FR2393276B1 - - Google Patents
Info
- Publication number
- FR2393276B1 FR2393276B1 FR7816574A FR7816574A FR2393276B1 FR 2393276 B1 FR2393276 B1 FR 2393276B1 FR 7816574 A FR7816574 A FR 7816574A FR 7816574 A FR7816574 A FR 7816574A FR 2393276 B1 FR2393276 B1 FR 2393276B1
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Measuring Volume Flow (AREA)
- Rectifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB23787/77A GB1602185A (en) | 1977-06-03 | 1977-06-03 | Measuring fluid flow |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2393276A1 FR2393276A1 (fr) | 1978-12-29 |
FR2393276B1 true FR2393276B1 (fr) | 1983-10-28 |
Family
ID=10201316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7816574A Granted FR2393276A1 (fr) | 1977-06-03 | 1978-06-02 | Indicateur de debit de fluide |
Country Status (7)
Country | Link |
---|---|
US (1) | US4185498A (fr) |
JP (1) | JPS5417877A (fr) |
CA (1) | CA1105606A (fr) |
DE (1) | DE2824021A1 (fr) |
FR (1) | FR2393276A1 (fr) |
GB (1) | GB1602185A (fr) |
NL (1) | NL7805895A (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5653026B2 (fr) * | 1973-09-14 | 1981-12-16 | ||
JPS5053684A (fr) * | 1973-09-14 | 1975-05-12 | ||
NL7810630A (nl) * | 1978-10-25 | 1980-04-29 | Rheometron Ag | Inrichting voor het meten van de snelheid van fluidumstromingen. |
US4372168A (en) * | 1981-06-09 | 1983-02-08 | International Telephone And Telegraph Corporation | Flowmeter |
US4545798A (en) * | 1983-06-02 | 1985-10-08 | Ppg Industries, Inc. | Ablating liquefaction employing plasma |
GB2205645A (en) * | 1987-06-12 | 1988-12-14 | Milan Herman Miessler | Fluid flow measurement |
EP0457999B1 (fr) * | 1990-05-19 | 1994-09-28 | Endress + Hauser Flowtec AG | Module de capteurs à mesure ultrasonique pour un débimètre volumétrique |
US5214955A (en) * | 1991-08-26 | 1993-06-01 | The United States Of America As Represented By The United States National Aeronautics And Space Administration | Constant frequency pulsed phase-locked loop measuring device |
KR100276462B1 (ko) * | 1998-08-26 | 2000-12-15 | 남상용 | 초음파 유속측정 장치 |
DE19911762A1 (de) * | 1999-03-16 | 2000-09-21 | Peter Ganshorn | Verfahren zur Bestimmung der Strömungsgeschwindigkeit und/oder der Molmasse von flüssigen oder gasförmigen Medien |
US6539316B1 (en) * | 2000-01-06 | 2003-03-25 | Data Sciences International, Inc. | Phase detector |
US6595071B1 (en) | 2000-01-06 | 2003-07-22 | Transoma Medical, Inc. | Estimation of error angle in ultrasound flow measurement |
US6435037B1 (en) | 2000-01-06 | 2002-08-20 | Data Sciences International, Inc. | Multiplexed phase detector |
US6993445B2 (en) * | 2001-01-16 | 2006-01-31 | Invensys Systems, Inc. | Vortex flowmeter |
JP3585476B2 (ja) * | 2002-03-15 | 2004-11-04 | 松下電器産業株式会社 | 流量計測装置 |
DE202020000805U1 (de) * | 2020-02-28 | 2020-05-14 | Diehl Metering Gmbh | Messeinrichtung, insbesondere Durchflussmesser, mit wenigstens einem Ultraschallwandler |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3697936A (en) * | 1970-02-27 | 1972-10-10 | Nusonics | Sound velocimeter |
US3894431A (en) * | 1972-04-04 | 1975-07-15 | Atomic Energy Authority Uk | Apparatus for indicating fluid flow velocity |
GB1422791A (en) * | 1972-04-04 | 1976-01-28 | 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 |
DE2517117A1 (de) * | 1975-04-18 | 1976-10-28 | Standard Elektrik Lorenz Ag | Anordnung zum bestimmen der stroemungsgeschwindigkeit von fluessigkeiten und gasen |
DE2636737C2 (de) * | 1976-08-14 | 1978-06-22 | Danfoss A/S, Nordborg (Daenemark) | Gerät zur Ultraschallmessung physikalischer Größen strömender Medien |
-
1977
- 1977-06-03 GB GB23787/77A patent/GB1602185A/en not_active Expired
-
1978
- 1978-05-31 NL NL7805895A patent/NL7805895A/xx not_active Application Discontinuation
- 1978-06-01 DE DE19782824021 patent/DE2824021A1/de not_active Withdrawn
- 1978-06-02 CA CA304,679A patent/CA1105606A/fr not_active Expired
- 1978-06-02 JP JP6661078A patent/JPS5417877A/ja active Pending
- 1978-06-02 FR FR7816574A patent/FR2393276A1/fr active Granted
- 1978-07-20 US US05/926,260 patent/US4185498A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB1602185A (en) | 1981-11-11 |
JPS5417877A (en) | 1979-02-09 |
CA1105606A (fr) | 1981-07-21 |
US4185498A (en) | 1980-01-29 |
NL7805895A (nl) | 1978-12-05 |
DE2824021A1 (de) | 1979-01-04 |
FR2393276A1 (fr) | 1978-12-29 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |