DE68917199T2 - Alkoholfühler. - Google Patents

Alkoholfühler.

Info

Publication number
DE68917199T2
DE68917199T2 DE68917199T DE68917199T DE68917199T2 DE 68917199 T2 DE68917199 T2 DE 68917199T2 DE 68917199 T DE68917199 T DE 68917199T DE 68917199 T DE68917199 T DE 68917199T DE 68917199 T2 DE68917199 T2 DE 68917199T2
Authority
DE
Germany
Prior art keywords
electrostatic capacitance
electrode plates
fuel
measuring
electrically insulating
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
DE68917199T
Other languages
German (de)
English (en)
Other versions
DE68917199D1 (de
Inventor
Hiroko Mitsubishi Denk Maekawa
Kenji Mitsubishi Denki K Ogawa
Hiroyoshi Mitsubishi De Suzuki
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 Electric Corp
Original Assignee
Mitsubishi Electric 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
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE68917199D1 publication Critical patent/DE68917199D1/de
Publication of DE68917199T2 publication Critical patent/DE68917199T2/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
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/60—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrostatic variables, e.g. electrographic flaw testing
    • 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
    • G01N33/2835—Specific substances contained in the oils or fuels
    • G01N33/2852—Alcohol in fuels

Landscapes

  • 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)
DE68917199T 1988-05-12 1989-05-09 Alkoholfühler. Expired - Fee Related DE68917199T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988063780U JPH01165457U (OSRAM) 1988-05-12 1988-05-12

Publications (2)

Publication Number Publication Date
DE68917199D1 DE68917199D1 (de) 1994-09-08
DE68917199T2 true DE68917199T2 (de) 1994-11-24

Family

ID=13239236

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68917199T Expired - Fee Related DE68917199T2 (de) 1988-05-12 1989-05-09 Alkoholfühler.

Country Status (4)

Country Link
EP (1) EP0341675B1 (OSRAM)
JP (1) JPH01165457U (OSRAM)
KR (1) KR910004509Y1 (OSRAM)
DE (1) DE68917199T2 (OSRAM)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH079076Y2 (ja) * 1988-12-19 1995-03-06 カルソニック株式会社 燃料センサ
GB9405899D0 (en) * 1994-03-24 1994-05-11 Pima Sensors Inc Gas sensor and sensing device
US6169407B1 (en) 1997-09-02 2001-01-02 Goss Graphics Systems Water content metering apparatus
US6586950B1 (en) 1998-12-04 2003-07-01 John S. Sargent Volume charge density measuring system
WO2000034794A1 (en) * 1998-12-04 2000-06-15 Sargent John S Volume charge density measuring system
US6586949B1 (en) 1999-12-03 2003-07-01 John S. Sargent Volume charge density measuring system
US6716119B1 (en) 2002-11-06 2004-04-06 Pro Performance Sports, Inc. Sports ball striking training device
EP1610119A1 (en) * 2004-06-24 2005-12-28 Ngk Spark Plug Co., Ltd. Capacity type liquid state detecting sensor
DE102006031332B4 (de) * 2006-07-06 2008-03-27 Bartec Gmbh Messvorrichtung zum Nachweis von Fremdstoffen in einer Flüssigkeit
EP2126522B1 (de) 2007-03-02 2016-05-11 BARTEC BENKE GmbH Vorrichtung und verfahren zur mengenerfassung bei der annahme und/oder abgabe einer einen gasanteil aufweisenden flüssigkeit
WO2016137343A1 (en) * 2015-02-23 2016-09-01 Alsemix Sp. Z O.O. Method for determination of ethanol content in fuel for internal combustion engines
JP6739221B2 (ja) * 2016-04-27 2020-08-12 Ｋｙｂ株式会社 センサおよびセンサの製造方法
WO2018035091A1 (en) 2016-08-15 2018-02-22 University Of Florida Research Foundation, Inc. Methods and compositions relating to tunable nanoporous coatings
WO2018213570A2 (en) 2017-05-17 2018-11-22 University Of Florida Research Foundation Methods and sensors for detection
WO2019126245A1 (en) 2017-12-20 2019-06-27 University Of Florida Research Foundation Methods of forming an antireflective layer on a complex substrate and complex substrates having the antireflective layer
WO2019126248A1 (en) 2017-12-20 2019-06-27 University Of Florida Research Foundation Methods and sensors for detection
US11705527B2 (en) 2017-12-21 2023-07-18 University Of Florida Research Foundation, Inc. Substrates having a broadband antireflection layer and methods of forming a broadband antireflection layer
US12258470B2 (en) 2018-02-13 2025-03-25 University Of Florida Research Foundation, Inc. Chromogenic materials, methods of making chromogenic materials, and methods of use
US11819277B2 (en) 2018-06-20 2023-11-21 University Of Florida Research Foundation, Inc. Intraocular pressure sensing material, devices, and uses thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE925621C (de) * 1953-06-14 1955-03-24 Otto Dr Velten Verfahren und Vorrichtung zur selbsttaetigen Anzeige des Taupunktes
GB1570039A (en) * 1977-02-22 1980-06-25 Auburn Int Measurement of phase fractions in flowing fluid
GB2149117A (en) * 1983-11-04 1985-06-05 Anderson Strathclyde Plc Detection of water in oil
US4757252A (en) * 1985-10-25 1988-07-12 Drexelbrook Controls, Inc. Probe system for measuring the condition of materials
DE8609566U1 (de) * 1986-04-09 1987-04-16 Testoterm Meßtechnik GmbH & Co, 7825 Lenzkirch Kapazitive Sonde zur Messung des Flüssigkeitsgehaltes von Gemischen

Also Published As

Publication number Publication date
KR910004509Y1 (ko) 1991-06-29
EP0341675A3 (en) 1990-07-04
JPH01165457U (OSRAM) 1989-11-20
EP0341675B1 (en) 1994-08-03
DE68917199D1 (de) 1994-09-08
KR890023432U (ko) 1989-12-02
EP0341675A2 (en) 1989-11-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee