Classifications

• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
  • G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
  • G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B22—CASTING; POWDER METALLURGY
  • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
  • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
  • B22D11/16—Controlling or regulating processes or operations
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B22—CASTING; POWDER METALLURGY
  • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
  • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
  • B22D11/16—Controlling or regulating processes or operations
  • B22D11/20—Controlling or regulating processes or operations for removing cast stock
  • B22D11/201—Controlling or regulating processes or operations for removing cast stock responsive to molten metal level or slag level
  • B22D11/206—Controlling or regulating processes or operations for removing cast stock responsive to molten metal level or slag level by using X-rays or nuclear radiation
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
  • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
  • G01F23/22—Indicating 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
  • G01F23/28—Indicating 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
  • G01F23/284—Electromagnetic waves
  • G01F23/288—X-rays; Gamma rays or other forms of ionising radiation
  • G01F23/2885—X-rays; Gamma rays or other forms of ionising radiation for discrete levels

Landscapes

• Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Electromagnetism (AREA)
• Mechanical Engineering (AREA)
• General Physics & Mathematics (AREA)
• High Energy & Nuclear Physics (AREA)
• Toxicology (AREA)
• General Health & Medical Sciences (AREA)
• Automation & Control Theory (AREA)
• Health & Medical Sciences (AREA)
• Thermal Sciences (AREA)
• Fluid Mechanics (AREA)
• Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=9806301

Family Applications (1)

Country Status (3)

Families Citing this family (4)

• 0
  • BE BE500793D patent/BE500793A/xx unknown
• 1949
  • 1949-03-04 GB GB598549A patent/GB681353A/en not_active Expired
• 1951
  • 1951-01-18 FR FR1031134D patent/FR1031134A/en not_active Expired

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