DK358085D0 - Fremgangsmaade til maaling af et fluidums stroemningshastighed v efter princippet med fase-efterregulering og differensfrekvensudnyttelse - Google Patents

Fremgangsmaade til maaling af et fluidums stroemningshastighed v efter princippet med fase-efterregulering og differensfrekvensudnyttelse

Info

Publication number
DK358085D0
DK358085D0 DK358085A DK358085A DK358085D0 DK 358085 D0 DK358085 D0 DK 358085D0 DK 358085 A DK358085 A DK 358085A DK 358085 A DK358085 A DK 358085A DK 358085 D0 DK358085 D0 DK 358085D0
Authority
DK
Denmark
Prior art keywords
difference frequency
regulation
measuring
procedure
principle
Prior art date
Application number
DK358085A
Other languages
English (en)
Other versions
DK168248B1 (da
DK358085A (da
Inventor
Alexander Von Jena
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of DK358085D0 publication Critical patent/DK358085D0/da
Publication of DK358085A publication Critical patent/DK358085A/da
Application granted granted Critical
Publication of DK168248B1 publication Critical patent/DK168248B1/da

Links

Classifications

    • 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
    • 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
    • G01P5/247—Sing-around-systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Measuring Volume Flow (AREA)
DK358085A 1984-08-07 1985-08-06 Fremgangsmåde til måling af et fluidums strømningshastighed efter princippet med fase-efterreguler ing og differensfrekvensudnyttelse DK168248B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843429099 DE3429099A1 (de) 1984-08-07 1984-08-07 Verfahren zur messung der stroemungsgeschwindigkeit v eines fluids nach dem prinzip der phasen-nachregelung und differenzfrequenz-auswertung
DE3429099 1984-08-07

Publications (3)

Publication Number Publication Date
DK358085D0 true DK358085D0 (da) 1985-08-06
DK358085A DK358085A (da) 1986-02-08
DK168248B1 DK168248B1 (da) 1994-02-28

Family

ID=6242546

Family Applications (1)

Application Number Title Priority Date Filing Date
DK358085A DK168248B1 (da) 1984-08-07 1985-08-06 Fremgangsmåde til måling af et fluidums strømningshastighed efter princippet med fase-efterreguler ing og differensfrekvensudnyttelse

Country Status (4)

Country Link
EP (1) EP0171067B1 (da)
AT (1) ATE59905T1 (da)
DE (2) DE3429099A1 (da)
DK (1) DK168248B1 (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59100037D1 (de) * 1991-07-04 1993-03-25 Siemens Ag Verfahren zur messung der stroemungsgeschwingigkeit eines fluids mit ultraschall.
DE4400448C1 (de) * 1994-01-10 1995-07-13 Siemens Ag Ansteuer- und Auswerteanordnung für zwei als Sender und Empfänger betreibbare Ultraschallwandler
DK200101581A (da) 2001-10-26 2003-04-27 Danfoss As Transceiverkredsløb til ultralydsflowmåler

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3751979A (en) * 1971-11-17 1973-08-14 Raytheon Co Speed measurement system
USRE28929E (en) * 1972-07-03 1976-08-17 E. I. Du Pont De Nemours & Company Ultrasonic fluid speed of sound and flow meter apparatus and method
DE3020282C2 (de) * 1980-05-28 1985-08-08 Siemens AG, 1000 Berlin und 8000 München Durchfluß-Strömungsmesser mit Ultraschall
DE3029140C2 (de) * 1980-07-31 1982-05-19 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Eichvorrichtung für akustische Strömungsgeschwindigkeitsmeßgeräte
DE3334819A1 (de) * 1983-09-26 1985-04-04 Siemens AG, 1000 Berlin und 8000 München Verfahren zur messung von stroemungsgeschwindigkeiten mit ultraschall

Also Published As

Publication number Publication date
DK168248B1 (da) 1994-02-28
ATE59905T1 (de) 1991-01-15
EP0171067A3 (en) 1989-03-29
EP0171067A2 (de) 1986-02-12
EP0171067B1 (de) 1991-01-09
DK358085A (da) 1986-02-08
DE3581241D1 (de) 1991-02-14
DE3429099A1 (de) 1986-02-20

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed