BE640102A - - Google Patents

Info

Publication number
BE640102A
BE640102A BE640102A BE640102A BE640102A BE 640102 A BE640102 A BE 640102A BE 640102 A BE640102 A BE 640102A BE 640102 A BE640102 A BE 640102A BE 640102 A BE640102 A BE 640102A
Authority
BE
Belgium
Prior art keywords
converter
receiver
hand
transmitter
wall
Prior art date
Application number
BE640102A
Other languages
English (en)
French (fr)
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
Priority to NL300967D priority Critical patent/NL300967A/xx
Application filed filed Critical
Priority to BE640102A priority patent/BE640102A/fr
Publication of BE640102A publication Critical patent/BE640102A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/30Regulating or controlling the blowing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284Electromagnetic waves
    • G01F23/288X-rays; Gamma rays or other forms of ionising radiation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296Acoustic waves
    • G01F23/2965Measuring attenuation of transmitted waves

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
BE640102A 1963-11-18 1963-11-18 BE640102A (OSRAM)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL300967D NL300967A (OSRAM) 1963-11-18
BE640102A BE640102A (OSRAM) 1963-11-18 1963-11-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE640102A BE640102A (OSRAM) 1963-11-18 1963-11-18

Publications (1)

Publication Number Publication Date
BE640102A true BE640102A (OSRAM) 1964-03-16

Family

ID=3845563

Family Applications (1)

Application Number Title Priority Date Filing Date
BE640102A BE640102A (OSRAM) 1963-11-18 1963-11-18

Country Status (2)

Country Link
BE (1) BE640102A (OSRAM)
NL (1) NL300967A (OSRAM)

Also Published As

Publication number Publication date
NL300967A (OSRAM)

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