Classifications

• • 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
  • G01P5/24—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 acoustical wave
  • G01P5/245—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 acoustical wave by measuring transit time of acoustical waves
• • 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
  • G01F1/66—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
  • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters

Landscapes

• Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• General Physics & Mathematics (AREA)
• Acoustics & Sound (AREA)
• Multimedia (AREA)
• Aviation & Aerospace Engineering (AREA)
• Electromagnetism (AREA)
• Fluid Mechanics (AREA)
• Measuring Volume Flow (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=22866917

Family Applications (1)

Country Status (6)

Families Citing this family (2)

• 1973
  • 1973-01-29 ZA ZA730612A patent/ZA73612B/en unknown
  • 1973-02-07 CA CA163,051A patent/CA1003945A/en not_active Expired
  • 1973-02-19 GB GB805273A patent/GB1370588A/en not_active Expired
  • 1973-02-27 DE DE19732309606 patent/DE2309606A1/en active Pending
  • 1973-03-01 JP JP48023772A patent/JPS4896157A/ja active Pending
  • 1973-03-01 CH CH301273A patent/CH565370A5/xx not_active IP Right Cessation

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