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)
• General Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Electromagnetism (AREA)
• Aviation & Aerospace Engineering (AREA)
• Multimedia (AREA)
• Acoustics & Sound (AREA)
• Fluid Mechanics (AREA)
• Measuring Volume Flow (AREA)
• Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
• Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
• Percussion Or Vibration Massage (AREA)
• Reverberation, Karaoke And Other Acoustics (AREA)
• Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=5950777

Family Applications (1)

Country Status (9)

Families Citing this family (6)

Family Cites Families (3)

• 1976
  • 1976-06-17 NO NO762106A patent/NO142687C/no unknown
  • 1976-07-01 SE SE7607502A patent/SE407859B/xx unknown
  • 1976-07-02 NL NLAANVRAGE7607346,A patent/NL185102C/xx not_active IP Right Cessation
  • 1976-07-02 CH CH847676A patent/CH612764A5/xx not_active IP Right Cessation
  • 1976-07-02 FR FR7620405A patent/FR2317657A1/fr active Granted
  • 1976-07-05 GB GB27939/76A patent/GB1551742A/en not_active Expired
  • 1976-07-05 JP JP51079785A patent/JPS5836728B2/ja not_active Expired
  • 1976-07-05 DK DK302676A patent/DK302676A/da not_active Application Discontinuation
  • 1976-07-05 IT IT68671/76A patent/IT1071228B/it active

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