AU5003972A - Ionization fire detector - Google Patents

Ionization fire detector

Info

Publication number
AU5003972A
AU5003972A AU50039/72A AU5003972A AU5003972A AU 5003972 A AU5003972 A AU 5003972A AU 50039/72 A AU50039/72 A AU 50039/72A AU 5003972 A AU5003972 A AU 5003972A AU 5003972 A AU5003972 A AU 5003972A
Authority
AU
Australia
Prior art keywords
fire detector
ionization fire
ionization
detector
fire
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
AU50039/72A
Inventor
Gerhard Bering Lother Rima Hartwig Beyersdorf
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.)
Preussag AG Feuerschutz
Original Assignee
Preussag AG Feuerschutz
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
Priority claimed from DE19712165619 external-priority patent/DE2165619C2/en
Application filed by Preussag AG Feuerschutz filed Critical Preussag AG Feuerschutz
Publication of AU5003972A publication Critical patent/AU5003972A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J41/06—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of cold cathodes
AU50039/72A 1971-12-30 1972-12-14 Ionization fire detector Expired AU5003972A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712165619 DE2165619C2 (en) 1971-12-30 Ionization fire alarms

Publications (1)

Publication Number Publication Date
AU5003972A true AU5003972A (en) 1974-06-20

Family

ID=5829745

Family Applications (1)

Application Number Title Priority Date Filing Date
AU50039/72A Expired AU5003972A (en) 1971-12-30 1972-12-14 Ionization fire detector

Country Status (3)

Country Link
AU (1) AU5003972A (en)
BR (1) BR7209274D0 (en)
ZA (1) ZA7312B (en)

Also Published As

Publication number Publication date
DE2165619B1 (en) 1973-01-25
DE2165619A1 (en) 1973-01-25
BR7209274D0 (en) 1973-09-20
ZA7312B (en) 1973-10-31

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