IT8667982A0 - Dispositivo ultrasonico di misurazione della portata di fluido in un condotto - Google Patents
Dispositivo ultrasonico di misurazione della portata di fluido in un condottoInfo
- Publication number
- IT8667982A0 IT8667982A0 IT8667982A IT6798286A IT8667982A0 IT 8667982 A0 IT8667982 A0 IT 8667982A0 IT 8667982 A IT8667982 A IT 8667982A IT 6798286 A IT6798286 A IT 6798286A IT 8667982 A0 IT8667982 A0 IT 8667982A0
- Authority
- IT
- Italy
- Prior art keywords
- duct
- measuring
- flow rate
- fluid flow
- ultrasonic device
- Prior art date
Links
- 239000012530 fluid Substances 0.000 title 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
- G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
- G01F1/86—Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure
-
- 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
- G01F1/662—Constructional details
-
- 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)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measuring Volume Flow (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT67982/86A IT1196886B (it) | 1986-12-30 | 1986-12-30 | Dispositivo ultrasonico di misurazione della portata di fluido in un condotto |
EP87119121A EP0273385B1 (en) | 1986-12-30 | 1987-12-23 | An ultrasonic device for measuring the rate of flow of fluid in a duct |
ES198787119121T ES2031115T3 (es) | 1986-12-30 | 1987-12-23 | Dispositivo ultrasonico para medir la velocidad de flujo de un fluido en un conducto. |
DE8787119121T DE3777985D1 (de) | 1986-12-30 | 1987-12-23 | Ultraschallvorrichtung zum messen der durchflussrate einer fluessigkeit in einer leitung. |
US07/139,184 US4860593A (en) | 1986-12-30 | 1987-12-29 | Ultrasonic device for measuring the rate of flow of fluid in a duct |
BR8707160A BR8707160A (pt) | 1986-12-30 | 1987-12-30 | Dispositivo ultrassonico de medicao de transporte de fluido em conduto |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT67982/86A IT1196886B (it) | 1986-12-30 | 1986-12-30 | Dispositivo ultrasonico di misurazione della portata di fluido in un condotto |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8667982A0 true IT8667982A0 (it) | 1986-12-30 |
IT1196886B IT1196886B (it) | 1988-11-25 |
Family
ID=11306927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT67982/86A IT1196886B (it) | 1986-12-30 | 1986-12-30 | Dispositivo ultrasonico di misurazione della portata di fluido in un condotto |
Country Status (6)
Country | Link |
---|---|
US (1) | US4860593A (it) |
EP (1) | EP0273385B1 (it) |
BR (1) | BR8707160A (it) |
DE (1) | DE3777985D1 (it) |
ES (1) | ES2031115T3 (it) |
IT (1) | IT1196886B (it) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5437194A (en) * | 1991-03-18 | 1995-08-01 | Panametrics, Inc. | Ultrasonic transducer system with temporal crosstalk isolation |
DE4118809C2 (de) * | 1991-06-07 | 1994-12-22 | Wagner Louise | Vorrichtung zur Messung kleiner Flüssigkeits- und Partikelströme |
DE59205724D1 (de) * | 1991-06-07 | 1996-04-25 | Wagner Louise | Vorrichtung zur Messung kleiner Flüssigkeits- und Partikelströme |
DK56593A (da) * | 1992-08-25 | 1994-02-26 | Kamstrup Metro As | Strømningsmåler |
US5502652A (en) * | 1994-08-24 | 1996-03-26 | Hoggatt; Austin C. | Method and apparatus for measuring heat transfer in small diameter pipes using acoustic signals |
KR0170815B1 (ko) * | 1996-05-27 | 1999-05-01 | 남상용 | 초음파 다회선 유량계 |
US5918281A (en) * | 1996-05-28 | 1999-06-29 | Nabulsi; Haz | Personal speedometer |
JP3175632B2 (ja) * | 1997-04-18 | 2001-06-11 | 松下電器産業株式会社 | シーンチェンジ検出方法およびシーンチェンジ検出装置 |
FR2781047B1 (fr) * | 1998-07-10 | 2000-09-01 | Faure Herman | Debitmetre a ultrasons multicorde |
US6386047B2 (en) * | 1998-09-03 | 2002-05-14 | Chang Min Tech Co., Ltd. | Ultrasonic flow velocity measuring method using phase difference measurements |
DE10062875B4 (de) * | 2000-12-16 | 2007-02-08 | Hydrometer Gmbh | Durchflussmesser |
DE10248593A1 (de) * | 2002-10-17 | 2004-04-29 | Endress + Hauser Flowtec Ag, Reinach | Durchflußmeßgerät |
JP4952164B2 (ja) * | 2006-09-20 | 2012-06-13 | 株式会社デンソー | 流量計測素子、質量流量計 |
CN101441107B (zh) * | 2007-11-23 | 2010-07-21 | 上海工程技术大学 | 一种在超声波非接触物体振动测量中数据分析处理方法 |
HUP0700785A2 (en) * | 2007-12-05 | 2009-06-29 | Thormed Kft | Method and apparatus for determining the flow parameters of a streaming medium |
CN101347752A (zh) * | 2008-07-28 | 2009-01-21 | 王洪福 | 搅拌剥皮机和搅拌着水机 |
DE102008055031A1 (de) * | 2008-12-19 | 2010-09-09 | Endress + Hauser Flowtec Ag | Messsystem mit mindestens einem Ultraschallsender und mindestens zwei Ultraschallempfängern |
JP5793644B2 (ja) * | 2010-11-11 | 2015-10-14 | パナソニックIpマネジメント株式会社 | 超音波式流量計測装置 |
CN104405316B (zh) * | 2014-09-28 | 2017-01-25 | 中石化胜利石油工程有限公司钻井工艺研究院 | 一种双压钻井液密度和质量流量的检测系统及检测方法 |
CN104197996B (zh) * | 2014-09-28 | 2016-08-24 | 中石化胜利石油工程有限公司钻井工艺研究院 | 一种串联式双压钻井液密度和质量流量检测系统 |
US10281307B2 (en) * | 2016-06-10 | 2019-05-07 | Virginia Tech Intellectual Properties, Inc. | System and method of non-intrusive anemometry |
FI129728B (fi) * | 2016-06-27 | 2022-08-15 | Flaekt Woods Ab | Laitteisto ja menetelmä ilmanvirtauksen mittaukseen |
FI127848B (fi) * | 2016-12-22 | 2019-04-15 | Flaekt Woods Ab | Laitteisto ja menetelmä ilmanvirtauksen mittaukseen kanavassa |
FI20166014L (fi) * | 2016-12-22 | 2018-06-23 | Flaekt Woods Ab | Laitteisto ja menetelmä ilmanvirtauksen mittaukseen |
GB201804449D0 (en) | 2018-03-20 | 2018-05-02 | Univ Warwick | Fluid flow speed method and apparatus |
GB201820713D0 (en) * | 2018-12-19 | 2019-01-30 | Agco Int Gmbh | Grain cleaning system and method of controlling such |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2826912A (en) * | 1948-12-27 | 1958-03-18 | Kritz Jack | Acoustic velocity measuring system |
US2746291A (en) * | 1950-09-08 | 1956-05-22 | Robert C Swengel | Fluid velocity measuring system |
JPS5125750B1 (it) * | 1966-11-01 | 1976-08-02 | ||
US3548653A (en) * | 1969-03-24 | 1970-12-22 | United Control Corp | Direction and velocity determining apparatus |
US3727458A (en) * | 1969-12-12 | 1973-04-17 | British Coal Utilisation Res A | Measurement of rates of flow of gases |
DE2441826A1 (de) * | 1974-08-31 | 1976-03-18 | Bosch Gmbh Robert | Verfahren und vorrichtung zum betrieb einer brennkraftmaschine |
DE3113522A1 (de) * | 1981-03-31 | 1982-11-04 | Siemens AG, 1000 Berlin und 8000 München | Waermemengen-messeinrichtung |
US4527433A (en) * | 1983-10-25 | 1985-07-09 | General Motors Corporation | Method and apparatus for measuring fluid flow |
US4527432A (en) * | 1983-11-07 | 1985-07-09 | General Motors Corporation | Dual frequency acoustic fluid flow method and apparatus |
-
1986
- 1986-12-30 IT IT67982/86A patent/IT1196886B/it active
-
1987
- 1987-12-23 EP EP87119121A patent/EP0273385B1/en not_active Expired - Lifetime
- 1987-12-23 DE DE8787119121T patent/DE3777985D1/de not_active Expired - Fee Related
- 1987-12-23 ES ES198787119121T patent/ES2031115T3/es not_active Expired - Lifetime
- 1987-12-29 US US07/139,184 patent/US4860593A/en not_active Expired - Fee Related
- 1987-12-30 BR BR8707160A patent/BR8707160A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
US4860593A (en) | 1989-08-29 |
IT1196886B (it) | 1988-11-25 |
BR8707160A (pt) | 1988-08-16 |
DE3777985D1 (de) | 1992-05-07 |
EP0273385A2 (en) | 1988-07-06 |
EP0273385B1 (en) | 1992-04-01 |
ES2031115T3 (es) | 1992-12-01 |
EP0273385A3 (en) | 1989-08-30 |
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Legal Events
Date | Code | Title | Description |
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TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19931214 |