JP4105685B2 - 振動型トランスデューサ - Google Patents
振動型トランスデューサ Download PDFInfo
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- JP4105685B2 JP4105685B2 JP2004503898A JP2004503898A JP4105685B2 JP 4105685 B2 JP4105685 B2 JP 4105685B2 JP 2004503898 A JP2004503898 A JP 2004503898A JP 2004503898 A JP2004503898 A JP 2004503898A JP 4105685 B2 JP4105685 B2 JP 4105685B2
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Images
Classifications
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- 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
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- 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
-
- 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
- G01F1/8409—Coriolis or gyroscopic mass flowmeters constructional details
- G01F1/8422—Coriolis or gyroscopic mass flowmeters constructional details exciters
-
- 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
- G01F1/8427—Coriolis or gyroscopic mass flowmeters constructional details detectors
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
- G01N11/16—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by measuring damping effect upon oscillatory body
- G01N11/162—Oscillations being torsional, e.g. produced by rotating bodies
- G01N11/167—Sample holder oscillates, e.g. rotating crucible
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0025—Shearing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0092—Visco-elasticity, solidification, curing, cross-linking degree, vulcanisation or strength properties of semi-solid materials
- G01N2203/0094—Visco-elasticity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measuring Volume Flow (AREA)
Description
動作中は振動し且つ入口のチューブ部及び出口のチューブ部を介して前記パイプに接続される、流体を流すための単一の真っすぐなフローチューブ、
動作中前記フローチューブの少なくとも一部を前記フローチューブと同一直線上にある振動の軸の回りにねじれ振動に励起する励起アセンブリ、及び
前記フローチューブの振動を局所的に感知するセンサ装置(sensor arrangement)を備えている。
本発明の第二の実施の形態においては、前記ねじれ振動吸収体は前記フローチューブの入口及び出口側に固定される。
本発明の第四の実施の形態においては、前記ねじれ振動吸収体は前記フローチューブの振動周波数の1.2倍より小さなねじれ固有周波数を有する。
本発明の第六の実施の形態においては、前記トランスデューサは前記入口チューブ部及び出口チューブ部に結合されたトランスデューサケースを更に備えている。
本発明の基本的思想は前記のねじれて振動するフローチューブによって生じたトルクを、例えば、前記フローチューブのみによって駆動することができる前記ねじれ振動吸収体によって生成された等しい反応トルクと動的に均衡させることである。
Claims (25)
- パイプを流れる流体のための振動型トランスデューサにおいて、
流体を流すための実質的に真っ直ぐなフローチューブであって、動作中に振動し、且つ、前記フローチューブの入口端部で終結する入口チューブ部を介して、及び、前記フローチューブの出口端部で終結する出口チューブ部を介して、前記パイプと連通するフローチューブと、
前記フローチューブを振動させるため前記フローチューブに作用する励起アセンブリであって、前記フローチューブを励起してその長手方向軸の回りにねじれ振動を生じさせると共に、前記フローチューブを励起してたわみ振動を生じさせるようになされた励起アセンブリと、
前記フローチューブの振動を感知するためのセンサ装置と、
前記フローチューブに固定されたねじれ振動吸収体であって、前記フローチューブとは実質的に平行に延び、且つ、前記フローチューブとは実質的に同軸になるよう前記フローチューブに接続された反振動体を含む、ねじれ振動吸収体とを備え、
動作中に、前記フローチューブは、少なくとも間欠的に、瞬間的なねじれ周波数(fexcT)でフローチューブの長手方向軸の回りにねじれ振動をし、且つ、前記ねじれ振動吸収体は、その少なくとも一部が、前記ねじれ振動するフローチューブとは位相をずらして振動し、
動作中に、前記フローチューブは、少なくとも間欠的に、たわみ振動するよう励起される、振動型トランスデューサ。 - 前記振動するねじれ振動吸収体は前記振動するフローチューブによってのみ駆動される、請求項1に記載のトランスデューサ。
- 前記ねじれ振動吸収体は前記フローチューブの入口及び出口側に固定される、請求項1に記載のトランスデューサ。
- 前記ねじれ振動吸収体は前記フローチューブの振動周波数の0.8倍より大きなねじれ固有周波数を有する、請求項1に記載のトランスデューサ。
- 前記ねじれ振動吸収体は前記フローチューブの振動周波数の1.2倍より小さなねじれ固有周波数を有する、請求項1に記載のトランスデューサ。
- 前記ねじれ振動吸収体は入口側の吸収体サブユニット及び出口側の吸収体サブユニットによって形成される、請求項1に記載のトランスデューサ。
- 前記吸収体サブユニットの各ねじれ共振周波数(f61,f62)は前記フローチューブが動作中励起されるねじれ周波数と本質的に同じである、請求項6に記載のトランスデューサ。
- 前記入口チューブ部及び出口チューブ部に結合されたトランスデューサケースを更に備えている、請求項1乃至7のいずれか1項に記載のトランスデューサ。
- 付加的な質量が前記フローチューブに固定されている、請求項1に記載のトランスデューサ。
- 前記励起アセンブリは前記フローチューブを励起して前記ねじれ振動と前記たわみ振動とを同時に生じさせる、請求項1乃至9のいずれか1項に記載のトランスデューサ。
- 溝が前記反振動体に形成されている、請求項10に記載のトランスデューサ。
- 前記反振動体のねじれ共振周波数は前記フローチューブが動作中励起されるねじれ周波数と実質的に同じであるように選択される、請求項10に記載のトランスデューサ。
- 前記入口チューブ部に形成された第1のフランジと、前記出口チューブ部に形成された第2のフランジとを更に備える、請求項1乃至12のいずれか1項に記載のトランスデューサ。
- 前記フローチューブは、該フローチューブがその全長に渡って実質的に一方向にねじられる際の基本ねじれ固有モードの固有共振周波数に等しいねじれ周波数で 励起される、請求項1乃至13のいずれか1項に記載のトランスデューサ。
- 前記フローチューブは固有共振周波数に等しいねじれ周波数で励起され、前記反振動体のねじれ共振周波数は前記フローチューブの前記ねじれ振動の周波数よりも低くなるように選択される、請求項1乃至14のいずれか1項に記載のトランスデューサ。
- 前記フローチューブは固有共振周波数に等しいねじれ周波数で励起され、前記反振動体のねじれ共振周波数は前記フローチューブの前記ねじれ振動の周波数よりも高くなるように選択される、請求項1乃至15のいずれか1項に記載のトランスデューサ。
- 前記フローチューブは前記フローチューブの最低固有たわみ共振周波数に等しいたわみ振動周波数で励起される、請求項1乃至16のいずれか1項に記載のトランスデューサ。
- 前記励起アセンブリは、前記反振動体を励起して、前記フローチューブのたわみ振動とは実質的に同一平面内のたわみ振動を生じさせるようになされている、請求項1乃至17のいずれか1項に記載のトランスデューサ。
- 前記センサ装置は、前記フローチューブの振動と前記反振動体の振動とを別々に検知するようになされている、請求項1乃至18のいずれか1項に記載のトランスデューサ。
- 前記センサ装置は、前記フローチューブのねじれ振動及びたわみ振動の両方を検知するようになされている、請求項1乃至19のいずれか1項に記載のトランスデューサ。
- 前記センサ装置は、少なくとも、入口側の第1のセンサと、出口側の第2のセンサとを備えている、請求項1乃至20のいずれか1項に記載のトランスデューサ。
- 前記第1のセンサは、前記フローチューブのねじれ振動及びたわみ振動の両方を検知するようになされており、前記第2のセンサは、前記フローチューブのねじれ振動及びたわみ振動の両方を検知するようになされている、請求項21に記載のトランスデューサ。
- 前記第1及び第2のセンサは電気力学式速度センサである、請求項21又は22に記載のトランスデューサ。
- 前記パイプ内に流れる流体の粘度を測定するために使用される、請求項1乃至23のいずれか1項に記載のトランスデューサ。
- 前記パイプ内に流れる流体の粘度及び質量流量の両方を測定するために使用される、請求項1乃至23のいずれか1項に記載のトランスデューサ。
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2002120827 DE10220827A1 (de) | 2002-05-08 | 2002-05-08 | Messwandler vom Vibrationstyp |
| US39311602P | 2002-07-03 | 2002-07-03 | |
| DE2002135322 DE10235322A1 (de) | 2002-08-01 | 2002-08-01 | Meßwandler vom Vibrationstyp |
| US40004702P | 2002-08-02 | 2002-08-02 | |
| PCT/EP2003/004777 WO2003095949A1 (de) | 2002-05-08 | 2003-05-07 | Torsionschwingungs-tilger für einen messwandler vom vibrationstyp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005524844A JP2005524844A (ja) | 2005-08-18 |
| JP4105685B2 true JP4105685B2 (ja) | 2008-06-25 |
Family
ID=29424601
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004503898A Expired - Fee Related JP4105685B2 (ja) | 2002-05-08 | 2003-05-07 | 振動型トランスデューサ |
| JP2004503899A Expired - Fee Related JP4108081B2 (ja) | 2002-05-08 | 2003-05-07 | 振動変換器 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004503899A Expired - Fee Related JP4108081B2 (ja) | 2002-05-08 | 2003-05-07 | 振動変換器 |
Country Status (7)
| Country | Link |
|---|---|
| US (5) | US7017424B2 (ja) |
| EP (2) | EP1502084B1 (ja) |
| JP (2) | JP4105685B2 (ja) |
| CN (2) | CN100387943C (ja) |
| AU (2) | AU2003227729A1 (ja) |
| CA (2) | CA2485131C (ja) |
| WO (2) | WO2003095949A1 (ja) |
Families Citing this family (106)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013101369B4 (de) | 2013-02-12 | 2021-02-18 | Endress + Hauser Flowtec Ag | Coriolis-Massendurchfluß-Meßgerät |
| US6334219B1 (en) * | 1994-09-26 | 2001-12-25 | Adc Telecommunications Inc. | Channel selection for a hybrid fiber coax network |
| AU2003227729A1 (en) * | 2002-05-08 | 2003-11-11 | Endress + Hauser Flowtec Ag | Torsional oscillation damper for a vibrating measuring transformer |
| GB0302519D0 (en) * | 2003-02-04 | 2003-03-05 | Trw Ltd | Improvements in fluid monitoring |
| DE10344742A1 (de) * | 2003-09-25 | 2005-04-14 | Endress + Hauser Flowtec Ag, Reinach | Verfahren zum Einstellen einer mechanischen Resonanzfrequenz |
| DE102004011377A1 (de) * | 2004-03-05 | 2005-09-15 | Endress + Hauser Gmbh + Co. Kg | Vorrichtung zur Bestimmung und/oder Überwachung einer Prozessgrösse |
| US7040181B2 (en) | 2004-03-19 | 2006-05-09 | Endress + Hauser Flowtec Ag | Coriolis mass measuring device |
| US7284449B2 (en) | 2004-03-19 | 2007-10-23 | Endress + Hauser Flowtec Ag | In-line measuring device |
| DE102004014029A1 (de) * | 2004-03-19 | 2005-10-06 | Endress + Hauser Flowtec Ag, Reinach | Coriolis-Massedurchfluß-Meßgerät |
| EP1725840B1 (de) * | 2004-03-19 | 2020-11-25 | Endress+Hauser Flowtec AG | In-line-messgerät |
| DE102004018326B4 (de) | 2004-04-13 | 2023-02-23 | Endress + Hauser Flowtec Ag | Vorrichtung und Verfahren zum Messen einer Dichte und/oder einer Viskosität eines Fluids |
| US7077014B2 (en) * | 2004-06-23 | 2006-07-18 | Endress + Hauser Flowtec Ag | Vibration-type measuring transducer |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2003095950A1 (de) | 2003-11-20 |
| JP2005524845A (ja) | 2005-08-18 |
| US7353717B2 (en) | 2008-04-08 |
| US6840109B2 (en) | 2005-01-11 |
| CN1653316A (zh) | 2005-08-10 |
| CN100387943C (zh) | 2008-05-14 |
| WO2003095949A1 (de) | 2003-11-20 |
| US7017424B2 (en) | 2006-03-28 |
| AU2003232734A1 (en) | 2003-11-11 |
| US20030233878A1 (en) | 2003-12-25 |
| CA2485131C (en) | 2011-01-04 |
| EP1502085A1 (de) | 2005-02-02 |
| EP1502084A1 (de) | 2005-02-02 |
| AU2003227729A1 (en) | 2003-11-11 |
| CN100387944C (zh) | 2008-05-14 |
| CA2484668C (en) | 2010-07-13 |
| EP1502085B1 (de) | 2015-09-02 |
| US20080184817A1 (en) | 2008-08-07 |
| US20060000292A1 (en) | 2006-01-05 |
| US7654153B2 (en) | 2010-02-02 |
| CA2484668A1 (en) | 2003-11-20 |
| EP1502084B1 (de) | 2020-01-15 |
| JP4108081B2 (ja) | 2008-06-25 |
| US7080564B2 (en) | 2006-07-25 |
| JP2005524844A (ja) | 2005-08-18 |
| CN1653317A (zh) | 2005-08-10 |
| US20030233868A1 (en) | 2003-12-25 |
| CA2485131A1 (en) | 2003-11-20 |
| US20060225517A1 (en) | 2006-10-12 |
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