DE69416048T2 - Vorrichtung zur Bestimmung der Verschlechterung der Ölqualität sowie Vorrichtung zur Bestimmung von Teilchen in Flüssigkeiten - Google Patents

Vorrichtung zur Bestimmung der Verschlechterung der Ölqualität sowie Vorrichtung zur Bestimmung von Teilchen in Flüssigkeiten

Info

Publication number
DE69416048T2
DE69416048T2 DE69416048T DE69416048T DE69416048T2 DE 69416048 T2 DE69416048 T2 DE 69416048T2 DE 69416048 T DE69416048 T DE 69416048T DE 69416048 T DE69416048 T DE 69416048T DE 69416048 T2 DE69416048 T2 DE 69416048T2
Authority
DE
Germany
Prior art keywords
determining
liquids
deterioration
oil quality
particles
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
DE69416048T
Other languages
English (en)
Other versions
DE69416048D1 (de
Inventor
Shuji Yamaguchi
Masahiro Tomita
Masaei Nozawa
Yasuyosi Toda
Kiwamu Naito
Yurio Nomura
Rie Osaki
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.)
Denso Corp
Original Assignee
Denso Corp
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 JP20950993A external-priority patent/JPH0763035A/ja
Priority claimed from JP32605593A external-priority patent/JP3346004B2/ja
Application filed by Denso Corp filed Critical Denso Corp
Application granted granted Critical
Publication of DE69416048D1 publication Critical patent/DE69416048D1/de
Publication of DE69416048T2 publication Critical patent/DE69416048T2/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
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/10—Indicating devices; Other safety devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N2200/00—Condition of lubricant
    • F16N2200/02—Oxidation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N2250/00—Measuring
    • F16N2250/34—Transparency; Light; Photo sensor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
    • G01N2021/152—Scraping; Brushing; Moving band
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/55—Specular reflectivity
    • G01N21/552—Attenuated total reflection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE69416048T 1993-07-05 1994-07-04 Vorrichtung zur Bestimmung der Verschlechterung der Ölqualität sowie Vorrichtung zur Bestimmung von Teilchen in Flüssigkeiten Expired - Fee Related DE69416048T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP19200593 1993-07-05
JP20950993A JPH0763035A (ja) 1993-08-24 1993-08-24 オイル劣化検出装置
JP32605593A JP3346004B2 (ja) 1993-07-05 1993-11-29 液中粒子濃度検出装置

Publications (2)

Publication Number Publication Date
DE69416048D1 DE69416048D1 (de) 1999-03-04
DE69416048T2 true DE69416048T2 (de) 1999-07-01

Family

ID=27326549

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69416048T Expired - Fee Related DE69416048T2 (de) 1993-07-05 1994-07-04 Vorrichtung zur Bestimmung der Verschlechterung der Ölqualität sowie Vorrichtung zur Bestimmung von Teilchen in Flüssigkeiten

Country Status (3)

Country Link
US (1) US5548393A (de)
EP (1) EP0635714B1 (de)
DE (1) DE69416048T2 (de)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU7066996A (en) * 1995-11-15 1997-05-22 Arkray, Inc. Liquid detection method and device therefor
US5844668A (en) * 1996-08-28 1998-12-01 Sami Protection window for optical sensors in industrial applications
US5914890A (en) * 1997-10-30 1999-06-22 Caterpillar Inc. Method for determining the condition of engine oil based on soot modeling
KR100303161B1 (ko) * 1998-08-31 2001-10-19 장철주 실시간윤활유오염도측정장치
US6549276B1 (en) * 1998-10-30 2003-04-15 Research Foundation Of State University Of New York Method and apparatus for optical measurement of concentration and temperature of liquids
CA2348541A1 (en) * 1998-10-30 2000-05-11 Jon P. Longtin Method and apparatus for optical measurement of concentration and temperature of liquids
EP1004872A1 (de) * 1998-11-23 2000-05-31 Texas Instruments Incorporated Vorrichtung und Verfahren für die Detektion der Qualität eines Mediums
US6680777B1 (en) 2000-11-13 2004-01-20 Snap-On Technologies, Inc. Automatic transmission fluid tester
DE10116674C2 (de) * 2001-04-04 2003-08-14 Eppendorf Ag Vorrichtung zur Detektion von Fluiden in einem mikrofluidischen Bauteil
US6690452B2 (en) * 2001-04-18 2004-02-10 Paul A. Wilks, Jr. Monitor having a polymer internal reflective element
US6794650B2 (en) * 2001-05-10 2004-09-21 Ensco, Inc. Method and apparatus for monitoring surface condition of a bowling lane
US6768115B2 (en) * 2001-07-20 2004-07-27 Natural Resources Canada Process for on-line monitoring of oxidation or degradation and processability of oil sand ore
WO2003030621A2 (en) * 2001-10-11 2003-04-17 Sentelligence, Inc. Low-cost on-line and in-line spectral sensors based on solid-state source and detector combinations
KR100469870B1 (ko) * 2002-08-02 2005-02-02 한국과학기술연구원 디젤 엔진오일 수트 함량 실시간 측정장치
JP2004150923A (ja) * 2002-10-30 2004-05-27 Atago:Kk 屈折計
US20050007596A1 (en) * 2003-07-11 2005-01-13 Wilks Enterprise, Inc. Apparatus and method for increasing the sensitivity of in-line infrared sensors
US7459713B2 (en) * 2003-08-14 2008-12-02 Microptix Technologies, Llc Integrated sensing system approach for handheld spectral measurements having a disposable sample handling apparatus
US7375813B2 (en) * 2004-10-21 2008-05-20 Eastman Kodak Company Method and system for diffusion attenuated total reflection based concentration sensing
KR20070107759A (ko) * 2005-02-11 2007-11-07 스와겔로크 컴패니 유체 농도 감지 장치
TW200742847A (en) * 2006-05-15 2007-11-16 Syspotek Corp Refractive fuel-concentration detecto
JP4758401B2 (ja) * 2007-07-20 2011-08-31 株式会社日本自動車部品総合研究所 粒子濃度検出装置
DE102007042254A1 (de) * 2007-09-06 2009-04-02 Carl Freudenberg Kg Messvorrichtung und Verfahren zur Analyse des Schmiermittels eines Lagers
US8390817B2 (en) 2008-01-03 2013-03-05 Koninklijke Philips Electronics N.V. Evanescent field modulation in a biosensor
DE202009017711U1 (de) * 2009-12-31 2011-03-03 Kalunka, Daniel Messvorrichtung zur Fluidzustandsänderung
CN101832460B (zh) * 2010-05-21 2012-03-07 朱子新 机器润滑油过滤器滤芯磨屑检测装置
EP2543839A1 (fr) * 2011-07-04 2013-01-09 Inergy Automotive Systems Research (Société Anonyme) Dispositif de mesure de la concentration d'urée
KR101356176B1 (ko) * 2011-08-30 2014-01-28 한국화학연구원 엔진오일열화 감지방법 및 시스템
JP6161867B2 (ja) * 2011-11-17 2017-07-12 株式会社アドバンテスト 滑沢剤の展延解析装置、方法、プログラム、記録媒体
DE102011089703B3 (de) * 2011-12-22 2013-05-23 Continental Automotive Gmbh Optische Messanordnung zur Bestimmung eines Füllstands und/oder einer Konzentration einer Flüssigkeit
JP5886653B2 (ja) * 2012-02-17 2016-03-16 ナブテスコ株式会社 潤滑油劣化センサーおよびそれを備えた機械
ES2455465B1 (es) * 2012-10-15 2015-03-02 Fundación Tekniker Dispositivo sensor optico para determinacion del estado de degradacion de un aceite lubricante en un circuito de lubricacion de una maquina
US8934102B2 (en) * 2013-06-17 2015-01-13 Intellectual Reserves, LLC System and method for determining fluid parameters
DE102013211486A1 (de) * 2013-06-19 2014-12-24 Schaeffler Technologies Gmbh & Co. Kg Schmierstoffsensor
DE102013110011B4 (de) * 2013-09-12 2018-07-12 Gert Horstmeyer Verfahren und Einrichtung zur Analyse von Ölen und technischen Betriebsflüssigkeiten und zur qualifizierten Bewertung der Betriebszustände von Aggregaten
DE102013220456A1 (de) * 2013-10-10 2015-04-16 Schaeffler Technologies AG & Co. KG Sensoreinheit zum Bestimmen von Eigenschaften eines Schmiermittels, Verfahren zu deren Betrieb und Maschinenelement
JP6197760B2 (ja) * 2014-07-23 2017-09-20 トヨタ自動車株式会社 内燃機関のオイル劣化抑制装置
DE102014015396A1 (de) * 2014-10-17 2016-04-21 Daimler Ag Filtereinrichtung für einen Kraftwagen
JP6217674B2 (ja) 2015-03-13 2017-10-25 横河電機株式会社 透過プローブ、光学装置および液浸透過測定方法
US10711668B2 (en) * 2016-01-25 2020-07-14 Ford Global Technologies, Llc Lubrication system monitoring assembly and method
ITUA20161345A1 (it) * 2016-03-04 2017-09-04 Eltek Spa Dispositivo sensore per contenitori di sostanze liquide
JP7412890B2 (ja) * 2019-03-26 2024-01-15 株式会社小松製作所 油圧機器の検査装置、油圧機器の検査システム、作業車両および油圧機器の検査方法
CN110779893B (zh) * 2019-12-31 2020-07-14 湖南楚一机电有限公司 一种折射率的检测方法及其折光仪
CN114188050B (zh) * 2021-12-01 2024-05-07 中国核电工程有限公司 乏燃料溶解器未溶解燃料比率无源监测方法及系统
CN114324827A (zh) * 2021-12-30 2022-04-12 中国人民武装警察部队海警学院 船舶滑油质量动态监测系统
DE102022114935A1 (de) 2022-06-14 2023-12-14 Hamilton Bonaduz Ag Schlanker ATR-Sensor mit Mess- und Referenzsignal

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3049964A (en) * 1959-08-10 1962-08-21 Phillips Petroleum Co Optical oil change indicator
US3669545A (en) * 1971-05-06 1972-06-13 Wilks Scientific Corp Apparatus and method for analysis by attenuated total reflection
US3902807A (en) * 1973-10-25 1975-09-02 Du Pont Method for operating an attenuated total reflection infrared system
US3939457A (en) * 1974-11-07 1976-02-17 Richard Donald Nelson Air filter restriction indicating device
JPS57142546A (en) * 1981-02-28 1982-09-03 Shimadzu Corp Infrared multiple reflection type oil concentration measuring apparatus
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
US4447546A (en) * 1982-08-23 1984-05-08 Myron J. Block Fluorescent immunoassay employing optical fiber in capillary tube
US4602869A (en) * 1983-12-05 1986-07-29 Harrick Nicolas J Internal reflection prism liquid cell
US4699509A (en) * 1984-04-21 1987-10-13 Nippon Soken, Inc. Device for measuring contamination of lubricant
US4675662A (en) * 1984-08-06 1987-06-23 Nippon Soken, Inc. Machine oil deterioration detection
JPS61164144A (ja) * 1985-01-17 1986-07-24 Nissan Motor Co Ltd オイル劣化検知装置
JPS62193549A (ja) * 1986-02-19 1987-08-25 Shikoo Giken:Kk 磁気エンコ−ダ内蔵ｐｍ形ステツピングモ−タ
JPS63266342A (ja) * 1987-04-24 1988-11-02 Komatsu Ltd オイル劣化度検出装置
JPH03111741A (ja) * 1989-09-27 1991-05-13 Nippondenso Co Ltd 光学式センサ
JPH03142349A (ja) * 1989-10-30 1991-06-18 Toyota Motor Corp 潤滑油の劣化検出装置
EP0426884B1 (de) * 1989-11-06 1993-09-08 Kyodo Oil Technical Research Center Co., Ltd. Abnutzungsdetektionsvorrichtung für Schmieröl
US5049742A (en) * 1989-11-16 1991-09-17 Kyodo Oil Technical Research Co., Ltd. Apparatus for detecting deterioration of engine oil
EP0442314A3 (en) * 1990-01-29 1993-12-15 Nippon Denso Co An apparatus for detecting deterioration of the lubricating oil

Also Published As

Publication number Publication date
EP0635714B1 (de) 1999-01-20
US5548393A (en) 1996-08-20
DE69416048D1 (de) 1999-03-04
EP0635714A1 (de) 1995-01-25

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee