ATE94985T1 - Oelleckfuehler. - Google Patents

Oelleckfuehler.

Info

Publication number
ATE94985T1
ATE94985T1 AT88307673T AT88307673T ATE94985T1 AT E94985 T1 ATE94985 T1 AT E94985T1 AT 88307673 T AT88307673 T AT 88307673T AT 88307673 T AT88307673 T AT 88307673T AT E94985 T1 ATE94985 T1 AT E94985T1
Authority
AT
Austria
Prior art keywords
carbon particles
sensor element
electrodes
ptfe
oil leak
Prior art date
Application number
AT88307673T
Other languages
English (en)
Inventor
Tazuru Ishikawa
Yoshiaki Sato
Original Assignee
Junkosha Co Ltd
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 Junkosha Co Ltd filed Critical Junkosha Co Ltd
Application granted granted Critical
Publication of ATE94985T1 publication Critical patent/ATE94985T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid
    • G01M3/045—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection means
    • 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
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
AT88307673T 1987-08-31 1988-08-18 Oelleckfuehler. ATE94985T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62217103A JPS6459149A (en) 1987-08-31 1987-08-31 Oil leak sensor
EP88307673A EP0306183B1 (de) 1987-08-31 1988-08-18 Ölleckfühler

Publications (1)

Publication Number Publication Date
ATE94985T1 true ATE94985T1 (de) 1993-10-15

Family

ID=16698897

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88307673T ATE94985T1 (de) 1987-08-31 1988-08-18 Oelleckfuehler.

Country Status (8)

Country Link
US (1) US4862066A (de)
EP (1) EP0306183B1 (de)
JP (1) JPS6459149A (de)
KR (1) KR910004215B1 (de)
AT (1) ATE94985T1 (de)
AU (1) AU2021488A (de)
DE (1) DE3884321T2 (de)
GB (1) GB2210981A (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0227559U (de) * 1988-08-11 1990-02-22
JPH0279453U (de) * 1988-12-08 1990-06-19
GB2230631B (en) * 1989-04-04 1993-03-03 Gore & Ass A solvent responsive signal-carrying device
JPH0572163A (ja) * 1990-11-30 1993-03-23 Mitsui Mining Co Ltd 半導体式ガスセンサー
JPH04244773A (ja) * 1991-01-29 1992-09-01 Asmo Co Ltd 偏平ヨーク型直流機
US5177996A (en) * 1991-11-21 1993-01-12 W. L. Gore & Associates, Inc. Liquid leak detection cable
US5378995A (en) * 1992-03-05 1995-01-03 Mitsubishi Cable Industries, Ltd. Low molecular weight organic liquid detection sensor in the shape of a wire and detector using this sensor
US5354603A (en) * 1993-01-15 1994-10-11 Minnesota Mining And Manufacturing Company Antifouling/anticorrosive composite marine structure
US5316035A (en) * 1993-02-19 1994-05-31 Fluoroware, Inc. Capacitive proximity monitoring device for corrosive atmosphere environment
DE19708529C1 (de) * 1997-03-03 1998-07-30 Sze Spezial Elektronik Hagenuk Fluidsensor für flüssige und gasförmige organische Verbindungen sowie Verfahren zu seiner Herstellung
US7113069B1 (en) 1999-11-30 2006-09-26 Smiths Detection Inc. Aligned particle based sensor elements
AU3105900A (en) * 1998-12-01 2000-06-19 Cyrano Sciences, Inc. Aligned particle based sensor elements
RU2190844C2 (ru) * 2000-02-25 2002-10-10 Институт радиотехники и электроники РАН (Фрязинское отделение) Датчик утечки жидких нефтепродуктов
TW553385U (en) * 2000-11-24 2003-09-11 Hycom Instr Corp Sensing device to detect the oil contamination on water surface
JP4653319B2 (ja) * 2001-01-23 2011-03-16 エフアイエス株式会社 ガスセンサ
KR100854350B1 (ko) * 2002-06-14 2008-08-26 주식회사 케이아트텍 단추의 초음파 염색기
CN101371364A (zh) 2005-12-03 2009-02-18 泰科热控制有限公司 用于检测有机液体的传感器
JP4859226B2 (ja) * 2006-11-27 2012-01-25 財団法人北九州産業学術推進機構 溶液成分センサ
FI124281B (fi) * 2012-05-02 2014-06-13 Jani Alatainio Vuotoilmaisin
ES2745109T3 (es) 2013-10-15 2020-02-27 1835963 Alberta Ltd Composiciones de elemento de detección y sistema de sensor para detectar y controlar estructura de hidrocarburos
WO2022056824A1 (en) 2020-09-18 2022-03-24 Abb Schweiz Ag Apparatus for determining oil leakage and robot using the apparatus
FR3116897B1 (fr) * 2020-12-02 2023-01-20 Saint Gobain Adfors Systeme de controle pour element de construction et procede de controle correspondant

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT995911B (it) * 1972-10-23 1975-11-20 Perren B Scandaglio per l accertamento di liquidi organici
US4125822A (en) * 1972-10-23 1978-11-14 Benno Perren Probe for determining organic liquids
JPS512490A (de) * 1974-06-25 1976-01-10 Japan Gasoline
US4142400A (en) * 1977-03-07 1979-03-06 Johnson Controls, Inc. Nitrogen dioxide sensing element and method of sensing the presence of nitrogen dioxide
JPS5947256B2 (ja) * 1977-05-25 1984-11-17 株式会社潤工社 流体検知素子
JPS6086945U (ja) * 1983-11-18 1985-06-14 株式会社　潤工社 漏液センサ
US4631952A (en) * 1985-08-30 1986-12-30 Chevron Research Company Resistive hydrocarbon leak detector
JPS6415646A (en) * 1987-07-09 1989-01-19 Junkosha Co Ltd Volatile liquid detecting element and volatile liquid discriminating apparatus

Also Published As

Publication number Publication date
JPS6459149A (en) 1989-03-06
US4862066A (en) 1989-08-29
EP0306183A2 (de) 1989-03-08
DE3884321D1 (de) 1993-10-28
KR890004162A (ko) 1989-04-20
EP0306183B1 (de) 1993-09-22
GB2210981A (en) 1989-06-21
KR910004215B1 (ko) 1991-06-24
GB8819419D0 (en) 1988-09-21
AU2021488A (en) 1989-03-02
EP0306183A3 (en) 1990-05-09
DE3884321T2 (de) 1994-04-28

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