IT976193B - Avvisatore d incendio a ionizzazio ne - Google Patents

Avvisatore d incendio a ionizzazio ne

Info

Publication number
IT976193B
IT976193B IT7106572A IT7106572A IT976193B IT 976193 B IT976193 B IT 976193B IT 7106572 A IT7106572 A IT 7106572A IT 7106572 A IT7106572 A IT 7106572A IT 976193 B IT976193 B IT 976193B
Authority
IT
Italy
Prior art keywords
fire detector
ionization fire
ionization
detector
fire
Prior art date
Application number
IT7106572A
Other languages
English (en)
Original Assignee
Preussag Ag
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
Priority claimed from DE2230932A external-priority patent/DE2230932C2/de
Application filed by Preussag Ag filed Critical Preussag Ag
Application granted granted Critical
Publication of IT976193B publication Critical patent/IT976193B/it

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
    • 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)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
IT7106572A 1971-12-30 1972-12-22 Avvisatore d incendio a ionizzazio ne IT976193B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19712165619 DE2165619C2 (de) 1971-12-30 Ionisationsfeuermelder
DE2230932A DE2230932C2 (de) 1972-06-23 1972-06-23 Ionisationsfeuermelder

Publications (1)

Publication Number Publication Date
IT976193B true IT976193B (it) 1974-08-20

Family

ID=25762258

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7106572A IT976193B (it) 1971-12-30 1972-12-22 Avvisatore d incendio a ionizzazio ne

Country Status (9)

Country Link
JP (1) JPS4879998A (it)
AT (1) AT332762B (it)
BE (1) BE793205A (it)
CH (1) CH558059A (it)
ES (1) ES410210A1 (it)
FR (1) FR2166005B3 (it)
GB (1) GB1407639A (it)
IT (1) IT976193B (it)
NL (1) NL7217843A (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH551057A (de) * 1973-04-17 1974-06-28 Cerberus Ag Ionisationsfeuermelder.
AT378431B (de) * 1983-06-30 1985-08-12 Siemens Ag Oesterreich Probenkammer herkoemmlicher groesse zum einbau eines ionisations-rauchmelder-einsatzes

Also Published As

Publication number Publication date
CH558059A (de) 1975-01-15
JPS4879998A (it) 1973-10-26
FR2166005A1 (it) 1973-08-10
GB1407639A (en) 1975-09-24
FR2166005B3 (it) 1976-02-13
AT332762B (de) 1976-10-11
ATA1095272A (de) 1976-01-15
BE793205A (fr) 1973-04-16
ES410210A1 (es) 1975-12-01
NL7217843A (it) 1973-07-03

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