CA1057388A - Mode et appareil de mesure ultrasonique du debit d'un fluide - Google Patents

Mode et appareil de mesure ultrasonique du debit d'un fluide

Info

Publication number
CA1057388A
CA1057388A CA257,785A CA257785A CA1057388A CA 1057388 A CA1057388 A CA 1057388A CA 257785 A CA257785 A CA 257785A CA 1057388 A CA1057388 A CA 1057388A
Authority
CA
Canada
Prior art keywords
signals
early
signal
late
signal level
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.)
Expired
Application number
CA257,785A
Other languages
English (en)
Inventor
Niels Thun
Alvin E. Brown
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.)
Danfoss AS
Original Assignee
Danfoss AS
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 Danfoss AS filed Critical Danfoss AS
Priority to CA257,785A priority Critical patent/CA1057388A/fr
Application granted granted Critical
Publication of CA1057388A publication Critical patent/CA1057388A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
CA257,785A 1976-07-26 1976-07-26 Mode et appareil de mesure ultrasonique du debit d'un fluide Expired CA1057388A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA257,785A CA1057388A (fr) 1976-07-26 1976-07-26 Mode et appareil de mesure ultrasonique du debit d'un fluide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA257,785A CA1057388A (fr) 1976-07-26 1976-07-26 Mode et appareil de mesure ultrasonique du debit d'un fluide

Publications (1)

Publication Number Publication Date
CA1057388A true CA1057388A (fr) 1979-06-26

Family

ID=4106509

Family Applications (1)

Application Number Title Priority Date Filing Date
CA257,785A Expired CA1057388A (fr) 1976-07-26 1976-07-26 Mode et appareil de mesure ultrasonique du debit d'un fluide

Country Status (1)

Country Link
CA (1) CA1057388A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113188746A (zh) * 2021-03-12 2021-07-30 同济大学 一种非接触式区域流体涡量测量方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113188746A (zh) * 2021-03-12 2021-07-30 同济大学 一种非接触式区域流体涡量测量方法
CN113188746B (zh) * 2021-03-12 2023-03-14 同济大学 一种非接触式区域流体涡量测量方法

Similar Documents

Publication Publication Date Title
US3981191A (en) Method and apparatus for the ultrasonic measurement of the flow velocity of fluent media
US4384491A (en) Analog ultrasonic flowmeter
US4022058A (en) Apparatus for determining the arrival time of alternating signals
US4019038A (en) Correlators
US4114439A (en) Apparatus for ultrasonically measuring physical parameters of flowing media
US4097801A (en) Cross-correlator circuit
US4265125A (en) Flowmeter method and apparatus
US3404261A (en) Correlation apparatus for computing time averages of functions
US4509373A (en) Calibration circuit for ultrasonic flowmeter
US3610908A (en) Electronic integrator system
CA1057388A (fr) Mode et appareil de mesure ultrasonique du debit d'un fluide
US2988695A (en) Electrical measuring circuit
US3735402A (en) Portable radar system
US4542656A (en) Fluid flow monitoring
EP0028027B1 (fr) Dispositif de mesure de la vitesse d'écoulement de fluides
US3805153A (en) Phase measurement circuit
US4203322A (en) Apparatus for the ultrasonic measurement of the flow velocity of fluent media
US3796960A (en) Electronic signal multiplier
US2427366A (en) Phase control apparatus
GB776526A (en) Acoustic flowmeter
GB2131173A (en) Fluid flow monitoring
US2632160A (en) Radar range system
SU1133544A1 (ru) Устройство дл ультразвукового контрол качества материалов
CA1056491A (fr) Appareil servant a determiner le temps d'arrivee de signaux alternatifs
SU1499259A1 (ru) Устройство дл измерени средней скорости изменени частоты и линейности модул ционных характеристик частотно-модулированных генераторов