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DE3878473D1 - Wandler fuer fluessigkeiten. - Google Patents

Wandler fuer fluessigkeiten.

Info

Publication number
DE3878473D1
DE3878473D1 DE8888301957T DE3878473T DE3878473D1 DE 3878473 D1 DE3878473 D1 DE 3878473D1 DE 8888301957 T DE8888301957 T DE 8888301957T DE 3878473 T DE3878473 T DE 3878473T DE 3878473 D1 DE3878473 D1 DE 3878473D1
Authority
DE
Germany
Prior art keywords
tines
enhance
sensitivity
piezo
housed
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 - Lifetime
Application number
DE8888301957T
Other languages
English (en)
Other versions
DE3878473T3 (de
DE3878473T2 (de
Inventor
Mark Jonathan Rudkin
David Ian Heaton Atkinson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rosemount Measurement Ltd
Original Assignee
Schlumberger Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10613757&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3878473(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Schlumberger Industries Ltd filed Critical Schlumberger Industries Ltd
Application granted granted Critical
Publication of DE3878473D1 publication Critical patent/DE3878473D1/de
Publication of DE3878473T2 publication Critical patent/DE3878473T2/de
Publication of DE3878473T3 publication Critical patent/DE3878473T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • G01N2009/006—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 vibrating tube, tuning fork

Landscapes

  • Immunology (AREA)
  • Pathology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Surgical Instruments (AREA)
  • External Artificial Organs (AREA)
  • Measuring Fluid Pressure (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
DE3878473T 1987-03-11 1988-03-07 Wandler für Flüssigkeiten. Expired - Lifetime DE3878473T3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878705757A GB8705757D0 (en) 1987-03-11 1987-03-11 Fluid transducer

Publications (3)

Publication Number Publication Date
DE3878473D1 true DE3878473D1 (de) 1993-03-25
DE3878473T2 DE3878473T2 (de) 1993-06-17
DE3878473T3 DE3878473T3 (de) 2001-06-13

Family

ID=10613757

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3878473T Expired - Lifetime DE3878473T3 (de) 1987-03-11 1988-03-07 Wandler für Flüssigkeiten.

Country Status (6)

Country Link
US (1) US4922745A (de)
EP (1) EP0282251B2 (de)
JP (1) JP2730903B2 (de)
AT (1) ATE85848T1 (de)
DE (1) DE3878473T3 (de)
GB (2) GB8705757D0 (de)

Families Citing this family (106)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2236591B (en) * 1989-10-05 1993-10-06 Marconi Gec Ltd Sensor apparatus
US5373745A (en) * 1991-02-05 1994-12-20 Direct Measurement Corporation Single path radial mode Coriolis mass flow rate meter
US5345811A (en) * 1992-04-01 1994-09-13 Parker Hannifin Corporation Fluid density sensor and system
GB2277992B (en) * 1992-12-10 1996-09-18 Imi Cornelius A sensor arrangement
US5627310A (en) * 1992-12-10 1997-05-06 Imi Cornelius, Inc. Sensor arrangement for ice bank control
GB9225983D0 (en) * 1992-12-12 1993-02-10 Hydramotion Ltd Transducer for the measurement of attributes of flowable media
GB2289762B (en) * 1992-12-12 1996-07-31 Hydramotion Ltd Transducer for the measurement of attributes of flowable media
US5710374A (en) * 1995-04-06 1998-01-20 University Of Virginia Patent Foundation Electronic viscometer
US5571952A (en) * 1995-04-06 1996-11-05 University Of Virginia Patent Foundation Electronic viscometer
US6044694A (en) * 1996-08-28 2000-04-04 Videojet Systems International, Inc. Resonator sensors employing piezoelectric benders for fluid property sensing
EP1669738A3 (de) * 1996-10-09 2007-12-12 Symyx Technologies, Inc. Infrarotspektroskopie und Abbildung von Bibliotheken
US6494079B1 (en) 2001-03-07 2002-12-17 Symyx Technologies, Inc. Method and apparatus for characterizing materials by using a mechanical resonator
US6393895B1 (en) 1997-10-08 2002-05-28 Symyx Technologies, Inc. Method and apparatus for characterizing materials by using a mechanical resonator
US6546785B1 (en) 1998-04-02 2003-04-15 Rockwell Automation Technologies, Inc. System and method for dynamic lubrication adjustment for a lubrication analysis system
US6324899B1 (en) 1998-04-02 2001-12-04 Reliance Electric Technologies, Llc Bearing-sensor integration for a lubrication analysis system
US6023961A (en) 1998-04-02 2000-02-15 Reliance Electric Industrial Company Micro-viscosity sensor and lubrication analysis system employing the same
US7134323B1 (en) 1998-04-02 2006-11-14 Rockwell Automation Technologies, Inc. System and method for dynamic lubrication adjustment for a lubrication analysis system
GB9815232D0 (en) 1998-07-15 1998-09-09 Hydramotion Ltd Diagnostic sensor
NL1010308C2 (nl) * 1998-10-13 2000-04-17 Vaf Instr Bv Piëzo-elektrische viscositeitsmeter.
US6079266A (en) * 1999-04-01 2000-06-27 Starr-Johnson Fluid-level measurement by dynamic excitation of a pressure- and fluid-load-sensitive diaphragm
GB0005152D0 (en) * 2000-03-03 2000-04-26 Colquhoun Ross L Mud watcher
DE10014724A1 (de) 2000-03-24 2001-09-27 Endress Hauser Gmbh Co Verfahren und Vorrichtung zur Feststellung und/oder Überwachung des Füllstandes eines Mediums in einem Behälter
JP3348162B2 (ja) 2000-05-09 2002-11-20 シービーシーマテリアルズ株式会社 液体の粘性測定法と粘弾性測定法並びに粘弾性測定装置
DE10050299A1 (de) * 2000-10-10 2002-04-11 Endress Hauser Gmbh Co Vorrichtung zur Bestimmung und/oder Überwachung der Viskosität eines Mediums in einem Behälter
GB2369887B (en) * 2000-12-08 2005-03-09 Sondex Ltd Densitometer
US6591688B2 (en) 2001-03-07 2003-07-15 Starr-Johnson Load sensing by partial magnetic saturation
US6539806B2 (en) 2001-03-07 2003-04-01 Starr-Johnson Fluid-load measurement by magnetic excitation and vibration sensing of a fluid-load-sensitive diaphragm
DE10112433A1 (de) * 2001-03-15 2002-10-02 Bosch Gmbh Robert Messanordnung für eine Viskositätsmessung von Flüssigkeiten
US7317989B2 (en) 2001-05-15 2008-01-08 Baker Hughes Incorporated Method and apparatus for chemometric estimations of fluid density, viscosity, dielectric constant, and resistivity from mechanical resonator data
US7162918B2 (en) 2001-05-15 2007-01-16 Baker Hughes Incorporated Method and apparatus for downhole fluid characterization using flexural mechanical resonators
CA2447317C (en) 2001-05-15 2008-01-15 Difoggio Rocco Method and apparatus for downhole fluid characterization using flexural mechanical resonators
DE10148039A1 (de) * 2001-05-29 2002-12-12 Dresdner Druck Und Verlagshaus Verfahren zur Messung der Viskosität einer Flüssigkeit und zum Einstellen des Sollwertes der Viskosität
US7302830B2 (en) 2001-06-06 2007-12-04 Symyx Technologies, Inc. Flow detectors having mechanical oscillators, and use thereof in flow characterization systems
US7043969B2 (en) * 2002-10-18 2006-05-16 Symyx Technologies, Inc. Machine fluid sensor and method
US6873916B2 (en) 2002-10-18 2005-03-29 Symyx Technologies, Inc. Application specific integrated circuitry for controlling analysis of a fluid
AU2003282936A1 (en) * 2002-10-18 2004-05-04 Symyx Technologies, Inc. Environmental control system fluid sensing system and method comprising a sesnsor with a mechanical resonator
US7521257B2 (en) 2003-02-11 2009-04-21 The Board Of Regents Of The Nevada System Of Higher Education On Behalf Of The University Of Nevada, Reno Chemical sensor with oscillating cantilevered probe and mechanical stop
US7260980B2 (en) * 2003-03-11 2007-08-28 Adams Jesse D Liquid cell and passivated probe for atomic force microscopy and chemical sensing
US7721590B2 (en) 2003-03-21 2010-05-25 MEAS France Resonator sensor assembly
WO2004086002A1 (en) * 2003-03-21 2004-10-07 Symyx Technologies, Inc. Resonator sensor assembly
US7158897B2 (en) 2003-03-21 2007-01-02 Symyx Technologies, Inc. Integrated circuitry for controlling analysis of a fluid
EP1558911B1 (de) * 2003-03-21 2008-07-16 Visyx Technologies Inc. Anwendungsspezifische integrierte schaltung zur fluidanalysesteuerung
EP1644717A2 (de) * 2003-03-21 2006-04-12 Symyx Technologies, Inc. Mechanischer resonator
US7581434B1 (en) 2003-09-25 2009-09-01 Rockwell Automation Technologies, Inc. Intelligent fluid sensor for machinery diagnostics, prognostics, and control
US20060257286A1 (en) * 2003-10-17 2006-11-16 Adams Jesse D Self-sensing array of microcantilevers for chemical detection
US8057401B2 (en) 2005-02-24 2011-11-15 Erich Wolf System for transcutaneous monitoring of intracranial pressure
WO2005103674A2 (en) * 2004-04-21 2005-11-03 Symyx Technologies, Inc. Portable fluid sensing system and sensing method using a flexural resonator
WO2005103645A2 (en) * 2004-04-21 2005-11-03 Symyx Technologies, Inc. Flexural resonator sensing device and method
US7258014B2 (en) * 2004-04-23 2007-08-21 Weston Aerospace Limited Device for measuring pressure
US7694346B2 (en) 2004-10-01 2010-04-06 Board Of Regents Of The Nevada System Of Higher Education On Behalf Of The University Of Nevada Cantilevered probe detector with piezoelectric element
US7222671B2 (en) 2004-12-23 2007-05-29 Schlumberger Technology Corporation Apparatus and method for formation evaluation
US7194902B1 (en) 2004-12-23 2007-03-27 Schlumberger Technology Corporation Apparatus and method for formation evaluation
DK1698880T3 (da) 2005-03-04 2012-01-16 Schlumberger Technology Bv Densitets- og viskositetssensor
DE102005062813B4 (de) * 2005-12-27 2009-11-26 Vega Grieshaber Kg Füllstandmessanordnung mit einer Sicherheitsabschaltung bei hohen Temperaturen
DK1804048T3 (da) 2005-12-30 2010-09-06 Sclumberger Technology B V Densitets- og viskositetssensor
KR100931153B1 (ko) * 2006-10-18 2009-12-10 현대자동차주식회사 대칭형 점도 센서
US9536122B2 (en) 2014-11-04 2017-01-03 General Electric Company Disposable multivariable sensing devices having radio frequency based sensors
US9176083B2 (en) 2012-09-28 2015-11-03 General Electric Company Systems and methods for measuring an interface level in a multi-phase fluid composition
US9589686B2 (en) 2006-11-16 2017-03-07 General Electric Company Apparatus for detecting contaminants in a liquid and a system for use thereof
US9658178B2 (en) 2012-09-28 2017-05-23 General Electric Company Sensor systems for measuring an interface level in a multi-phase fluid composition
US9538657B2 (en) 2012-06-29 2017-01-03 General Electric Company Resonant sensor and an associated sensing method
US10914698B2 (en) 2006-11-16 2021-02-09 General Electric Company Sensing method and system
US8845968B2 (en) 2006-12-28 2014-09-30 Highland Biosciences Limited Biosensor
GB0716542D0 (en) 2007-08-24 2007-10-03 Highland Biosciences Ltd Endotoxin biosensor
FR2921726B1 (fr) 2007-10-02 2010-05-21 Fr De Services Soc Procede et systeme pour la determination de la viscosite d'un produit
DE102008054945A1 (de) * 2008-12-19 2010-06-24 Endress + Hauser Gmbh + Co. Kg Vorrichtung zur Bestimmung und/oder Überwachung einer Prozessgröße
PL2246688T3 (pl) 2009-04-29 2012-02-29 Nest Int N V Urządzenie do mierzenia gęstości płynu
EE05570B1 (et) * 2009-08-12 2012-08-15 Tartu Ülikool Meetod ja seade keemilise ja bioloogilise aine kontsentratsiooni ning viskoossuse ja pindpinevuse m??tmiseks
CN102472659B (zh) * 2009-08-14 2014-07-02 恩德莱斯和豪瑟尔两合公司 用于确定和/或监控在容器中的液体的料位和密度和/或粘度的多变量传感器
DE102010002608A1 (de) * 2009-12-29 2011-06-30 Endress + Hauser GmbH + Co. KG, 79689 Vorrichtung zur Bestimmung mindestens einer Prozessgröße
CN101764531B (zh) * 2010-01-28 2012-05-16 南京航空航天大学 多工作模态压电发电机及其发电方法
DE102010028475A1 (de) * 2010-05-03 2011-11-03 Endress + Hauser Gmbh + Co. Kg Verfahren und Vorrichtung zur Bestimmung von Strömungseigenschaften eines Mediums in einer Rohrleitung
US8542023B2 (en) 2010-11-09 2013-09-24 General Electric Company Highly selective chemical and biological sensors
US20120304758A1 (en) * 2011-05-31 2012-12-06 Baker Hughes Incorporated Low-frequency viscosity, density, and viscoelasticity sensor for downhole applications
US9038443B1 (en) * 2011-12-14 2015-05-26 Maria Esther Pace Microfabricated resonant fluid density and viscosity sensor
DE102012100728A1 (de) * 2012-01-30 2013-08-01 Endress + Hauser Gmbh + Co. Kg Vorrichtung zur Bestimmung und/oder Überwachung mindestens einer Prozessgröße
ITTO20120091A1 (it) * 2012-02-03 2013-08-04 Eltek Spa Sensore e metodo per la misura di proprietà di un liquido attraverso un elemento sensore
EP2650668A1 (de) 2012-04-12 2013-10-16 Openfield Dichte- und Viskositätssensor sowie Messverfahren
US10598650B2 (en) 2012-08-22 2020-03-24 General Electric Company System and method for measuring an operative condition of a machine
CN104583664B (zh) 2012-08-22 2018-06-08 通用电气公司 用于测量机器运转状况的无线系统和方法
US10684268B2 (en) 2012-09-28 2020-06-16 Bl Technologies, Inc. Sensor systems for measuring an interface level in a multi-phase fluid composition
WO2014163635A1 (en) * 2013-04-03 2014-10-09 Micro Motion, Inc. Vibratory sensor and method
US9176000B2 (en) 2013-04-15 2015-11-03 General Electric Company System for measurement of fluid levels in multi-phase fluids
EP2811269A1 (de) * 2013-06-06 2014-12-10 VEGA Grieshaber KG Multigrenzstandmessgerät
AT516420B1 (de) * 2014-10-20 2016-11-15 Anton Paar Gmbh Verfahren und Vorrichtung zur Ermittlung der Dichte eines Fluids
CN104502235B (zh) * 2014-12-15 2018-02-16 中国航空工业集团公司北京长城航空测控技术研究所 自闭式油液粘度在线检测传感器及其方法
RU2674559C1 (ru) * 2014-12-19 2018-12-11 Майкро Моушн, Инк. Определение параметра колебательного отклика колебательного элемента
WO2016109447A1 (en) 2014-12-29 2016-07-07 Concentric Meter Corporation Fluid parameter sensor and meter
WO2016109451A1 (en) 2014-12-29 2016-07-07 Concentric Meter Corporation Electromagnetic transducer
US10126266B2 (en) 2014-12-29 2018-11-13 Concentric Meter Corporation Fluid parameter sensor and meter
US10365194B2 (en) 2015-05-01 2019-07-30 Scientific Drilling International, Inc. High temperature densitometer device and steam quality measurement method and device
EP3147645A1 (de) * 2015-09-22 2017-03-29 Avenisense Dichtesensor und dichtesensorherstellungsverfahren
RU169441U1 (ru) * 2016-11-22 2017-03-17 Публичное акционерное общество "Транснефть" (ПАО "Транснефть") Вибрационное устройство для определения параметров среды
RU169442U1 (ru) * 2016-12-12 2017-03-17 Публичное акционерное общество "Транснефть" (ПАО "Транснефть") Устройство для определения плотности нефти с повышенным содержанием парафина
AT520318B1 (de) * 2017-11-06 2019-03-15 Mettler Toledo Gmbh Dichtemessvorrichtung zur Bestimmung der Dichte von fluiden Medien
DE102017130527A1 (de) * 2017-12-19 2019-06-19 Endress+Hauser SE+Co. KG Vibronischer Sensor
CN109142517A (zh) * 2018-09-26 2019-01-04 北京天航佳德科技有限公司 一种测量水中泥沙含量的装置和方法
CN109164253A (zh) * 2018-10-26 2019-01-08 浙江师范大学 一种音叉谐振式血小板收缩力测量装置与方法
EP3948217A1 (de) * 2019-03-25 2022-02-09 Micro Motion, Inc. Vibrationsmessgerät mit spalt
US11397146B2 (en) 2019-06-19 2022-07-26 Pad Peripheral Advanced Design Inc. Vibrational viscosimeter
RU2722470C1 (ru) * 2020-01-31 2020-06-01 Александр Петрович Демченко Датчик вибрационного плотномера (варианты)
DE102021122533A1 (de) * 2021-08-31 2023-03-02 Endress+Hauser SE+Co. KG Vibronischer Multisensor
DE102022115592A1 (de) 2022-06-22 2023-12-28 Endress+Hauser SE+Co. KG Modularer vibronischer Multisensor
DE102022115591A1 (de) 2022-06-22 2023-12-28 Endress+Hauser SE+Co. KG Modularer vibronischer Multisensor
DE102022117169B3 (de) * 2022-07-11 2023-10-12 Vega Grieshaber Kg Vibrationssensor mit Abgleichelement und Verfahren zum Abgleichen der Schwingungseigenschaften zweier Zinken
US12013325B2 (en) 2022-10-25 2024-06-18 Pad Peripheral Advanced Design Inc. Vibrational viscosimeter

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1598084C3 (de) * 1965-12-21 1974-02-21 Basf Ag, 6700 Ludwigshafen Vorrichtung zum kontinuierlichen Bestimmen der Wichte von fließfähigen Stoffen
DE1773815C3 (de) * 1968-07-10 1984-05-30 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Vorrichtung zur Feststellung des Erreichens eines vorbestimmten Füllstands in einem Behälter
GB1349257A (en) * 1970-04-24 1974-04-03 Rotron Inc Mass flow and mass flow rate indication
US4217774A (en) * 1979-01-04 1980-08-19 Joram Agar Apparatus for measuring the value of a fluid variable
GB2067756B (en) * 1980-01-15 1983-11-16 Marconi Co Ltd Liquid level measurement
US4349881A (en) * 1980-07-14 1982-09-14 International Telephone And Telegraph Corporation Vibration instruments
DE3171309D1 (en) * 1981-07-17 1985-08-14 Marconi Co Ltd Liquid-level measurement
JPS59107236A (ja) * 1982-12-13 1984-06-21 Chichibu Cement Co Ltd 粘度測定方法
FR2544496B1 (fr) * 1983-04-15 1985-10-11 Services Sa Ste Fse Viscosimetre a tige vibrante
DE3336991A1 (de) † 1983-10-11 1985-05-02 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Vorrichtung zur feststellung und/oder ueberwachung eines vorbestimmten fuellstands in einem behaelter

Also Published As

Publication number Publication date
GB8805371D0 (en) 1988-04-07
ATE85848T1 (de) 1993-03-15
GB8705757D0 (en) 1987-04-15
JPS63308528A (ja) 1988-12-15
US4922745A (en) 1990-05-08
EP0282251A3 (en) 1989-02-22
DE3878473T3 (de) 2001-06-13
EP0282251B1 (de) 1993-02-17
DE3878473T2 (de) 1993-06-17
EP0282251B2 (de) 2000-12-13
EP0282251A2 (de) 1988-09-14
GB2202944B (en) 1991-07-17
JP2730903B2 (ja) 1998-03-25
GB2202944A (en) 1988-10-05

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8327 Change in the person/name/address of the patent owner

Owner name: SOLARTRON GROUP LTD., FARNBOROUGH, HAMPSHIRE, GB

8366 Restricted maintained after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: SOLARTON MOBREY LTD., CAMBRIDGE, GB

8327 Change in the person/name/address of the patent owner

Owner name: SOLARTRON MOBREY LTD., CAMBRIDGE, GB