FR2450456A1 - Velocimetre a onde acoustique - Google Patents
Velocimetre a onde acoustiqueInfo
- Publication number
- FR2450456A1 FR2450456A1 FR7905824A FR7905824A FR2450456A1 FR 2450456 A1 FR2450456 A1 FR 2450456A1 FR 7905824 A FR7905824 A FR 7905824A FR 7905824 A FR7905824 A FR 7905824A FR 2450456 A1 FR2450456 A1 FR 2450456A1
- Authority
- FR
- France
- Prior art keywords
- transducers
- locked loop
- phase locked
- fluid flow
- velocity meter
- 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.)
- Granted
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
-
- 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
- G01P5/247—Sing-around-systems
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Aviation & Aerospace Engineering (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Measuring Volume Flow (AREA)
Abstract
L'INVENTION SE RAPPORTE A UN VELOCIMETRE A ONDES ACOUSTIQUES COMPRENANT UN CIRCUIT DE MESURE BOUCLE DANS LEQUEL LE SIGNAL ISSU D'UN DISPOSITIF D'INTERCORRELATION DES SIGNAUX EMIS ET RECUS PAR DEUX TRANSDUCTEURS VA A UN OSCILLATEUR A FREQUENCE COMMANDEE QUI PRODUIT UN SIGNAL APPLIQUE AU TRANSDUCTEUR EMETTEUR. IL EST CARACTERISE EN CE QU'ENTRE LE DISPOSITIF D'INTERCORRELATION 4 ET L'OSCILLATEUR A FREQUENCE COMMANDEE 15 LE SIGNAL PASSE PAR UN FILTRE EN FREQUENCE 14 ET UN LIMITEUR DE TENSION 22 ET EN CE QU'IL COMPREND UN CIRCUIT DISTINCT 23 REGLANT LA FREQUENCE MOYENNE DE LA BOUCLE. APPLICATION A L'INDUSTRIE DES COMPTEURS NOTAMMENT DE DEBIT ET DE VITESSE.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7905824A FR2450456A1 (fr) | 1979-02-28 | 1979-02-28 | Velocimetre a onde acoustique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7905824A FR2450456A1 (fr) | 1979-02-28 | 1979-02-28 | Velocimetre a onde acoustique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2450456A1 true FR2450456A1 (fr) | 1980-09-26 |
FR2450456B1 FR2450456B1 (fr) | 1983-03-25 |
Family
ID=9222840
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7905824A Granted FR2450456A1 (fr) | 1979-02-28 | 1979-02-28 | Velocimetre a onde acoustique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2450456A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2803032A1 (fr) * | 1999-12-28 | 2001-06-29 | Gaz De France | Procede et dispositif de mesure d'un debit de fluide circulant dans une canalisation |
CN110542460A (zh) * | 2019-09-03 | 2019-12-06 | 西安安森智能仪器股份有限公司 | 一种多声道超声波流量计换能器驱动电路及其控制方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3420102A (en) * | 1966-12-15 | 1969-01-07 | Lockheed Aircraft Corp | Acoustic fluid metering device |
US3751979A (en) * | 1971-11-17 | 1973-08-14 | Raytheon Co | Speed measurement system |
US3914998A (en) * | 1974-01-03 | 1975-10-28 | Westinghouse Electric Corp | Ultrasonic flowmeter system with alternating two-way transmission |
US4003256A (en) * | 1975-11-17 | 1977-01-18 | Canadian Patents And Development Limited | Acoustic oscillator fluid velocity measuring device |
-
1979
- 1979-02-28 FR FR7905824A patent/FR2450456A1/fr active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3420102A (en) * | 1966-12-15 | 1969-01-07 | Lockheed Aircraft Corp | Acoustic fluid metering device |
US3751979A (en) * | 1971-11-17 | 1973-08-14 | Raytheon Co | Speed measurement system |
US3914998A (en) * | 1974-01-03 | 1975-10-28 | Westinghouse Electric Corp | Ultrasonic flowmeter system with alternating two-way transmission |
US4003256A (en) * | 1975-11-17 | 1977-01-18 | Canadian Patents And Development Limited | Acoustic oscillator fluid velocity measuring device |
Non-Patent Citations (1)
Title |
---|
EXBK/74 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2803032A1 (fr) * | 1999-12-28 | 2001-06-29 | Gaz De France | Procede et dispositif de mesure d'un debit de fluide circulant dans une canalisation |
EP1113247A1 (fr) * | 1999-12-28 | 2001-07-04 | Gaz De France | Procédé et dispositif de mesure d'un débit de fluide circulant dans une canalisation |
CN110542460A (zh) * | 2019-09-03 | 2019-12-06 | 西安安森智能仪器股份有限公司 | 一种多声道超声波流量计换能器驱动电路及其控制方法 |
Also Published As
Publication number | Publication date |
---|---|
FR2450456B1 (fr) | 1983-03-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS56132580A (en) | Light wave rangemeter | |
FR2390711A1 (fr) | Compteur volumetrique ou de quantite de chaleur pour milieux liquides | |
FR2450456A1 (fr) | Velocimetre a onde acoustique | |
US4446744A (en) | Ultrasonic flowmeter | |
GB1505823A (en) | Ultrasonic flowmeter | |
ES453490A1 (es) | Un aforador mejorado. | |
DE3571505D1 (en) | A device for determining the velocity in a flowing fluid by use of the acoustic doppler-effect | |
FR2354565A1 (fr) | Dispositif de mesure de la vitesse d'un vehicule, en particulier d'un vehicule a traction totale | |
GB1301579A (fr) | ||
EP0056135A3 (fr) | Système de mesure de débit à étendue de mesure améliorée | |
JPS5832121A (ja) | 位相差方式による超音波流量計 | |
SU994929A1 (ru) | Устройство дл бесконтактного измерени скорости вибрации | |
DK458784A (da) | Fremgangsmaade til maaling af stroemningshastigheder med ultralyd | |
GB968465A (en) | Electro-accoustic analysis of substances | |
JPS56164918A (en) | Ultrasonic flowmeter | |
JPS5527938A (en) | Ultrasonic wave flow meter | |
JP2674375B2 (ja) | 静止型水中音響模擬標的装置 | |
JPS5527935A (en) | Ultrasonic wave flow meter | |
SU482670A1 (ru) | Устройство дл измерени скорости распространени ультразвука | |
SU1017930A1 (ru) | Ультразвуковое устройство дл измерени параметров вибрации | |
JPS567530A (en) | Suppression system of echo distortion | |
JPS56141573A (en) | Ground speed meter | |
FR2306455A1 (fr) | Procede et dispositif de mesure de la vitesse relative de deplacement de deux parois mobiles et de l'ecartement instantane desdites parois | |
RU2020474C1 (ru) | Устройство для определения концентрации свободного газа в жидкости | |
SU564601A1 (ru) | Ультразвуковой измеритель скорости потока среды |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |