FI20050044A - Laite voitelurasvan metallisten epäpuhtaushiukkasten määrittämiseksi - Google Patents

Laite voitelurasvan metallisten epäpuhtaushiukkasten määrittämiseksi Download PDF

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Publication number
FI20050044A
FI20050044A FI20050044A FI20050044A FI20050044A FI 20050044 A FI20050044 A FI 20050044A FI 20050044 A FI20050044 A FI 20050044A FI 20050044 A FI20050044 A FI 20050044A FI 20050044 A FI20050044 A FI 20050044A
Authority
FI
Finland
Prior art keywords
lubricating grease
impurity particles
metallic impurity
determining metallic
determining
Prior art date
Application number
FI20050044A
Other languages
English (en)
Swedish (sv)
Other versions
FI20050044A0 (fi
Inventor
Peter Andersson
Original Assignee
Valtion Teknillinen
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 Valtion Teknillinen filed Critical Valtion Teknillinen
Priority to FI20050044A priority Critical patent/FI20050044A/fi
Publication of FI20050044A0 publication Critical patent/FI20050044A0/fi
Priority to PCT/FI2006/000016 priority patent/WO2006075049A1/en
Publication of FI20050044A publication Critical patent/FI20050044A/fi

Links

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
    • G01N33/2835—Specific substances contained in the oils or fuels
    • G01N33/2858—Metal particles
    • 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
    • G01N27/023—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance where the material is placed in the field of a coil

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • 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 Magnetic Means (AREA)
FI20050044A 2005-01-14 2005-01-14 Laite voitelurasvan metallisten epäpuhtaushiukkasten määrittämiseksi FI20050044A (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20050044A FI20050044A (fi) 2005-01-14 2005-01-14 Laite voitelurasvan metallisten epäpuhtaushiukkasten määrittämiseksi
PCT/FI2006/000016 WO2006075049A1 (en) 2005-01-14 2006-01-13 Device for determining metallic contaminant particles in lubricating grease

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20050044A FI20050044A (fi) 2005-01-14 2005-01-14 Laite voitelurasvan metallisten epäpuhtaushiukkasten määrittämiseksi

Publications (2)

Publication Number Publication Date
FI20050044A0 FI20050044A0 (fi) 2005-01-14
FI20050044A true FI20050044A (fi) 2006-07-15

Family

ID=34112597

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20050044A FI20050044A (fi) 2005-01-14 2005-01-14 Laite voitelurasvan metallisten epäpuhtaushiukkasten määrittämiseksi

Country Status (2)

Country Link
FI (1) FI20050044A (fi)
WO (1) WO2006075049A1 (fi)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6834162B2 (ja) * 2016-03-28 2021-02-24 東京電力ホールディングス株式会社 超微量グリースの劣化評価方法
GB201613312D0 (en) 2016-08-02 2016-09-14 Skf Ab Bearing assembly with contamination sensor
CN110567860A (zh) * 2019-08-28 2019-12-13 广东工业大学 新型微粒计数器及微粒计数方法
CN112986077B (zh) * 2021-02-05 2022-11-29 大连海事大学 一种用于机械设备健康监控的新型电桥油液测量装置
CN113325047B (zh) * 2021-05-14 2022-12-06 大连海事大学 一种基于多参数电桥法的润滑油清洁度监测装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4731578A (en) * 1985-05-02 1988-03-15 Aeroquip Corporation Electrical sensing system for measuring ferrous particles within a fluid
JPH06331600A (ja) * 1993-05-26 1994-12-02 New Cosmos Electric Corp 磁性粉濃度計
FI990393A0 (fi) * 1999-02-24 1999-02-24 Valtion Teknillinen Menetelmä metallisten epäpuhtaushiukkasten sähkömagneettiselle määrittämiselle voitelurasvanäytteestä

Also Published As

Publication number Publication date
FI20050044A0 (fi) 2005-01-14
WO2006075049A1 (en) 2006-07-20

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Legal Events

Date Code Title Description
MA Patent expired