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DE69808268D1 - Beurteilung der flüssigkeitszusammensetzung - Google Patents

Beurteilung der flüssigkeitszusammensetzung

Info

Publication number
DE69808268D1
DE69808268D1 DE69808268T DE69808268T DE69808268D1 DE 69808268 D1 DE69808268 D1 DE 69808268D1 DE 69808268 T DE69808268 T DE 69808268T DE 69808268 T DE69808268 T DE 69808268T DE 69808268 D1 DE69808268 D1 DE 69808268D1
Authority
DE
Germany
Prior art keywords
liquid
resonant frequency
electrical circuit
composition
change
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 - Fee Related
Application number
DE69808268T
Other languages
English (en)
Other versions
DE69808268T2 (de
Inventor
Limited Manchester Airpo Kaiku
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.)
KAIKA PROCESS SOLUTIONS LTD, CHELMSFORD, ESSEX, GB
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 DE69808268D1 publication Critical patent/DE69808268D1/de
Publication of DE69808268T2 publication Critical patent/DE69808268T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Food Science & Technology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE69808268T 1997-04-16 1998-04-16 Beurteilung der flüssigkeitszusammensetzung Expired - Fee Related DE69808268T2 (de)

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 (2)

Publication Number Publication Date
DE69808268D1 true DE69808268D1 (de) 2002-10-31
DE69808268T2 DE69808268T2 (de) 2003-06-12

Family

ID=27268812

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69808268T Expired - Fee Related DE69808268T2 (de) 1997-04-16 1998-04-16 Beurteilung der flüssigkeitszusammensetzung

Country Status (9)

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

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AU1989100A (en) * 1999-01-05 2000-07-24 Kaiku Limited Impedance measurements of bodily matter
US6377052B1 (en) 1999-11-03 2002-04-23 Eaton Corporation Monitoring fluid condition through an aperture
AU2001237530A1 (en) * 2000-02-16 2001-08-27 Kaiku Limited Method
GB0003442D0 (en) * 2000-02-16 2000-04-05 Kaiku Ltd Apparatus
US6920399B2 (en) * 2000-07-10 2005-07-19 Nanoalert (Israel) 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
EP1712900B1 (de) * 2005-04-15 2016-05-11 M. Alessandro Manneschi Vorrichtung zur Analyse der Zusammensetzung des Inhalts eines Behälters
FR2884612B1 (fr) * 2005-04-15 2007-06-15 Alessandro Manneschi Dispositif d'analyse de la composition du contenu d'un recipient
EP2062178A4 (de) * 2006-08-21 2015-01-07 Uri Rapoport Zerstörungsfreies online-verfahren zur messung vorbestimmter physikalischer, elektrochemischer, chemischer oder biologischer zustandstransformationen einer substanz und system dafür
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
KR101526039B1 (ko) 2009-09-22 2015-06-04 아뎀, 엘엘씨 공진형 임피던스 센서, 임피던스 감지 시스템 및 물체의 화학적 및 물리적 특성을 측정하는 방법
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
DK2619561T3 (en) 2010-09-22 2015-07-13 Delaval Holding Ab Determination of properties 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
WO2019010238A1 (en) * 2017-07-07 2019-01-10 Deo Anand MEDICAL INSTRUMENT FOR HEAT SOURCE IN VIVO
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
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
EP3702777B1 (de) * 2019-02-27 2022-01-12 Grundfos Holding A/S Pumpvorrichtung und verfahren zur bestimmung der konzentration einer substanz in einer flüssigkeit
US11169104B2 (en) * 2020-01-17 2021-11-09 Southwest Research Institute Simulating use and aging of immersive coolants for electric motors
WO2023064873A1 (en) 2021-10-13 2023-04-20 Deo Anand 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
BR8606999A (pt) * 1985-11-29 1987-12-01 Univ Sheffield Processo de prevencao da poluicao biologica maritima e da poluicao por corrosao associada
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 (de) * 1990-10-12 1998-07-22 WATSON, Keith Feuchtigkeits- und salzgehaltssensor und verfahren zum gebrauch
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
AU677001B2 (en) * 1992-03-10 1997-04-10 Christopher Barnes Apparatus for determining the physical and/or chemical properties of a sample, particularly of blood
JPH07509264A (ja) * 1992-07-17 1995-10-12 イー・アイ・デユポン・ドウ・ヌムール・アンド・カンパニー 分析物応答ポリマーによる分析物検出
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
AU7062798A (en) 1998-11-11
JP2001525059A (ja) 2001-12-04
EP0975956B1 (de) 2002-09-25
DE69808268T2 (de) 2003-06-12
ATE225036T1 (de) 2002-10-15
EP0975956A1 (de) 2000-02-02
DK0975956T3 (da) 2003-02-03
WO1998046985A1 (en) 1998-10-22
ES2184250T3 (es) 2003-04-01
US6511851B1 (en) 2003-01-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KAIKA PROCESS SOLUTIONS LTD, CHELMSFORD, ESSEX, GB

8339 Ceased/non-payment of the annual fee