DE69810288T2 - Elektrische messung der ölqualität - Google Patents
Elektrische messung der ölqualitätInfo
- Publication number
- DE69810288T2 DE69810288T2 DE69810288T DE69810288T DE69810288T2 DE 69810288 T2 DE69810288 T2 DE 69810288T2 DE 69810288 T DE69810288 T DE 69810288T DE 69810288 T DE69810288 T DE 69810288T DE 69810288 T2 DE69810288 T2 DE 69810288T2
- Authority
- DE
- Germany
- Prior art keywords
- oil
- oil quality
- electrical measurement
- amplitude
- output signal
- 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
Links
- 238000005259 measurement Methods 0.000 title 1
- 239000013078 crystal Substances 0.000 abstract 1
- 230000001419 dependent effect Effects 0.000 abstract 1
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
- 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
-
- 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
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/221—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance by investigating the dielectric properties
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Immunology (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- Medicinal Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Food Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Lubricants (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Sampling And Sample Adjustment (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9709290.2A GB9709290D0 (en) | 1997-05-07 | 1997-05-07 | Electrical measurement apparatus for oil |
PCT/GB1998/001321 WO1998050790A1 (en) | 1997-05-07 | 1998-05-07 | Electrical measurement of oil quality |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69810288D1 DE69810288D1 (de) | 2003-01-30 |
DE69810288T2 true DE69810288T2 (de) | 2003-11-06 |
Family
ID=10811955
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE0980522T Pending DE980522T1 (de) | 1997-05-07 | 1998-05-07 | Elektrische messung der ölqualität |
DE69810288T Expired - Lifetime DE69810288T2 (de) | 1997-05-07 | 1998-05-07 | Elektrische messung der ölqualität |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE0980522T Pending DE980522T1 (de) | 1997-05-07 | 1998-05-07 | Elektrische messung der ölqualität |
Country Status (11)
Country | Link |
---|---|
US (1) | US6459995B1 (de) |
EP (1) | EP0980522B1 (de) |
JP (1) | JP2001526781A (de) |
KR (1) | KR20010012375A (de) |
AT (1) | ATE230112T1 (de) |
AU (1) | AU7344198A (de) |
CA (1) | CA2291756A1 (de) |
DE (2) | DE980522T1 (de) |
GB (1) | GB9709290D0 (de) |
WO (1) | WO1998050790A1 (de) |
ZA (1) | ZA983853B (de) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10349741A1 (de) * | 2003-10-23 | 2005-06-02 | Ebro Electronic Gmbh & Co. Kg | Verfahren zum Messen von Fetten oder Ölen sowie entsprechende Filtriereinrichtung und Messvorrichtung |
DE102005050112A1 (de) * | 2005-10-04 | 2007-04-05 | Wimmershoff, Rudolf, Prof. Dr.-Ing. | Diagnose der dielektrischen Alterung ohne den Nachteil von Erdableitströmen an Dielektrika aller Art und jeder geometrischen Größe mittels Verlustfaktormessungen vor Ort mit Frequenzen kleiner als die Frequenz der öffentlichen, elektrischen Versorgungsnetze |
EP2161574A2 (de) | 2008-09-05 | 2010-03-10 | Kleenoil Panolin AG | Messanordnung zum Ermitteln des Ölzustands |
DE102009016642A1 (de) * | 2009-04-07 | 2010-10-14 | Airbus Operations Gmbh | Verschlussvorrichtung, Gehäuseteil eines Schmiermittelbehälters, Diagnosesystem und Diagnoseverfahren zur Überwachung des Betriebszustands eines Schmiermittels in dem Gehäuseteil |
DE102011120321B3 (de) * | 2011-12-06 | 2012-06-28 | Rudolf Wimmershoff | Verfahren und Vorrichtung zur Überwachung der Qualität und der Alterung von elektrischen Isolierstoffen mit Hilfe von Verlustfaktormessungen einschließlich des Kriteriums der Durchschlagspannungen |
DE102011053407A1 (de) * | 2011-09-08 | 2013-03-14 | Beko Technologies Gmbh | Füllstandsüberwachung |
DE102012020520A1 (de) | 2012-08-03 | 2014-02-06 | Hochschule Coburg | Verfahren zur Quantifizierung der Oxidationsstabilität eines Kraftstoffs |
DE102018000079A1 (de) * | 2018-01-08 | 2019-07-11 | Hydac Electronic Gmbh | Sensorvorrichtung |
Families Citing this family (95)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6278281B1 (en) | 1998-12-23 | 2001-08-21 | Eaton Corporation | Fluid condition monitor |
ATE469349T1 (de) | 1999-04-22 | 2010-06-15 | Ebro Electronic Gmbh & Co Kg | Vorrichtung zum messen des zustands von ölen und fetten |
FR2803038B1 (fr) * | 1999-12-24 | 2002-08-02 | Sc2N Sa | Capteur d'usure d'huile |
US6553812B2 (en) * | 2000-05-02 | 2003-04-29 | Kavlico Corporation | Combined oil quality and viscosity sensing system |
KR100345436B1 (ko) * | 2000-06-29 | 2002-07-26 | 주식회사 유니크 | 차량용 엔진오일의 열화상태 측정용 코일형 센서 |
US6575045B2 (en) * | 2001-07-23 | 2003-06-10 | Coso Operating Co., Llc | Apparatus and method for measuring enthalpy and flow rate of a mixture |
EP1439386A4 (de) * | 2001-09-28 | 2005-01-19 | Ngk Spark Plug Co | Ölverschlechterungssensor |
DE50111815D1 (de) * | 2001-10-19 | 2007-02-15 | Festo Ag & Co | Wartungsgerät sowie Verbrauchsmittel und kapazitiver Sensor hierfür |
US6772802B2 (en) * | 2001-10-29 | 2004-08-10 | Norco Industries Inc. | Fluid servicing apparatus with integrated manifold and pump assembly |
US6830082B2 (en) * | 2001-10-29 | 2004-12-14 | Norco Industries, Inc. | Fluid servicing apparatus with dielectric sensing control system |
EP1474676A4 (de) * | 2001-12-20 | 2005-03-09 | Prec Instr Corp | Online-ölzustandssensorsystem für dreh- und pendelmaschinen |
US6634113B1 (en) * | 2002-05-17 | 2003-10-21 | Delphi Technologies, Inc. | Tilt sensor and method of forming such device |
KR100444687B1 (ko) * | 2002-07-25 | 2004-08-18 | 현대자동차주식회사 | 엔진오일 내의 연료혼입량 측정방법 |
US6891383B2 (en) * | 2003-08-27 | 2005-05-10 | Delphi Technologies, Inc. | Soot detector for engine oil |
US6989676B2 (en) * | 2003-01-13 | 2006-01-24 | Delphi Technologies, Inc. | Apparatus and method for sensing particle and water concentrations in a medium |
EP1439388A1 (de) * | 2003-01-20 | 2004-07-21 | Ecole Polytechnique Fédérale de Lausanne (EPFL) | Vorrichtung zur Messung der Qualität und/oder der Zersetzung einer Flüssigkeit, insbesondere von Speiseöl |
US6775626B1 (en) * | 2003-02-28 | 2004-08-10 | Cummins, Inc. | System for automatically selecting an oil pressure sensor processing algorithm based on oil pressure sensor type |
GB0305155D0 (en) * | 2003-03-07 | 2003-04-09 | Suisse Electronique Microtech | Detection of water in brake fluid |
US7721590B2 (en) | 2003-03-21 | 2010-05-25 | MEAS France | Resonator sensor assembly |
US7788048B2 (en) * | 2003-04-24 | 2010-08-31 | Hewlett-Packard Development Company, L.P. | Apparatus and method for integrating a fuel supply and a fuel level sensing pressure sensor |
US6922064B2 (en) * | 2003-06-18 | 2005-07-26 | General Motors Corporation | Fluid quality test method based on impedance |
JP2005055198A (ja) * | 2003-08-05 | 2005-03-03 | Deli System Planning Co Ltd | 油脂劣化検知器およびフライヤ |
US7239155B2 (en) * | 2003-11-14 | 2007-07-03 | Impact Technologies Llc | Electrochemical impedance measurement system and method for use thereof |
DE102005000814A1 (de) * | 2004-01-06 | 2005-07-28 | NGK Spark Plug Co., Ltd., Nagoya | Flüssigkeitszustands-Messelement und Flüssigkeitszustands-Messsensor |
US6989680B2 (en) | 2004-02-24 | 2006-01-24 | Eaton Corporation | Detection of coolant contamination in lubricating fluids |
DE102004016957B4 (de) | 2004-04-06 | 2007-05-03 | Testo Ag | Messvorrichtung zum Messen des Zustands von Ölen oder Fetten |
US20050248358A1 (en) * | 2004-05-07 | 2005-11-10 | The Lubrizol Corporation, A Corporation Of The State Of Ohio | Method for on-line monitoring of condition of non-aqueous fluids |
US7862875B2 (en) | 2004-10-04 | 2011-01-04 | Trico Corporation | Flinger disc |
US7541004B2 (en) * | 2004-11-12 | 2009-06-02 | Predict, Inc. | MEMS-based sensor for lubricant analysis |
US7287431B2 (en) * | 2005-04-14 | 2007-10-30 | Honeywell International Inc. | Wireless oil filter sensor |
DE102005020809B3 (de) * | 2005-05-04 | 2006-10-19 | Maschinenfabrik Reinhausen Gmbh | Sensor |
KR100789724B1 (ko) * | 2006-02-14 | 2008-01-02 | 한국과학기술연구원 | 형광빛 측정에 의한 오일 산화도 실시간 모니터링방법 및장치 |
US9116104B2 (en) * | 2006-03-22 | 2015-08-25 | Agar Corporation, Ltd. | Method and apparatus for detecting water in a fluid media |
JP5223125B2 (ja) * | 2006-08-25 | 2013-06-26 | 謙治 佐藤 | 無線タグ型センサ |
US20080060432A1 (en) * | 2006-09-11 | 2008-03-13 | Venture Measurement Company | Capacitance-type material level indication |
US7814787B2 (en) * | 2006-09-20 | 2010-10-19 | Itt Manufacturing Enterprises, Inc. | Combined oil level or condition sensor and sight oil level gage |
US8149004B2 (en) | 2007-01-19 | 2012-04-03 | Honeywell International Inc. | Corrosion sensor for monitoring and controlling lubricant acidity |
JP2008275494A (ja) * | 2007-05-01 | 2008-11-13 | Toshiba Corp | 潤滑剤および粘稠性物質の劣化診断方法およびその診断装置 |
US20080289399A1 (en) * | 2007-05-11 | 2008-11-27 | Flowtonics, Llc | Fluid quality sensor |
US20080302606A1 (en) * | 2007-06-08 | 2008-12-11 | Glacier Bay, Inc. | Oil replacement system |
JP5210554B2 (ja) * | 2007-06-25 | 2013-06-12 | 出光興産株式会社 | 潤滑油劣化度の評価方法 |
US8096164B2 (en) | 2008-01-17 | 2012-01-17 | Trico Corporation | Apparatus and methods for management of fluid condition |
US8220671B2 (en) * | 2008-03-12 | 2012-07-17 | Trico Corporation | Lubricant dispenser with nozzle |
DE102008014477B4 (de) | 2008-03-17 | 2018-08-30 | Testo Ag | Vorrichtung zum Messen des Zustands eines Messguts, insbesondere von Ölen oder Fetten |
DE102008018220A1 (de) * | 2008-04-10 | 2009-10-29 | Robert Seuffer Gmbh & Co. Kg | Verfahren und Vorrichtung zur Bestimmung einer Eigenschaft eines dielektrischen Mediums |
USD687923S1 (en) | 2008-06-03 | 2013-08-13 | Trico Corporation | Lubricant dispensing nozzle |
US8147684B2 (en) | 2009-03-27 | 2012-04-03 | Trico Corporation | Apparatus and methods for lubricant filtration and drum pump filtration system |
US8401760B2 (en) * | 2009-07-07 | 2013-03-19 | Honeywell International Inc. | Gas turbine engine oil consumption monitoring system and method |
CN102667458B (zh) * | 2009-11-25 | 2015-04-15 | 出光兴产株式会社 | 润滑油的劣化度测定方法 |
WO2011065340A1 (ja) * | 2009-11-25 | 2011-06-03 | 出光興産株式会社 | 潤滑油の劣化・変質度測定方法及びその測定装置 |
US8370009B2 (en) * | 2009-12-10 | 2013-02-05 | Ab Volvo Penta | System, method, and computer program product for monitoring oil condition |
US8147683B2 (en) | 2010-01-22 | 2012-04-03 | Trico Corporation | Portable lubricant filtration system and method |
WO2012031924A1 (de) * | 2010-09-06 | 2012-03-15 | Siemens Aktiengesellschaft | Verfahren zur überwachung der alterung eines organischen stoffes und messanordnung mit einem kondensator |
US20120256640A1 (en) * | 2011-04-07 | 2012-10-11 | Boris Leonid Sheikman | Apparatus and methods for use in determining the presence of materials entrained within a medium |
JP5895420B2 (ja) * | 2011-09-21 | 2016-03-30 | セイコーエプソン株式会社 | ロボット制御装置、及びロボットシステム |
USD687922S1 (en) | 2012-04-25 | 2013-08-13 | Trico Corporation | Lubricant dispenser |
USD687921S1 (en) | 2012-04-25 | 2013-08-13 | Trico Corporation | Lubricant dispenser |
USD696956S1 (en) | 2012-04-25 | 2014-01-07 | Trico Corporation | Lubricant dispenser |
US9304119B2 (en) | 2012-08-30 | 2016-04-05 | Shell Oil Company | System and method for testing engine lubricants |
MX365760B (es) * | 2013-03-15 | 2019-06-13 | Mastinc | Plataforma de sensor de condicion de fluido multimodal y sistema de la misma. |
US9372178B2 (en) | 2013-03-20 | 2016-06-21 | Eleni Kalogianni | Apparatuses and methods for the measurement of liquid properties and particularly frying oil quality |
CN105340030B (zh) * | 2013-06-28 | 2018-11-16 | 西门子公司 | 感应式充电装置、电动车辆、充电站以及用于感应式充电的方法 |
DE202013006909U1 (de) | 2013-07-31 | 2014-08-04 | Seuffer Gmbh & Co.Kg | Sensorvorrichtung zur Erfassung von Eigenschaften fluider Medien |
JP6177051B2 (ja) * | 2013-08-23 | 2017-08-09 | 株式会社前川製作所 | 固液二相流体の固相率測定装置、冷却システム及び固相率計測方法 |
FR3011903B1 (fr) * | 2013-10-14 | 2016-01-01 | Techlam Sas | Joint flexible pour conduites d'hydrocarbure, procede de detection de fuite dans un tel joint, et systeme de detection de fuite d'hydrocarbure dans un tel joint. |
US9316630B2 (en) * | 2013-11-08 | 2016-04-19 | Sikorsky Aircraft Corporation | Anti-clog and non-metallic debris detector for lubrication system inlet |
US10295119B2 (en) | 2014-06-30 | 2019-05-21 | Canrig Drilling Technology Ltd. | Ruggedized housing |
AU2015284441B2 (en) | 2014-06-30 | 2018-05-24 | Pitco Frialator, Llc | System and method for sensing oil quality |
DE202014103537U1 (de) | 2014-07-30 | 2015-07-31 | Seuffer gmbH & Co. KG | Sensorvorrichtung zur Erfassung von Eigenschaften fluider Medien |
JP6397395B2 (ja) * | 2014-12-30 | 2018-09-26 | ゼネラル・エレクトリック・カンパニイ | 検出方法およびシステム |
FR3032790B1 (fr) * | 2015-02-18 | 2019-06-07 | Institut De Radioprotection Et De Surete Nucleaire | Procede de caracterisation d'un ecoulement diphasique par une sonde capacitive |
CN105158298A (zh) * | 2015-06-03 | 2015-12-16 | 中国人民解放军后勤工程学院 | 一种油液质量检测方法及系统 |
JP6504504B2 (ja) * | 2015-11-06 | 2019-04-24 | 日野自動車株式会社 | オイル物性センサ |
US10175085B2 (en) | 2015-11-13 | 2019-01-08 | CiES, Inc. | Comparative fuel-level detection system |
US9903241B2 (en) | 2015-11-13 | 2018-02-27 | Briggs & Stratton Corporation | Small air-cooled engine assembly with dry sump lubrication system |
US9841394B2 (en) | 2015-11-16 | 2017-12-12 | Pitco Frialator, Inc. | System and method for sensing oil quality |
US10436730B2 (en) | 2015-12-21 | 2019-10-08 | Pitco Frialator, Inc. | System and method for sensing oil quality |
WO2018023013A1 (en) * | 2016-07-28 | 2018-02-01 | Snap-On Incorporated | Method, system, and apparatus for reporting data pertaining to actionable condition of electrical shop tool |
US11175323B2 (en) * | 2017-03-17 | 2021-11-16 | Inficon, Inc. | Process monitoring using crystal with reactance sensor |
DE102017109226A1 (de) | 2017-04-28 | 2018-10-31 | Testo SE & Co. KGaA | Frittieröl- und/oder Frittierfettsensor zur Bestimmung einer Frittieröl- und/oder Frittierfettqualität |
RU2658539C1 (ru) * | 2017-08-18 | 2018-06-21 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Башкирский государственный университет" | Устройство для измерения электрофизических параметров нефти и ее компонентов |
USD854650S1 (en) | 2017-09-15 | 2019-07-23 | Briggs & Stratton Corporation | Oil filter |
JP2019067989A (ja) * | 2017-10-04 | 2019-04-25 | 株式会社日立製作所 | 負荷時タップ切換装置の診断装置、負荷時タップ切換装置の診断方法、変圧器の診断装置 |
DK3528266T3 (da) * | 2018-02-15 | 2021-01-04 | Abb Power Grids Switzerland Ag | Isolering af ikke-væskenedsænkede transformere |
AU2019236214B2 (en) * | 2018-03-16 | 2022-03-31 | Pitco Frialator, Inc. | Fluid top-off detection and control system |
CA3094097C (en) * | 2018-03-16 | 2023-01-03 | Pitco Frialator, Inc. | Filter pan detection and fluid sensor system |
US10823700B2 (en) | 2019-02-15 | 2020-11-03 | Raytheon Technologies Corporation | Active oil debris monitor particle detection and monitoring system |
US11536706B2 (en) | 2019-02-18 | 2022-12-27 | Raytheon Technologies Corporation | Active oil debris monitor phase angle calculation and monitoring system |
US11137383B2 (en) | 2019-02-18 | 2021-10-05 | Raytheon Technologies Corporation | Active oil debris monitor particle detection and monitoring system |
US11035841B2 (en) * | 2019-07-09 | 2021-06-15 | Saudi Arabian Oil Company | Monitoring the performance of protective fluids in downhole tools |
US11156530B2 (en) * | 2019-09-23 | 2021-10-26 | Textron Innovations Inc. | System and method for mechanical system chip detection capability verification |
US11359458B2 (en) | 2020-06-23 | 2022-06-14 | Saudi Arabian Oil Company | Monitoring oil health in subsurface safety valves |
CN111812467B (zh) * | 2020-07-16 | 2023-03-28 | 重庆大学 | 评估油浸式变压器油纸绝缘系统老化状态的方法 |
EP3964703A1 (de) * | 2020-09-02 | 2022-03-09 | Caterpillar Energy Solutions GmbH | Motorschmierölverbrauch und zustandsüberwachung |
US11639771B2 (en) | 2021-02-08 | 2023-05-02 | Saudi Arabian Oil Company | Integrated system and method for automatic rejuvenation of turbine oil for improving equipment reliability |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4064455A (en) | 1976-11-18 | 1977-12-20 | Hopkins Manufacturing Corporation | Fluid condition monitoring system |
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 |
US4806847A (en) * | 1986-12-09 | 1989-02-21 | Caterpillar Inc. | Dielectric liquid level sensor and method |
US5225783A (en) * | 1991-02-18 | 1993-07-06 | Mitsubishi Denki Kabushiki Kaisha | Dielectric constant detection apparatus for fuel |
JPH0572164A (ja) * | 1991-09-10 | 1993-03-23 | Mitsubishi Electric Corp | 燃料の誘電率検知装置 |
US5313168A (en) * | 1991-11-06 | 1994-05-17 | Mitsubishi Denki Kabushiki Kaisha | Apparatus for detecting fuel dielectric constant |
US5260667A (en) * | 1991-12-02 | 1993-11-09 | Intevep, S.A. | Method and apparatus for determining the percentage water condent of oil in water emulsion by specific admittance measurement |
JP3126872B2 (ja) * | 1994-05-12 | 2001-01-22 | 三菱電機株式会社 | 燃料の混合比率検知装置 |
US5604441A (en) * | 1995-03-14 | 1997-02-18 | Detroit Diesel Corporation | In-situ oil analyzer and methods of using same, particularly for continuous on-board analysis of diesel engine lubrication systems |
GB9515506D0 (en) * | 1995-07-28 | 1995-09-27 | Collister Christopher J | Fluid permittivity measurement apparatus and method |
US5642098A (en) * | 1996-04-18 | 1997-06-24 | Oems Corporation | Capacitive oil water emulsion sensor system |
US5929754A (en) * | 1997-12-03 | 1999-07-27 | Kavlico Corporation | High-sensitivity capacitive oil deterioration and level sensor |
-
1997
- 1997-05-07 GB GBGB9709290.2A patent/GB9709290D0/en active Pending
-
1998
- 1998-05-07 WO PCT/GB1998/001321 patent/WO1998050790A1/en not_active Application Discontinuation
- 1998-05-07 KR KR1019997010327A patent/KR20010012375A/ko not_active Application Discontinuation
- 1998-05-07 US US09/423,478 patent/US6459995B1/en not_active Expired - Lifetime
- 1998-05-07 DE DE0980522T patent/DE980522T1/de active Pending
- 1998-05-07 JP JP54785098A patent/JP2001526781A/ja active Pending
- 1998-05-07 CA CA002291756A patent/CA2291756A1/en not_active Abandoned
- 1998-05-07 DE DE69810288T patent/DE69810288T2/de not_active Expired - Lifetime
- 1998-05-07 AU AU73441/98A patent/AU7344198A/en not_active Abandoned
- 1998-05-07 ZA ZA983853A patent/ZA983853B/xx unknown
- 1998-05-07 EP EP98920648A patent/EP0980522B1/de not_active Expired - Lifetime
- 1998-05-07 AT AT98920648T patent/ATE230112T1/de not_active IP Right Cessation
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10349741A1 (de) * | 2003-10-23 | 2005-06-02 | Ebro Electronic Gmbh & Co. Kg | Verfahren zum Messen von Fetten oder Ölen sowie entsprechende Filtriereinrichtung und Messvorrichtung |
US7523646B2 (en) | 2003-10-23 | 2009-04-28 | Ebro Electronics Gmbh & Co. Kg | Filtering and measuring apparatus for oils |
DE102005050112A1 (de) * | 2005-10-04 | 2007-04-05 | Wimmershoff, Rudolf, Prof. Dr.-Ing. | Diagnose der dielektrischen Alterung ohne den Nachteil von Erdableitströmen an Dielektrika aller Art und jeder geometrischen Größe mittels Verlustfaktormessungen vor Ort mit Frequenzen kleiner als die Frequenz der öffentlichen, elektrischen Versorgungsnetze |
DE102005050112B4 (de) * | 2005-10-04 | 2007-09-13 | Wimmershoff, Rudolf, Prof. Dr.-Ing. | Verfahren zur Diagnose der dielektrischen Alterung an Einzelkomponenten von elektrischen Anlagen und Geräten mittels Verlustfaktormessungen mit Frequenzen kleiner als die Frequenz der öffentlichen, elektrischen Versorgungsnetze |
EP2161574A2 (de) | 2008-09-05 | 2010-03-10 | Kleenoil Panolin AG | Messanordnung zum Ermitteln des Ölzustands |
DE102008045794A1 (de) | 2008-09-05 | 2010-03-11 | Kleenoil Panolin Ag | Messanordnung zum Ermitteln des Ölzustands |
DE102009016642A1 (de) * | 2009-04-07 | 2010-10-14 | Airbus Operations Gmbh | Verschlussvorrichtung, Gehäuseteil eines Schmiermittelbehälters, Diagnosesystem und Diagnoseverfahren zur Überwachung des Betriebszustands eines Schmiermittels in dem Gehäuseteil |
US9182079B2 (en) | 2009-04-07 | 2015-11-10 | Airbus Operations Gmbh | Closing device, housing part of a lubricant container, diagnostic system and diagnostic method for monitoring the operating state of a lubricant in the housing part |
DE102011053407A1 (de) * | 2011-09-08 | 2013-03-14 | Beko Technologies Gmbh | Füllstandsüberwachung |
DE102011120321B3 (de) * | 2011-12-06 | 2012-06-28 | Rudolf Wimmershoff | Verfahren und Vorrichtung zur Überwachung der Qualität und der Alterung von elektrischen Isolierstoffen mit Hilfe von Verlustfaktormessungen einschließlich des Kriteriums der Durchschlagspannungen |
DE102012020520A1 (de) | 2012-08-03 | 2014-02-06 | Hochschule Coburg | Verfahren zur Quantifizierung der Oxidationsstabilität eines Kraftstoffs |
WO2014019665A1 (de) | 2012-08-03 | 2014-02-06 | Hochschule Coburg | Verfahren zur quantifizierung der oxidationsstabilität eines kraftstoffs |
DE102012020520B4 (de) | 2012-08-03 | 2024-01-18 | Hochschule Coburg | Verfahren und Messvorrichtung zur Quantifizierung der Oxidationsstabilität eines Kraftstoffs |
DE102018000079A1 (de) * | 2018-01-08 | 2019-07-11 | Hydac Electronic Gmbh | Sensorvorrichtung |
US11226276B2 (en) | 2018-01-08 | 2022-01-18 | Hydac Electronic Gmbh | Sensor apparatus for metal particles in fluids |
Also Published As
Publication number | Publication date |
---|---|
ZA983853B (en) | 1998-12-11 |
EP0980522B1 (de) | 2002-12-18 |
JP2001526781A (ja) | 2001-12-18 |
WO1998050790A1 (en) | 1998-11-12 |
CA2291756A1 (en) | 1998-11-12 |
KR20010012375A (ko) | 2001-02-15 |
ATE230112T1 (de) | 2003-01-15 |
DE69810288D1 (de) | 2003-01-30 |
AU7344198A (en) | 1998-11-27 |
EP0980522A1 (de) | 2000-02-23 |
US6459995B1 (en) | 2002-10-01 |
GB9709290D0 (en) | 1997-06-25 |
DE980522T1 (de) | 2000-09-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE230112T1 (de) | Elektrische messung der ölqualität | |
DE50015930D1 (de) | Vorrichtung zum Messen des Zustands von Ölen und Fetten | |
ES2184250T3 (es) | Evaluacion de la composicion de liquidos. | |
ATE216775T1 (de) | Vorrichtung zum messen der konzentration eines analyten mit ferndosierung | |
CA2083802A1 (en) | Sensor to measure crude-in-water percentage | |
DE69904185D1 (de) | Verfahren und vorrichtung zum messen des zustandes einer elektrophoretischen anzeigevorrichtung | |
ATE125620T1 (de) | Verfahren zum dynamischen kontaktlosen messen einer verschiebungs- oder dielektrizitätskonstanten, mit hilfe eines kapazitiven sensors. | |
DE59608030D1 (de) | Verfahren und vorrichtung zur überprüfung eines sensors | |
SE9902590D0 (sv) | Förfarande och anordning vid mätsystem | |
ATE78917T1 (de) | Verfahren und vorrichtung zum detektieren und messen einer physikalischen groesse. | |
FR2774471B1 (fr) | Element de detection pour un capteur de mesure electrochimique | |
ATE213541T1 (de) | Verfahren und vorrichtung zum elektronischen ausgleich von resonanz-messfehlern in einem kapazitiven druckwandler | |
FR2623906B1 (fr) | Capteur de mesure pour analyseur portable | |
FR2728688B1 (fr) | Circuit de mesure d'amplitude, notamment pour mesurer l'amplitude du signal de sortie d'un capteur inductif | |
DE59812331D1 (de) | Interferometrische messvorrichtung zur formvermessung an rauhen oberflächen | |
SE9701007L (sv) | Förfarande vid en piezoelektrisk kristallmikrovågsmätning | |
WO2001018538A3 (en) | Miscible liquid capacitive sensing system | |
JPS55144557A (en) | Surface potentiometer | |
LV12681A (lv) | Substance quantity level alarm device | |
GB2386196A (en) | Temperature-compensated sensor | |
KR890008730A (ko) | 자동판매기의 경화 선별 장치 | |
FR2657431B1 (fr) | Dispositif de detection de zero pour appareil de mesure notamment une balance electronique. | |
KR970050108U (ko) | 전자악기의 감도측정장치 | |
KR910012245U (ko) | 전자신호가 발생하는 가스소모량 측정장치 | |
RU95104145A (ru) | Способ измерения вибраций |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: PUSCHMANN & BORCHERT, 82041 OBERHACHING |