CH583905A5 - - Google Patents

Info

Publication number
CH583905A5
CH583905A5 CH1489573A CH1489573A CH583905A5 CH 583905 A5 CH583905 A5 CH 583905A5 CH 1489573 A CH1489573 A CH 1489573A CH 1489573 A CH1489573 A CH 1489573A CH 583905 A5 CH583905 A5 CH 583905A5
Authority
CH
Switzerland
Application number
CH1489573A
Original Assignee
Perren Benno
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
Priority claimed from DE19722251952 external-priority patent/DE2251952C3/de
Priority claimed from DE19732344778 external-priority patent/DE2344778C3/de
Application filed by Perren Benno filed Critical Perren Benno
Publication of CH583905A5 publication Critical patent/CH583905A5/xx

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12Investigating 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
    • G01N27/125Composition of the body, e.g. the composition of its sensitive layer
    • G01N27/126Composition of the body, e.g. the composition of its sensitive layer comprising organic polymers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/042Investigating 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
    • G01M3/045Investigating 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12Investigating 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/002Inhomogeneous material in general
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/002Inhomogeneous material in general
    • H01B3/004Inhomogeneous material in general with conductive additives or conductive layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
CH1489573A 1972-10-23 1973-10-18 CH583905A5 (https=)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19722251952 DE2251952C3 (de) 1972-10-23 1972-10-23 Sonde zur Feststellung organischer Flüssigkeiten
DE19732344778 DE2344778C3 (de) 1973-09-05 Sonde zur Feststellung organischer Flüssigkeiten

Publications (1)

Publication Number Publication Date
CH583905A5 true CH583905A5 (https=) 1977-01-14

Family

ID=25763995

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1489573A CH583905A5 (https=) 1972-10-23 1973-10-18

Country Status (8)

Country Link
JP (1) JPS4996796A (https=)
AT (1) AT341810B (https=)
CH (1) CH583905A5 (https=)
FR (1) FR2204304A5 (https=)
GB (1) GB1444994A (https=)
IT (1) IT995911B (https=)
NL (1) NL168940C (https=)
SE (1) SE411149B (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6415646A (en) * 1987-07-09 1989-01-19 Junkosha Co Ltd Volatile liquid detecting element and volatile liquid discriminating apparatus
JPS6459149A (en) * 1987-08-31 1989-03-06 Junkosha Co Ltd Oil leak sensor
JPH01151229U (https=) * 1988-04-07 1989-10-19
JPH0227560U (https=) * 1988-08-11 1990-02-22
AT403527B (de) * 1990-03-09 1998-03-25 E & E Elektronik Gmbh Resistiver feuchtigkeitssensor auf der basis eines quellfähigen kunststoffes, sowie verfahren zur herstellung eines resistiven feuchtigkeitssensors
US5417100A (en) * 1993-03-10 1995-05-23 Hughes Aircraft Company Reversible sensor for detecting solvent vapors
US5607573A (en) * 1993-03-10 1997-03-04 Hughes Aircraft Company Method for detecting fugitive emissions
US6422059B1 (en) * 2000-08-01 2002-07-23 Calgon Carbon Corporation Apparatus for detecting changes in concentrations of components of fluid mixtures
JP2005201847A (ja) * 2004-01-19 2005-07-28 Mitsubishi Cable Ind Ltd 低分子量有機液体検知センサ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH580279A5 (https=) * 1971-10-04 1976-09-30 Foerderung Forschung Gmbh

Also Published As

Publication number Publication date
IT995911B (it) 1975-11-20
FR2204304A5 (https=) 1974-05-17
SE411149B (sv) 1979-12-03
JPS4996796A (https=) 1974-09-12
NL168940B (nl) 1981-12-16
AT341810B (de) 1978-02-27
NL7314236A (https=) 1974-04-25
ATA894973A (de) 1977-06-15
NL168940C (nl) 1982-05-17
GB1444994A (en) 1976-08-04

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased