GB1467592A - Ionization fire alarm - Google Patents

Ionization fire alarm

Info

Publication number
GB1467592A
GB1467592A GB278875A GB278875A GB1467592A GB 1467592 A GB1467592 A GB 1467592A GB 278875 A GB278875 A GB 278875A GB 278875 A GB278875 A GB 278875A GB 1467592 A GB1467592 A GB 1467592A
Authority
GB
United Kingdom
Prior art keywords
electrode
recessed
insulator
jan
chambers
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
GB278875A
Other languages
English (en)
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.)
Geba & Co GmbH
Original Assignee
Geba & Co 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 Geba & Co GmbH filed Critical Geba & Co GmbH
Publication of GB1467592A publication Critical patent/GB1467592A/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

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)
GB278875A 1974-01-24 1975-01-22 Ionization fire alarm Expired GB1467592A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2403418A DE2403418B1 (de) 1974-01-24 1974-01-24 lonisations-Brandmelder

Publications (1)

Publication Number Publication Date
GB1467592A true GB1467592A (en) 1977-03-16

Family

ID=5905609

Family Applications (1)

Application Number Title Priority Date Filing Date
GB278875A Expired GB1467592A (en) 1974-01-24 1975-01-22 Ionization fire alarm

Country Status (7)

Country Link
AT (1) AT349943B (es)
DE (1) DE2403418B1 (es)
DK (1) DK690974A (es)
FR (1) FR2259406B1 (es)
GB (1) GB1467592A (es)
IT (1) IT1027275B (es)
SE (1) SE397146B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7609408L (sv) * 1975-09-05 1977-03-06 Elektornische Brandmeldeanlage Anordning for fastsettning av ett foremal pa ett underlag
DE2729879C3 (de) * 1977-07-01 1986-05-07 Hartwig Dipl.-Ing. 2409 Scharbeutz Beyersdorf Ionisations-Brandmelder

Also Published As

Publication number Publication date
FR2259406A1 (es) 1975-08-22
SE7500688L (es) 1975-07-25
DE2403418B1 (de) 1975-02-27
SE397146B (sv) 1977-10-17
ATA41475A (de) 1978-09-15
AT349943B (de) 1979-05-10
FR2259406B1 (es) 1976-12-31
DK690974A (es) 1975-09-15
IT1027275B (it) 1978-11-20
DE2403418C2 (es) 1978-09-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee