IT1097182B - Dispositivo per accertare la presenza di particelle in sospensione in una fluido - Google Patents

Dispositivo per accertare la presenza di particelle in sospensione in una fluido

Info

Publication number
IT1097182B
IT1097182B IT25764/78A IT2576478A IT1097182B IT 1097182 B IT1097182 B IT 1097182B IT 25764/78 A IT25764/78 A IT 25764/78A IT 2576478 A IT2576478 A IT 2576478A IT 1097182 B IT1097182 B IT 1097182B
Authority
IT
Italy
Prior art keywords
fluid
ensure
suspension particles
suspension
particles
Prior art date
Application number
IT25764/78A
Other languages
English (en)
Italian (it)
Other versions
IT7825764A0 (it
Original Assignee
Heimann Gmbh
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 Heimann Gmbh filed Critical Heimann Gmbh
Publication of IT7825764A0 publication Critical patent/IT7825764A0/it
Application granted granted Critical
Publication of IT1097182B publication Critical patent/IT1097182B/it

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
    • G08B17/11—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
    • 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
    • G08B17/103—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Measurement Of Radiation (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
IT25764/78A 1977-07-29 1978-07-17 Dispositivo per accertare la presenza di particelle in sospensione in una fluido IT1097182B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2734347A DE2734347B2 (de) 1977-07-29 1977-07-29 Anordnung zum Nachweis von Schwebeteilchen

Publications (2)

Publication Number Publication Date
IT7825764A0 IT7825764A0 (it) 1978-07-17
IT1097182B true IT1097182B (it) 1985-08-26

Family

ID=6015204

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25764/78A IT1097182B (it) 1977-07-29 1978-07-17 Dispositivo per accertare la presenza di particelle in sospensione in una fluido

Country Status (8)

Country Link
AT (1) AT375777B (sv)
BE (1) BE869380A (sv)
BR (1) BR7804881A (sv)
CH (1) CH624767A5 (sv)
DE (1) DE2734347B2 (sv)
IT (1) IT1097182B (sv)
NL (1) NL7807117A (sv)
SE (1) SE430828B (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4028188A1 (de) * 1990-09-05 1992-03-12 Esser Sicherheitstechnik Brandmelder mit einem streulicht- und einem ionisationssystem
US5633501A (en) * 1995-06-07 1997-05-27 Pittway Corporation Combination photoelectric and ionization smoke detector

Also Published As

Publication number Publication date
SE7808218L (sv) 1979-01-30
IT7825764A0 (it) 1978-07-17
DE2734347B2 (de) 1979-12-06
AT375777B (de) 1984-09-10
BR7804881A (pt) 1979-04-17
ATA546878A (de) 1984-01-15
DE2734347A1 (de) 1979-02-01
NL7807117A (nl) 1979-01-31
SE430828B (sv) 1983-12-12
CH624767A5 (en) 1981-08-14
BE869380A (fr) 1978-11-16

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