IL22673A - Sensitive smoke and fire detector - Google Patents

Sensitive smoke and fire detector

Info

Publication number
IL22673A
IL22673A IL22673A IL2267364A IL22673A IL 22673 A IL22673 A IL 22673A IL 22673 A IL22673 A IL 22673A IL 2267364 A IL2267364 A IL 2267364A IL 22673 A IL22673 A IL 22673A
Authority
IL
Israel
Prior art keywords
fire detector
sensitive smoke
smoke
sensitive
fire
Prior art date
Application number
IL22673A
Original Assignee
Jaffe A
Nadav E
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 Jaffe A, Nadav E filed Critical Jaffe A
Priority to IL22673A priority Critical patent/IL22673A/en
Priority to US511100A priority patent/US3470551A/en
Priority to GB53699/65A priority patent/GB1087609A/en
Priority to FR43371A priority patent/FR1473061A/en
Priority to CH1780965A priority patent/CH446961A/en
Priority to DEY1016A priority patent/DE1277711B/en
Priority to NL6516966A priority patent/NL6516966A/xx
Publication of IL22673A publication Critical patent/IL22673A/en

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)
IL22673A 1964-12-27 1964-12-27 Sensitive smoke and fire detector IL22673A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IL22673A IL22673A (en) 1964-12-27 1964-12-27 Sensitive smoke and fire detector
US511100A US3470551A (en) 1964-12-27 1965-12-02 Fire and smoke detector
GB53699/65A GB1087609A (en) 1964-12-27 1965-12-17 Fire and smoke detector
FR43371A FR1473061A (en) 1964-12-27 1965-12-22 Fire and smoke detectors
CH1780965A CH446961A (en) 1964-12-27 1965-12-23 Device for detecting smoke
DEY1016A DE1277711B (en) 1964-12-27 1965-12-23 Device for detecting smoke particles or combustion products
NL6516966A NL6516966A (en) 1964-12-27 1965-12-27

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
IL22673A true IL22673A (en) 1968-06-20

Family

ID=11043453

Family Applications (1)

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

Country Status (7)

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

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 (en) * 1982-12-03 1988-06-30 Slm Investissements S A FIRE DETECTORS.
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 (en) 2014-12-17 2023-12-07 Elmos Semiconductor Se Device and method for distinguishing between solid objects, cooking fumes and smoke using a compensating optical measuring system
DE102014019773B4 (en) 2014-12-17 2023-12-07 Elmos Semiconductor Se Device and method for distinguishing between solid objects, cooking fumes and smoke using the display of a mobile telephone

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 (en) * 1937-06-09 1942-03-09 Walter Jaeger Fire and smoke alarms
DE901319C (en) * 1938-12-15 1954-01-11 Siemens Ag Changeable electrical capacitor
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 (en) * 1952-03-06 1955-02-03 Lufttechnische Ges M B H Method and device for periodic measurement of the electrical charge in atmospheric air
AT198548B (en) * 1954-12-16 1958-07-10 Eugen Dr Feifel Device for determining the dust content of gases and vapors
US2820947A (en) * 1955-04-29 1958-01-21 Gunn Ross Electric field meter
DE1056008B (en) * 1956-04-06 1959-04-23 Phys Maurice E Nahmias Dr Device for detecting smoke etc.
NL224264A (en) * 1957-10-24
DE1114413B (en) * 1959-06-06 1961-09-28 Telefonbau & Normalzeit Gmbh Electric alarm system

Also Published As

Publication number Publication date
GB1087609A (en) 1967-10-18
NL6516966A (en) 1966-03-25
DE1277711B (en) 1968-09-12
FR1473061A (en) 1967-03-17
US3470551A (en) 1969-09-30
CH446961A (en) 1967-11-15

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