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FR2447548A1 - Appareil de detection de particules en suspension dans un fluide - Google Patents

Appareil de detection de particules en suspension dans un fluide

Info

Publication number
FR2447548A1
FR2447548A1 FR7902176A FR7902176A FR2447548A1 FR 2447548 A1 FR2447548 A1 FR 2447548A1 FR 7902176 A FR7902176 A FR 7902176A FR 7902176 A FR7902176 A FR 7902176A FR 2447548 A1 FR2447548 A1 FR 2447548A1
Authority
FR
France
Prior art keywords
fluid
photodetector
indication
utilises
diffusion
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.)
Granted
Application number
FR7902176A
Other languages
English (en)
Other versions
FR2447548B1 (fr
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.)
CHAMOURAT PATRICK
Original Assignee
CHAMOURAT PATRICK
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 CHAMOURAT PATRICK filed Critical CHAMOURAT PATRICK
Priority to FR7902176A priority Critical patent/FR2447548A1/fr
Publication of FR2447548A1 publication Critical patent/FR2447548A1/fr
Application granted granted Critical
Publication of FR2447548B1 publication Critical patent/FR2447548B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material 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)

Abstract

CET APPAREIL EST DU TYPE COMPRENANT UNE CAPACITE 2 QUI EST DESTINEE A CONTENIR CE FLUIDE ET QUI EST DISPOSEE ENTRE UNE SOURCE LUMINEUSE 1 ET UN ORGANE PHOTODETECTEUR 4. SUIVANT L'INVENTION, IL EST CARACTERISE EN CE QUE LA SOURCE LUMINEUSE 1 EST CONSTITUEE PAR UN LASER ET EN CE QUE LA CAPACITE 2 FAIT PARTIE D'UN CIRCUIT 3 DE CIRCULATION EN CONTINU DU FLUIDE.
FR7902176A 1979-01-29 1979-01-29 Appareil de detection de particules en suspension dans un fluide Granted FR2447548A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7902176A FR2447548A1 (fr) 1979-01-29 1979-01-29 Appareil de detection de particules en suspension dans un fluide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7902176A FR2447548A1 (fr) 1979-01-29 1979-01-29 Appareil de detection de particules en suspension dans un fluide

Publications (2)

Publication Number Publication Date
FR2447548A1 true FR2447548A1 (fr) 1980-08-22
FR2447548B1 FR2447548B1 (fr) 1982-02-05

Family

ID=9221290

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7902176A Granted FR2447548A1 (fr) 1979-01-29 1979-01-29 Appareil de detection de particules en suspension dans un fluide

Country Status (1)

Country Link
FR (1) FR2447548A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0157310A2 (fr) * 1984-04-04 1985-10-09 BASF Aktiengesellschaft Dispositif optique à laser pour la mesure du degré de dispersion dans des milieux en écoulement
WO1988002855A1 (fr) * 1986-10-14 1988-04-21 North Sea Instruments Limited Appareil d'analyse de particules
FR2611047A1 (fr) * 1987-02-13 1988-08-19 Lambert Electronic Services Fumimetre a flux continu discriminateur de particules

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3306157A (en) * 1959-12-15 1967-02-28 Hach Chemical Co Turbidimeter for sensing the turbidity of a continuously flowing sample
FR1550429A (fr) * 1967-11-03 1968-12-20
DE1804596A1 (de) * 1967-10-24 1969-05-14 United Kingdom Atomie Energy A Verfahren und Vorrichtung zum Ermitteln und Messen von Einschluessen in Stroemungsmitteln
FR2122036A5 (fr) * 1971-01-15 1972-08-25 Cilas
US3786261A (en) * 1971-10-12 1974-01-15 Coulter Electronics Optical scanning device
US3797937A (en) * 1972-03-01 1974-03-19 Environmental Systems Corp System for making particle measurements
US3873204A (en) * 1970-01-14 1975-03-25 Bio Physics Systems Inc Optical extinction photoanalysis apparatus for small particles
US3922656A (en) * 1972-12-06 1975-11-25 Cerberus Ag Sensing presence of fire
FR2272387A1 (fr) * 1974-05-20 1975-12-19 Rech Ind Liants Hy Centre Et
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

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3306157A (en) * 1959-12-15 1967-02-28 Hach Chemical Co Turbidimeter for sensing the turbidity of a continuously flowing sample
DE1804596A1 (de) * 1967-10-24 1969-05-14 United Kingdom Atomie Energy A Verfahren und Vorrichtung zum Ermitteln und Messen von Einschluessen in Stroemungsmitteln
FR1550429A (fr) * 1967-11-03 1968-12-20
US3873204A (en) * 1970-01-14 1975-03-25 Bio Physics Systems Inc Optical extinction photoanalysis apparatus for small particles
FR2122036A5 (fr) * 1971-01-15 1972-08-25 Cilas
US3786261A (en) * 1971-10-12 1974-01-15 Coulter Electronics Optical scanning device
US3797937A (en) * 1972-03-01 1974-03-19 Environmental Systems Corp System for making particle measurements
US3922656A (en) * 1972-12-06 1975-11-25 Cerberus Ag Sensing presence of fire
FR2272387A1 (fr) * 1974-05-20 1975-12-19 Rech Ind Liants Hy Centre Et
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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0157310A2 (fr) * 1984-04-04 1985-10-09 BASF Aktiengesellschaft Dispositif optique à laser pour la mesure du degré de dispersion dans des milieux en écoulement
EP0157310A3 (en) * 1984-04-04 1986-12-30 Basf Aktiengesellschaft Optical arrangement using a laser for the measurement of the dispersion rate in flowing media
WO1988002855A1 (fr) * 1986-10-14 1988-04-21 North Sea Instruments Limited Appareil d'analyse de particules
FR2611047A1 (fr) * 1987-02-13 1988-08-19 Lambert Electronic Services Fumimetre a flux continu discriminateur de particules
WO1988005994A2 (fr) * 1987-02-13 1988-08-25 Lambert Electronics Services Fumimetre a flux continu discriminateur de particules
WO1988005994A3 (fr) * 1987-02-13 1988-10-06 Lambert Electronics Services Fumimetre a flux continu discriminateur de particules

Also Published As

Publication number Publication date
FR2447548B1 (fr) 1982-02-05

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Legal Events

Date Code Title Description
ST Notification of lapse