JPS5734418A - Ultrasonic wave measuring device - Google Patents

Ultrasonic wave measuring device

Info

Publication number
JPS5734418A
JPS5734418A JP10917880A JP10917880A JPS5734418A JP S5734418 A JPS5734418 A JP S5734418A JP 10917880 A JP10917880 A JP 10917880A JP 10917880 A JP10917880 A JP 10917880A JP S5734418 A JPS5734418 A JP S5734418A
Authority
JP
Japan
Prior art keywords
gas
ultrasonic wave
difference
transducers
output
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP10917880A
Other languages
Japanese (ja)
Inventor
Koji Toda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TDK Corp
Original Assignee
TDK Corp
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
Application filed by TDK Corp filed Critical TDK Corp
Priority to JP10917880A priority Critical patent/JPS5734418A/en
Publication of JPS5734418A publication Critical patent/JPS5734418A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/024—Analysing fluids by measuring propagation velocity or propagation time of acoustic waves

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

PURPOSE:To detect the characteristics of a gas to be measured, by measuring the difference between the propagation velocities of ultrasonic waves in the reference gas and the gas to be measured. CONSTITUTION:When different gases are filled in vessels 1a, 1b respectively, and an electric signal is applied to an input terminal 5, said signal is converted to an ultrasonic wave signal via transducers 2a, 3a for an input, thereby an ultrasonic wave to be radiated in gas. Said ultrasonic wave propagates in gas within respective vessels 1a, 1b and is received with transducers 2b, 3b for an output, and after being converted to an electric signal, supplied to output terminals 6a, 6b. Between the outputs taken out from the two transducers 2, 3 for input and output, a phase difference corresponding to the difference of propagation velocity of the ultrasonic wave in gas is produced. Said device functions effectively even in a case of measurement for a difference of the ultrasonic wave produced by conditions such as a temperature difference or a concentration difference or gas pressure in a case of the same kind of gas.
JP10917880A 1980-08-11 1980-08-11 Ultrasonic wave measuring device Pending JPS5734418A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10917880A JPS5734418A (en) 1980-08-11 1980-08-11 Ultrasonic wave measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10917880A JPS5734418A (en) 1980-08-11 1980-08-11 Ultrasonic wave measuring device

Publications (1)

Publication Number Publication Date
JPS5734418A true JPS5734418A (en) 1982-02-24

Family

ID=14503626

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10917880A Pending JPS5734418A (en) 1980-08-11 1980-08-11 Ultrasonic wave measuring device

Country Status (1)

Country Link
JP (1) JPS5734418A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002214012A (en) * 2001-01-22 2002-07-31 Teijin Ltd Ultrasonic gas concentration and flow rate measuring method and apparatus thereof
WO2019076646A1 (en) * 2017-10-20 2019-04-25 Robert Bosch Gmbh Measuring device for determining the quality of a liquid reducing agent

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4927284A (en) * 1972-03-20 1974-03-11

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4927284A (en) * 1972-03-20 1974-03-11

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002214012A (en) * 2001-01-22 2002-07-31 Teijin Ltd Ultrasonic gas concentration and flow rate measuring method and apparatus thereof
WO2019076646A1 (en) * 2017-10-20 2019-04-25 Robert Bosch Gmbh Measuring device for determining the quality of a liquid reducing agent

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