FR927617A - Device for the examination of smoke - Google Patents

Device for the examination of smoke

Info

Publication number
FR927617A
FR927617A FR927617DA FR927617A FR 927617 A FR927617 A FR 927617A FR 927617D A FR927617D A FR 927617DA FR 927617 A FR927617 A FR 927617A
Authority
FR
France
Prior art keywords
smoke
examination
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
Other languages
French (fr)
Inventor
Robert Hudson Wager
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 filed Critical
Application granted granted Critical
Publication of FR927617A publication Critical patent/FR927617A/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
    • G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity

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)
FR927617D 1941-01-16 1946-06-03 Device for the examination of smoke Expired FR927617A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US927617XA 1941-01-16 1941-01-16

Publications (1)

Publication Number Publication Date
FR927617A true FR927617A (en) 1947-11-04

Family

ID=22235018

Family Applications (1)

Application Number Title Priority Date Filing Date
FR927617D Expired FR927617A (en) 1941-01-16 1946-06-03 Device for the examination of smoke

Country Status (1)

Country Link
FR (1) FR927617A (en)

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