FI20050044A - Apparatus for determining metallic impurity particles of lubricating grease - Google Patents

Apparatus for determining metallic impurity particles of lubricating grease Download PDF

Info

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
Finnish (fi)
Swedish (sv)
Other versions
FI20050044A0 (en
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/en
Publication of FI20050044A0 publication Critical patent/FI20050044A0/en
Priority to PCT/FI2006/000016 priority patent/WO2006075049A1/en
Publication of FI20050044A publication Critical patent/FI20050044A/en

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 Apparatus for determining metallic impurity particles of lubricating grease FI20050044A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20050044A FI20050044A (en) 2005-01-14 2005-01-14 Apparatus for determining metallic impurity particles of lubricating grease
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 (en) 2005-01-14 2005-01-14 Apparatus for determining metallic impurity particles of lubricating grease

Publications (2)

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

Family

ID=34112597

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20050044A FI20050044A (en) 2005-01-14 2005-01-14 Apparatus for determining metallic impurity particles of lubricating grease

Country Status (2)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6834162B2 (en) * 2016-03-28 2021-02-24 東京電力ホールディングス株式会社 Deterioration evaluation method for ultratrace grease
GB201613312D0 (en) 2016-08-02 2016-09-14 Skf Ab Bearing assembly with contamination sensor
CN110567860A (en) * 2019-08-28 2019-12-13 广东工业大学 Novel particle counter and particle counting method
CN112986077B (en) * 2021-02-05 2022-11-29 大连海事大学 Novel bridge oil liquid measuring device for mechanical equipment health monitoring
CN113325047B (en) * 2021-05-14 2022-12-06 大连海事大学 Lubricating oil cleanliness monitoring device based on multi-parameter bridge method
CN113640185A (en) * 2021-08-03 2021-11-12 中国科学院兰州化学物理研究所 Device for rapidly measuring content of ferromagnetic wear particles in lubricating grease

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 (en) * 1993-05-26 1994-12-02 New Cosmos Electric Corp Magnetic powder concentration meter
FI990393A0 (en) * 1999-02-24 1999-02-24 Valtion Teknillinen Method for electromagnetic determination of impurity particles in a sample of lubricating grease

Also Published As

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

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Legal Events

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