FR1473061A - Détecteurs d'incendies et de fumées - Google Patents

Détecteurs d'incendies et de fumées

Info

Publication number
FR1473061A
FR1473061A FR43371A FR43371A FR1473061A FR 1473061 A FR1473061 A FR 1473061A FR 43371 A FR43371 A FR 43371A FR 43371 A FR43371 A FR 43371A FR 1473061 A FR1473061 A FR 1473061A
Authority
FR
France
Prior art keywords
fire
smoke detectors
detectors
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
FR43371A
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.)
Yissum Research Development Co of Hebrew University of Jerusalem
Original Assignee
Yissum Research Development Co of Hebrew University of Jerusalem
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 Yissum Research Development Co of Hebrew University of Jerusalem filed Critical Yissum Research Development Co of Hebrew University of Jerusalem
Application granted granted Critical
Publication of FR1473061A publication Critical patent/FR1473061A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/003—Systems for controlling combustion using detectors sensitive to combustion gas properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/025—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using electrical or electromechanical means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/60—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrostatic variables, e.g. electrographic flaw testing
    • 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
    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
FR43371A 1964-12-27 1965-12-22 Détecteurs d'incendies et de fumées Expired FR1473061A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL22673A IL22673A (en) 1964-12-27 1964-12-27 Sensitive smoke and fire detector

Publications (1)

Publication Number Publication Date
FR1473061A true FR1473061A (fr) 1967-03-17

Family

ID=11043453

Family Applications (1)

Application Number Title Priority Date Filing Date
FR43371A Expired FR1473061A (fr) 1964-12-27 1965-12-22 Détecteurs d'incendies et de fumées

Country Status (7)

Country Link
US (1) US3470551A (fr)
CH (1) CH446961A (fr)
DE (1) DE1277711B (fr)
FR (1) FR1473061A (fr)
GB (1) GB1087609A (fr)
IL (1) IL22673A (fr)
NL (1) NL6516966A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3573777A (en) * 1968-12-09 1971-04-06 Honeywell Inc Combustion products detector control apparatus
US3673586A (en) * 1970-02-19 1972-06-27 Statitrol Corp Resistance controlled timed pulse generator
US3754219A (en) * 1972-01-03 1973-08-21 Johnson Service Co High impedance gaseous ion sensing and detection system
US4264331A (en) * 1977-08-03 1981-04-28 Johnson Controls, Inc. Charged non-conductive polar gas sensing element and detection system
US4360856A (en) * 1981-01-08 1982-11-23 Witthaus Ira L Electric sensor package
US4456883A (en) 1982-10-04 1984-06-26 Ambac Industries, Incorporated Method and apparatus for indicating an operating characteristic of an internal combustion engine
CH666135A5 (de) * 1982-12-03 1988-06-30 Slm Investissements S A Brandmelder.
US4631482A (en) * 1984-10-09 1986-12-23 Auburn International, Inc. Dust flow inducing monitor
US6057774A (en) * 1999-01-21 2000-05-02 Brk Brands, Inc. Smoke alarm with anti-dust screen
DE102014019172B4 (de) 2014-12-17 2023-12-07 Elmos Semiconductor Se Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem
DE102014019773B4 (de) 2014-12-17 2023-12-07 Elmos Semiconductor Se Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2815483A (en) * 1957-12-03 Electric field detection
DE718327C (de) * 1937-06-09 1942-03-09 Walter Jaeger Feuer- und Rauchmelder
DE901319C (de) * 1938-12-15 1954-01-11 Siemens Ag Veraenderbarer elektrischer Kondensator
US2408051A (en) * 1942-04-04 1946-09-24 American District Telegraph Co Fire and smoke detector and the like
US2491445A (en) * 1947-02-24 1949-12-13 Shell Dev Flowmeter
US2556458A (en) * 1948-02-09 1951-06-12 W E Anderson Inc Static electricity indicator
DE923073C (de) * 1952-03-06 1955-02-03 Lufttechnische Ges M B H Verfahren und Vorrichtung zur periodischen Messung der elektrischen Aufladung der atmosphaerischen Luft
AT198548B (de) * 1954-12-16 1958-07-10 Eugen Dr Feifel Vorrichtung zur Bestimmung des Staubgehaltes von Gasen und Dämpfen
US2820947A (en) * 1955-04-29 1958-01-21 Gunn Ross Electric field meter
DE1056008B (de) * 1956-04-06 1959-04-23 Phys Maurice E Nahmias Dr Vorrichtung zur Feststellung von Rauch etc.
NL224264A (fr) * 1957-10-24
DE1114413B (de) * 1959-06-06 1961-09-28 Telefonbau & Normalzeit Gmbh Elektrische Alarmanlage

Also Published As

Publication number Publication date
CH446961A (de) 1967-11-15
US3470551A (en) 1969-09-30
IL22673A (en) 1968-06-20
DE1277711B (de) 1968-09-12
NL6516966A (fr) 1966-03-25
GB1087609A (en) 1967-10-18

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