NO761513L - - Google Patents
Info
- Publication number
- NO761513L NO761513L NO761513A NO761513A NO761513L NO 761513 L NO761513 L NO 761513L NO 761513 A NO761513 A NO 761513A NO 761513 A NO761513 A NO 761513A NO 761513 L NO761513 L NO 761513L
- Authority
- NO
- Norway
- Prior art keywords
- time interval
- flow
- counter
- circuit
- pulses
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000011156 evaluation Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 10
- 230000004087 circulation Effects 0.000 description 9
- 238000005259 measurement Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 238000012937 correction Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 101100516913 Mus musculus Npat gene Proteins 0.000 description 1
- 101100516914 Xenopus laevis npat gene Proteins 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/574,671 US3974693A (en) | 1975-05-05 | 1975-05-05 | Multiple time difference ultrasonic flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO761513L true NO761513L (fr) | 1976-11-08 |
Family
ID=24297126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO761513A NO761513L (fr) | 1975-05-05 | 1976-05-03 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3974693A (fr) |
| JP (1) | JPS51136445A (fr) |
| AU (1) | AU503735B2 (fr) |
| CA (1) | CA1058746A (fr) |
| DE (1) | DE2619726A1 (fr) |
| FR (1) | FR2331001A1 (fr) |
| GB (1) | GB1549652A (fr) |
| IT (1) | IT1068953B (fr) |
| NO (1) | NO761513L (fr) |
| SE (1) | SE406011B (fr) |
| ZA (1) | ZA761758B (fr) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2454101A1 (fr) * | 1979-04-11 | 1980-11-07 | Onera (Off Nat Aerospatiale) | Appareil de mesure de la vitesse d'une veine liquide par ultra-sons |
| FR2551204B1 (fr) * | 1983-04-12 | 1987-07-31 | Faes Yves | Procede et dispositif de mesure du temps de propagation d'une onde dans un ecoulement et application a un procede de determination de la vitesse de cet ecoulement |
| EP0179541A3 (fr) * | 1984-10-19 | 1987-08-26 | Smith Meter Inc. | Débimètre acoustique |
| NZ243294A (en) * | 1991-06-25 | 1995-04-27 | Commw Scient Ind Res Org | Time of flight of acoustic wave packets through fluid: reduction of higher order acoustic mode effects |
| FI88209C (fi) * | 1992-04-14 | 1993-04-13 | Kytoelae Instrumenttitehdas | Foerfarande och anordning vid akustisk stroemmaetning foer att foersaekra sig om den funktionsfoermaoga |
| SE503614C2 (sv) | 1994-10-24 | 1996-07-15 | Jerker Delsing | Sätt vid mätning i ett fluidum med hjälp av sing-around- teknik, anordning vid mätinstrument av sing-around-typ och mätinstrument av sing-around-typ |
| FR2734361B1 (fr) | 1995-05-17 | 1997-07-18 | Schlumberger Ind Sa | Dispositif pour la mesure de la vitesse d'ecoulement d'un fluide par ultrasons |
| DE19703243A1 (de) * | 1997-01-29 | 1998-07-30 | Tokheim Corp | Vorrichtung zur Volumenmessung strömender Medien sowie entsprechendes Verfahren |
| US6158288A (en) * | 1999-01-28 | 2000-12-12 | Dolphin Technology, Inc. | Ultrasonic system for measuring flow rate, fluid velocity, and pipe diameter based upon time periods |
| US6381549B1 (en) | 1999-01-28 | 2002-04-30 | Dolphin Technology, Inc. | System and method using digital filters and neural networks to determine fluid flow |
| WO2000046575A1 (fr) * | 1999-02-04 | 2000-08-10 | Bechtel Bwxt Idaho, Llc | Systeme debitmetre a ultrason |
| US6468222B1 (en) * | 1999-08-02 | 2002-10-22 | Healthetech, Inc. | Metabolic calorimeter employing respiratory gas analysis |
| US6487916B1 (en) * | 2000-02-02 | 2002-12-03 | Bechtel Bxwt Idaho, Llc | Ultrasonic flow metering system |
| AU2003223420A1 (en) * | 2002-04-01 | 2003-10-20 | Healthetech, Inc. | System and method of determining an individualized drug administration dosage |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3625057A (en) * | 1967-11-01 | 1971-12-07 | Mitsubishi Electric Corp | Ultrasonic flowmeter |
| GB1285175A (en) * | 1968-10-04 | 1972-08-09 | Atomic Energy Authority Uk | Improvements in or relating to apparatus for measuring the flow velocity of fluids |
| US3653259A (en) * | 1970-03-06 | 1972-04-04 | Westinghouse Electric Corp | Ultrasonic flowmeter systems |
| US3882722A (en) * | 1973-09-07 | 1975-05-13 | Westinghouse Electric Corp | Multiple time difference ultrasonic flowmeters |
| US3935735A (en) * | 1974-09-03 | 1976-02-03 | Badger Meter, Inc. | Ultrasonic flow meter |
-
1975
- 1975-05-05 US US05/574,671 patent/US3974693A/en not_active Expired - Lifetime
-
1976
- 1976-03-23 ZA ZA761758A patent/ZA761758B/xx unknown
- 1976-04-09 SE SE7604208A patent/SE406011B/xx unknown
- 1976-04-09 FR FR7610568A patent/FR2331001A1/fr not_active Withdrawn
- 1976-04-13 AU AU12946/76A patent/AU503735B2/en not_active Expired
- 1976-04-27 CA CA251,226A patent/CA1058746A/fr not_active Expired
- 1976-05-03 NO NO761513A patent/NO761513L/no unknown
- 1976-05-04 DE DE19762619726 patent/DE2619726A1/de not_active Withdrawn
- 1976-05-04 GB GB18141/76A patent/GB1549652A/en not_active Expired
- 1976-05-04 IT IT41577/76A patent/IT1068953B/it active
- 1976-05-06 JP JP51050980A patent/JPS51136445A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2619726A1 (de) | 1976-11-18 |
| US3974693A (en) | 1976-08-17 |
| AU1294676A (en) | 1977-10-20 |
| CA1058746A (fr) | 1979-07-17 |
| ZA761758B (en) | 1977-03-30 |
| SE406011B (sv) | 1979-01-15 |
| JPS51136445A (en) | 1976-11-25 |
| SE7604208L (sv) | 1976-11-06 |
| IT1068953B (it) | 1985-03-21 |
| GB1549652A (en) | 1979-08-08 |
| FR2331001A1 (fr) | 1977-06-03 |
| AU503735B2 (en) | 1979-09-20 |
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