CA2443375A1 - Vibratory transducer - Google Patents
Vibratory transducer Download PDFInfo
- Publication number
- CA2443375A1 CA2443375A1 CA002443375A CA2443375A CA2443375A1 CA 2443375 A1 CA2443375 A1 CA 2443375A1 CA 002443375 A CA002443375 A CA 002443375A CA 2443375 A CA2443375 A CA 2443375A CA 2443375 A1 CA2443375 A1 CA 2443375A1
- Authority
- CA
- Canada
- Prior art keywords
- flow tube
- transducer
- outlet
- inlet
- tube
- 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.)
- Granted
Links
- 239000012530 fluid Substances 0.000 abstract 2
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000005284 excitation Effects 0.000 abstract 1
- 230000003068 static effect Effects 0.000 abstract 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
- G01F1/78—Direct mass flowmeters
- G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
- G01F1/84—Coriolis or gyroscopic mass flowmeters
- G01F1/8409—Coriolis or gyroscopic mass flowmeters 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
- G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
- G01F1/78—Direct mass flowmeters
- G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
- G01F1/84—Coriolis or gyroscopic mass flowmeters
- G01F1/8409—Coriolis or gyroscopic mass flowmeters constructional details
- G01F1/8413—Coriolis or gyroscopic mass flowmeters constructional details means for influencing the flowmeter's motional or vibrational behaviour, e.g., conduit support or fixing means, or conduit attachments
- G01F1/8418—Coriolis or gyroscopic mass flowmeters constructional details means for influencing the flowmeter's motional or vibrational behaviour, e.g., conduit support or fixing means, or conduit attachments motion or vibration balancing means
-
- 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
- G01F1/78—Direct mass flowmeters
- G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
- G01F1/84—Coriolis or gyroscopic mass flowmeters
- G01F1/845—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits
- G01F1/8468—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits
- G01F1/849—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits having straight measuring conduits
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
To conduct a fluid, the transducer has a flow tube which in use is vibrated by an excitation system and whose inlet-side and outlet-side vibrations are detected by means of a sensor system. In response to transverse forces produced in the vibrating flow tube, the latter is, at least temporarily, laterally displaced from an assigned static rest position. To improve the dynamic balance of the transducer, a first cantilever and a second cantilever are rigidly fixed to an inlet-side tube section and an outlet-side tube section, respectively.
By means of the cantilevers, the inlet-side and outlet-side tube sections are deformed as a result of lateral displacements of the flow tube. This produces counterforces which at least partially counterbalance the transverse forces produced in the vibrating flow tube. One advantage of the proposed transducer is that it is well balanced even during variations in fluid density.
By means of the cantilevers, the inlet-side and outlet-side tube sections are deformed as a result of lateral displacements of the flow tube. This produces counterforces which at least partially counterbalance the transverse forces produced in the vibrating flow tube. One advantage of the proposed transducer is that it is well balanced even during variations in fluid density.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01109977A EP1253408A1 (en) | 2001-04-24 | 2001-04-24 | Vibration type measuring transducer |
EP01109977.7 | 2001-04-24 | ||
PCT/EP2002/002157 WO2002086426A1 (en) | 2001-04-24 | 2002-02-28 | Vibration-type measuring transformer |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2443375A1 true CA2443375A1 (en) | 2002-10-31 |
CA2443375C CA2443375C (en) | 2009-06-30 |
Family
ID=8177225
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002443375A Expired - Fee Related CA2443375C (en) | 2001-04-24 | 2002-02-28 | Vibratory transducer |
Country Status (6)
Country | Link |
---|---|
EP (2) | EP1253408A1 (en) |
JP (1) | JP3947111B2 (en) |
CN (1) | CN1267711C (en) |
CA (1) | CA2443375C (en) |
RU (1) | RU2273827C2 (en) |
WO (1) | WO2002086426A1 (en) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6776053B2 (en) * | 2001-11-26 | 2004-08-17 | Emerson Electric, Inc. | Flowmeter for the precision measurement of an ultra-pure material flow |
WO2003095949A1 (en) | 2002-05-08 | 2003-11-20 | Endress + Hauser Flowtec Ag | Torsional oscillation damper for a vibrating measuring transformer |
JP4562497B2 (en) * | 2004-11-15 | 2010-10-13 | 株式会社オーバル | Noise suppression type straight pipe type Coriolis flow meter |
EP1872095A1 (en) * | 2005-03-29 | 2008-01-02 | Micro Motion Incorporated | Coriolis flow meter and method for determining flow characteristics |
DE102005042677A1 (en) * | 2005-08-27 | 2007-03-08 | Abb Patent Gmbh | Coriolis mass flow sensor |
US7490521B2 (en) | 2005-11-15 | 2009-02-17 | Endress + Hauser Flowtec Ag | Measurement transducer of vibration type |
DE102005054855A1 (en) * | 2005-11-15 | 2007-05-16 | Flowtec Ag | Vibration type fluid measurement transducer has counter oscillator coupled to inlet and outlet sides and balanced extension arms generating flexural torques |
EP1949048B1 (en) * | 2005-11-15 | 2016-09-21 | Endress+Hauser Flowtec AG | Vibration-type measuring transducer |
US7475603B2 (en) | 2005-11-15 | 2009-01-13 | Endress + Hauser Flowtec Ag | Measurement transducer of vibration-type |
US7472607B2 (en) | 2005-11-15 | 2009-01-06 | Endress + Hauser Flowtec Ag | Measurement transducer of vibration type |
DE102006062185A1 (en) * | 2006-12-22 | 2008-06-26 | Endress + Hauser Flowtec Ag | Vibration type measuring transducer for use in e.g. coriolis-mass flow measuring device, has connection cables symmetrically shifted relative to axes of tube and inner parts and mirror-symmetrically shifted relative to axes of oscillator |
WO2008077817A1 (en) * | 2006-12-22 | 2008-07-03 | Endress+Hauser Flowtec Ag | Vibratory transducer |
DE102007021099A1 (en) | 2007-05-03 | 2008-11-13 | Endress + Hauser (Deutschland) Ag + Co. Kg | Method for commissioning and / or reconfiguring a programmable field meter |
DE102007030699A1 (en) | 2007-06-30 | 2009-01-15 | Endress + Hauser Flowtec Ag | Measuring system for a medium flowing in a process line |
DE102007030690A1 (en) | 2007-06-30 | 2009-05-07 | Endress + Hauser Flowtec Ag | Measuring system for a medium flowing in a process line |
DE102007030691A1 (en) | 2007-06-30 | 2009-01-02 | Endress + Hauser Flowtec Ag | Measuring system for a medium flowing in a process line |
DE102007030700A1 (en) | 2007-06-30 | 2009-05-07 | Endress + Hauser Flowtec Ag | Measuring system for a medium flowing in a process line |
DE102007063372A1 (en) | 2007-12-30 | 2009-07-02 | Endress + Hauser Flowtec Ag | Measuring system for a medium flowing in a process line |
DE102007037166A1 (en) | 2007-08-07 | 2009-02-19 | Endress + Hauser Flowtec Ag | gauge |
DE102007058608A1 (en) | 2007-12-04 | 2009-06-10 | Endress + Hauser Flowtec Ag | Electric device |
DE102008022373A1 (en) | 2008-05-06 | 2009-11-12 | Endress + Hauser Flowtec Ag | Measuring device and method for monitoring a measuring device |
DE102009002289A1 (en) | 2009-04-08 | 2010-10-14 | Endress + Hauser Flowtec Ag | Method for determining period duration of periodic primary signal for determining e.g. mass flow rate, involves generating reference clock signal, and determining period duration based on number and reference values |
WO2011131399A1 (en) | 2010-04-19 | 2011-10-27 | Endress+Hauser Flowtec Ag | Driver circuit for a measuring transducer and measuring system designed having same |
DE202010006553U1 (en) | 2010-05-06 | 2011-10-05 | Endress + Hauser Flowtec Ag | Electronic measuring device with an optocoupler |
DE102010030924A1 (en) | 2010-06-21 | 2011-12-22 | Endress + Hauser Flowtec Ag | Electronics housing for an electronic device or device formed therewith |
DE102011076838A1 (en) | 2011-05-31 | 2012-12-06 | Endress + Hauser Flowtec Ag | Meter electronics for a meter device and meter device formed thereby |
AT517082B1 (en) * | 2015-05-20 | 2016-11-15 | Anton Paar Gmbh | Measuring device for the examination of fluid samples |
CN105067060B (en) * | 2015-09-16 | 2018-02-02 | 济南大学 | A kind of liquid mass flow meter and its detection method based on torsional oscillation |
DE102016114860A1 (en) | 2016-08-10 | 2018-02-15 | Endress + Hauser Flowtec Ag | Driver circuit and thus formed converter electronics or thus formed measuring system |
DE102017112950A1 (en) * | 2017-06-13 | 2018-12-13 | Krohne Messtechnik Gmbh | Magnetic-inductive flowmeter and method for operating a magnetic-inductive flowmeter |
JP6785894B2 (en) * | 2019-01-21 | 2020-11-18 | マイクロ モーション インコーポレイテッド | Improved spool body for vibrating densitometer |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2212613B (en) * | 1987-11-19 | 1991-07-03 | Schlumberger Ind Ltd | Improvements in single vibrating tube transducers |
US5945609A (en) * | 1996-03-08 | 1999-08-31 | Fuji Electric Co., Ltd. | Mass flowmeter for measuring flow rate of a fluid |
US5987999A (en) * | 1998-07-01 | 1999-11-23 | Micro Motion, Inc. | Sensitivity enhancing balance bar |
DE19840782C2 (en) * | 1998-09-08 | 2001-09-06 | Krohne Messtechnik Kg | Mass flow meter |
-
2001
- 2001-04-24 EP EP01109977A patent/EP1253408A1/en not_active Withdrawn
-
2002
- 2002-02-28 CN CNB028080629A patent/CN1267711C/en not_active Expired - Lifetime
- 2002-02-28 RU RU2003133994/28A patent/RU2273827C2/en not_active IP Right Cessation
- 2002-02-28 JP JP2002583911A patent/JP3947111B2/en not_active Expired - Lifetime
- 2002-02-28 EP EP02706751.1A patent/EP1381830B1/en not_active Expired - Lifetime
- 2002-02-28 CA CA002443375A patent/CA2443375C/en not_active Expired - Fee Related
- 2002-02-28 WO PCT/EP2002/002157 patent/WO2002086426A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
JP2004526160A (en) | 2004-08-26 |
EP1253408A1 (en) | 2002-10-30 |
JP3947111B2 (en) | 2007-07-18 |
EP1381830A1 (en) | 2004-01-21 |
CN1502037A (en) | 2004-06-02 |
EP1381830B1 (en) | 2021-03-31 |
RU2273827C2 (en) | 2006-04-10 |
CA2443375C (en) | 2009-06-30 |
WO2002086426A1 (en) | 2002-10-31 |
RU2003133994A (en) | 2005-02-27 |
CN1267711C (en) | 2006-08-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20180228 |