ATE85848T1 - Wandler fuer fluessigkeiten. - Google Patents

Wandler fuer fluessigkeiten.

Info

Publication number
ATE85848T1
ATE85848T1 AT88301957T AT88301957T ATE85848T1 AT E85848 T1 ATE85848 T1 AT E85848T1 AT 88301957 T AT88301957 T AT 88301957T AT 88301957 T AT88301957 T AT 88301957T AT E85848 T1 ATE85848 T1 AT E85848T1
Authority
AT
Austria
Prior art keywords
tines
enhance
sensitivity
piezo
housed
Prior art date
Application number
AT88301957T
Other languages
English (en)
Inventor
Mark Jonathan Rudkin
David Ian Heaton Atkinson
Original Assignee
Schlumberger Ind 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=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE85848(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Schlumberger Ind Ltd filed Critical Schlumberger Ind Ltd
Application granted granted Critical
Publication of ATE85848T1 publication Critical patent/ATE85848T1/de

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)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Measuring Volume Flow (AREA)
  • Surgical Instruments (AREA)
  • External Artificial Organs (AREA)
  • Measuring Fluid Pressure (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Sorption Type Refrigeration Machines (AREA)
AT88301957T 1987-03-11 1988-03-07 Wandler fuer fluessigkeiten. ATE85848T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB878705757A GB8705757D0 (en) 1987-03-11 1987-03-11 Fluid transducer
EP88301957A EP0282251B2 (de) 1987-03-11 1988-03-07 Wandler für Flüssigkeiten

Publications (1)

Publication Number Publication Date
ATE85848T1 true ATE85848T1 (de) 1993-03-15

Family

ID=10613757

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88301957T ATE85848T1 (de) 1987-03-11 1988-03-07 Wandler fuer fluessigkeiten.

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)

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US9658178B2 (en) 2012-09-28 2017-05-23 General Electric Company Sensor systems for measuring an interface level in a multi-phase fluid composition
US9536122B2 (en) 2014-11-04 2017-01-03 General Electric Company Disposable multivariable sensing devices having radio frequency based sensors
US8845968B2 (en) 2006-12-28 2014-09-30 Highland Biosciences Limited Biosensor
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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
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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
KR102561211B1 (ko) * 2019-03-25 2023-07-28 마이크로 모우션, 인코포레이티드 갭을 갖는 진동계
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Also Published As

Publication number Publication date
US4922745A (en) 1990-05-08
EP0282251A3 (en) 1989-02-22
GB8705757D0 (en) 1987-04-15
EP0282251B2 (de) 2000-12-13
GB2202944A (en) 1988-10-05
DE3878473T2 (de) 1993-06-17
EP0282251B1 (de) 1993-02-17
GB8805371D0 (en) 1988-04-07
DE3878473D1 (de) 1993-03-25
DE3878473T3 (de) 2001-06-13
EP0282251A2 (de) 1988-09-14
JP2730903B2 (ja) 1998-03-25
GB2202944B (en) 1991-07-17
JPS63308528A (ja) 1988-12-15

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Legal Events

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REN Ceased due to non-payment of the annual fee