FR1452669A - Pont catharomètre à éléments détecteurs actifs - Google Patents

Pont catharomètre à éléments détecteurs actifs

Info

Publication number
FR1452669A
FR1452669A FR22150A FR22150A FR1452669A FR 1452669 A FR1452669 A FR 1452669A FR 22150 A FR22150 A FR 22150A FR 22150 A FR22150 A FR 22150A FR 1452669 A FR1452669 A FR 1452669A
Authority
FR
France
Prior art keywords
katharometer
bridge
sensing elements
active sensing
active
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
Application number
FR22150A
Other languages
English (en)
Inventor
Bui-Ai Raymond Fieux
Georges Giralt
Robert Lacoste
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.)
Centre National de la Recherche Scientifique CNRS
Original Assignee
Centre National de la Recherche Scientifique CNRS
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 Centre National de la Recherche Scientifique CNRS filed Critical Centre National de la Recherche Scientifique CNRS
Priority to FR22150A priority Critical patent/FR1452669A/fr
Application granted granted Critical
Publication of FR1452669A publication Critical patent/FR1452669A/fr
Priority to US559976A priority patent/US3413837A/en
Priority to GB28480/66A priority patent/GB1091829A/en
Expired 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
    • G01N27/02—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
    • G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
    • G01N27/18—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested
    • G01N27/185—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested using a catharometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Control Of Temperature (AREA)
FR22150A 1965-06-24 1965-06-24 Pont catharomètre à éléments détecteurs actifs Expired FR1452669A (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR22150A FR1452669A (fr) 1965-06-24 1965-06-24 Pont catharomètre à éléments détecteurs actifs
US559976A US3413837A (en) 1965-06-24 1966-06-23 Katharometer bridge
GB28480/66A GB1091829A (en) 1965-06-24 1966-06-24 Improvements relating to katharometers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR22150A FR1452669A (fr) 1965-06-24 1965-06-24 Pont catharomètre à éléments détecteurs actifs

Publications (1)

Publication Number Publication Date
FR1452669A true FR1452669A (fr) 1966-04-15

Family

ID=8582996

Family Applications (1)

Application Number Title Priority Date Filing Date
FR22150A Expired FR1452669A (fr) 1965-06-24 1965-06-24 Pont catharomètre à éléments détecteurs actifs

Country Status (3)

Country Link
US (1) US3413837A (fr)
FR (1) FR1452669A (fr)
GB (1) GB1091829A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5428988A (en) * 1993-12-13 1995-07-04 Trw Vehicle Safety Systems Inc. Leak detector for gas air bag inflator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3075379A (en) * 1957-01-24 1963-01-29 Standard Oil Co Thermal conductivity cell apparatus
US3184953A (en) * 1961-12-27 1965-05-25 Gulf Research Development Co Gas chromatographic apparatus

Also Published As

Publication number Publication date
US3413837A (en) 1968-12-03
GB1091829A (en) 1967-11-22

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