DE69535988D1 - Ultraschallwandler mit zeitweiliger übersprech-unterbindung - Google Patents

Ultraschallwandler mit zeitweiliger übersprech-unterbindung

Info

Publication number
DE69535988D1
DE69535988D1 DE69535988T DE69535988T DE69535988D1 DE 69535988 D1 DE69535988 D1 DE 69535988D1 DE 69535988 T DE69535988 T DE 69535988T DE 69535988 T DE69535988 T DE 69535988T DE 69535988 D1 DE69535988 D1 DE 69535988D1
Authority
DE
Germany
Prior art keywords
ultrasonic transformer
transmitter connection
temporary transmitter
temporary
connection
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 - Lifetime
Application number
DE69535988T
Other languages
English (en)
Inventor
Lawrence C Lynnworth
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.)
Panametrics LLC
Original Assignee
Panametrics LLC
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 US08/176,930 external-priority patent/US5515733A/en
Priority claimed from US08/206,861 external-priority patent/US5437194A/en
Application filed by Panametrics LLC filed Critical Panametrics LLC
Application granted granted Critical
Publication of DE69535988D1 publication Critical patent/DE69535988D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves
    • G01F23/2962—Measuring transit time of reflected waves
    • 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
    • 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
    • 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
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/222—Constructional or flow details for analysing fluids
    • 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
    • G01N2291/02818—Density, viscosity
    • 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
    • G01N2291/02881—Temperature
DE69535988T 1994-01-03 1995-01-03 Ultraschallwandler mit zeitweiliger übersprech-unterbindung Expired - Lifetime DE69535988D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/176,930 US5515733A (en) 1991-03-18 1994-01-03 Ultrasonic transducer system with crosstalk isolation
US08/206,861 US5437194A (en) 1991-03-18 1994-03-04 Ultrasonic transducer system with temporal crosstalk isolation
PCT/US1995/000043 WO1995019559A2 (en) 1994-01-03 1995-01-03 Ultrasonic transducer system with temporal crosstalk isolation

Publications (1)

Publication Number Publication Date
DE69535988D1 true DE69535988D1 (de) 2009-09-17

Family

ID=24691513

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69535988T Expired - Lifetime DE69535988D1 (de) 1994-01-03 1995-01-03 Ultraschallwandler mit zeitweiliger übersprech-unterbindung

Country Status (1)

Country Link
DE (1) DE69535988D1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113418574A (zh) * 2017-01-09 2021-09-21 乔治费歇尔图章有限责任公司 具有螺旋流动路径的超声波传感器组件及其制造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113418574A (zh) * 2017-01-09 2021-09-21 乔治费歇尔图章有限责任公司 具有螺旋流动路径的超声波传感器组件及其制造方法

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition