FR2611047B1 - Fumimetre a flux continu discriminateur de particules - Google Patents

Fumimetre a flux continu discriminateur de particules

Info

Publication number
FR2611047B1
FR2611047B1 FR8701841A FR8701841A FR2611047B1 FR 2611047 B1 FR2611047 B1 FR 2611047B1 FR 8701841 A FR8701841 A FR 8701841A FR 8701841 A FR8701841 A FR 8701841A FR 2611047 B1 FR2611047 B1 FR 2611047B1
Authority
FR
France
Prior art keywords
fumimeter
continuous flow
particle discriminator
discriminator
particle
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR8701841A
Other languages
English (en)
Other versions
FR2611047A1 (fr
Inventor
Truc Ngo Trong
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LAMBERT ELECTRONIC SERVICES
Original Assignee
LAMBERT ELECTRONIC SERVICES
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 LAMBERT ELECTRONIC SERVICES filed Critical LAMBERT ELECTRONIC SERVICES
Priority to FR8701841A priority Critical patent/FR2611047B1/fr
Priority to PCT/FR1988/000079 priority patent/WO1988005994A2/fr
Priority to AU13431/88A priority patent/AU1343188A/en
Publication of FR2611047A1 publication Critical patent/FR2611047A1/fr
Application granted granted Critical
Publication of FR2611047B1 publication Critical patent/FR2611047B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0205—Investigating particle size or size distribution by optical means
    • 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
    • G01N2021/4704—Angular selective
    • G01N2021/4707—Forward scatter; Low angle scatter
    • 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
    • G01N2021/4704—Angular selective
    • G01N2021/4709—Backscatter
    • 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
    • G01N21/532—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke with measurement of scattering and transmission

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR8701841A 1987-02-13 1987-02-13 Fumimetre a flux continu discriminateur de particules Expired FR2611047B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR8701841A FR2611047B1 (fr) 1987-02-13 1987-02-13 Fumimetre a flux continu discriminateur de particules
PCT/FR1988/000079 WO1988005994A2 (fr) 1987-02-13 1988-02-12 Fumimetre a flux continu discriminateur de particules
AU13431/88A AU1343188A (en) 1987-02-13 1988-02-12 Continuous-flow smoke meter capable of particle discrimination

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8701841A FR2611047B1 (fr) 1987-02-13 1987-02-13 Fumimetre a flux continu discriminateur de particules

Publications (2)

Publication Number Publication Date
FR2611047A1 FR2611047A1 (fr) 1988-08-19
FR2611047B1 true FR2611047B1 (fr) 1989-06-30

Family

ID=9347899

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8701841A Expired FR2611047B1 (fr) 1987-02-13 1987-02-13 Fumimetre a flux continu discriminateur de particules

Country Status (3)

Country Link
AU (1) AU1343188A (fr)
FR (1) FR2611047B1 (fr)
WO (1) WO1988005994A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2259763B (en) * 1991-09-20 1995-05-31 Hochiki Co Fire alarm system
CA2082027A1 (fr) * 1991-11-07 1993-05-08 Thomas L. Carl Appareil et methodes servant a mesurer la dimension et la densite des particules dans une cheminee

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3786261A (en) * 1971-10-12 1974-01-15 Coulter Electronics Optical scanning device
CH595113A5 (fr) * 1976-03-18 1978-01-31 Cerberus Ag
CH591257A5 (en) * 1976-04-13 1977-09-15 Cerberus Ag Radiation scatter smoke detector - has scatter detector receivers coaxial to radiation bundle to scan different directions using photocells or sensors
US4264206A (en) * 1976-09-23 1981-04-28 The Kimmon Electric Co., Ltd. Dust particle analyzer
US4251733A (en) * 1978-06-29 1981-02-17 Hirleman Jr Edwin D Technique for simultaneous particle size and velocity measurement
FR2447548A1 (fr) * 1979-01-29 1980-08-22 Chamourat Patrick Appareil de detection de particules en suspension dans un fluide
US4507556A (en) * 1982-12-08 1985-03-26 St. Regis Paper Company Apparatus and method for determining pulp stock consistency

Also Published As

Publication number Publication date
WO1988005994A3 (fr) 1988-10-06
FR2611047A1 (fr) 1988-08-19
AU1343188A (en) 1988-09-14
WO1988005994A2 (fr) 1988-08-25

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Legal Events

Date Code Title Description
ST Notification of lapse