FR1040027A - Détecteur optique de fumées - Google Patents

Détecteur optique de fumées

Info

Publication number
FR1040027A
FR1040027A FR1040027DA FR1040027A FR 1040027 A FR1040027 A FR 1040027A FR 1040027D A FR1040027D A FR 1040027DA FR 1040027 A FR1040027 A FR 1040027A
Authority
FR
France
Prior art keywords
smoke detector
optical smoke
optical
detector
smoke
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
Other languages
English (en)
Inventor
Jean Mavel
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.)
Tecalemit Ltd
Original Assignee
Tecalemit 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 Tecalemit Ltd filed Critical Tecalemit Ltd
Application granted granted Critical
Publication of FR1040027A publication Critical patent/FR1040027A/fr
Expired 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
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/26—Devices for withdrawing samples in the gaseous state with provision for intake from several spaces
    • 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

  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
FR1040027D 1951-07-21 1951-07-21 Détecteur optique de fumées Expired FR1040027A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1040027T 1951-07-21

Publications (1)

Publication Number Publication Date
FR1040027A true FR1040027A (fr) 1953-10-12

Family

ID=9588659

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1040027D Expired FR1040027A (fr) 1951-07-21 1951-07-21 Détecteur optique de fumées

Country Status (1)

Country Link
FR (1) FR1040027A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116793655A (zh) * 2023-06-28 2023-09-22 中国航发沈阳发动机研究所 一种压力探针通畅性检查装置及其方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116793655A (zh) * 2023-06-28 2023-09-22 中国航发沈阳发动机研究所 一种压力探针通畅性检查装置及其方法

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