JPH01165457U - - Google Patents

Info

Publication number
JPH01165457U
JPH01165457U JP1988063780U JP6378088U JPH01165457U JP H01165457 U JPH01165457 U JP H01165457U JP 1988063780 U JP1988063780 U JP 1988063780U JP 6378088 U JP6378088 U JP 6378088U JP H01165457 U JPH01165457 U JP H01165457U
Authority
JP
Japan
Prior art keywords
detection section
capacitance detection
capacitance
alcohol sensor
alcohol
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.)
Pending
Application number
JP1988063780U
Other languages
English (en)
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 filed Critical
Priority to JP1988063780U priority Critical patent/JPH01165457U/ja
Priority to KR2019890004560U priority patent/KR910004509Y1/ko
Priority to DE68917199T priority patent/DE68917199T2/de
Priority to EP89108345A priority patent/EP0341675B1/en
Publication of JPH01165457U publication Critical patent/JPH01165457U/ja
Pending 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)

Description

【図面の簡単な説明】
第１図はこの考案の一実施例によるアルコール
センサの断面図、第２図は同上アルコールセンサ
を使用した静電容量測定用ＣＲ発振回路の回路図
、第３図は第２図の静電容量測定用ＣＲ発振回路
のコンデンサによる燃料中のアルコール混合率の
検出原理を説明するための説明図、第４図はこの
考案のアルコールセンサの他の実施例の断面図、
第５図は従来の静電容量測定用ＣＲ発振回路の構
成図、第６図は第５図の静電容量測定用 ＣＲ発
振回路におけるコンデンサの損失が小さくなつた
ときに発振停止する理由を説明するための回路図
である。 １…燃料流路、２…電極層、３…電気絶縁層、
４…電気絶縁部、５ａ，５ｂ…リード線、６…基
板、７…タイマＩＣ、８…抵抗、９…コンデンサ
、１０…電極板。なお、図中の同一番号は同一ま
たは相当部分を示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. 燃料流路内に静電容量検出部を設け、この静電
    容量検出部の静電容量を測定して燃料中のアルコ
    ール混合率を検出するアルコールセンサにおいて
    、前記静電容量検出部を電極層の表面が電気絶縁
    層で覆つて形成されたことを特徴とするアルコー
    ルセンサ。
JP1988063780U 1988-05-12 1988-05-12 Pending JPH01165457U (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1988063780U JPH01165457U (ja) 1988-05-12 1988-05-12
KR2019890004560U KR910004509Y1 (ko) 1988-05-12 1989-04-13 알코올 센서
DE68917199T DE68917199T2 (de) 1988-05-12 1989-05-09 Alkoholfühler.
EP89108345A EP0341675B1 (en) 1988-05-12 1989-05-09 Alcohol sensor

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
JPH01165457U true JPH01165457U (ja) 1989-11-20

Family

ID=13239236

Family Applications (1)

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

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0285356U (ja) * 1988-12-19 1990-07-04

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
MXPA99006487A (es) * 1998-12-04 2004-08-31 Sargent John S Sistema medidor de la densidad de cargavolumetrica.
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
CA2678471A1 (en) * 2007-03-02 2008-09-12 Bartec Gmbh Device and method for detecting a volume while receiving and / or discharging a fluid having a gas portion
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
US11467094B2 (en) 2017-05-17 2022-10-11 University Of Florida Research Foundation, Inc. Methods and sensors for detection
US11480527B2 (en) 2017-12-20 2022-10-25 University Of Florida Research Foundation, Inc. Methods and sensors for detection
WO2019126171A1 (en) 2017-12-21 2019-06-27 University Of Florida Research Foundation Substrates having a broadband antireflection layer and methods of forming a broadband antireflection layer
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 (6)

* 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
JPS56104240A (en) * 1980-01-25 1981-08-19 Hitachi Ltd Mounting apparatus for alcohol sensor
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 (ja) * 1986-04-09 1987-04-16 Testoterm Messtechnik Gmbh & Co, 7825 Lenzkirch, De

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0285356U (ja) * 1988-12-19 1990-07-04

Also Published As

Publication number Publication date
DE68917199D1 (de) 1994-09-08
EP0341675B1 (en) 1994-08-03
EP0341675A2 (en) 1989-11-15
EP0341675A3 (en) 1990-07-04
KR890023432U (ko) 1989-12-02
KR910004509Y1 (ko) 1991-06-29
DE68917199T2 (de) 1994-11-24

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