JP2004526960A5 - - Google Patents

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Publication number
JP2004526960A5
JP2004526960A5 JP2002572400A JP2002572400A JP2004526960A5 JP 2004526960 A5 JP2004526960 A5 JP 2004526960A5 JP 2002572400 A JP2002572400 A JP 2002572400A JP 2002572400 A JP2002572400 A JP 2002572400A JP 2004526960 A5 JP2004526960 A5 JP 2004526960A5
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JP
Japan
Prior art keywords
electrical
fluid
signal
offset
potential
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JP2002572400A
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English (en)
Japanese (ja)
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JP2004526960A (ja
JP4044846B2 (ja
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Priority claimed from US09/803,299 external-priority patent/US6577112B2/en
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Publication of JP2004526960A5 publication Critical patent/JP2004526960A5/ja
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Publication of JP4044846B2 publication Critical patent/JP4044846B2/ja
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JP2002572400A 2001-03-09 2002-02-25 高度に抵抗性の流体の品質および／または状態のオンラインモニタリングのための方法および装置 Expired - Fee Related JP4044846B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/803,299 US6577112B2 (en) 2001-03-09 2001-03-09 Method and apparatus for on-line monitoring of quality and/or condition of highly resistive fluids
PCT/US2002/005547 WO2002073189A2 (en) 2001-03-09 2002-02-25 Method and apparatus for on-line monitoring of quality and/or condition of highly resistive fluids

Publications (3)

Publication Number Publication Date
JP2004526960A JP2004526960A (ja) 2004-09-02
JP2004526960A5 true JP2004526960A5 (https=) 2005-05-26
JP4044846B2 JP4044846B2 (ja) 2008-02-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002572400A Expired - Fee Related JP4044846B2 (ja) 2001-03-09 2002-02-25 高度に抵抗性の流体の品質および／または状態のオンラインモニタリングのための方法および装置

Country Status (8)

Country Link
US (1) US6577112B2 (https=)
EP (1) EP1368646A2 (https=)
JP (1) JP4044846B2 (https=)
KR (1) KR100937282B1 (https=)
AU (1) AU2002247205B2 (https=)
BR (1) BR0208250A (https=)
CA (1) CA2440242C (https=)
WO (1) WO2002073189A2 (https=)

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US6922064B2 (en) * 2003-06-18 2005-07-26 General Motors Corporation Fluid quality test method based on impedance
US6844745B1 (en) * 2003-09-15 2005-01-18 Eaton Corporation Method of determining the fluid condition of diesel engine lubricant during real time operation
US20050114060A1 (en) * 2003-11-03 2005-05-26 The Lubrizol Corpration On-line fluid monitoring that compensates for a fluid's temperature dependance
US7239155B2 (en) * 2003-11-14 2007-07-03 Impact Technologies Llc Electrochemical impedance measurement system and method for use thereof
US7043372B2 (en) * 2003-11-26 2006-05-09 Eaton Corporation Fluid condition monitoring using broad spectrum impedance spectroscopy
US7049831B2 (en) * 2004-02-16 2006-05-23 Eaton Corporation Fluid quality control using broad spectrum impedance spectroscopy
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US7078910B2 (en) * 2004-03-04 2006-07-18 Eaton Corporation Fluid formulation evaluation and improvement utilizing broad spectrum impedance spectroscopy
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US7259575B2 (en) * 2005-04-08 2007-08-21 The Lubrizol Corporation Method for on-line fuel-dilution monitoring of engine lubricant
JP4746479B2 (ja) * 2005-07-04 2011-08-10 日本特殊陶業株式会社 静電式液体状態検知装置
US7299682B2 (en) * 2005-10-14 2007-11-27 The Lubrizol Corporation Method and apparatus for estimating basicity of a used, all-loss cylinder lubricant
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US10746680B2 (en) * 2006-11-16 2020-08-18 General Electric Company Sensing system and method
US8746045B2 (en) * 2006-11-17 2014-06-10 Meggitt (Orange County), Inc. System and method for identifying fluids and monitoring fluid quality in a vessel
WO2008080108A1 (en) * 2006-12-22 2008-07-03 Paradigm Sensors, Llc Impedance spectroscopy (is) methods and systems for characterizing fuel
JP4992086B2 (ja) * 2007-03-12 2012-08-08 国立大学法人 名古屋工業大学 アルコール飲料の品質評価方法
US20080289399A1 (en) * 2007-05-11 2008-11-27 Flowtonics, Llc Fluid quality sensor
US8007655B2 (en) * 2007-07-24 2011-08-30 Georgia Tech Research Corporation Method and apparatus for measuring properties of weak electrolytic, organic fluids such as hydrocarbon-based fluids
US7729870B2 (en) * 2007-09-05 2010-06-01 Yizhong Sun Methods for detecting oil deterioration and oil level
US8340928B2 (en) 2007-09-05 2012-12-25 Yizhong Sun Sensor and method for detecting oil deterioration and oil level
US20090115436A1 (en) * 2007-11-02 2009-05-07 Koehler Iii Charles J Methods for Determining Fluid Properties
US20090153149A1 (en) * 2007-12-12 2009-06-18 Norberto Hernandez Obstructionless inline flex fuel sensor
US7800379B2 (en) * 2007-12-12 2010-09-21 Delphi Technologies, Inc. Fuel sensor
TWI458980B (zh) * 2008-07-16 2014-11-01 Raydium Semiconductor Corp 連接裝置以及檢測系統
GB201116173D0 (en) * 2011-09-20 2011-11-02 Rolls Royce Plc Oil sensor
GB201204861D0 (en) * 2012-03-20 2012-05-02 Isis Innovation Electrochemical temperature measurement
US9417203B2 (en) 2013-12-05 2016-08-16 Bourns, Inc. Conductive liquid property measurement using multiple charge transfer times
CN106194738A (zh) * 2015-05-08 2016-12-07 丹佛斯（天津）有限公司 监控装置和监控方法
WO2017142553A1 (en) * 2016-02-19 2017-08-24 Hewlett Packard Enterprise Development Lp Electrical frequency response fluid analysis
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US10845356B2 (en) * 2017-12-15 2020-11-24 Exxonmobil Research And Engineering Company Determination of total base number in lubricants
CN109009105B (zh) * 2018-07-26 2021-01-01 北京机械设备研究所 一种头皮脑电传感电极界面材料的性能表征方法
US11726051B2 (en) 2018-10-24 2023-08-15 4T2 Sensors Ltd Apparatus for monitoring a fluid
US11555813B2 (en) * 2019-03-14 2023-01-17 Bvba Dierickx-Tools Apparatus and method for monitoring a condition of metalworking fluid of a metalworking fluid circuit of a metalworking machine
JP7814137B2 (ja) * 2021-10-13 2026-02-16 三菱重工業株式会社 油劣化検出装置、油劣化検出システム及び油劣化検出方法
US12320767B2 (en) 2023-02-06 2025-06-03 Owens-Brockway Glass Container Inc. Gas volume fraction measurement and calibration
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US12523590B1 (en) * 2024-12-12 2026-01-13 Florida Polytechnic University Sensing plastics with electrode sensor to monitor fluid environments

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US6278281B1 (en) 1998-12-23 2001-08-21 Eaton Corporation Fluid condition monitor
US6217745B1 (en) 1999-08-24 2001-04-17 Pennzoil-Quaker State Method for monitoring agents in hydrocarbon fluids

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