FR2454101B1 - - Google Patents
Info
- Publication number
- FR2454101B1 FR2454101B1 FR7909207A FR7909207A FR2454101B1 FR 2454101 B1 FR2454101 B1 FR 2454101B1 FR 7909207 A FR7909207 A FR 7909207A FR 7909207 A FR7909207 A FR 7909207A FR 2454101 B1 FR2454101 B1 FR 2454101B1
- Authority
- FR
- France
- 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
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
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)
- Measuring Volume Flow (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7909207A FR2454101A1 (fr) | 1979-04-11 | 1979-04-11 | Appareil de mesure de la vitesse d'une veine liquide par ultra-sons |
US06/138,580 US4334434A (en) | 1979-04-11 | 1980-04-08 | Ultrasonic flow rate meter |
CA000349595A CA1151284A (fr) | 1979-04-11 | 1980-04-10 | Debitmetre ultrasonique |
DE3013809A DE3013809C2 (de) | 1979-04-11 | 1980-04-10 | Ultraschall-Durchfluß- oder Geschwindigkeitsmeßgerät für in einem Rohr strömende Flüssigkeiten |
JP4697480A JPS5635018A (en) | 1979-04-11 | 1980-04-11 | Device for measuring flow rate by ultrasonic waves |
GB8012000A GB2050603B (en) | 1979-04-11 | 1980-04-11 | Ultra-sonic flow rate meter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7909207A FR2454101A1 (fr) | 1979-04-11 | 1979-04-11 | Appareil de mesure de la vitesse d'une veine liquide par ultra-sons |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2454101A1 FR2454101A1 (fr) | 1980-11-07 |
FR2454101B1 true FR2454101B1 (fr) | 1982-11-19 |
Family
ID=9224225
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7909207A Granted FR2454101A1 (fr) | 1979-04-11 | 1979-04-11 | Appareil de mesure de la vitesse d'une veine liquide par ultra-sons |
Country Status (6)
Country | Link |
---|---|
US (1) | US4334434A (fr) |
JP (1) | JPS5635018A (fr) |
CA (1) | CA1151284A (fr) |
DE (1) | DE3013809C2 (fr) |
FR (1) | FR2454101A1 (fr) |
GB (1) | GB2050603B (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58167918A (ja) * | 1982-03-29 | 1983-10-04 | Toshiba Corp | 超音波流速測定装置 |
US4630482A (en) * | 1985-06-17 | 1986-12-23 | John Traina | Method and apparatus for ultrasonic measurements of a medium |
EP0243515A1 (fr) * | 1986-04-26 | 1987-11-04 | MMT-Medizin Messtechnik U. Spiegelhauer KG | Unité pour la mesure de vitesse de débit de gaz ou des mélanges de gaz dans une section libre d'un tube |
GB2237639B (en) * | 1989-10-31 | 1994-07-06 | British Gas Plc | Measurement system |
GB9119742D0 (en) * | 1991-09-16 | 1991-10-30 | British Gas Plc | Measurement system |
US5583301A (en) * | 1994-11-09 | 1996-12-10 | National Environmental Products Ltd., Inc. | Ultrasound air velocity detector for HVAC ducts and method therefor |
KR100739506B1 (ko) | 2006-09-25 | 2007-07-13 | 한국과학기술원 | 정합필터의 간략한 계산을 사용한 초음파 거리 정밀측정방법 |
US20120037361A1 (en) * | 2010-08-11 | 2012-02-16 | Safekick Limited | Arrangement and method for detecting fluid influx and/or loss in a well bore |
CN106768103B (zh) * | 2016-12-07 | 2019-02-12 | 浙江威星智能仪表股份有限公司 | 一种超声波流量计自动校准时间偏差的方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1586578A (fr) * | 1967-11-01 | 1970-02-20 | ||
US3653259A (en) * | 1970-03-06 | 1972-04-04 | Westinghouse Electric Corp | Ultrasonic flowmeter systems |
US3818757A (en) * | 1972-05-05 | 1974-06-25 | Saratoga Sys Inc | Dual path ultrasonic fluid flow metering system and method |
US3918304A (en) * | 1973-11-23 | 1975-11-11 | Westinghouse Electric Corp | Flowmeter computer |
FR2281571A1 (fr) * | 1974-08-06 | 1976-03-05 | Onera (Off Nat Aerospatiale) | Perfectionnements aux appareils pour mesurer la vitesse ou le debit d'un courant de liquide par determination de l'anisotropie de propagation d'ondes ultrasonores dans le courant |
US3974693A (en) * | 1975-05-05 | 1976-08-17 | Westinghouse Electric Corporation | Multiple time difference ultrasonic flowmeter |
-
1979
- 1979-04-11 FR FR7909207A patent/FR2454101A1/fr active Granted
-
1980
- 1980-04-08 US US06/138,580 patent/US4334434A/en not_active Expired - Lifetime
- 1980-04-10 DE DE3013809A patent/DE3013809C2/de not_active Expired
- 1980-04-10 CA CA000349595A patent/CA1151284A/fr not_active Expired
- 1980-04-11 JP JP4697480A patent/JPS5635018A/ja active Granted
- 1980-04-11 GB GB8012000A patent/GB2050603B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5635018A (en) | 1981-04-07 |
US4334434A (en) | 1982-06-15 |
CA1151284A (fr) | 1983-08-02 |
JPH0133762B2 (fr) | 1989-07-14 |
DE3013809A1 (de) | 1980-10-23 |
DE3013809C2 (de) | 1983-04-07 |
GB2050603B (en) | 1983-08-24 |
GB2050603A (en) | 1981-01-07 |
FR2454101A1 (fr) | 1980-11-07 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |