JPH0475450B2 - - Google Patents
Info
- Publication number
- JPH0475450B2 JPH0475450B2 JP58137011A JP13701183A JPH0475450B2 JP H0475450 B2 JPH0475450 B2 JP H0475450B2 JP 58137011 A JP58137011 A JP 58137011A JP 13701183 A JP13701183 A JP 13701183A JP H0475450 B2 JPH0475450 B2 JP H0475450B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- ultrasonic
- phase difference
- flow velocity
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 230000003111 delayed effect Effects 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 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)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58137011A JPS6029615A (ja) | 1983-07-27 | 1983-07-27 | 超音波流速計 |
| US06/632,045 US4611496A (en) | 1983-07-27 | 1984-07-18 | Ultrasonic flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58137011A JPS6029615A (ja) | 1983-07-27 | 1983-07-27 | 超音波流速計 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6029615A JPS6029615A (ja) | 1985-02-15 |
| JPH0475450B2 true JPH0475450B2 (enrdf_load_stackoverflow) | 1992-11-30 |
Family
ID=15188724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58137011A Granted JPS6029615A (ja) | 1983-07-27 | 1983-07-27 | 超音波流速計 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6029615A (enrdf_load_stackoverflow) |
-
1983
- 1983-07-27 JP JP58137011A patent/JPS6029615A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6029615A (ja) | 1985-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4334431A (en) | Ultrasonic measuring instrument | |
| US4003256A (en) | Acoustic oscillator fluid velocity measuring device | |
| US3727454A (en) | Ultrasonic systems for carrying out flow measurements in fluids | |
| US3623363A (en) | Ultrasonic flowmeter | |
| JPS5938776Y2 (ja) | ディジタル形ト−ン信号検出器 | |
| JPH0475450B2 (enrdf_load_stackoverflow) | ||
| JP3689973B2 (ja) | 流量計測装置 | |
| JPH0537222Y2 (enrdf_load_stackoverflow) | ||
| JP3422100B2 (ja) | 流量計測装置 | |
| JPS626811B2 (enrdf_load_stackoverflow) | ||
| US4183245A (en) | Synchronous frequency-to-voltage converter for doppler apparatus | |
| JPH0537221Y2 (enrdf_load_stackoverflow) | ||
| JP2821665B2 (ja) | 位相同期ループおよび位相同期式超音波流量計 | |
| JP3422131B2 (ja) | 流量計測装置 | |
| SU690310A1 (ru) | Цифровой акустический уровнемер | |
| JPS63101713A (ja) | 連続波位相差式超音波流速計 | |
| JPS5817217Y2 (ja) | 超音波流量計 | |
| SU1536214A1 (ru) | Устройство дл измерени скорости ультразвука | |
| SU1566231A1 (ru) | Ультразвуковой термометр | |
| SU556327A1 (ru) | Одноканальный ультразвуковой расходомер | |
| SU1265605A1 (ru) | Способ измерени скорости распространени и коэффициента поглощени ультразвука и устройство дл его осуществлени | |
| SU690299A1 (ru) | Устройство дл измерени скорости и расхода жидкости или газа | |
| SU1245887A1 (ru) | Ультразвуковой расходомер | |
| JPS609739Y2 (ja) | 超音波測深機 | |
| JPS6023701Y2 (ja) | 超音波式測定装置 |