CH485287A - Device for signaling leaks or the presence of combustible gases - Google Patents

Device for signaling leaks or the presence of combustible gases

Info

Publication number
CH485287A
CH485287A CH1166968A CH1166968A CH485287A CH 485287 A CH485287 A CH 485287A CH 1166968 A CH1166968 A CH 1166968A CH 1166968 A CH1166968 A CH 1166968A CH 485287 A CH485287 A CH 485287A
Authority
CH
Switzerland
Prior art keywords
combustible gases
leaks
signaling
signaling leaks
combustible
Prior art date
Application number
CH1166968A
Other languages
Italian (it)
Inventor
Susin Pietro
Original Assignee
Susin Pietro
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 Susin Pietro filed Critical Susin Pietro
Publication of CH485287A publication Critical patent/CH485287A/en

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
    • G08B17/117—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means by using a detection device for specific gases, e.g. combustion products, produced by the fire
    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited

Landscapes

  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Emergency Alarm Devices (AREA)
CH1166968A 1967-08-04 1968-08-02 Device for signaling leaks or the presence of combustible gases CH485287A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1922767 1967-08-04

Publications (1)

Publication Number Publication Date
CH485287A true CH485287A (en) 1970-01-31

Family

ID=11155944

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1166968A CH485287A (en) 1967-08-04 1968-08-02 Device for signaling leaks or the presence of combustible gases

Country Status (2)

Country Link
CH (1) CH485287A (en)
DE (1) DE1773938A1 (en)

Also Published As

Publication number Publication date
DE1773938A1 (en) 1972-02-03

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