JP7223216B2 - 流体状態検出センサ - Google Patents

流体状態検出センサ Download PDF

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Publication number
JP7223216B2
JP7223216B2 JP2022567432A JP2022567432A JP7223216B2 JP 7223216 B2 JP7223216 B2 JP 7223216B2 JP 2022567432 A JP2022567432 A JP 2022567432A JP 2022567432 A JP2022567432 A JP 2022567432A JP 7223216 B2 JP7223216 B2 JP 7223216B2
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Japan
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unit
electrode
conductivity
calculation unit
voltage value
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Japanese (ja)
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JPWO2022145272A1 (https=
Inventor
瞭平 中村
幸則 亀田
勇冴 永井
尚弘 吉田
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KYB Corp
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KYB Corp
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    • 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
    • G01N27/07—Construction of measuring vessels; Electrodes therefor
    • 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
    • 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
    • G01N27/08—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid which is flowing continuously
    • 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
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/221—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance by investigating the dielectric properties
    • 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

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (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)
  • Measurement Of Resistance Or Impedance (AREA)
JP2022567432A 2020-12-28 2021-12-20 流体状態検出センサ Active JP7223216B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020218839 2020-12-28
JP2020218839 2020-12-28
PCT/JP2021/047016 WO2022145272A1 (ja) 2020-12-28 2021-12-20 流体状態検出センサ

Publications (2)

Publication Number Publication Date
JPWO2022145272A1 JPWO2022145272A1 (https=) 2022-07-07
JP7223216B2 true JP7223216B2 (ja) 2023-02-15

Family

ID=82259308

Family Applications (1)

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JP2022567432A Active JP7223216B2 (ja) 2020-12-28 2021-12-20 流体状態検出センサ

Country Status (5)

Country Link
US (1) US20240060922A1 (https=)
EP (1) EP4269993A4 (https=)
JP (1) JP7223216B2 (https=)
CN (1) CN116783476A (https=)
WO (1) WO2022145272A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120182030A1 (en) 2009-07-21 2012-07-19 Pietro Fiorentini S.P.A. Device for the Measurement of Electrical Properties of Fluids and Method for Measuring Said Electrical Properties
JP2014153272A (ja) 2013-02-12 2014-08-25 Horiba Advanced Techno Co Ltd 液体試料測定セル、比抵抗測定装置、液体試料管理方法及び液体試料管理システム
JP2015025760A (ja) 2013-07-27 2015-02-05 株式会社荻原製作所 流体の導電率兼誘電率測定器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0648407Y2 (ja) * 1989-02-06 1994-12-12 株式会社ユニシアジェックス アルコール濃度測定装置
US5216409A (en) * 1991-09-03 1993-06-01 General Motors Corporation Method and apparatus for detecting a contaminated alcohol-gasoline fuel mixture
JP6739222B2 (ja) 2016-04-27 2020-08-12 Ｋｙｂ株式会社 センサ
JP6401811B2 (ja) * 2017-03-15 2018-10-10 Ｋｙｂ株式会社 流体性状検出装置
GB2613124B (en) * 2018-10-24 2023-09-20 4T2 Sensors Ltd Apparatus for monitoring a fluid

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120182030A1 (en) 2009-07-21 2012-07-19 Pietro Fiorentini S.P.A. Device for the Measurement of Electrical Properties of Fluids and Method for Measuring Said Electrical Properties
JP2014153272A (ja) 2013-02-12 2014-08-25 Horiba Advanced Techno Co Ltd 液体試料測定セル、比抵抗測定装置、液体試料管理方法及び液体試料管理システム
JP2015025760A (ja) 2013-07-27 2015-02-05 株式会社荻原製作所 流体の導電率兼誘電率測定器

Also Published As

Publication number Publication date
WO2022145272A1 (ja) 2022-07-07
JPWO2022145272A1 (https=) 2022-07-07
US20240060922A1 (en) 2024-02-22
CN116783476A (zh) 2023-09-19
EP4269993A1 (en) 2023-11-01
EP4269993A4 (en) 2024-11-27

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