DE3472460D1 - Method and apparatus for evaluating the performance of dielectric substances - Google Patents

Method and apparatus for evaluating the performance of dielectric substances

Info

Publication number
DE3472460D1
DE3472460D1 DE8484102243T DE3472460T DE3472460D1 DE 3472460 D1 DE3472460 D1 DE 3472460D1 DE 8484102243 T DE8484102243 T DE 8484102243T DE 3472460 T DE3472460 T DE 3472460T DE 3472460 D1 DE3472460 D1 DE 3472460D1
Authority
DE
Germany
Prior art keywords
evaluating
performance
dielectric substances
dielectric
substances
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
Application number
DE8484102243T
Other languages
English (en)
Inventor
Takayuki Kato
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.)
Toyota Central R&D Labs Inc
Original Assignee
Toyota Central R&D Labs Inc
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 JP3638483A external-priority patent/JPS59162443A/ja
Priority claimed from JP3721083A external-priority patent/JPS59162444A/ja
Priority claimed from JP58042978A external-priority patent/JPS59168322A/ja
Priority claimed from JP4297983A external-priority patent/JPS59168351A/ja
Priority claimed from JP4298083A external-priority patent/JPS59168214A/ja
Priority claimed from JP6269183A external-priority patent/JPS59210353A/ja
Priority claimed from JP12141183A external-priority patent/JPS6013252A/ja
Application filed by Toyota Central R&D Labs Inc filed Critical Toyota Central R&D Labs Inc
Application granted granted Critical
Publication of DE3472460D1 publication Critical patent/DE3472460D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01N33/2888—Lubricating oil characteristics, e.g. deterioration
    • 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
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
DE8484102243T 1983-03-04 1984-03-02 Method and apparatus for evaluating the performance of dielectric substances Expired DE3472460D1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP3638483A JPS59162443A (ja) 1983-03-04 1983-03-04 誘電体物質の性能評価装置
JP3721083A JPS59162444A (ja) 1983-03-07 1983-03-07 油の性能測定方法およびその装置
JP58042978A JPS59168322A (ja) 1983-03-14 1983-03-14 潤滑油の測定方法およびその装置
JP4297983A JPS59168351A (ja) 1983-03-14 1983-03-14 潤滑油の性能測定装置
JP4298083A JPS59168214A (ja) 1983-03-14 1983-03-14 エンジンオイルの劣化警報装置
JP6269183A JPS59210353A (ja) 1983-04-08 1983-04-08 潤滑油の性能測定装置
JP12141183A JPS6013252A (ja) 1983-07-04 1983-07-04 潤滑油の性能測定装置

Publications (1)

Publication Number Publication Date
DE3472460D1 true DE3472460D1 (en) 1988-08-04

Family

ID=27564429

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484102243T Expired DE3472460D1 (en) 1983-03-04 1984-03-02 Method and apparatus for evaluating the performance of dielectric substances

Country Status (4)

Country Link
US (1) US4686857A (de)
EP (1) EP0121739B1 (de)
CA (1) CA1239443A (de)
DE (1) DE3472460D1 (de)

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DE19852226B4 (de) * 1998-11-12 2008-09-18 Volker Hartmann Verfahren und Vorrichtung zur Ermittlung einer nachzufüllenden Schmiermittelmenge
US6255954B1 (en) * 1999-01-29 2001-07-03 Reid Asset Management Company Detection of wear-particles and other impurities in industrial or other fluids
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US6535001B1 (en) * 2000-05-01 2003-03-18 Delphi Technologies, Inc Method and device for sensing oil condition
US7057393B2 (en) 2000-12-06 2006-06-06 Massachusetts Institute Of Technology System and method for measuring the dielectric strength of a fluid
AU2002225977A1 (en) * 2000-12-06 2002-06-18 Massachusetts Institute Of Technology System and method for measuring the dielectric strength of a fluid
US6590402B2 (en) * 2001-10-02 2003-07-08 Delphi Technologies, Inc. Engine oil contamination sensor
DE10250523B4 (de) * 2001-10-31 2008-12-11 Ifm Electronic Gmbh Verfahren zur Erfassung der Kapazität bzw. einer Kapazitätsänderung eines kapazitiven Schaltungs- oder Bauelementes
US6938476B2 (en) * 2003-06-25 2005-09-06 Agilent Technologies, Inc. Apparatus and methods for sensing fluid levels
US7049831B2 (en) * 2004-02-16 2006-05-23 Eaton Corporation Fluid quality control using broad spectrum impedance spectroscopy
US7078910B2 (en) * 2004-03-04 2006-07-18 Eaton Corporation Fluid formulation evaluation and improvement utilizing broad spectrum impedance spectroscopy
US7172431B2 (en) * 2004-08-27 2007-02-06 International Business Machines Corporation Electrical connector design and contact geometry and method of use thereof and methods of fabrication thereof
US7814787B2 (en) * 2006-09-20 2010-10-19 Itt Manufacturing Enterprises, Inc. Combined oil level or condition sensor and sight oil level gage
US7777500B2 (en) * 2007-10-05 2010-08-17 Lam Research Corporation Methods for characterizing dielectric properties of parts
US7911213B2 (en) 2007-10-05 2011-03-22 Lam Research Corporation Methods for measuring dielectric properties of parts
EA015038B1 (ru) * 2007-12-26 2011-04-29 Открытое Акционерное Общество "Научно-Исследовательский Технологический Институт" "Нити-Тесар" (Оао "Нити-Тесар") Способ экспресс-контроля напряжения пробоя электроизоляционных жидкостей и устройство для его осуществления
DE102010010749B4 (de) * 2010-03-09 2016-12-22 Wacker Neuson Produktion GmbH & Co. KG Antriebssystem mit Vorrichtung zur Unterbrechung des Betriebs bei drohendem Betriebsstoffmangel sowie Arbeitsgerät und Verfahren
US8042994B1 (en) * 2010-11-08 2011-10-25 Murray F Feller Specific heat meter with improved accuracy
US9103813B2 (en) * 2010-12-28 2015-08-11 Chevron U.S.A. Inc. Processes and systems for characterizing and blending refinery feedstocks
US9347009B2 (en) * 2010-12-28 2016-05-24 Chevron U.S.A. Inc. Processes and systems for characterizing and blending refinery feedstocks
US9140679B2 (en) * 2010-12-28 2015-09-22 Chevron U.S.A. Inc. Process for characterizing corrosivity of refinery feedstocks
US8887556B2 (en) * 2011-02-15 2014-11-18 Michael A. Silveri Amperometric sensor system
JP5705598B2 (ja) 2011-03-09 2015-04-22 Ntn株式会社 モータの診断方法
US8937487B2 (en) * 2011-05-27 2015-01-20 International Business Machines Corporation Correction for stress induced leakage current in dielectric reliability evaluations
US8975901B2 (en) * 2011-10-24 2015-03-10 Hewlett-Packard Development Company, L.P. Measurement device and method thereof
EP2733802B1 (de) 2012-11-14 2016-04-27 ABB Technology AG Betätigungsvorrichtung für eine elektrische schaltanlage
US9885677B2 (en) * 2014-05-23 2018-02-06 Intel Corporation Liquid quality meter apparatus
US9995701B2 (en) * 2014-06-02 2018-06-12 Case Western Reserve University Capacitive sensing apparatuses, systems and methods of making same
US9488612B2 (en) * 2014-06-04 2016-11-08 Infineum International Limited Lubricant test method
JP6476810B2 (ja) * 2014-12-10 2019-03-06 ダイキン工業株式会社 圧縮機の予熱装置
US11175252B2 (en) 2016-01-15 2021-11-16 Case Western Reserve University Dielectric sensing for blood characterization
CN108780056B (zh) 2016-01-15 2022-03-25 凯斯西储大学 用于样品表征的介电感测
CN107588826A (zh) * 2017-09-30 2018-01-16 陈勇 混油界面检测设备
US10866201B2 (en) * 2017-11-29 2020-12-15 Pratt & Whitney Canada Corp. Lubricant debris monitoring system for gas turbine engine
US11408844B2 (en) 2019-04-02 2022-08-09 Case Western Reserve University Dielectric sensing to characterize hemostatic dysfunction
US11774388B2 (en) 2019-04-02 2023-10-03 Case Western Reserve University Dielectric sensing to characterize hemostatic dysfunction
CN114414649A (zh) * 2022-01-24 2022-04-29 三一重机有限公司 液压件磨损检测装置、液压系统磨损检测装置及作业机械

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JPS597220A (ja) * 1982-07-06 1984-01-14 Nissan Motor Co Ltd 静電容量型液量計

Also Published As

Publication number Publication date
EP0121739B1 (de) 1988-06-29
EP0121739A2 (de) 1984-10-17
US4686857A (en) 1987-08-18
EP0121739A3 (en) 1985-03-13
CA1239443A (en) 1988-07-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee