DK0975956T3 - Bedømmelse af sammensætningen af væsker - Google Patents

Bedømmelse af sammensætningen af væsker

Info

Publication number
DK0975956T3
DK0975956T3 DK98917387T DK98917387T DK0975956T3 DK 0975956 T3 DK0975956 T3 DK 0975956T3 DK 98917387 T DK98917387 T DK 98917387T DK 98917387 T DK98917387 T DK 98917387T DK 0975956 T3 DK0975956 T3 DK 0975956T3
Authority
DK
Denmark
Prior art keywords
liquid
resonant frequency
composition
electrical circuit
change
Prior art date
Application number
DK98917387T
Other languages
English (en)
Inventor
Peter Alfred Payne
Richard Mark Dowdeswell
Mohammed El Hassan Amrani
Limited Kaiku
Original Assignee
Kaiku 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
Priority claimed from GBGB9707709.3A external-priority patent/GB9707709D0/en
Priority claimed from GBGB9722502.3A external-priority patent/GB9722502D0/en
Priority claimed from GBGB9722821.7A external-priority patent/GB9722821D0/en
Application filed by Kaiku Ltd filed Critical Kaiku Ltd
Application granted granted Critical
Publication of DK0975956T3 publication Critical patent/DK0975956T3/da

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/023—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance where the material is placed in the field of a coil
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/02—Food
    • G01N33/14—Beverages
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18—Water
    • G01N33/1826—Water organic contamination in water
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/26—Oils; viscous liquids; paints; inks
    • G01N33/28—Oils, i.e. hydrocarbon liquids
DK98917387T 1997-04-16 1998-04-16 Bedømmelse af sammensætningen af væsker DK0975956T3 (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GBGB9707709.3A GB9707709D0 (en) 1997-04-16 1997-04-16 Assessing the composition of liquids
GBGB9722502.3A GB9722502D0 (en) 1997-10-25 1997-10-25 Assessing the composition of liquids
GBGB9722821.7A GB9722821D0 (en) 1997-10-30 1997-10-30 Assessing the composition of liquids
PCT/GB1998/001118 WO1998046985A1 (en) 1997-04-16 1998-04-16 Assessing the composition of liquids

Publications (1)

Publication Number Publication Date
DK0975956T3 true DK0975956T3 (da) 2003-02-03

Family

ID=27268812

Family Applications (1)

Application Number Title Priority Date Filing Date
DK98917387T DK0975956T3 (da) 1997-04-16 1998-04-16 Bedømmelse af sammensætningen af væsker

Country Status (9)

Country Link
US (1) US6511851B1 (da)
EP (1) EP0975956B1 (da)
JP (1) JP2001525059A (da)
AT (1) ATE225036T1 (da)
AU (1) AU7062798A (da)
DE (1) DE69808268T2 (da)
DK (1) DK0975956T3 (da)
ES (1) ES2184250T3 (da)
WO (1) WO1998046985A1 (da)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6690181B1 (en) * 1999-01-05 2004-02-10 Kaiku Ltd. Impedance measurements of bodily matter
US6377052B1 (en) 1999-11-03 2002-04-23 Eaton Corporation Monitoring fluid condition through an aperture
GB0003442D0 (en) * 2000-02-16 2000-04-05 Kaiku Ltd Apparatus
JP2003523515A (ja) * 2000-02-16 2003-08-05 カイク・リミテッド 混合流体の一部を隔離する方法
AU2001272723A1 (en) * 2000-07-10 2002-01-21 Ndt Instruments Ltd. Method and apparatus for determining the composition of fluids
US6867603B2 (en) * 2002-12-04 2005-03-15 Delphi Technologies, Inc. Method for measuring high frequency resistance in diesel engine lubrication oil
US6844745B1 (en) * 2003-09-15 2005-01-18 Eaton Corporation Method of determining the fluid condition of diesel engine lubricant during real time operation
US6989680B2 (en) 2004-02-24 2006-01-24 Eaton Corporation Detection of coolant contamination in lubricating fluids
FR2884612B1 (fr) * 2005-04-15 2007-06-15 Alessandro Manneschi Dispositif d'analyse de la composition du contenu d'un recipient
EP1712900B1 (fr) * 2005-04-15 2016-05-11 M. Alessandro Manneschi Dispositif d`analyse de la composition du contenu d`un recipient
WO2008023370A2 (en) * 2006-08-21 2008-02-28 Uri Rapoport A non-destructive on-line method for measuring predetermined physical, electrochemical, chemical or biological state transformation of a substance and a system thereof
US8482298B2 (en) * 2006-12-18 2013-07-09 Schrader Electronics Ltd. Liquid level and composition sensing systems and methods using EMF wave propagation
FR2914997B1 (fr) * 2007-04-12 2017-04-07 Alessandro Manneschi Dispositif d'analyse de la composition du contenu d'un recipient comprenant un recipient d'analyse
NZ598827A (en) * 2009-09-22 2014-03-28 Adem Llc Impedance sensing systems and methods for use in measuring constituents in solid and fluid objects
DE102010028902A1 (de) 2010-05-11 2011-11-17 Fresenius Medical Care Deutschland Gmbh Verfahren und Vorrichtung zur Bestimmung zellulärer und/oder extrazellulärer, insbesondere makromolekularer Anteile von Flüssigkeiten, vorzugsweise von Körperflüssigkeiten von Lebewesen
WO2012037974A1 (en) 2010-09-22 2012-03-29 Delaval Holding Ab Determination of attributes of liquid substances
WO2012105897A1 (en) 2011-02-02 2012-08-09 Delaval Holding Ab Electromagnetic monitoring unit for a liquid substance
US9528814B2 (en) 2011-05-19 2016-12-27 NeoVision, LLC Apparatus and method of using impedance resonance sensor for thickness measurement
US9465089B2 (en) 2011-12-01 2016-10-11 Neovision Llc NMR spectroscopy device based on resonance type impedance (IR) sensor and method of NMR spectra acquisition
US8952708B2 (en) 2011-12-02 2015-02-10 Neovision Llc Impedance resonance sensor for real time monitoring of different processes and methods of using same
US9274071B2 (en) * 2013-12-30 2016-03-01 General Electric Company Methods for assessing cell culture fluid by impedance spectra
US9683954B2 (en) * 2014-01-27 2017-06-20 Sreeram Dhurjaty System and method for non-contact assessment of changes in critical material properties
US11152232B2 (en) 2016-05-26 2021-10-19 Anand Deo Frequency and phase controlled transducers and sensing
US9536758B1 (en) 2016-05-26 2017-01-03 Anand Deo Time-varying frequency powered semiconductor substrate heat source
DE102016122800A1 (de) * 2016-11-25 2018-05-30 Krohne Messtechnik Gmbh Verfahren zum Betreiben eines induktiven Leitfähigkeitsmessgeräts und diesbezügliches induktives Leitfähigkeitsmessgerät
EP3648693B1 (en) * 2017-07-07 2024-04-17 Deo, Anand Medical instrument for in vivo heat source
DE102017131390A1 (de) 2017-12-28 2019-07-04 Kautex Textron Gmbh & Co. Kg Verfahren zum Bestimmen eines Aggregatzustandes einer wässrigen Betriebsflüssigkeit in einem Betriebsflüssigkeitsbehälter für ein Kraftfahrzeug und Betriebsflüssigkeitsbehälter zum Durchführen des Verfahrens
DE102017223853A1 (de) * 2017-12-28 2019-07-04 Kautex Textron Gmbh & Co. Kg Verfahren zum Bestimmen einer Qulitätseigenschaft einer Betriebsflüssigkeit in einem Betriebsflüssigkeitsbehälter für ein Kraftfahrzeug und Betriebsflüssigkeitsbehälter zum Durchführen des Verfahrens
EP3702777B1 (en) * 2019-02-27 2022-01-12 Grundfos Holding A/S Pump device and method for determining the concentration of a substance inside a liquid
US11169104B2 (en) * 2020-01-17 2021-11-09 Southwest Research Institute Simulating use and aging of immersive coolants for electric motors
US11729869B2 (en) 2021-10-13 2023-08-15 Anand Deo Conformable polymer for frequency-selectable heating locations

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1039628B (de) * 1957-11-02 1958-09-25 Habil Karl Slevogt Dr Schaltungsanordnung zur Bestimmung der elektrischen leitfaehigkeit und der Dielektrizitaetskonstanten von Messproben
US3966973A (en) * 1974-08-26 1976-06-29 The Pillsbury Company Process for determining and controlling the moisture of food products
CA1017001A (en) * 1974-10-18 1977-09-06 Sed Systems Ltd. Fluid conductivity detecting means
GB1585067A (en) * 1976-10-19 1981-02-25 Nat Res Dev Detection of bacterial activity
DE3175570D1 (en) 1980-03-08 1986-12-11 Japan Tectron Instr Corp Methods of monitoring micro-organisms and media for culture
JPS5885314A (ja) * 1981-11-17 1983-05-21 Nissan Motor Co Ltd エンジンオイルの劣化検知装置
GB8408529D0 (en) * 1984-04-03 1984-05-16 Health Lab Service Board Concentration of biological particles
US4701713A (en) * 1984-12-20 1987-10-20 Combustion Engineering, Inc. Oil and fuel contamination monitoring system
WO1987003261A1 (en) * 1985-11-29 1987-06-04 The University Of Sheffield Marine biofouling reduction
JPS62218878A (ja) * 1986-03-20 1987-09-26 Hitachi Ltd 電極インピ−ダンスの解析方法及び装置
JPS6453146A (en) * 1987-01-09 1989-03-01 Hitachi Ltd Method and instrument for measuring electrical conductivity of solution and water quality control method
GB8708201D0 (en) * 1987-04-06 1987-05-13 Cogent Ltd Gas sensor
GB8805488D0 (en) 1988-03-08 1988-04-07 Health Lab Service Board Measuring electrical impedance of low conductivity samples
US4885529A (en) * 1988-03-10 1989-12-05 Lee David O Identification of fluids and an interface between fluids by measuring complex impedance
US5119034A (en) * 1989-07-12 1992-06-02 Murata Manufacturing Co., Ltd. Method of measuring dielectric material constants and measuring device employed therefor
EP0552275B1 (en) * 1990-10-12 1998-07-22 WATSON, Keith Moisture and salinity sensor and method of use
US5260665A (en) 1991-04-30 1993-11-09 Ivac Corporation In-line fluid monitor system and method
US5177994A (en) * 1991-05-22 1993-01-12 Suntory Limited And Tokyo Institute Of Technology Odor sensing system
EP0630471A1 (en) * 1992-03-10 1994-12-28 BARNS, Christopher Apparatus for determining the physical and/or chemical properties of a sample, particularly of blood
ATE151174T1 (de) * 1992-07-17 1997-04-15 Du Pont Nachweis eines analyten mittels eines analyt- sensitiven polymers
US5514337A (en) * 1994-01-11 1996-05-07 American Research Corporation Of Virginia Chemical sensor using eddy current or resonant electromagnetic circuit detection
GB9423435D0 (en) * 1994-11-19 1995-01-11 Belford Rona E Solid state ion selective sensors: Conductimetric sensors using A.C. impedance and or admittance techniques as an alternative to potentiometric electrodes
US5612622A (en) 1994-12-28 1997-03-18 Optical Solutions, Inc. Apparatus for identifying particular entities in a liquid using electrical conductivity characteristics
US6028433A (en) * 1997-05-14 2000-02-22 Reid Asset Management Company Portable fluid screening device and method

Also Published As

Publication number Publication date
DE69808268D1 (de) 2002-10-31
DE69808268T2 (de) 2003-06-12
ES2184250T3 (es) 2003-04-01
WO1998046985A1 (en) 1998-10-22
AU7062798A (en) 1998-11-11
ATE225036T1 (de) 2002-10-15
EP0975956A1 (en) 2000-02-02
EP0975956B1 (en) 2002-09-25
JP2001525059A (ja) 2001-12-04
US6511851B1 (en) 2003-01-28

Similar Documents

Publication Publication Date Title
DK0975956T3 (da) Bedømmelse af sammensætningen af væsker
AU7344198A (en) Electrical measurement of oil quality
TW200509455A (en) Method and apparatus for measuring complex dielectric constant of dielectric
DE69739542D1 (de) Sensor unter verwendung von impedanzmessung
NO903975D0 (no) Fase- og amplitudekalibreringsmetode og -innretning for formasjonsanalyseinstrumenter basert paa elektromagnetisk forplantning.
DK0938682T3 (da) Anordning til måling af impedans af impedans af en resonant struktur
FI872721A0 (fi) Saett och anordnig foer volymmaetning.
SE9902594D0 (sv) Metod och anordning vid vätskenivåmätning medelst radarstrålning
FR2812947B1 (fr) Procede et dispositif de mesure de l'attenuation d'une ligne
DE69123973T2 (de) Analytisches verfahren
MY122012A (en) Determining a fluid fraction in an earth formation
DE60112455D1 (de) Vorrichtung und verfahren zur holographischen messung von mikrowellen
EP1437586A4 (en) METHOD AND DEVICE FOR MEASURING A HALF-WAVE VOLTAGE OF A MACH-ZEHNDER-TYPE OPTICAL MODULATOR
ATE241133T1 (de) Verfahren zur erfassung rheologischer materialeigenschaften
DE50301833D1 (de) Mikrowellenvorrichtung zur Qualitätsprüfung von strangförmigen Materialien
RU95108873A (ru) Схема измерения тока
KR20200085445A (ko) 연속파 레이저를 이용한 고 해상도 안개 측정방법 및 이를 이용한 정량화된 안개 발생장치
GB2363461A (en) Method and apparatus for determining a physical or chemical characteristic of a liquid
JPS5689168A (en) Selecting device
WO1999062188A3 (en) Apparatus and method for testing a telecommunications system
DK1088099T3 (da) Fremgangsmåde til bestemmelse af en biologisk aktivitet af mikroorganismer
UA31791C2 (uk) Пристрій для визначення рівнів та меж поділу рідких і сипких середовищ
DE69216827T2 (de) Verfahren und vorrichtung zur bestimmung von phasen- und frequenzabweichung
KR960031998A (ko) 전자식 전력량계의 전력측정방법
DE9414581U1 (de) Vorrichtung zur Volumenmessung von Flüssigkeiten nach Art eines Ringkolbenzählers