FR1454765A - Perfectionnements apportés aux détecteurs électriques de vapeurs - Google Patents

Perfectionnements apportés aux détecteurs électriques de vapeurs

Info

Publication number
FR1454765A
FR1454765A FR39298A FR39298A FR1454765A FR 1454765 A FR1454765 A FR 1454765A FR 39298 A FR39298 A FR 39298A FR 39298 A FR39298 A FR 39298A FR 1454765 A FR1454765 A FR 1454765A
Authority
FR
France
Prior art keywords
electrode
dec
ion
vapor detectors
electrical vapor
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
FR39298A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of FR1454765A publication Critical patent/FR1454765A/fr
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
    • G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
    • G01N27/626—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using heat to ionise a gas
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L21/00—Vacuum gauges
    • 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
    • G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
    • 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
    • G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
    • G01N27/68—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using electric discharge to ionise a gas
    • G01N27/70—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using electric discharge to ionise a gas and measuring current or voltage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/19—Halogen containing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Electron Sources, Ion Sources (AREA)
FR39298A 1964-12-04 1965-11-22 Perfectionnements apportés aux détecteurs électriques de vapeurs Expired FR1454765A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US41599764A 1964-12-04 1964-12-04

Publications (1)

Publication Number Publication Date
FR1454765A true FR1454765A (fr) 1966-10-07

Family

ID=23648096

Family Applications (1)

Application Number Title Priority Date Filing Date
FR39298A Expired FR1454765A (fr) 1964-12-04 1965-11-22 Perfectionnements apportés aux détecteurs électriques de vapeurs

Country Status (3)

Country Link
US (1) US3439262A (fr)
FR (1) FR1454765A (fr)
GB (1) GB1130174A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3535088A (en) * 1966-07-01 1970-10-20 Bodenseewerk Perkin Elmer Co Halogen vapor detector
US4117396A (en) * 1974-01-21 1978-09-26 Westinghouse Electric Corp. Sensor for thermally ionizable particles and/or vapors
US3991360A (en) * 1975-05-16 1976-11-09 General Electric Company Sensor assembly for a halogen gas leak detector
US4047101A (en) * 1976-01-08 1977-09-06 Westinghouse Electric Corporation Filament for alkali metal ionization detector
US4095171A (en) * 1976-04-07 1978-06-13 Westinghouse Electric Corp. Alkali metal ionization detector
DE2738608C2 (de) * 1977-08-26 1985-02-07 Siemens AG, 1000 Berlin und 8000 München Thermoionischer Detektor für die selektive Bestimmung von organischen, Heteroatome enthaltenden Probensubstanzen
US4203199A (en) * 1977-10-12 1980-05-20 Inficon Leybold-Heraeus, Inc. Solid state sensor
US4203726A (en) * 1978-02-28 1980-05-20 Varian Associates, Inc. Thermionic detector
US4910463A (en) * 1987-12-17 1990-03-20 Sentech Corporation Halogen monitoring apparatus
US5198774A (en) * 1987-12-17 1993-03-30 Williams Ii William J Gas monitoring apparatus
WO2003050511A1 (fr) 2001-12-13 2003-06-19 The University Of Wyoming Research Corporation Doing Business As Western Research Institute Systeme detecteur de composes organiques volatils

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1914883A (en) * 1929-10-22 1933-06-20 Frederick G Cottrell Method and apparatus for producing ions
US2550498A (en) * 1947-06-14 1951-04-24 Gen Electric Method and apparatus for electrically detecting vapors and the like
US2814018A (en) * 1954-11-26 1957-11-19 Gen Electric Measurement of volatile halogen containing components
US2979631A (en) * 1958-05-14 1961-04-11 Nat Res Corp Process for the production of ion-emitting surfaces, particularly for halogen leak detectors
US3009074A (en) * 1959-05-01 1961-11-14 Gen Electric Electrical vapor detector

Also Published As

Publication number Publication date
US3439262A (en) 1969-04-15
GB1130174A (en) 1968-10-09

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