BR7209274D0 - Detector de incendio por ionizacao - Google Patents

Detector de incendio por ionizacao

Info

Publication number
BR7209274D0
BR7209274D0 BR9274/72A BR927472A BR7209274D0 BR 7209274 D0 BR7209274 D0 BR 7209274D0 BR 9274/72 A BR9274/72 A BR 9274/72A BR 927472 A BR927472 A BR 927472A BR 7209274 D0 BR7209274 D0 BR 7209274D0
Authority
BR
Brazil
Prior art keywords
fire detector
ionization fire
ionization
detector
fire
Prior art date
Application number
BR9274/72A
Other languages
English (en)
Inventor
Ag Preussag
Original Assignee
Ag Preussag
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/de
Application filed by Ag Preussag filed Critical Ag Preussag
Publication of BR7209274D0 publication Critical patent/BR7209274D0/pt

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
BR9274/72A 1971-12-30 1972-12-29 Detector de incendio por ionizacao BR7209274D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712165619 DE2165619C2 (de) 1971-12-30 Ionisationsfeuermelder

Publications (1)

Publication Number Publication Date
BR7209274D0 true BR7209274D0 (pt) 1973-09-20

Family

ID=5829745

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9274/72A BR7209274D0 (pt) 1971-12-30 1972-12-29 Detector de incendio por ionizacao

Country Status (3)

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

Also Published As

Publication number Publication date
DE2165619A1 (pt) 1973-01-25
ZA7312B (en) 1973-10-31
AU5003972A (en) 1974-06-20
DE2165619B1 (de) 1973-01-25

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