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

    • 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
    • G01N27/125—Composition of the body, e.g. the composition of its sensitive layer
    • G01N27/126—Composition of the body, e.g. the composition of its sensitive layer comprising organic polymers
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/002—Inhomogeneous material in general
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/002—Inhomogeneous material in general
    • H01B3/004—Inhomogeneous 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 (xx)

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 (xx) 1977-01-14

Family

ID=25763995

Family Applications (1)

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

Country Status (8)

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

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 (xx) * 1988-04-07 1989-10-19
JPH0227560U (xx) * 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 (xx) * 1971-10-04 1976-09-30 Foerderung Forschung Gmbh

Also Published As

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

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Legal Events

Date Code Title Description
PL Patent ceased