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GB2182198B - Ionisation detection chamber - Google Patents

Ionisation detection chamber

Info

Publication number
GB2182198B
GB2182198B GB8526892A GB8526892A GB2182198B GB 2182198 B GB2182198 B GB 2182198B GB 8526892 A GB8526892 A GB 8526892A GB 8526892 A GB8526892 A GB 8526892A GB 2182198 B GB2182198 B GB 2182198B
Authority
GB
United Kingdom
Prior art keywords
detection chamber
ionisation detection
ionisation
chamber
detection
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 - Fee Related
Application number
GB8526892A
Other versions
GB2182198A (en
GB8526892D0 (en
Inventor
Stephen Henry Ellwood
David Appleby
Stephen Brown
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.)
Novar Systems Ltd
Original Assignee
Gent Ltd
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 Gent Ltd filed Critical Gent Ltd
Priority to GB8526892A priority Critical patent/GB2182198B/en
Publication of GB8526892D0 publication Critical patent/GB8526892D0/en
Priority to DE8686308434T priority patent/DE3683827D1/en
Priority to EP19860308434 priority patent/EP0221770B1/en
Publication of GB2182198A publication Critical patent/GB2182198A/en
Application granted granted Critical
Publication of GB2182198B publication Critical patent/GB2182198B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
GB8526892A 1985-10-31 1985-10-31 Ionisation detection chamber Expired - Fee Related GB2182198B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB8526892A GB2182198B (en) 1985-10-31 1985-10-31 Ionisation detection chamber
DE8686308434T DE3683827D1 (en) 1985-10-31 1986-10-29 IONIZATION DETECTION CHAMBER.
EP19860308434 EP0221770B1 (en) 1985-10-31 1986-10-29 Ionisation detection chamber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8526892A GB2182198B (en) 1985-10-31 1985-10-31 Ionisation detection chamber

Publications (3)

Publication Number Publication Date
GB8526892D0 GB8526892D0 (en) 1985-12-04
GB2182198A GB2182198A (en) 1987-05-07
GB2182198B true GB2182198B (en) 1991-05-15

Family

ID=10587558

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8526892A Expired - Fee Related GB2182198B (en) 1985-10-31 1985-10-31 Ionisation detection chamber

Country Status (3)

Country Link
EP (1) EP0221770B1 (en)
DE (1) DE3683827D1 (en)
GB (1) GB2182198B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1299234A (en) * 1970-11-06 1972-12-13 Nittan Co Ltd Ionization smoke detector
GB1581236A (en) * 1976-07-02 1980-12-10 Chloride Group Ltd Ionisation detector chamber

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3560737A (en) * 1967-08-02 1971-02-02 Honeywell Inc Combustion products detector using a radioactive source and detector
IL52357A (en) * 1976-07-02 1979-11-30 Chloride Group Ltd Ionisation detector chamber
GB1603702A (en) * 1978-04-11 1981-11-25 Chloride Group Ltd Ionisation detector chamber

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1299234A (en) * 1970-11-06 1972-12-13 Nittan Co Ltd Ionization smoke detector
GB1581236A (en) * 1976-07-02 1980-12-10 Chloride Group Ltd Ionisation detector chamber

Also Published As

Publication number Publication date
EP0221770A2 (en) 1987-05-13
GB2182198A (en) 1987-05-07
EP0221770A3 (en) 1988-08-24
DE3683827D1 (en) 1992-03-19
EP0221770B1 (en) 1992-02-05
GB8526892D0 (en) 1985-12-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921031