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WO2008156112A1 - オイル劣化検出装置 - Google Patents

オイル劣化検出装置 Download PDF

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Publication number
WO2008156112A1
WO2008156112A1 PCT/JP2008/061144 JP2008061144W WO2008156112A1 WO 2008156112 A1 WO2008156112 A1 WO 2008156112A1 JP 2008061144 W JP2008061144 W JP 2008061144W WO 2008156112 A1 WO2008156112 A1 WO 2008156112A1
Authority
WO
WIPO (PCT)
Prior art keywords
oil
detecting device
oil degradation
pole plates
degradation detecting
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.)
Ceased
Application number
PCT/JP2008/061144
Other languages
English (en)
French (fr)
Inventor
Yo Akiyama
Akihiko Yano
Junichi Kaga
Yoshihiro Deguchi
Taketoshi Yamaura
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to US12/522,529 priority Critical patent/US8421486B2/en
Publication of WO2008156112A1 publication Critical patent/WO2008156112A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
    • G01N2011/006—Determining flow properties indirectly by measuring other parameters of the system
    • G01N2011/0066—Determining flow properties indirectly by measuring other parameters of the system electrical properties

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)

Abstract

より適正なオイル劣化判断を行い得るオイル劣化検出装置並びに該オイル劣化検出装置を備えた回転部または摺動部を持つ機構システムを提供すること。オイル流路（１１）に２枚の極板（２１，２２）を互いに並行して設置して、２枚の極板（２１，２２）間に交流電圧を印加したときに流れる電流を電流計（２４）で計測し、信号処理部（処理部）（３１）により、該極板（２１，２２）間の電圧を電圧計で計測し、電流計（２４）および電圧計（２５）による計測結果に基づいてオイル（１０）の導電率および誘電率を求め、導電率および誘電率に基づきオイル（１０）の劣化を判断する。
PCT/JP2008/061144 2007-06-19 2008-06-18 オイル劣化検出装置 Ceased WO2008156112A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/522,529 US8421486B2 (en) 2007-06-19 2008-06-18 Oil-degradation detecting apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007161651A JP5055035B2 (ja) 2007-06-19 2007-06-19 オイル劣化検出装置
JP2007-161651 2007-06-19

Publications (1)

Publication Number Publication Date
WO2008156112A1 true WO2008156112A1 (ja) 2008-12-24

Family

ID=40156271

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/061144 Ceased WO2008156112A1 (ja) 2007-06-19 2008-06-18 オイル劣化検出装置

Country Status (3)

Country Link
US (1) US8421486B2 (ja)
JP (1) JP5055035B2 (ja)
WO (1) WO2008156112A1 (ja)

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JP5031047B2 (ja) * 2010-01-28 2012-09-19 東レエンジニアリング株式会社 マイクロリアクタのプラグフロー検出装置と方法、およびそれらを用いた気液分離装置と気液分離方法
US9228965B2 (en) * 2010-08-22 2016-01-05 Henny Penny Corporation Systems and methods for single-sensor oil quality measurement
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JP5919936B2 (ja) * 2012-03-23 2016-05-18 株式会社メガチップス 水分検出装置、電気伝導度検出装置、センサネットワークシステム、プログラム、水分検出方法および電気伝導度検出方法
JP6047692B2 (ja) * 2012-03-23 2016-12-21 株式会社メガチップス 水分検出装置、電気伝導度検出装置、センサネットワークシステム、プログラム、水分検出方法および電気伝導度検出方法
JP6140001B2 (ja) 2013-06-21 2017-05-31 三菱重工業株式会社 オイル劣化センサ及びオイル劣化検出方法
KR101534988B1 (ko) * 2013-12-27 2015-07-09 한국해양과학기술원 전극센서를 이용하여 이산화탄소 해양지중저장 파이프라인 내부 유동양식을 파악하는 방법
KR101534987B1 (ko) * 2013-12-27 2015-07-09 한국해양과학기술원 이산화탄소 해양지중저장 파이프라인 내부 유동양식 파악용 전극센서
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JP6795907B2 (ja) 2016-04-27 2020-12-02 Ｋｙｂ株式会社 流体状態検出システム
JP6401811B2 (ja) 2017-03-15 2018-10-10 Ｋｙｂ株式会社 流体性状検出装置
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US11426648B2 (en) 2018-02-14 2022-08-30 Brunswick Bowling Products Llc Contaminant detection/sensing system for bowling lane conditioning machine
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JP7066089B2 (ja) 2018-06-28 2022-05-13 日本ピラー工業株式会社 センサ装置
CN113302411B (zh) * 2019-01-15 2023-04-18 日本精工株式会社 滚动装置的诊断方法
JP2020165841A (ja) * 2019-03-29 2020-10-08 新明和工業株式会社 監視センサ及び水中回転機器
JP2021006781A (ja) * 2019-06-28 2021-01-21 第一実業株式会社 異物検知装置
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JP7534118B2 (ja) * 2020-04-13 2024-08-14 カヤバ株式会社 故障予兆システム
WO2022071164A1 (ja) * 2020-09-29 2022-04-07 日本精工株式会社 油膜の状態検出方法、状態検出装置、およびプログラム
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WO2022145273A1 (ja) 2020-12-28 2022-07-07 Ｋｙｂ株式会社 液体状態検出センサ
JP7731686B2 (ja) * 2021-03-30 2025-09-01 カヤバ株式会社 流体状態検出センサ
JP2023058374A (ja) * 2021-10-13 2023-04-25 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
JP7730928B2 (ja) * 2022-02-07 2025-08-28 日本碍子株式会社 導電率測定方法
WO2023149575A1 (ja) * 2022-02-07 2023-08-10 日本碍子株式会社 導電率センサおよび導電率測定方法
JP7730929B2 (ja) * 2022-02-07 2025-08-28 日本碍子株式会社 導電率測定方法
JPWO2024071272A1 (ja) * 2022-09-30 2024-04-04
DE102023106324A1 (de) * 2023-03-14 2024-09-19 Innio Jenbacher Gmbh & Co Og Verfahren zur Überwachung eines Schmierstoffes eines Verbrennungsmotors
WO2025191711A1 (ja) * 2024-03-13 2025-09-18 日本碍子株式会社 排ガス浄化システム、および、ディーゼルパティキュレートフィルタの再生方法

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010078555A3 (en) * 2009-01-02 2010-10-14 Waveon Technologies, Inc. Capacitive and resistive conductivity engine oil analyzer

Also Published As

Publication number Publication date
US8421486B2 (en) 2013-04-16
JP2009002693A (ja) 2009-01-08
JP5055035B2 (ja) 2012-10-24
US20090315574A1 (en) 2009-12-24

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