NO871700L - Transducer for anordning i et fluidum, saerlig for maaling av stroemningshastigheter til et fluidum i et roer med utsendelse/mottak av lydimpulser. - Google Patents

Transducer for anordning i et fluidum, saerlig for maaling av stroemningshastigheter til et fluidum i et roer med utsendelse/mottak av lydimpulser.

Info

Publication number
NO871700L
NO871700L NO87871700A NO871700A NO871700L NO 871700 L NO871700 L NO 871700L NO 87871700 A NO87871700 A NO 87871700A NO 871700 A NO871700 A NO 871700A NO 871700 L NO871700 L NO 871700L
Authority
NO
Norway
Prior art keywords
fluidum
transducer
reception
transmission
specifically
Prior art date
Application number
NO87871700A
Other languages
English (en)
Other versions
NO174309B (no
NO871700D0 (no
NO174309C (no
Inventor
Kanagasabapathy Mylvaganam
Erling Hammer
Original Assignee
Norske Stats Oljeselskap
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 Norske Stats Oljeselskap filed Critical Norske Stats Oljeselskap
Priority to NO871700A priority Critical patent/NO174309C/no
Publication of NO871700D0 publication Critical patent/NO871700D0/no
Priority to JP63503353A priority patent/JP2552347B2/ja
Priority to PCT/NO1988/000029 priority patent/WO1988008539A1/en
Priority to US07/312,587 priority patent/US4945276A/en
Priority to EP88903416A priority patent/EP0311663B1/en
Publication of NO871700L publication Critical patent/NO871700L/no
Publication of NO174309B publication Critical patent/NO174309B/no
Publication of NO174309C publication Critical patent/NO174309C/no

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
    • 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
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02836—Flow rate, liquid level

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)
  • Transducers For Ultrasonic Waves (AREA)
  • Measuring Volume Flow (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
NO871700A 1987-04-24 1987-04-24 Elektroakustisk transducer for anordning i et gassformig fluid, særlig for måling av strömningsghastigheten i et rör under eksplosjonsfarlige forhol NO174309C (no)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NO871700A NO174309C (no) 1987-04-24 1987-04-24 Elektroakustisk transducer for anordning i et gassformig fluid, særlig for måling av strömningsghastigheten i et rör under eksplosjonsfarlige forhol
JP63503353A JP2552347B2 (ja) 1987-04-24 1988-04-20 流体内に装置されるカップ形の金属本体を備えた電気音響変換器
PCT/NO1988/000029 WO1988008539A1 (en) 1987-04-24 1988-04-20 Transducer for arranging in a fluid, particularly for the measurement of the flow-velocity of a fluid in a pipe, by transmitting/receiving sonic pulses
US07/312,587 US4945276A (en) 1987-04-24 1988-04-20 Transducer for arranging in a fluid, particularly for the measurement of the flow-velocity of a fluid in a pipe, by transmitting/receiving sonic pulses
EP88903416A EP0311663B1 (en) 1987-04-24 1988-04-20 Transducer for arranging in a fluid, particularly for the measurement of the flow-velocity of a fluid in a pipe, by transmitting/receiving sonic pulses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO871700A NO174309C (no) 1987-04-24 1987-04-24 Elektroakustisk transducer for anordning i et gassformig fluid, særlig for måling av strömningsghastigheten i et rör under eksplosjonsfarlige forhol

Publications (4)

Publication Number Publication Date
NO871700D0 NO871700D0 (no) 1987-04-24
NO871700L true NO871700L (no) 1988-10-25
NO174309B NO174309B (no) 1994-01-03
NO174309C NO174309C (no) 1994-04-13

Family

ID=19889876

Family Applications (1)

Application Number Title Priority Date Filing Date
NO871700A NO174309C (no) 1987-04-24 1987-04-24 Elektroakustisk transducer for anordning i et gassformig fluid, særlig for måling av strömningsghastigheten i et rör under eksplosjonsfarlige forhol

Country Status (5)

Country Link
US (1) US4945276A (no)
EP (1) EP0311663B1 (no)
JP (1) JP2552347B2 (no)
NO (1) NO174309C (no)
WO (1) WO1988008539A1 (no)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO161882C (no) * 1987-04-24 1989-10-04 Norske Stats Oljeselskap Med ultralyd arbeidende transduseranordning for maaling avstroemningshastigheten til et fluidum i et roer.
DE4120681A1 (de) * 1990-08-04 1992-02-06 Bosch Gmbh Robert Ultraschallwandler
US5207101A (en) * 1991-09-06 1993-05-04 Magnetrol International Inc. Two-wire ultrasonic transmitter
DE4443415A1 (de) * 1994-12-06 1996-06-13 Siemens Ag Vorrichtung zur Aufnahme eines Schallwandlers und Ultraschall-Durchflußmesser mit derselben
US5962952A (en) * 1995-11-03 1999-10-05 Coherent Technologies, Inc. Ultrasonic transducer
US6246154B1 (en) * 1996-11-01 2001-06-12 Coherent Technologies Ultrasonic transducer
US6453757B1 (en) 1999-05-06 2002-09-24 M&Fc Holding Company Symmetrical ultrasound gas flow meter housing and related multi-configuration gas flow meter assembly
DE19951874C2 (de) 1999-10-28 2003-05-22 Krohne Ag Basel Ultraschall-Durchflußmeßgerät
WO2002071002A1 (de) * 2001-03-02 2002-09-12 Spanner-Pollux Gmbh Wandler für ultraschall-durchflussmesser
US6951131B2 (en) * 2002-09-06 2005-10-04 Delphi Technologies, Inc. Fuel level indication assembly
DE20309788U1 (de) * 2003-06-24 2004-11-04 Bürkert Werke GmbH & Co. KG Durchflussmesser nach dem Vortex-Prinzip
KR100789764B1 (ko) * 2003-07-16 2007-12-28 가부시키가이샤 무라타 세이사쿠쇼 초음파 송수파기
DE10356114A1 (de) * 2003-11-27 2005-06-23 Endress + Hauser Flowtec Ag, Reinach Vorrichtung zur Bestimmung und/oder Überwachung des Volumen- und/oder Massendurchflusses eines Messmediums
DE102008017067B4 (de) * 2008-04-03 2013-01-17 Continental Automotive Gmbh Elektroakustische Wandleranordnung
DE102010000967A1 (de) * 2010-01-18 2011-07-21 Robert Bosch GmbH, 70469 Ultraschallwandler zum Einsatz in einem fluiden Medium
CN105986377B (zh) * 2015-02-06 2018-10-09 台达电子工业股份有限公司 一种缝纫机及其对射式电眼装置和自动更正方法
RU2700038C2 (ru) * 2018-02-14 2019-09-12 Александр Петрович Демченко Акустический волновод
US11898993B2 (en) 2018-03-30 2024-02-13 Labcyte, Inc. Fluid impermeable ultrasonic transducer
TWI686226B (zh) * 2018-11-22 2020-03-01 國立臺灣大學 超音波細胞刺激裝置

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR896806A (fr) * 1940-02-22 1945-03-05 Atlas Werke Ag Appareil oscillateur piézo-électrique
US3218852A (en) * 1962-04-04 1965-11-23 Edison Instr Inc Flowmeters
US3204458A (en) * 1962-07-02 1965-09-07 Gulton Ind Inc Ultrasonic flowmeter
US3349259A (en) * 1965-05-27 1967-10-24 Kistler Instr Corp Piezoelectric pressure transducer
US3469445A (en) * 1967-07-20 1969-09-30 United Aircraft Corp Gas flow measuring system
US3555311A (en) * 1969-01-23 1971-01-12 Marquardt Corp High pressure piezoelectric transducer
US3835704A (en) * 1971-07-22 1974-09-17 Statham Instrument Inc Fluid flow meters
GB1411223A (en) * 1971-11-05 1975-10-22 Wilson Walton Int Ltd Apparatus and method for measuring the level of the contents of a container
US3801838A (en) * 1972-05-19 1974-04-02 Sundstrand Data Control Piezoelectric pressure transducer
US3898840A (en) * 1974-01-30 1975-08-12 Automation Ind Inc Multi-frequency ultrasonic search unit
DE2541492C3 (de) * 1975-09-17 1980-10-09 Siemens Ag, 1000 Berlin Und 8000 Muenchen Ultraschallwandler
FR2361033A1 (fr) * 1976-08-03 1978-03-03 France Etat Transducteurs piezoelectriques et antennes acoustiques immergeables a grande profondeur
AU534645B2 (en) * 1979-02-27 1984-02-09 Australasian Training Aids Pty. Ltd. Transducer assemblies
JPS5832559B2 (ja) * 1979-07-04 1983-07-13 株式会社 モリタ製作所 空中超音波パルスの伝送方式並びにこれに用いる超音波送受波具
US4397193A (en) * 1981-04-07 1983-08-09 Fischer & Porter Company Transducer drive circuit for ultrasonic flowmeter
US4410825A (en) * 1981-04-10 1983-10-18 Lobastov George S Piezoelectric pressure transducer with threaded damper bar
US4556814A (en) * 1984-02-21 1985-12-03 Ngk Spark Plug Co., Ltd. Piezoelectric ultrasonic transducer with porous plastic housing
GB2155732B (en) * 1984-03-14 1987-05-28 Rolls Royce Stress wave transducer
US4698541A (en) * 1985-07-15 1987-10-06 Mcdonnell Douglas Corporation Broad band acoustic transducer
DE3545682A1 (de) * 1985-12-21 1987-06-25 Fev Forsch Energietech Verbr Druckaufnehmer fuer den brennrauminnendruck in brennkraftmaschinen
US4700575A (en) * 1985-12-31 1987-10-20 The Boeing Company Ultrasonic transducer with shaped beam intensity profile

Also Published As

Publication number Publication date
NO174309B (no) 1994-01-03
JP2552347B2 (ja) 1996-11-13
WO1988008539A1 (en) 1988-11-03
JPH01503485A (ja) 1989-11-22
US4945276A (en) 1990-07-31
EP0311663A1 (en) 1989-04-19
NO871700D0 (no) 1987-04-24
EP0311663B1 (en) 1992-03-25
NO174309C (no) 1994-04-13

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