FR2308104B1 - - Google Patents
Info
- Publication number
- FR2308104B1 FR2308104B1 FR7611434A FR7611434A FR2308104B1 FR 2308104 B1 FR2308104 B1 FR 2308104B1 FR 7611434 A FR7611434 A FR 7611434A FR 7611434 A FR7611434 A FR 7611434A FR 2308104 B1 FR2308104 B1 FR 2308104B1
- 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
- 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)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2517117A DE2517117A1 (de) | 1975-04-18 | 1975-04-18 | Anordnung zum bestimmen der stroemungsgeschwindigkeit von fluessigkeiten und gasen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2308104A1 FR2308104A1 (fr) | 1976-11-12 |
| FR2308104B1 true FR2308104B1 (US20020095090A1-20020718-M00002.png) | 1979-06-29 |
Family
ID=5944334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7611434A Granted FR2308104A1 (fr) | 1975-04-18 | 1976-04-16 | Debitmetre ultrasonique |
Country Status (6)
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1602185A (en) * | 1977-06-03 | 1981-11-11 | Standard Telephones Cables Ltd | Measuring fluid flow |
| FR2414190A1 (fr) * | 1978-01-06 | 1979-08-03 | Ultraflux | Appareil de mesure du debit d'un gaz par transmission d'impulsions ultrasonores et mesure de la difference des temps de parcours amont et aval |
| FR2422938A1 (fr) * | 1978-04-12 | 1979-11-09 | Ultraflux | Debitmetre a ultrasons comportant un dispositif a deux portes analogiques pour la memorisation d'une tension de rampe aux instants de reception des echos amont et aval |
| DE2828937A1 (de) * | 1978-06-30 | 1980-01-10 | Siemens Ag | Vorrichtung zum messen von stroemungsgeschwindigkeiten mit hilfe von ultraschallschwingungen |
| DE2963483D1 (en) * | 1978-07-22 | 1982-09-30 | Robert James Redding | Fluid flow measuring apparatus |
| DE2943810C2 (de) * | 1979-10-30 | 1982-12-09 | Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch | Meßanordnung für die Geschwindigkeit von strömungsfähigen Medien mittels Laufzeitbestimmung von Schallwellen |
| DE3016968C2 (de) * | 1980-05-02 | 1982-11-04 | Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch | Meßanordnung für die Geschwindigkeit von strömungsfähigen Medien mittels Laufzeitbestimmung von Schallwellen |
| US4372166A (en) * | 1981-01-13 | 1983-02-08 | The Perkin-Elmer Corporation | Flowmeter system with digital phase shifter and calibration |
| US4372167A (en) * | 1981-01-13 | 1983-02-08 | The Perkin-Elmer Corporation | Flowmeter system with improved loop gain |
| EP0056137B1 (en) * | 1981-01-13 | 1987-08-26 | The Perkin-Elmer Corporation | Flowmeter system with ultrasonic energy improvement in equilibration |
| GB2091876A (en) * | 1981-01-23 | 1982-08-04 | Standard Telephones Cables Ltd | Measuring fluid flow |
| US4397193A (en) * | 1981-04-07 | 1983-08-09 | Fischer & Porter Company | Transducer drive circuit for ultrasonic flowmeter |
| US4372168A (en) * | 1981-06-09 | 1983-02-08 | International Telephone And Telegraph Corporation | Flowmeter |
| DE3219788C2 (de) * | 1982-05-25 | 1985-02-28 | Siemens AG, 1000 Berlin und 8000 München | Durchflußmengenmeßeinrichtung für Fluide und Durchflußmengenmengenmeßeinrichtung zur Verwendung als Wärmemengenzähler |
| US4655089A (en) * | 1985-06-07 | 1987-04-07 | Smith Meter Inc. | Mass flow meter and signal processing system |
| DE4114650A1 (de) * | 1991-05-05 | 1992-11-12 | Krieg Gunther | Verfahren und vorrichtung zur messung von volumenstroemen in fluessigkeiten und gasen |
| JPH08122117A (ja) * | 1994-10-19 | 1996-05-17 | Matsushita Electric Ind Co Ltd | 流量計測装置 |
| US5817949A (en) * | 1996-10-04 | 1998-10-06 | Dieterich Technology Holding Corp. | Ultrasonic flow meter and method |
| DE19704001A1 (de) * | 1997-02-04 | 1998-08-06 | Herzog Stephan | Windgeschwindigkeitsmessung per Ultraschall |
| US6151558A (en) * | 1998-02-10 | 2000-11-21 | Conant; James R | Ultrasonic marine speedometer system |
| US6993445B2 (en) * | 2001-01-16 | 2006-01-31 | Invensys Systems, Inc. | Vortex flowmeter |
| US6832179B2 (en) * | 2001-06-26 | 2004-12-14 | Invensys Systems, Inc. | Evaluating a vortex flow-meter signal |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2826912A (en) * | 1948-12-27 | 1958-03-18 | Kritz Jack | Acoustic velocity measuring system |
| FR1140922A (fr) * | 1955-12-17 | 1957-08-21 | France Etat | Perfectionnements apportés aux procédés et appareils pour la mesure de la vitessede propagation des ondes, notamment sonores |
| US3720105A (en) * | 1971-03-24 | 1973-03-13 | Nusonics | Acoustic flowmeter |
| GB1422791A (en) * | 1972-04-04 | 1976-01-28 | Atomic Energy Authority Uk | Apparatus for indicating fluid flow velocity |
| US3894431A (en) * | 1972-04-04 | 1975-07-15 | Atomic Energy Authority Uk | Apparatus for indicating fluid flow velocity |
| US3818757A (en) * | 1972-05-05 | 1974-06-25 | Saratoga Sys Inc | Dual path ultrasonic fluid flow metering system and method |
-
1975
- 1975-04-18 DE DE2517117A patent/DE2517117A1/de active Pending
-
1976
- 1976-04-07 NL NL7603610A patent/NL7603610A/xx not_active Application Discontinuation
- 1976-04-14 US US05/677,052 patent/US4069713A/en not_active Expired - Lifetime
- 1976-04-14 CA CA250,313A patent/CA1064607A/en not_active Expired
- 1976-04-14 IT IT22303/76A patent/IT1063825B/it active
- 1976-04-16 FR FR7611434A patent/FR2308104A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2308104A1 (fr) | 1976-11-12 |
| IT1063825B (it) | 1985-02-18 |
| DE2517117A1 (de) | 1976-10-28 |
| NL7603610A (nl) | 1976-10-20 |
| US4069713A (en) | 1978-01-24 |
| CA1064607A (en) | 1979-10-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |