CA1169954A - Ultrasonic particulate identification - Google Patents

Ultrasonic particulate identification

Info

Publication number
CA1169954A
CA1169954A CA000377558A CA377558A CA1169954A CA 1169954 A CA1169954 A CA 1169954A CA 000377558 A CA000377558 A CA 000377558A CA 377558 A CA377558 A CA 377558A CA 1169954 A CA1169954 A CA 1169954A
Authority
CA
Canada
Prior art keywords
pulse
discontinuity
frequency
reflected
frequency spectrum
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
CA000377558A
Other languages
English (en)
French (fr)
Inventor
Leigh R. Abts
Robert T. Beyer
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.)
Micro Pure Systems Inc
Original Assignee
Micro Pure Systems 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 Micro Pure Systems Inc filed Critical Micro Pure Systems Inc
Application granted granted Critical
Publication of CA1169954A publication Critical patent/CA1169954A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/032—Analysing fluids by measuring attenuation of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/348—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with frequency characteristics, e.g. single frequency signals, chirp signals
    • 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
    • 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
    • G01N2291/02854—Length, thickness

Landscapes

  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
CA000377558A 1980-05-21 1981-05-14 Ultrasonic particulate identification Expired CA1169954A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US151,834 1980-05-21
US06/151,834 US4339944A (en) 1980-05-21 1980-05-21 Ultrasonic particulate identification

Publications (1)

Publication Number Publication Date
CA1169954A true CA1169954A (en) 1984-06-26

Family

ID=22540421

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000377558A Expired CA1169954A (en) 1980-05-21 1981-05-14 Ultrasonic particulate identification

Country Status (7)

Country Link
US (1) US4339944A (en, 2012)
JP (1) JPS5719653A (en, 2012)
CA (1) CA1169954A (en, 2012)
DE (1) DE3120284A1 (en, 2012)
FR (1) FR2483080B1 (en, 2012)
GB (1) GB2086044B (en, 2012)
IT (1) IT1144374B (en, 2012)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4381674A (en) * 1981-06-22 1983-05-03 Micro Pure Systems, Inc. Ultrasonic detecting and identifying of particulates
US4478072A (en) * 1981-10-09 1984-10-23 The British Petroleum Company P.L.C. Apparatus for determining the concentration of solids dispersed in a liquid
US4527420A (en) * 1982-06-11 1985-07-09 Micro Pure Systems, Inc. Ultrasonic particulate sensing
US4739662A (en) * 1982-06-11 1988-04-26 Micro Pure Systems, Inc. Ultrasonic particulate sensing
US4607520A (en) * 1984-01-09 1986-08-26 Introtek Corporation Method and apparatus for detecting discontinuities in a fluid stream
GB2156075B (en) * 1984-03-15 1987-12-02 Micro Pure Systems Inc Ultrasonic flow discontinuity identification
FR2562242B1 (fr) * 1984-03-27 1988-10-28 Micro Pure Systems Inc Procede de dispositif d'identification de discontinuites dans un ecoulement par une technique ultrasonique
DE3504210A1 (de) * 1985-02-07 1986-08-07 Kraftwerk Union AG, 4330 Mülheim Einrichtung zum bestimmen von oberflaechenrissen
JPS6222058A (ja) * 1985-07-23 1987-01-30 Nikka Densoku Kk 異物検出装置
US4827143A (en) * 1986-03-26 1989-05-02 Hitachi, Ltd. Monitor for particles of various materials
US5064412A (en) * 1989-09-05 1991-11-12 Pacesetter Infusion, Ltd. Ultrasonic air-in-line detector for a medication infusion system
US5053747A (en) * 1989-09-05 1991-10-01 Pacesetter Infusion, Inc. Ultrasonic air-in-line detector self-test technique
US5000663A (en) * 1989-09-05 1991-03-19 Pacesetter Infusion, Ltd. Automatic tubing lock for ultrasonic sensor interface
US5176631A (en) * 1989-09-05 1993-01-05 Pacesetter Infusion, Ltd. Ultrasonic air-in-line detector for detecting entrained air in a medication infusion system
US5126616A (en) * 1989-09-05 1992-06-30 Pacesetter Infusion, Ltd. Ultrasonic transducer electrical interface assembly
WO1992003724A1 (en) * 1990-08-17 1992-03-05 The Commonwealth Industrial Gases Limited Gas analyser
DE19533303C2 (de) * 1995-09-08 1997-08-14 Siemens Ag Vorrichtung und Verfahren zur Erfassung von Inhomogenitäten im Kühlkreis eines Transformators
US6454722B1 (en) * 1999-08-31 2002-09-24 Canon Kabushiki Kaisha Doppler velocimeter for blood flow
GB0031564D0 (en) * 2000-12-22 2001-02-07 Borealis Tech Oy Viscosity measurement
US6786096B2 (en) 2001-11-28 2004-09-07 Battelle Memorial Institute System and technique for detecting the presence of foreign material
US6992771B2 (en) * 2001-11-28 2006-01-31 Battelle Memorial Institute Systems and techniques for detecting the presence of foreign material
US9970903B1 (en) 2014-08-28 2018-05-15 Joseph Gerardi Method and apparatus for monitoring contaminants in a fluid flow
US10260466B2 (en) 2016-04-29 2019-04-16 Progeny Systems Corporation Ultrasonic contaminant detection system
EP3469349B1 (en) 2016-06-08 2023-04-19 Eaton Intelligent Power Limited Fluid sensor assembly
EP3396370B1 (en) 2017-04-28 2021-11-17 Fujitsu Limited Detecting portions of interest in images

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3538753A (en) * 1968-04-24 1970-11-10 Us Army Ultrasonic spectroscope
US3553636A (en) * 1969-01-27 1971-01-05 Bindicator Co Noncontact ultrasonic interface viscosity and percent solid detecting device
JPS52111793A (en) * 1976-03-16 1977-09-19 Matsushita Electric Ind Co Ltd Measuring system for mixed earth and sand
US4041774A (en) * 1976-07-02 1977-08-16 Rockwell International Corporation Acoustic data acquisition device
US4112773A (en) * 1977-05-02 1978-09-12 Rhode Island Hospital Ultrasonic particulate sensing
US4106327A (en) * 1977-11-22 1978-08-15 The United States Of America As Represented By The United States Department Of Energy Anisotropic determination and correction for ultrasonic flaw detection by spectral analysis
US4217909A (en) * 1978-08-23 1980-08-19 General Electric Company Directional detection of blood velocities in an ultrasound system

Also Published As

Publication number Publication date
FR2483080A1 (fr) 1981-11-27
DE3120284C2 (en, 2012) 1993-07-22
GB2086044A (en) 1982-05-06
JPH0145576B2 (en, 2012) 1989-10-04
IT1144374B (it) 1986-10-29
US4339944A (en) 1982-07-20
DE3120284A1 (de) 1982-06-24
GB2086044B (en) 1983-11-30
JPS5719653A (en) 1982-02-01
IT8167686A0 (it) 1981-05-21
FR2483080B1 (fr) 1985-07-05

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Legal Events

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