BR7804881A - Processo e disposicao para a comprovacao de particulas em suspensao - Google Patents

Processo e disposicao para a comprovacao de particulas em suspensao

Info

Publication number
BR7804881A
BR7804881A BR7804881A BR7804881A BR7804881A BR 7804881 A BR7804881 A BR 7804881A BR 7804881 A BR7804881 A BR 7804881A BR 7804881 A BR7804881 A BR 7804881A BR 7804881 A BR7804881 A BR 7804881A
Authority
BR
Brazil
Prior art keywords
proof
provision
suspension
particles
Prior art date
Application number
BR7804881A
Other languages
English (en)
Portuguese (pt)
Inventor
W Glockmann
W Rech
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 BR7804881A publication Critical patent/BR7804881A/pt

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/10Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11Actuation 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47Scattering, i.e. diffuse reflection
    • G01N21/49Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/10Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/103Actuation 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
    • G08B17/107Actuation 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)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Measurement Of Radiation (AREA)
BR7804881A 1977-07-29 1978-07-28 Processo e disposicao para a comprovacao de particulas em suspensao BR7804881A (pt)

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 (1)

Publication Number Publication Date
BR7804881A true BR7804881A (pt) 1979-04-17

Family

ID=6015204

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7804881A BR7804881A (pt) 1977-07-29 1978-07-28 Processo e disposicao para a comprovacao de particulas em suspensao

Country Status (8)

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

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
NL7807117A (nl) 1979-01-31
SE430828B (sv) 1983-12-12
DE2734347B2 (de) 1979-12-06
DE2734347A1 (de) 1979-02-01
IT1097182B (it) 1985-08-26
SE7808218L (sv) 1979-01-30
CH624767A5 (en) 1981-08-14
ATA546878A (de) 1984-01-15
AT375777B (de) 1984-09-10
BE869380A (fr) 1978-11-16
IT7825764A0 (it) 1978-07-17

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