JP4732929B2 - 流体中の2種の汚染物の定量検出方法 - Google Patents
流体中の2種の汚染物の定量検出方法 Download PDFInfo
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- JP4732929B2 JP4732929B2 JP2006070483A JP2006070483A JP4732929B2 JP 4732929 B2 JP4732929 B2 JP 4732929B2 JP 2006070483 A JP2006070483 A JP 2006070483A JP 2006070483 A JP2006070483 A JP 2006070483A JP 4732929 B2 JP4732929 B2 JP 4732929B2
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- 239000000356 contaminant Substances 0.000 title claims description 18
- 239000012530 fluid Substances 0.000 title claims description 13
- 238000001514 detection method Methods 0.000 title claims description 9
- 239000000446 fuel Substances 0.000 claims description 18
- 239000000779 smoke Substances 0.000 claims description 18
- 239000004071 soot Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 12
- 239000003344 environmental pollutant Substances 0.000 claims description 9
- 231100000719 pollutant Toxicity 0.000 claims description 9
- 239000003921 oil Substances 0.000 description 57
- 239000010705 motor oil Substances 0.000 description 13
- 238000002485 combustion reaction Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002277 temperature effect Effects 0.000 description 2
- 150000001299 aldehydes Chemical class 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000002925 chemical effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000011197 physicochemical method Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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- 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
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- Immunology (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Description
Claims (10)
- 第1の物理量すなわちオイルの誘電率(ε)および第2の物理量すなわちオイルの粘性(ν)を検出するステップと、
検出された前記誘電率と第1の設定値(10e)との差に基づいて第1の汚染物すなわちオイル中の煤煙および酸化物の量(1,2)を求めるステップと、
該煤煙および酸化物の量に基づいて粘性の推定値(12n)を求めるステップと、
検出された前記粘性(ν)と求められた前記粘性の推定値(12n)との差に基づいて第2の汚染物すなわちオイル中の燃料の量(2)を求めるステップと
を有している
ことを特徴とする流体中の2種の汚染物の定量検出方法。 - 前記検出された誘電率と前記第1の設定値との差の線形依存性により前記煤煙および酸化物の量を求める、請求項1記載の方法。
- 前記煤煙および酸化物の量に対する線形依存性により前記粘性の推定値を求める、請求項1記載の方法。
- 前記第1の設定値(10e)として純粋なオイルの誘電率を求める、請求項1記載の方法。
- 値のテーブルから所定の温度(T 0 )での純粋なオイルの誘電率を読み出す、請求項4記載の方法。
- 第1の物理量すなわちオイルの誘電率(ε)および第2の物理量すなわちオイルの粘性(ν)を検出する検出手段と、
検出された前記誘電率と第1の設定値(10e)との差に基づいて第1の汚染物すなわちオイル中の煤煙および酸化物の量(1,2)を求める第1の汚染物量算出手段と、
該煤煙および酸化物の量に基づいて粘性の推定値(12n)を求める推定手段と、
検出された前記粘性(ν)と求められた前記粘性の推定値(12n)との差に基づいて第2の汚染物すなわちオイル中の燃料の量(2)を求める第2の汚染物量算出手段と
を有する
ことを特徴とする流体中の2種の汚染物の定量検出装置。 - 前記検出された誘電率と前記第1の設定値との差の線形依存性により前記煤煙および酸化物の量が求められる、請求項6記載の装置。
- 前記煤煙および酸化物の量に対する線形依存性により前記粘性の推定値が求められる、請求項6記載の装置。
- 前記第1の設定値(10e)として純粋なオイルの誘電率が求められる、請求項6記載の装置。
- 値のテーブルから所定の温度(T 0 )での純粋なオイルの誘電率が読み出される、請求項9記載の装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005012452A DE102005012452A1 (de) | 2005-03-18 | 2005-03-18 | Verfahren zur quantitiven Erfassung zweier Verunreinigungen in einem Fluid |
DE102005012452.6 | 2005-03-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2006258814A JP2006258814A (ja) | 2006-09-28 |
JP2006258814A5 JP2006258814A5 (ja) | 2009-01-22 |
JP4732929B2 true JP4732929B2 (ja) | 2011-07-27 |
Family
ID=36933861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006070483A Expired - Fee Related JP4732929B2 (ja) | 2005-03-18 | 2006-03-15 | 流体中の2種の汚染物の定量検出方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7275418B2 (ja) |
JP (1) | JP4732929B2 (ja) |
DE (1) | DE102005012452A1 (ja) |
FR (1) | FR2883377B1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005012454A1 (de) * | 2005-03-18 | 2006-09-21 | Robert Bosch Gmbh | Verfahren zur quantitiven Bestimmung eines Alterungseinflusses auf ein Motoröl |
US7614284B2 (en) * | 2007-01-08 | 2009-11-10 | Gm Global Technology Operations, Inc. | Oil life monitoring system for a diesel engine |
JP5055035B2 (ja) * | 2007-06-19 | 2012-10-24 | 三菱重工業株式会社 | オイル劣化検出装置 |
EP2159387A1 (de) * | 2008-09-01 | 2010-03-03 | Pflanzenöltechnik Nord GmbH | Verfahren und Vorrichtung für einen mit aus Pflanzenöl hergestelltem Kraftstoff betriebenen Verbrennungsmotor |
DE102009012446B4 (de) * | 2009-03-12 | 2011-02-24 | Porep Gmbh | Verfahren zur Bestimmung der Viskosität von Kraftstoff/Wasser- und Wasser/Kraftstoff-Emulsionen |
DE102015200933B4 (de) | 2015-01-21 | 2022-04-21 | Bayerische Motoren Werke Aktiengesellschaft | Abwärmenutzung einer Induktivspule |
US10180075B1 (en) | 2017-08-25 | 2019-01-15 | Rolls-Royce Corporation | On-wing component wear analysis with fluid quality sensing |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63168549A (ja) * | 1986-12-22 | 1988-07-12 | フォード モーター カンパニー | エンジンの潤滑油の状態を検出する装置 |
JPH10317936A (ja) * | 1997-05-21 | 1998-12-02 | Nippon Soken Inc | オイルの希釈を抑制する手段を備えた内燃機関 |
JP2002504990A (ja) * | 1997-03-06 | 2002-02-12 | カヴリコ コーポレイション | 容量性オイル劣化汚染センサ |
JP2003114206A (ja) * | 2001-10-03 | 2003-04-18 | Suzuki Motor Corp | エンジン油の劣化判定方法およびその装置 |
JP2003526784A (ja) * | 2000-03-07 | 2003-09-09 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 新規オイルの補給を考慮したエンジンオイルの劣化度を評価するための方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3537820A (en) * | 1966-09-14 | 1970-11-03 | Babcock & Wilcox Co | Method of and apparatus for analyzing a chemical composition |
US5377531A (en) * | 1993-09-30 | 1995-01-03 | Gomm; Nelson R. | Portable oil change analyzer |
US5754055A (en) * | 1996-01-04 | 1998-05-19 | Mission Research Corporation | Lubricating fluid condition monitor |
US5750887A (en) * | 1996-11-18 | 1998-05-12 | Caterpillar Inc. | Method for determining a remaining life of engine oil |
US6286363B1 (en) * | 1998-04-02 | 2001-09-11 | Reliance Electric Technologies, Llc | Integrated multi-element lubrication sensor and health lubricant assessment system |
US6253601B1 (en) * | 1998-12-28 | 2001-07-03 | Cummins Engine Company, Inc. | System and method for determining oil change interval |
US6463796B1 (en) * | 2000-10-12 | 2002-10-15 | The Lubrizol Corporation | Continuous on-board diagnostic lubricant monitoring system and method |
US6901788B2 (en) * | 2003-04-25 | 2005-06-07 | Delphi Technologies, Inc. | Apparatus and method for determining oil change based upon oil viscosity |
US7270141B2 (en) * | 2004-12-02 | 2007-09-18 | Halliburton Energy Services, Inc. | Methods and systems for controlling viscosity in real time |
-
2005
- 2005-03-18 DE DE102005012452A patent/DE102005012452A1/de not_active Withdrawn
-
2006
- 2006-03-15 US US11/376,807 patent/US7275418B2/en not_active Expired - Fee Related
- 2006-03-15 JP JP2006070483A patent/JP4732929B2/ja not_active Expired - Fee Related
- 2006-03-16 FR FR0650886A patent/FR2883377B1/fr not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63168549A (ja) * | 1986-12-22 | 1988-07-12 | フォード モーター カンパニー | エンジンの潤滑油の状態を検出する装置 |
JP2002504990A (ja) * | 1997-03-06 | 2002-02-12 | カヴリコ コーポレイション | 容量性オイル劣化汚染センサ |
JPH10317936A (ja) * | 1997-05-21 | 1998-12-02 | Nippon Soken Inc | オイルの希釈を抑制する手段を備えた内燃機関 |
JP2003526784A (ja) * | 2000-03-07 | 2003-09-09 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 新規オイルの補給を考慮したエンジンオイルの劣化度を評価するための方法 |
JP2003114206A (ja) * | 2001-10-03 | 2003-04-18 | Suzuki Motor Corp | エンジン油の劣化判定方法およびその装置 |
Also Published As
Publication number | Publication date |
---|---|
US7275418B2 (en) | 2007-10-02 |
DE102005012452A1 (de) | 2006-09-21 |
JP2006258814A (ja) | 2006-09-28 |
US20060207315A1 (en) | 2006-09-21 |
FR2883377B1 (fr) | 2013-01-04 |
FR2883377A1 (fr) | 2006-09-22 |
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