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CA935661A - Dispositif pour detecter l'opacite des gaz - Google Patents

Dispositif pour detecter l'opacite des gaz

Info

Publication number
CA935661A
CA935661A CA077318A CA77318A CA935661A CA 935661 A CA935661 A CA 935661A CA 077318 A CA077318 A CA 077318A CA 77318 A CA77318 A CA 77318A CA 935661 A CA935661 A CA 935661A
Authority
CA
Canada
Prior art keywords
opacite
des gaz
dispositif pour
detecter
pour detecter
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
CA077318A
Inventor
Guigues Frederic
Pillard Marcel
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA935661A publication Critical patent/CA935661A/en
Expired 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)
CA077318A 1969-03-13 1970-03-12 Dispositif pour detecter l'opacite des gaz Expired CA935661A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6907420A FR2036476A5 (en) 1969-03-13 1969-03-13

Publications (1)

Publication Number Publication Date
CA935661A true CA935661A (en) 1973-10-23

Family

ID=9030687

Family Applications (1)

Application Number Title Priority Date Filing Date
CA077318A Expired CA935661A (en) 1969-03-13 1970-03-12 Dispositif pour detecter l'opacite des gaz

Country Status (4)

Country Link
CA (1) CA935661A (en)
DE (1) DE2011733A1 (en)
FR (1) FR2036476A5 (en)
GB (1) GB1276977A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3233368A1 (en) * 1982-09-08 1984-03-08 Heimann Gmbh, 6200 Wiesbaden RADIATION SMOKE DETECTORS
GB8906554D0 (en) * 1989-03-22 1989-05-04 Harley Phillip E Optical system for detector device
AT1157U1 (en) * 1995-12-15 1996-11-25 Avl Verbrennungskraft Messtech METHOD FOR THE OPTICAL MEASUREMENT OF GAS BUBBLES IN A COOLANT
FR2796461B1 (en) * 1999-07-12 2001-10-26 Pillard Chauffage METHOD AND DEVICE FOR OPTICAL DETECTION AND MEASUREMENT OF THE QUANTITY OF OPAQUE PARTICLES PRESENT IN A GAS

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR951331A (en) * 1940-03-19 1949-10-21 C O Two Fire Equipment Co Improvements to smoke detectors and alarms
US2892378A (en) * 1955-04-26 1959-06-30 Gen Electric Indicating turbidimeter
GB984571A (en) * 1961-01-23 1965-02-24 Graviner Manufacturing Co Improvements in or relating to detectors of smoke and other fluid suspensions
GB1179409A (en) * 1966-11-28 1970-01-28 Kidde Walter Co Ltd Improvements in or relating to Smoke Detectors

Also Published As

Publication number Publication date
FR2036476A5 (en) 1970-12-24
DE2011733A1 (en) 1970-10-15
GB1276977A (en) 1972-06-07

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