FR2271577A1 - Gas velocity measuring appts. for cement kiln - using optical interference method with excess pressure gas box to keep detectors cool and clean - Google Patents

Gas velocity measuring appts. for cement kiln - using optical interference method with excess pressure gas box to keep detectors cool and clean

Info

Publication number
FR2271577A1
FR2271577A1 FR7416992A FR7416992A FR2271577A1 FR 2271577 A1 FR2271577 A1 FR 2271577A1 FR 7416992 A FR7416992 A FR 7416992A FR 7416992 A FR7416992 A FR 7416992A FR 2271577 A1 FR2271577 A1 FR 2271577A1
Authority
FR
France
Prior art keywords
box
appts
cement kiln
gas
excess pressure
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
FR7416992A
Other languages
English (en)
French (fr)
Other versions
FR2271577B1 (OSRAM
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.)
ETU RECH IND LIANTS HYD CENTRE
Original Assignee
ETU RECH IND LIANTS HYD CENTRE
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 ETU RECH IND LIANTS HYD CENTRE filed Critical ETU RECH IND LIANTS HYD CENTRE
Priority to FR7416992A priority Critical patent/FR2271577A1/fr
Publication of FR2271577A1 publication Critical patent/FR2271577A1/fr
Application granted granted Critical
Publication of FR2271577B1 publication Critical patent/FR2271577B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/02—Housings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/26—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting optical wave

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR7416992A 1974-05-16 1974-05-16 Gas velocity measuring appts. for cement kiln - using optical interference method with excess pressure gas box to keep detectors cool and clean Granted FR2271577A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7416992A FR2271577A1 (en) 1974-05-16 1974-05-16 Gas velocity measuring appts. for cement kiln - using optical interference method with excess pressure gas box to keep detectors cool and clean

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7416992A FR2271577A1 (en) 1974-05-16 1974-05-16 Gas velocity measuring appts. for cement kiln - using optical interference method with excess pressure gas box to keep detectors cool and clean

Publications (2)

Publication Number Publication Date
FR2271577A1 true FR2271577A1 (en) 1975-12-12
FR2271577B1 FR2271577B1 (OSRAM) 1976-12-24

Family

ID=9138932

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7416992A Granted FR2271577A1 (en) 1974-05-16 1974-05-16 Gas velocity measuring appts. for cement kiln - using optical interference method with excess pressure gas box to keep detectors cool and clean

Country Status (1)

Country Link
FR (1) FR2271577A1 (OSRAM)

Also Published As

Publication number Publication date
FR2271577B1 (OSRAM) 1976-12-24

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Legal Events

Date Code Title Description
ST Notification of lapse