CA2159755C - Chambre de detection de fumees - Google Patents

Chambre de detection de fumees Download PDF

Info

Publication number
CA2159755C
CA2159755C CA002159755A CA2159755A CA2159755C CA 2159755 C CA2159755 C CA 2159755C CA 002159755 A CA002159755 A CA 002159755A CA 2159755 A CA2159755 A CA 2159755A CA 2159755 C CA2159755 C CA 2159755C
Authority
CA
Canada
Prior art keywords
chamber
smoke detection
detection chamber
smoke
mounting arrangement
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 - Lifetime
Application number
CA002159755A
Other languages
English (en)
Other versions
CA2159755A1 (fr
Inventor
William J. Rattman
Zhexin Mi
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.)
Tyco Safety Products Canada Ltd
Original Assignee
Digital Security Controls 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 Digital Security Controls Ltd filed Critical Digital Security Controls Ltd
Priority to CA002159755A priority Critical patent/CA2159755C/fr
Publication of CA2159755A1 publication Critical patent/CA2159755A1/fr
Application granted granted Critical
Publication of CA2159755C publication Critical patent/CA2159755C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CA002159755A 1995-11-09 1995-11-09 Chambre de detection de fumees Expired - Lifetime CA2159755C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002159755A CA2159755C (fr) 1995-11-09 1995-11-09 Chambre de detection de fumees

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002159755A CA2159755C (fr) 1995-11-09 1995-11-09 Chambre de detection de fumees

Publications (2)

Publication Number Publication Date
CA2159755A1 CA2159755A1 (fr) 1997-05-10
CA2159755C true CA2159755C (fr) 2001-01-23

Family

ID=4156701

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002159755A Expired - Lifetime CA2159755C (fr) 1995-11-09 1995-11-09 Chambre de detection de fumees

Country Status (1)

Country Link
CA (1) CA2159755C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107478557B (zh) * 2017-09-20 2023-07-18 张家港朗亿机电设备有限公司 一种粉尘浓度检测仪的检测装置

Also Published As

Publication number Publication date
CA2159755A1 (fr) 1997-05-10

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Effective date: 20151109