CH430507A - Detektor zum Feststellen der Anwesenheit suspendierter Teilchen in Luft - Google Patents

Detektor zum Feststellen der Anwesenheit suspendierter Teilchen in Luft

Info

Publication number
CH430507A
CH430507A CH990165A CH990165A CH430507A CH 430507 A CH430507 A CH 430507A CH 990165 A CH990165 A CH 990165A CH 990165 A CH990165 A CH 990165A CH 430507 A CH430507 A CH 430507A
Authority
CH
Switzerland
Prior art keywords
detector
detecting
air
suspended particles
suspended
Prior art date
Application number
CH990165A
Other languages
English (en)
Inventor
Alfred Roberts Gordon
Original Assignee
Alfred Roberts Gordon
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 Alfred Roberts Gordon filed Critical Alfred Roberts Gordon
Publication of CH430507A publication Critical patent/CH430507A/de

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
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
CH990165A 1964-07-13 1965-07-13 Detektor zum Feststellen der Anwesenheit suspendierter Teilchen in Luft CH430507A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US382173A US3383670A (en) 1964-07-13 1964-07-13 Smoke and heat detection unit

Publications (1)

Publication Number Publication Date
CH430507A true CH430507A (de) 1967-02-15

Family

ID=23507828

Family Applications (1)

Application Number Title Priority Date Filing Date
CH990165A CH430507A (de) 1964-07-13 1965-07-13 Detektor zum Feststellen der Anwesenheit suspendierter Teilchen in Luft

Country Status (4)

Country Link
US (1) US3383670A (de)
CH (1) CH430507A (de)
FR (1) FR1453920A (de)
GB (1) GB1090777A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0475884A1 (de) * 1990-09-05 1992-03-18 ESSER SICHERHEITSTECHNIK GmbH Brandmelder mit einem Streulicht- und einem Ionisationssystem
EP0569712A1 (de) * 1992-04-25 1993-11-18 Nohmi Bosai Ltd. Feuermelder

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3469250A (en) * 1966-04-26 1969-09-23 Dynatron Inc Smoke,heat and excessive moisture multiple alarm device
US3460124A (en) * 1966-06-06 1969-08-05 Interstate Eng Corp Smoke detector
US3505529A (en) * 1968-02-08 1970-04-07 Bliss Co Radiation sensitive smoke detecting device
US3659278A (en) * 1970-04-15 1972-04-25 Jensen Ind Inc Fire and smoke alarm device
JPS4932581U (de) * 1972-06-21 1974-03-22
US3980997A (en) * 1974-07-17 1976-09-14 General Signal Corporation Smoke detector
US4099065A (en) * 1976-10-12 1978-07-04 Chloride, Incorporated Smoke detector with chamber for producing eddy currents
US4249169A (en) * 1979-05-18 1981-02-03 Malinowski William J Optical smoke detector
US4313110A (en) * 1980-02-19 1982-01-26 Thomas Subulak Smoke alarm having temporary disabling features
US4642615A (en) * 1984-07-31 1987-02-10 Nittan Company, Limited Light-scattering type smoke detector
CN111594477B (zh) * 2020-05-24 2022-06-10 湖北绿维精工智能系统有限公司 一种具有自动调节转速和角度的建筑消防用排烟装置
CN113405703B (zh) * 2021-06-16 2024-04-09 哲弗智能系统（上海）有限公司 一种光学传感器及消防报警装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2033466A (en) * 1931-11-11 1936-03-10 Kidde & Co Walter Selective smoke detector
US2537028A (en) * 1945-10-02 1951-01-09 C O Two Fire Equipment Co Smoke detector and signal
GB625731A (en) * 1946-04-25 1949-07-04 Kidde Walter Co Ltd Improvements relating to smoke detecting and similar systems
US2476958A (en) * 1946-09-28 1949-07-26 C O Two Fire Equipment Co Smoke detector and signal
US2684008A (en) * 1949-11-23 1954-07-20 Gen Electric Method and apparatus for measuring the concentration of condensation nuclei
US2593616A (en) * 1949-12-16 1952-04-22 Rca Corp Electronic spectroscope
US2654242A (en) * 1950-07-07 1953-10-06 Shell Dev Measurement of water vapor in gases
US3231748A (en) * 1961-10-30 1966-01-25 Fyr Fyter Co Smoke detector
US3222662A (en) * 1961-12-27 1965-12-07 Electronics Corp America Signalling apparatus incorporating a differential relay
US3185975A (en) * 1962-06-18 1965-05-25 Honeywell Inc Photoelectric smoke detector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0475884A1 (de) * 1990-09-05 1992-03-18 ESSER SICHERHEITSTECHNIK GmbH Brandmelder mit einem Streulicht- und einem Ionisationssystem
EP0569712A1 (de) * 1992-04-25 1993-11-18 Nohmi Bosai Ltd. Feuermelder
US5486816A (en) * 1992-04-25 1996-01-23 Nohmi Bosai Ltd. Fire detector having optic base clamping optic elements to a circuit board

Also Published As

Publication number Publication date
GB1090777A (en) 1967-11-15
FR1453920A (fr) 1966-07-22
US3383670A (en) 1968-05-14

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