CH595851A5 - Detector for smoke and suspended particles - Google Patents

Detector for smoke and suspended particles

Info

Publication number
CH595851A5
CH595851A5 CH1167775A CH1167775A CH595851A5 CH 595851 A5 CH595851 A5 CH 595851A5 CH 1167775 A CH1167775 A CH 1167775A CH 1167775 A CH1167775 A CH 1167775A CH 595851 A5 CH595851 A5 CH 595851A5
Authority
CH
Switzerland
Prior art keywords
smoke
detector
suspended particles
sensitive element
cone shaped
Prior art date
Application number
CH1167775A
Other languages
English (en)
Inventor
David Roy Packham
Reginald Charles Huxtable
Original Assignee
Commw Scient Ind Res Org
Commw Of Australia
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 Commw Scient Ind Res Org, Commw Of Australia filed Critical Commw Scient Ind Res Org
Publication of CH595851A5 publication Critical patent/CH595851A5/xx

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
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
    • G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
    • 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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
CH1167775A 1974-09-09 1975-09-09 Detector for smoke and suspended particles CH595851A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU879874 1974-09-09

Publications (1)

Publication Number Publication Date
CH595851A5 true CH595851A5 (en) 1978-02-28

Family

ID=3699517

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1167775A CH595851A5 (en) 1974-09-09 1975-09-09 Detector for smoke and suspended particles

Country Status (3)

Country Link
JP (1) JPS5153889A (enrdf_load_stackoverflow)
AU (1) AU8452975A (enrdf_load_stackoverflow)
CH (1) CH595851A5 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0135361A3 (en) * 1983-08-12 1986-06-11 Martin Terence Cole Improvements relating to light absorbers
EP0463795A1 (en) * 1990-06-23 1992-01-02 Kidde Fire Protection Limited Smoke Particle detector

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6132480Y2 (enrdf_load_stackoverflow) * 1977-06-27 1986-09-20
JP2533653B2 (ja) * 1989-09-26 1996-09-11 松下電工株式会社 光電式煙感知器

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0135361A3 (en) * 1983-08-12 1986-06-11 Martin Terence Cole Improvements relating to light absorbers
EP0463795A1 (en) * 1990-06-23 1992-01-02 Kidde Fire Protection Limited Smoke Particle detector
US5231378A (en) * 1990-06-23 1993-07-27 Kidde-Graviner Limited Particle detection which senses scattered light

Also Published As

Publication number Publication date
AU8452975A (en) 1977-03-10
JPS5153889A (enrdf_load_stackoverflow) 1976-05-12

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Legal Events

Date Code Title Description
PL Patent ceased
PLX Patent declared invalid from date of grant onwards