CH346795A - Verfahren und Vorrichtung zur elektrischen Feststellung von Aerosolen in Gasen - Google Patents

Verfahren und Vorrichtung zur elektrischen Feststellung von Aerosolen in Gasen

Info

Publication number
CH346795A
CH346795A CH346795DA CH346795A CH 346795 A CH346795 A CH 346795A CH 346795D A CH346795D A CH 346795DA CH 346795 A CH346795 A CH 346795A
Authority
CH
Switzerland
Prior art keywords
aerosols
gases
electrical detection
electrical
detection
Prior art date
Application number
Other languages
English (en)
Inventor
Derfler Heinrich Dr Phys
Original Assignee
Cerberus Gmbh
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 Cerberus Gmbh filed Critical Cerberus Gmbh
Publication of CH346795A publication Critical patent/CH346795A/de

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
    • G01N27/64—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 wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
    • G01N27/66—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 wave or particle radiation to ionise a gas, e.g. in an ionisation chamber and measuring current or voltage
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
    • G08B17/113—Constructional details

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Emergency Management (AREA)
  • Toxicology (AREA)
  • Business, Economics & Management (AREA)
  • Electrochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Measurement Of Radiation (AREA)
CH346795D 1957-01-25 1957-01-25 Verfahren und Vorrichtung zur elektrischen Feststellung von Aerosolen in Gasen CH346795A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH854594X 1957-01-25

Publications (1)

Publication Number Publication Date
CH346795A true CH346795A (de) 1960-05-31

Family

ID=4542563

Family Applications (1)

Application Number Title Priority Date Filing Date
CH346795D CH346795A (de) 1957-01-25 1957-01-25 Verfahren und Vorrichtung zur elektrischen Feststellung von Aerosolen in Gasen

Country Status (6)

Country Link
US (1) US2994768A (de)
CH (1) CH346795A (de)
DE (1) DE1046372B (de)
FR (1) FR1198450A (de)
GB (1) GB854594A (de)
NL (1) NL99411C (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1900888A1 (de) * 1968-01-19 1969-09-04 Vigifeu Ionisierkammer,insbesondere fuer Branddetektorgeraet
WO1998052484A1 (de) 1997-05-20 1998-11-26 Leica Mikroskopie Systeme Ag Stativ, insbesondere für ein operationsmikroskop

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3102200A (en) * 1959-05-29 1963-08-27 Gen Electric Penetrating radiation measurement by ionization of a particle bearing aerosol
GB929883A (en) * 1960-01-26 1963-06-26 Nat Res Dev Improvements in or relating to the detection and/or analysis of low concentrations of gases and vapour
DE1133921B (de) * 1960-04-05 1962-07-26 Hans Christoph Siegmann Dipl P Anordnung zur relativen Bestimmung des Staubgehaltes der Luft unter Anwendung einer ein radioaktives Praeparat enthaltenden Ionisationskammer
US3185845A (en) * 1961-02-15 1965-05-25 Continental Oil Co Method of and apparatus for analyzing chemical compounds
DE1287825B (de) * 1962-01-10
FR1403080A (fr) * 1964-05-08 1965-06-18 Centre Nat Rech Scient Dispositif de mesure de la pression atmosphérique dans une large gamme de pression
FR1540305A (fr) * 1967-02-09 1968-09-27 Dispositif perfectionné de détection d'incendie
USRE30323E (en) * 1968-09-26 1980-07-01 Hochiki Kabushiki Kaisha Smoke detector adapted to a smoke sensing apparatus
GB1280304A (en) * 1968-09-26 1972-07-05 Hochiki Co A smoke sensing detector for smoke sensing apparatus
CH597659A5 (de) * 1976-02-06 1978-04-14 Cerberus Ag
US4027165A (en) * 1976-02-17 1977-05-31 The United States Of America As Represented By The United States Energy Research And Development Administration Ionization detection system for aerosols
US4168497A (en) * 1976-03-15 1979-09-18 Cerberus Ag Fire and smoke sensing system
US4185196A (en) * 1978-01-13 1980-01-22 General Electric Company Ionization smoke detector having improved stability and sensitivity
US4245174A (en) * 1978-04-24 1981-01-13 Isotec Industries Limited Dual ionization chamber
US4213047A (en) * 1978-10-25 1980-07-15 General Signal Corporation Smoke detector having unipolar ionization chamber
US4362941A (en) * 1981-01-26 1982-12-07 Honeywell Inc. Apparatus and a method for detecting and measuring trace gases in air or other gaseous background

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2408051A (en) * 1942-04-04 1946-09-24 American District Telegraph Co Fire and smoke detector and the like
US2594777A (en) * 1950-07-14 1952-04-29 Ionics Ion controller
US2785312A (en) * 1953-09-21 1957-03-12 Ionaire Inc Ion generator using radioactive material
US2702898A (en) * 1953-10-06 1955-02-22 Electro Watt Electrical And In Gas-responsive control apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1900888A1 (de) * 1968-01-19 1969-09-04 Vigifeu Ionisierkammer,insbesondere fuer Branddetektorgeraet
WO1998052484A1 (de) 1997-05-20 1998-11-26 Leica Mikroskopie Systeme Ag Stativ, insbesondere für ein operationsmikroskop

Also Published As

Publication number Publication date
GB854594A (en) 1960-11-23
US2994768A (en) 1961-08-01
FR1198450A (fr) 1959-12-07
DE1046372B (de) 1958-12-11
NL99411C (de)

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