FR1224297A - Filaments chauffables électriquement - Google Patents

Filaments chauffables électriquement

Info

Publication number
FR1224297A
FR1224297A FR786861A FR786861A FR1224297A FR 1224297 A FR1224297 A FR 1224297A FR 786861 A FR786861 A FR 786861A FR 786861 A FR786861 A FR 786861A FR 1224297 A FR1224297 A FR 1224297A
Authority
FR
France
Prior art keywords
electrically heatable
heatable filaments
filaments
electrically
heatable
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
FR786861A
Other languages
English (en)
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.)
UK Government
Original Assignee
UK Government
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 UK Government filed Critical UK Government
Application granted granted Critical
Publication of FR1224297A publication Critical patent/FR1224297A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/18—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being embedded in an insulating material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/58—Fabrics or filaments
    • 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
    • G01N27/16—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 burning or catalytic oxidation of surrounding material to be tested, e.g. of gas
    • 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
    • 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
    • H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
    • H01B3/10—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances metallic oxides

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)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Catalysts (AREA)
FR786861A 1958-02-18 1959-02-16 Filaments chauffables électriquement Expired FR1224297A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5224/58A GB892530A (en) 1958-02-18 1958-02-18 Improvements in or relating to electrically heatable filaments

Publications (1)

Publication Number Publication Date
FR1224297A true FR1224297A (fr) 1960-06-23

Family

ID=9792033

Family Applications (1)

Application Number Title Priority Date Filing Date
FR786861A Expired FR1224297A (fr) 1958-02-18 1959-02-16 Filaments chauffables électriquement

Country Status (3)

Country Link
FR (1) FR1224297A (fr)
GB (1) GB892530A (fr)
NL (1) NL236206A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2402206A1 (fr) * 1977-09-02 1979-03-30 Auergesellschaft Gmbh Detecteur de gaz non catalytique et procede de fabrication de ce detecteur

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1461891A (en) 1974-06-05 1977-01-19 Nat Res Dev Detection of carbon monoxide
CA1164944A (fr) 1980-01-02 1984-04-03 International Gas Detectors Limited Elements-sondes de gaz, et methode de fabrication connexe
DE3122662A1 (de) * 1980-06-11 1982-04-01 Mine Safety Appliances Co. Ltd., Reading, Berkshire Elektrisch heizbares element und verfahren zu seiner herstellung
GB2083630B (en) * 1980-09-05 1984-01-18 Nat Res Dev Catalytic combustible gas sensors
GB2121180B (en) * 1982-05-01 1985-07-17 English Electric Valve Co Ltd Catalytic combustible-gas detectors
GB2129134B (en) * 1982-10-13 1985-11-20 English Electric Valve Co Ltd Catalytic combustible-gas detectors
US20150377813A1 (en) * 2014-06-30 2015-12-31 Stmicroelectronics S.R.L. Semiconductor gas sensor device and manufacturing method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2402206A1 (fr) * 1977-09-02 1979-03-30 Auergesellschaft Gmbh Detecteur de gaz non catalytique et procede de fabrication de ce detecteur

Also Published As

Publication number Publication date
NL236206A (fr)
GB892530A (en) 1962-03-28

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