Classifications

• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
  • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
  • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
  • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
  • G01V3/101—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B22—CASTING; POWDER METALLURGY
  • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
  • B22D39/00—Equipment for supplying molten metal in rations
  • B22D39/003—Equipment for supplying molten metal in rations using electromagnetic field
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
  • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
  • G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
  • G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
  • G01F1/582—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters without electrodes
• • 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
  • G01F23/26—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
  • G01F23/261—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields for discrete levels

Landscapes

• Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Electromagnetism (AREA)
• General Physics & Mathematics (AREA)
• Remote Sensing (AREA)
• Life Sciences & Earth Sciences (AREA)
• Fluid Mechanics (AREA)
• Environmental & Geological Engineering (AREA)
• Mechanical Engineering (AREA)
• Thermal Sciences (AREA)
• Power Engineering (AREA)
• Geology (AREA)
• General Life Sciences & Earth Sciences (AREA)
• Geophysics (AREA)
• Continuous Casting (AREA)
• Investigating Or Analysing Materials By Optical Means (AREA)
• Geophysics And Detection Of Objects (AREA)
• Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
• Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
• Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
• Investigating And Analyzing Materials By Characteristic Methods (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=9174670

Family Applications (1)

Country Status (8)

Families Citing this family (5)

• 1976
  • 1976-06-21 FR FR7618833A patent/FR2356125A1/en not_active Withdrawn
• 1977
  • 1977-06-09 AU AU25996/77A patent/AU2599677A/en not_active Expired
  • 1977-06-13 GB GB24592/77A patent/GB1545326A/en not_active Expired
  • 1977-06-15 IT IT24703/77A patent/IT1083830B/en active
  • 1977-06-20 SE SE7707123A patent/SE7707123L/en unknown
  • 1977-06-20 NO NO772157A patent/NO772157L/en unknown
  • 1977-06-20 DE DE19772727630 patent/DE2727630A1/en not_active Withdrawn
  • 1977-06-21 JP JP7293277A patent/JPS53192A/en active Pending

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