CH355380A - Einrichtung zur Feststellung von Änderungen in der Zusammensetzung eines Gases - Google Patents

Einrichtung zur Feststellung von Änderungen in der Zusammensetzung eines Gases

Info

Publication number
CH355380A
CH355380A CH355380DA CH355380A CH 355380 A CH355380 A CH 355380A CH 355380D A CH355380D A CH 355380DA CH 355380 A CH355380 A CH 355380A
Authority
CH
Switzerland
Prior art keywords
composition
gas
determining changes
determining
changes
Prior art date
Application number
Other languages
English (en)
Inventor
Ernst Dr Meili
Heinrich Dr Derfler
Lampart Thomas
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 CH355380A publication Critical patent/CH355380A/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J41/00—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
    • H01J41/02—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas
    • H01J41/08—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of radioactive substances, e.g. alphatrons

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
CH355380D 1957-10-30 1957-10-30 Einrichtung zur Feststellung von Änderungen in der Zusammensetzung eines Gases CH355380A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH2963600X 1957-10-30

Publications (1)

Publication Number Publication Date
CH355380A true CH355380A (de) 1961-06-30

Family

ID=4573070

Family Applications (1)

Application Number Title Priority Date Filing Date
CH355380D CH355380A (de) 1957-10-30 1957-10-30 Einrichtung zur Feststellung von Änderungen in der Zusammensetzung eines Gases

Country Status (4)

Country Link
US (1) US2963600A (de)
CH (1) CH355380A (de)
DE (1) DE1079351B (de)
FR (1) FR1202930A (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH380594A (de) * 1960-11-02 1964-07-31 Securiton Ag Ionisations-Brandmeldeanlage
DE1198712B (de) * 1961-12-30 1965-08-12 Danske Securitas As Elektrische Alarmanlage
DE1279513B (de) * 1963-10-16 1968-10-03 Pour Applic Electroniques Ets Ionisationsmelder, dessen Ionisationskammer fuer die Atmosphaere zugaenglich ist
US3514603A (en) * 1966-12-22 1970-05-26 Johnson Service Co Ionization chamber detection apparatus having a low voltage source means
FR1540305A (fr) * 1967-02-09 1968-09-27 Dispositif perfectionné de détection d'incendie
CH460594A (de) * 1967-08-09 1968-07-31 Cerberus Ag Feuermelder mit einem gegen Berührung geschützten Feldeffekttransistor
DE2029485B2 (de) * 1969-06-21 1971-11-25 Nittan Co. Ltd., Tokio Ionisations rauchfuehler
US3792254A (en) * 1971-07-15 1974-02-12 Vigifeu Ionization chamber in particular for a fire detection device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH227471A (de) * 1940-01-31 1943-06-15 C Jaeger Walter Einrichtung zur Anzeige von Veränderungen eines Gases oder Gasgemisches.
DE844220C (de) * 1949-08-01 1952-07-17 Elektro Watt Elek Sche Gasdetektor

Also Published As

Publication number Publication date
DE1079351B (de) 1960-04-07
FR1202930A (fr) 1960-01-14
US2963600A (en) 1960-12-06

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