1986-08-07

Family

ID=23496415

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383302713T Expired DE3364370D1 (en) 1982-05-17 1983-05-13 Ultrasonic flowmeter

Country Status (6)

Country Link
US (1) US4452090A (de)
EP (1) EP0100584B1 (de)
JP (1) JPS5931411A (de)
AU (1) AU543396B2 (de)
CA (1) CA1189948A (de)
DE (1) DE3364370D1 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4928534A (en) * 1986-07-10 1990-05-29 Kaijo Denki Co. Ltd. Socket structure for mounting ultrasonic gas flow measuring device with respect to gas flow pipe
US4823612A (en) * 1986-07-10 1989-04-25 Kaijo Denki Co., Ltd. Socket structure for mounting ultrasonic gas flow measuring device with respect to gas flow pipe
GB2197472A (en) * 1986-11-17 1988-05-18 British Gas Plc Ultrasonic flowmeter
GB8813640D0 (en) * 1988-06-09 1988-07-13 Gill M J Speed measurement device
US5117698A (en) * 1988-12-07 1992-06-02 Joseph Baumoel Pulse train detection in transit time flowmeter
CA2031912A1 (en) * 1989-12-22 1991-06-23 Robert Fred Pfost Heated cover device
US5035147A (en) * 1990-02-09 1991-07-30 Curtin Matheson Scientific, Inc. Method and system for digital measurement of acoustic burst travel time in a fluid medium
KR0170815B1 (ko) * 1996-05-27 1999-05-01 남상용 초음파 다회선 유량계
FR2749652B1 (fr) * 1996-06-07 1998-08-21 Schlumberger Ind Sa Procede de mesure du temps de propagation d'un signal acoustique dans un fluide par passage a zero dudit signal acoustique
US6390999B1 (en) * 1996-06-28 2002-05-21 Rocky Mountain Research, Inc. Method and apparatus for flow measurement with temperature and density compensation
US6647804B1 (en) * 1999-02-10 2003-11-18 Rd Instruments, Inc. System and method for flow measurement in a pipe
US6595071B1 (en) 2000-01-06 2003-07-22 Transoma Medical, Inc. Estimation of error angle in ultrasound flow measurement
WO2001050144A2 (en) * 2000-01-06 2001-07-12 Data Sciences International, Inc. Phase detector
US6761078B2 (en) * 2001-08-30 2004-07-13 Daniel Industries, Inc. Ultrasonic flowmeter transducer mount
ATE289058T1 (de) * 2002-03-01 2005-02-15 Sick Engineering Gmbh Ultraschallwandleranordnung mit ultraschallfilter
US6892566B2 (en) * 2002-05-08 2005-05-17 Ngk Spark Plug Co., Ltd. Gas concentration sensor
CA2510972C (en) * 2005-06-28 2013-05-14 Nimtech Inc. Advanced ultrasonic interferometer and method of non-linear classification and indentification of matter using same
DE102007058132A1 (de) * 2007-11-30 2009-06-04 Endress + Hauser Flowtec Ag Messsystem, insbesondere zur Durchflussmessung eines in einer Rohrleitung strömenden Messmediums
US7658114B1 (en) 2008-11-17 2010-02-09 General Electric Company Ultrasonic flow meter
US8550703B2 (en) 2010-09-27 2013-10-08 Sartorius Stedim North America Inc. Systems and methods for use in freezing or thawing biopharmaceutical materials
US8700344B2 (en) * 2011-04-20 2014-04-15 Neptune Technology Group Inc. Ultrasonic flow meter
CA2869471C (en) 2012-04-05 2021-07-20 Fisher & Paykel Healthcare Limited Respiratory assistance apparatus
EP4235120A3 (de) * 2014-05-27 2023-10-04 Fisher & Paykel Healthcare Limited Gasmischung und -messung für eine medizinische vorrichtung
US10209110B2 (en) * 2015-02-10 2019-02-19 Javad Rezanezhad Gatabi Ultrasonic sensor for displacement, vibration, linear and rotational speed and position, and fluid flow measurement
DE102015106352A1 (de) * 2015-04-24 2016-10-27 Endress + Hauser Flowtec Ag Anordnung und Ultraschall-Durchflussmessgerät
GB2599020B (en) 2015-12-02 2022-06-22 Fisher & Paykel Healthcare Ltd Flow path sensing for flow therapy apparatus
CN105911308A (zh) * 2016-06-13 2016-08-31 中科同德（厦门）物联网科技有限公司 一种风速风向的测量方法
EP3320840B1 (de) * 2016-11-11 2022-08-17 Tata Consultancy Services Limited System und verfahren zur überwachung der gesundheit der lunge
US10610659B2 (en) 2017-03-23 2020-04-07 General Electric Company Gas mixer incorporating sensors for measuring flow and concentration

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2724269A (en) * 1952-12-30 1955-11-22 Kalmus Henry Paul Apparatus for measuring flow
US2991650A (en) * 1956-03-07 1961-07-11 Henry S Katzenstein Sonic flow meter
US4164865A (en) * 1977-02-22 1979-08-21 The Perkin-Elmer Corporation Acoustical wave flowmeter
GB2022255B (en) * 1978-05-16 1982-09-15 Cho Onpa Kogyo Co Acoustic measuring instruments eg flowmeters
JPS5749813A (en) * 1980-09-10 1982-03-24 Toshiba Corp Ultrasonic flowmeter

Also Published As

Publication number Publication date
EP0100584A2 (de) 1984-02-15
EP0100584B1 (de) 1986-07-02
CA1189948A (en) 1985-07-02
AU543396B2 (en) 1985-04-18
AU1388083A (en) 1983-11-24
JPS5931411A (ja) 1984-02-20
US4452090A (en) 1984-06-05
EP0100584A3 (en) 1984-03-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee