CN1125429C - 用于换能器的谐振结构 - Google Patents

用于换能器的谐振结构 Download PDF

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Publication number
CN1125429C
CN1125429C CN99803941A CN99803941A CN1125429C CN 1125429 C CN1125429 C CN 1125429C CN 99803941 A CN99803941 A CN 99803941A CN 99803941 A CN99803941 A CN 99803941A CN 1125429 C CN1125429 C CN 1125429C
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CN
China
Prior art keywords
mass
stiffness
transducer
fluid
vibration
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
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CN99803941A
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English (en)
Chinese (zh)
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CN1292912A (zh
Inventor
约汉·格拉德·加拉格尔
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Hydramotion Ltd
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Hydramotion Ltd
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Publication of CN1292912A publication Critical patent/CN1292912A/zh
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Publication of CN1125429C publication Critical patent/CN1125429C/zh
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G01H1/10—Measuring characteristics of vibrations in solids by using direct conduction to the detector of torsional vibrations

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
CN99803941A 1998-02-12 1999-02-10 用于换能器的谐振结构 Expired - Lifetime CN1125429C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9802907.7A GB9802907D0 (en) 1998-02-12 1998-02-12 Resonant structures for transducers
GB9802907.7 1998-02-12

Publications (2)

Publication Number Publication Date
CN1292912A CN1292912A (zh) 2001-04-25
CN1125429C true CN1125429C (zh) 2003-10-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN99803941A Expired - Lifetime CN1125429C (zh) 1998-02-12 1999-02-10 用于换能器的谐振结构

Country Status (8)

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US (1) US6450013B1 (enExample)
EP (1) EP1053542B1 (enExample)
JP (1) JP4106181B2 (enExample)
CN (1) CN1125429C (enExample)
AU (1) AU2532099A (enExample)
DE (1) DE69907411T2 (enExample)
GB (1) GB9802907D0 (enExample)
WO (1) WO1999041735A1 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6964196B2 (en) * 2002-07-08 2005-11-15 Texas Instruments Incorporated Resonant pivoting surface with inertially coupled activation
KR100587822B1 (ko) * 2004-07-15 2006-06-12 한국항공우주연구원 무중력 환경에서의 관성력과 표준 질량을 이용한 질량측정 시스템 및 방법
DE102005009143A1 (de) * 2005-03-01 2006-09-07 Robert Bosch Gmbh Vorrichtung und Verfahren zur Messung von Eigenschaften eines fluiden Mediums
US20080037363A1 (en) * 2006-08-14 2008-02-14 Michael Joe Brannon Agitation system and method for measuring settling rate of solids from a suspension
KR100931153B1 (ko) * 2006-10-18 2009-12-10 현대자동차주식회사 대칭형 점도 센서
US8347693B2 (en) * 2010-08-26 2013-01-08 Halliburton Energy Services, Inc. Apparatus and methods for continuous compatibility testing of subterranean fluids and their compositions under wellbore conditions
EP2614353B1 (en) * 2010-09-07 2021-11-03 Rheonics GmbH Fluid properties measurement device having a symmetric resonator
US10126266B2 (en) 2014-12-29 2018-11-13 Concentric Meter Corporation Fluid parameter sensor and meter
US9752911B2 (en) 2014-12-29 2017-09-05 Concentric Meter Corporation Fluid parameter sensor and meter
WO2016109451A1 (en) 2014-12-29 2016-07-07 Concentric Meter Corporation Electromagnetic transducer
GB201518986D0 (en) 2015-10-27 2015-12-09 Hydramotion Ltd Method and apparatus for the measurement of fluid properties
EP3214424A1 (en) 2016-03-04 2017-09-06 Buira Nunez, Ernest A detection device, a system and a method for measuring fluid properties including viscosity and/or density
WO2018118011A1 (en) * 2016-12-19 2018-06-28 Rheonics, Inc. Resonant sensors for measuring fluid properties capable of operating at high temperatures and pressures
GB201706734D0 (en) * 2017-04-27 2017-06-14 Hydramotion Ltd Techniques and apparatus for rheological flow measurement
US11709119B2 (en) * 2020-01-06 2023-07-25 Saudi Arabian Oil Company Determining the rheological properties of a fluid through a non-linear response
GB202307930D0 (en) * 2023-05-26 2023-07-12 Hydramotion Ltd Multi-oscillator viscoelastic sensing

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE915792C (de) 1942-03-07 1954-07-29 Atlas Werke Ag Vorrichtung zum Senden und Empfangen von Schallwellen im Wasser oder sonstigen fluessigen Medien, insbesondere auf Schiffen
US3712117A (en) * 1971-01-12 1973-01-23 Nat Metal & Refining Co High precision wide dynamic range viscous loss measuring apparatus
JPS63272300A (ja) 1987-04-30 1988-11-09 Yamaichi Electric Mfg Co Ltd 円方向振動子
JP2768893B2 (ja) 1993-09-06 1998-06-25 山一電機株式会社 共振形検液装置
JP2709282B2 (ja) * 1995-03-13 1998-02-04 山一電機株式会社 振動形検液装置

Also Published As

Publication number Publication date
DE69907411T2 (de) 2004-03-18
EP1053542A1 (en) 2000-11-22
AU2532099A (en) 1999-08-30
GB9802907D0 (en) 1998-04-08
EP1053542B1 (en) 2003-05-02
JP4106181B2 (ja) 2008-06-25
CN1292912A (zh) 2001-04-25
DE69907411D1 (de) 2003-06-05
WO1999041735A1 (en) 1999-08-19
US6450013B1 (en) 2002-09-17
JP2002503819A (ja) 2002-02-05

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Granted publication date: 20031022