IT1069118B - Trasduttore ultrasonico ad alta sensibilita - Google Patents

Trasduttore ultrasonico ad alta sensibilita

Info

Publication number
IT1069118B
IT1069118B IT6936676A IT6936676A IT1069118B IT 1069118 B IT1069118 B IT 1069118B IT 6936676 A IT6936676 A IT 6936676A IT 6936676 A IT6936676 A IT 6936676A IT 1069118 B IT1069118 B IT 1069118B
Authority
IT
Italy
Prior art keywords
ultrasonic transducer
high sensitivity
sensitivity ultrasonic
transducer
ultrasonic
Prior art date
Application number
IT6936676A
Other languages
English (en)
Original Assignee
Fiat Spa
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
Priority claimed from US05/636,054 external-priority patent/US4011473A/en
Application filed by Fiat Spa filed Critical Fiat Spa
Application granted granted Critical
Publication of IT1069118B publication Critical patent/IT1069118B/it

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66Measuring 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
    • G01F1/662Constructional details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06BMETHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0644Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
    • B06B1/0662Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface
    • B06B1/0681Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface and a damping structure

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
IT6936676A 1975-11-28 1976-10-01 Trasduttore ultrasonico ad alta sensibilita IT1069118B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/636,054 US4011473A (en) 1974-08-26 1975-11-28 Ultrasonic transducer with improved transient response and method for utilizing transducer to increase accuracy of measurement of an ultrasonic flow meter

Publications (1)

Publication Number Publication Date
IT1069118B true IT1069118B (it) 1985-03-25

Family

ID=24550217

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6936676A IT1069118B (it) 1975-11-28 1976-10-01 Trasduttore ultrasonico ad alta sensibilita

Country Status (2)

Country Link
FR (1) FR2333401A2 (it)
IT (1) IT1069118B (it)

Also Published As

Publication number Publication date
FR2333401A2 (fr) 1977-06-24
FR2333401B2 (it) 1982-03-19

Similar Documents

Publication Publication Date Title
IT1072762B (it) Trasduttore ultrasonico
FR2306592A1 (fr) Transducteur ultrasonore
IT1055804B (it) Trasduttore di misura di posizione ad accoppiamento elettrostatico
MX148756A (es) Transductor ultrasonico mejorado
IT1088489B (it) Trasduttore sonico elettrostatico
IT1055287B (it) Transduttori
PL200966A1 (pl) Przetwornik elektro-akustyczny
ES492684A0 (es) Un dispositivo transductor acustico
DK153608C (da) Piezo-elektrisk transducer
BR7608432A (pt) Transdutor eletro acustico
IT1083652B (it) Apparecchio di misura ad ultrasuoni
NL7602853A (nl) Transducer.
FR2462837B1 (fr) Transducteur ultrasonore
FR2332525A1 (fr) Transducteur
FR2293844A1 (fr) Transducteur acoustique
DK581977A (da) Magnetisk transducer
ATA467577A (de) Kraftaufnehmer
FR2278217A1 (fr) Transducteur acoustique
IT1057208B (it) Trasduttore elettroacustico
FR2311300A1 (fr) Transducteur d'emission acoustique
FR2289089A1 (fr) Transducteur electrostatique
IT1064276B (it) Flussometro ultrasonico
BE863315A (fr) Transducteur
IT1065540B (it) Tromba elettroacustica di segnalazione
FR2308268A1 (fr) Capteur phonographique